piperidines and Sleep-Initiation-and-Maintenance-Disorders

Insomnia and hypersomnia are conditions with multifactorial causes that can be difficult to treat. There have been recent developments and changes in the treatment of both conditions, including the addition of some agents that have a novel mechanism of action. This review summarizes recent changes and highlights pertinent updates.. Benzodiazepine receptor agonists received a warning in 2019 regarding the possibility of complex sleep behaviors, such as sleepwalking. Zolpidem has been marketed in new dosage forms that include sublingual tablets and oral spray formulations. Orexin receptor antagonists appear to be well tolerated with a good safety profile. Suvorexant received an approval for the treatment of patients with comorbid insomnia and dementia. Lemborexant was demonstrated to be effective for maintenance insomnia. Trazodone was shown to affect the oligomerization of tau proteins thus suggesting potential implications in attenuating dementia pathology. Pitolisant, a novel histamine-3 receptor antagonist/inverse agonist, gained approval for the treatment of excessive daytime sleepiness in adults with narcolepsy as well as obstructive sleep apnea. Solriamfetol, a new norepinephrine and dopamine reuptake inhibitor, was approved for hypersomnolence based on good efficacy, but with cardiovascular warnings.. Recent advancements in the treatment of insomnia includes agents with novel mechanisms, new indications, and new dosage forms. Risk of complex sleep behaviors, and possible next-day driving impairment, should be discussed for all agents used for insomnia, including orexin receptor antagonists. Novel agents also are available for hypersomnia and there are options beyond traditional stimulants that may have great utility.

Topics: Azepines; Carbamates; Dementia; Disorders of Excessive Somnolence; GABA-A Receptor Agonists; Humans; Orexin Receptor Antagonists; Phenylalanine; Piperidines; Pyridines; Pyrimidines; Sleep Aids, Pharmaceutical; Sleep Apnea, Obstructive; Sleep Initiation and Maintenance Disorders; Trazodone; Triazoles; Zolpidem

Middle East Respiratory Syndrome (MERS) is a novel respiratory illness firstly reported in Saudi Arabia in 2012. It is caused by a new corona virus, called MERS corona virus (MERS-CoV). Most people who have MERS-CoV infection developed severe acute respiratory illness.. This work is done to determine the clinical characteristics and the outcome of intensive care unit (ICU) admitted patients with confirmed MERS-CoV infection.. This study included 32 laboratory confirmed MERS corona virus infected patients who were admitted into ICU. It included 20 (62.50%) males and 12 (37.50%) females. The mean age was 43.99 ± 13.03 years. Diagnosis was done by real-time reverse transcription polymerase chain reaction (rRT-PCR) test for corona virus on throat swab, sputum, tracheal aspirate, or bronchoalveolar lavage specimens. Clinical characteristics, co-morbidities and outcome were reported for all subjects.. Most MERS corona patients present with fever, cough, dyspnea, sore throat, runny nose and sputum. The presence of abdominal symptoms may indicate bad prognosis. Prolonged duration of symptoms before patients' hospitalization, prolonged duration of mechanical ventilation and hospital stay, bilateral radiological pulmonary infiltrates, and hypoxemic respiratory failure were found to be strong predictors of mortality in such patients. Also, old age, current smoking, smoking severity, presence of associated co-morbidities like obesity, diabetes mellitus, chronic heart diseases, COPD, malignancy, renal failure, renal transplantation and liver cirrhosis are associated with a poor outcome of ICU admitted MERS corona virus infected patients.. Plasma HO-1, ferritin, p21, and NQO1 were all elevated at baseline in CKD participants. Plasma HO-1 and urine NQO1 levels each inversely correlated with eGFR (. SnPP can be safely administered and, after its injection, the resulting changes in plasma HO-1, NQO1, ferritin, and p21 concentrations can provide information as to antioxidant gene responsiveness/reserves in subjects with and without kidney disease.. A Study with RBT-1, in Healthy Volunteers and Subjects with Stage 3-4 Chronic Kidney Disease, NCT0363002 and NCT03893799.. HFNC did not significantly modify work of breathing in healthy subjects. However, a significant reduction in the minute volume was achieved, capillary [Formula: see text] remaining constant, which suggests a reduction in dead-space ventilation with flows > 20 L/min. (ClinicalTrials.gov registration NCT02495675).. 3 组患者手术时间、术中显性失血量及术后 1 周血红蛋白下降量比较差异均无统计学意义（. 对于肥胖和超重的膝关节单间室骨关节炎患者，采用 UKA 术后可获满意短中期疗效，远期疗效尚需进一步随访观察。.. Decreased muscle strength was identified at both time points in patients with hEDS/HSD. The evolution of most muscle strength parameters over time did not significantly differ between groups. Future studies should focus on the effectiveness of different types of muscle training strategies in hEDS/HSD patients.. These findings support previous adverse findings of e-cigarette exposure on neurodevelopment in a mouse model and provide substantial evidence of persistent adverse behavioral and neuroimmunological consequences to adult offspring following maternal e-cigarette exposure during pregnancy. https://doi.org/10.1289/EHP6067.. This RCT directly compares a neoadjuvant chemotherapy regimen with a standard CROSS regimen in terms of overall survival for patients with locally advanced ESCC. The results of this RCT will provide an answer for the controversy regarding the survival benefits between the two treatment strategies.. NCT04138212, date of registration: October 24, 2019.. Results of current investigation indicated that milk type and post fermentation cooling patterns had a pronounced effect on antioxidant characteristics, fatty acid profile, lipid oxidation and textural characteristics of yoghurt. Buffalo milk based yoghurt had more fat, protein, higher antioxidant capacity and vitamin content. Antioxidant and sensory characteristics of T. If milk is exposed to excessive amounts of light, Vitamins B. The two concentration of ZnO nanoparticles in the ambient air produced two different outcomes. The lower concentration resulted in significant increases in Zn content of the liver while the higher concentration significantly increased Zn in the lungs (p < 0.05). Additionally, at the lower concentration, Zn content was found to be lower in brain tissue (p < 0.05). Using TEM/EDX we detected ZnO nanoparticles inside the cells in the lungs, kidney and liver. Inhaling ZnO NP at the higher concentration increased the levels of mRNA of the following genes in the lungs: Mt2 (2.56 fold), Slc30a1 (1.52 fold) and Slc30a5 (2.34 fold). At the lower ZnO nanoparticle concentration, only Slc30a7 mRNA levels in the lungs were up (1.74 fold). Thus the two air concentrations of ZnO nanoparticles produced distinct effects on the expression of the Zn-homeostasis related genes.. Until adverse health effects of ZnO nanoparticles deposited in organs such as lungs are further investigated and/or ruled out, the exposure to ZnO nanoparticles in aerosols should be avoided or minimised.

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YAP-Signaling Proteins; Yogurt; Young Adult; Zebrafish; Zebrafish Proteins; Ziziphus

Insomnia is a serious medical and social problem, its prevalence in the general population ranges from 9 to 35% depending on the country and assessment method. Often, patients are subject to inappropriate and therefore dangerous pharmacotherapies that include prolonged administration of hypnotic drugs, benzodiazepines and other GABAA receptor modulators. This usually does not lead to a satisfactory improvement in patients' clinical states and may cause lifelong drug dependence. Brain state transitions require the coordinated activity of numerous neuronal pathways and brain structures. It is thought that orexin-expressing neurons play a crucial role in this process. Due to their interaction with the sleep-wake-regulating neuronal population, they can activate vigilance-promoting regions and prevent unwanted sleep intrusions. Understanding the multiple orexin modulatory effects is crucial in the context of pathogenesis of insomnia and should lead to the development of novel treatments. An important step in this process was the synthesis of dual antagonists of orexin receptors. Crucially, these drugs, as opposed to benzodiazepines, do not change the sleep architecture and have limited side-effects. This new pharmacological approach might be the most appropriate to treat insomnia.

Topics: Acetamides; Animals; Azepines; Benzofurans; Humans; Isoquinolines; Models, Biological; Orexin Receptor Antagonists; Orexin Receptors; Piperidines; Pyrimidines; Sleep; Sleep Initiation and Maintenance Disorders; Thiazoles; Triazoles; Wakefulness

The difference in location between the receptor occupancy curve of an agonist and its functional response has been described as receptor reserve. This "reserve" for a specific receptor has been found to differ from tissue to tissue and between agonists acting on the same tissue. Recently, two structurally different neurokinin 1 (NK1) receptor antagonists were taken into human and both were tested as antidepressants and for insomnia. Vestipitant and Casopitant both have high affinity for the human NK1 receptor (pKi = 9.4 and 10.2, respectively). In human, at the chosen clinical doses, receptor occupancy was measured in the frontal cortex, at 24 hours post administration, as ∼90% for vestipitant (15 mg) and ∼100% for casopitant (30 mg). In patients with moderate to severe major depression, vestipitant given at 15 mg for 8 weeks showed no statistical significant benefit as measured by change in baseline in HAM-D total score; whereas casopitant at 80 mg achieved statistically significant improvement versus placebo at week 8 (LOCF HAMD17 = -2.7, p = 0.023). A lower dose of 30 mg showed a clear but not significant separation from placebo. However, in acute studies in insomnia, both vestipitant and casopitant at 15 mg and 30 mg, respectively, significantly reduced latency to persistent sleep, wakenings after sleep onset and increased total sleep time by similar amounts. These clinical results suggest that for major depression the receptor occupancy of an NK1 antagonist needs to be very high (almost 100%), whereas, for insomnia a lower occupation is sufficient to give clinical effect.

Topics: Antidepressive Agents; Depressive Disorder, Major; Fluorobenzenes; Humans; Neurokinin-1 Receptor Antagonists; Piperazines; Piperidines; Receptors, Neurokinin-1; Sleep Initiation and Maintenance Disorders; Tissue Distribution

Orexins A and B (hypocretins 1 and 2) and their two receptors (OX1R and OX2R) were discovered in 1998 by two different groups. Orexin A and B are derived from the differential processing of a common precursor, the prepro-orexin peptide. The neuropeptides are expressed in a few thousand cells located in the lateral hypothalamus (LH), but their projections and receptor distribution are widespread throughout the brain. Remarkably, prepro peptide and double (OX1R/OX2R) receptor knock out (KO) mice reproduce a sleep phenotype known in humans and dogs as narcolepsy/cataplexy. In humans, this disease is characterized by the absence of orexin producing cells in the LH, and severely depleted levels of orexin the cerebrospinal fluid. Null mutation of the individual OX1R or OX2R in mice substantially ameliorates the narcolepsy/cataplexy phenotype compared to the OX1R/OX2R KO, and highlights specific roles of the individual receptors in sleep architecture, the OX1R KO demonstrating an a attenuated sleep phenotype relative to the OX2R KO. It has therefore been suggested that orexin is a master regulator of the sleep-wake cycle, with high activity of the LH orexin cells during wake and almost none during sleep. Less than 10years later, the first orexin antagonist, almorexant, a dual orexin receptor antagonist (DORA), was reported to be effective in inducing sleep in volunteers and insomnia patients. Although development was stopped for almorexant and for Glaxo's DORA SB-649868, no less than 4 orexin receptor antagonists have reached phase II for insomnia, including Filorexant (MK-6096) and Suvorexant (MK-4305) from Merck. Suvorexant has since progressed to Phase III and dossier submission to the FDA. These four compounds are reported as DORAs, however, they equilibrate very slowly at one and/or the other orexin receptor, and thus at equilibrium may show more or less selectivity for OX1R or OX2R. The appropriate balance of antagonism of the two receptors for sleep is a point of debate, although in rodent models OX2R antagonism alone appears sufficient to induce sleep, whereas OX1R antagonism is largely devoid of this effect. Orexin is involved in a number of other functions including reward and feeding, where OX1R (possibly OX2R) antagonists display anti-addictive properties in rodent models of alcohol, smoking, and drug self-administration. However, despite early findings in feeding and appetite control, orexin receptor antagonists have not produced the anticipated eff

Topics: Acetamides; Animals; Azepines; Behavior, Addictive; Benzofurans; Feeding Behavior; Humans; Intracellular Signaling Peptides and Proteins; Isoquinolines; Mice; Neuropeptides; Orexin Receptor Antagonists; Orexin Receptors; Orexins; Piperidines; Pyrimidines; Rats; Reward; Sleep; Sleep Initiation and Maintenance Disorders; Thiazoles; Triazoles

Tachykinins (TKs) are small peptides widely distributed in the central and peripheral nervous systems where they act as neurotransmitters. Potent and selective TKs antagonists have been developed in the last 20 years and many efforts have been made to prove their efficacy in the treatment of various diseases. Herein the most prominent results in the clinical development are reported and discussed. For aprepitant, the only compound of this class to have been launched to date, results of clinical studies and postmarketing cost-effectiveness data for the treatment of chemotherapy-induced emesis are discussed. The field is still well active, as currently proof-of-concept studies for indications initially missed (i.e., depression) are ongoing and new targets are under investigation.

Topics: Antiemetics; Aprepitant; Asthma; Clinical Trials as Topic; Gastrointestinal Diseases; Humans; Mental Disorders; Morpholines; Neurokinin-1 Receptor Antagonists; Piperazines; Piperidines; Receptors, Neurokinin-2; Receptors, Neurokinin-3; Sleep Initiation and Maintenance Disorders

Middle East Respiratory Syndrome (MERS) is a novel respiratory illness firstly reported in Saudi Arabia in 2012. It is caused by a new corona virus, called MERS corona virus (MERS-CoV). Most people who have MERS-CoV infection developed severe acute respiratory illness.. This work is done to determine the clinical characteristics and the outcome of intensive care unit (ICU) admitted patients with confirmed MERS-CoV infection.. This study included 32 laboratory confirmed MERS corona virus infected patients who were admitted into ICU. It included 20 (62.50%) males and 12 (37.50%) females. The mean age was 43.99 ± 13.03 years. Diagnosis was done by real-time reverse transcription polymerase chain reaction (rRT-PCR) test for corona virus on throat swab, sputum, tracheal aspirate, or bronchoalveolar lavage specimens. Clinical characteristics, co-morbidities and outcome were reported for all subjects.. Most MERS corona patients present with fever, cough, dyspnea, sore throat, runny nose and sputum. The presence of abdominal symptoms may indicate bad prognosis. Prolonged duration of symptoms before patients' hospitalization, prolonged duration of mechanical ventilation and hospital stay, bilateral radiological pulmonary infiltrates, and hypoxemic respiratory failure were found to be strong predictors of mortality in such patients. Also, old age, current smoking, smoking severity, presence of associated co-morbidities like obesity, diabetes mellitus, chronic heart diseases, COPD, malignancy, renal failure, renal transplantation and liver cirrhosis are associated with a poor outcome of ICU admitted MERS corona virus infected patients.. Plasma HO-1, ferritin, p21, and NQO1 were all elevated at baseline in CKD participants. Plasma HO-1 and urine NQO1 levels each inversely correlated with eGFR (. SnPP can be safely administered and, after its injection, the resulting changes in plasma HO-1, NQO1, ferritin, and p21 concentrations can provide information as to antioxidant gene responsiveness/reserves in subjects with and without kidney disease.. A Study with RBT-1, in Healthy Volunteers and Subjects with Stage 3-4 Chronic Kidney Disease, NCT0363002 and NCT03893799.. HFNC did not significantly modify work of breathing in healthy subjects. However, a significant reduction in the minute volume was achieved, capillary [Formula: see text] remaining constant, which suggests a reduction in dead-space ventilation with flows > 20 L/min. (ClinicalTrials.gov registration NCT02495675).. 3 组患者手术时间、术中显性失血量及术后 1 周血红蛋白下降量比较差异均无统计学意义（. 对于肥胖和超重的膝关节单间室骨关节炎患者，采用 UKA 术后可获满意短中期疗效，远期疗效尚需进一步随访观察。.. Decreased muscle strength was identified at both time points in patients with hEDS/HSD. The evolution of most muscle strength parameters over time did not significantly differ between groups. Future studies should focus on the effectiveness of different types of muscle training strategies in hEDS/HSD patients.. These findings support previous adverse findings of e-cigarette exposure on neurodevelopment in a mouse model and provide substantial evidence of persistent adverse behavioral and neuroimmunological consequences to adult offspring following maternal e-cigarette exposure during pregnancy. https://doi.org/10.1289/EHP6067.. This RCT directly compares a neoadjuvant chemotherapy regimen with a standard CROSS regimen in terms of overall survival for patients with locally advanced ESCC. The results of this RCT will provide an answer for the controversy regarding the survival benefits between the two treatment strategies.. NCT04138212, date of registration: October 24, 2019.. Results of current investigation indicated that milk type and post fermentation cooling patterns had a pronounced effect on antioxidant characteristics, fatty acid profile, lipid oxidation and textural characteristics of yoghurt. Buffalo milk based yoghurt had more fat, protein, higher antioxidant capacity and vitamin content. Antioxidant and sensory characteristics of T. If milk is exposed to excessive amounts of light, Vitamins B. The two concentration of ZnO nanoparticles in the ambient air produced two different outcomes. The lower concentration resulted in significant increases in Zn content of the liver while the higher concentration significantly increased Zn in the lungs (p < 0.05). Additionally, at the lower concentration, Zn content was found to be lower in brain tissue (p < 0.05). Using TEM/EDX we detected ZnO nanoparticles inside the cells in the lungs, kidney and liver. Inhaling ZnO NP at the higher concentration increased the levels of mRNA of the following genes in the lungs: Mt2 (2.56 fold), Slc30a1 (1.52 fold) and Slc30a5 (2.34 fold). At the lower ZnO nanoparticle concentration, only Slc30a7 mRNA levels in the lungs were up (1.74 fold). Thus the two air concentrations of ZnO nanoparticles produced distinct effects on the expression of the Zn-homeostasis related genes.. Until adverse health effects of ZnO nanoparticles deposited in organs such as lungs are further investigated and/or ruled out, the exposure to ZnO nanoparticles in aerosols should be avoided or minimised.

Topics: A549 Cells; Acetylmuramyl-Alanyl-Isoglutamine; Acinetobacter baumannii; Acute Lung Injury; Adaptor Proteins, Signal Transducing; Adenine; Adenocarcinoma; Adipogenesis; Administration, Cutaneous; Administration, Ophthalmic; Adolescent; Adsorption; Adult; Aeromonas hydrophila; Aerosols; Aged; Aged, 80 and over; Aging; Agriculture; Air Pollutants; Air Pollution; Airway Remodeling; Alanine Transaminase; Albuminuria; Aldehyde Dehydrogenase 1 Family; Algorithms; AlkB Homolog 2, Alpha-Ketoglutarate-Dependent Dioxygenase; Alzheimer Disease; Amino Acid Sequence; Ammonia; Ammonium Compounds; Anaerobiosis; Anesthetics, Dissociative; Anesthetics, Inhalation; Animals; Anti-Bacterial Agents; Anti-HIV Agents; Anti-Infective Agents; Anti-Inflammatory Agents; Antibiotics, Antineoplastic; Antibodies, Antineutrophil Cytoplasmic; Antibodies, Monoclonal, Humanized; Antifungal Agents; Antigens, Bacterial; Antigens, CD; Antigens, Differentiation, Myelomonocytic; Antimetabolites, Antineoplastic; Antineoplastic Agents; Antineoplastic Combined Chemotherapy Protocols; Antioxidants; Antitubercular Agents; Antiviral Agents; Apolipoproteins E; Apoptosis; Arabidopsis; Arabidopsis Proteins; Arsenic; Arthritis, Rheumatoid; Asthma; Atherosclerosis; ATP-Dependent Proteases; Attitude of Health Personnel; Australia; Austria; Autophagy; Axitinib; Bacteria; Bacterial Outer Membrane Proteins; Bacterial Proteins; Bacterial Toxins; Bacterial Typing Techniques; Bariatric Surgery; Base Composition; Bayes Theorem; Benzoxazoles; Benzylamines; beta Catenin; Betacoronavirus; Betula; Binding Sites; Biological Availability; Biological Oxygen Demand Analysis; Biomarkers; Biomarkers, Tumor; Biopsy; Bioreactors; Biosensing Techniques; Birth Weight; Blindness; Blood Chemical Analysis; Blood Gas Analysis; Blood Glucose; Blood Pressure; Blood Pressure Monitoring, Ambulatory; Blood-Brain Barrier; Blotting, Western; Body Mass Index; Body Weight; Bone and Bones; Bone Density; Bone Resorption; Borates; Brain; Brain Infarction; Brain Injuries, Traumatic; Brain Neoplasms; Breakfast; Breast Milk Expression; Breast Neoplasms; Bronchi; Bronchoalveolar Lavage Fluid; Buffaloes; Cadherins; Calcification, Physiologic; Calcium Compounds; Calcium, Dietary; Cannula; Caprolactam; Carbon; Carbon Dioxide; Carboplatin; Carcinogenesis; Carcinoma, Ductal; Carcinoma, Ehrlich Tumor; Carcinoma, Hepatocellular; Carcinoma, Non-Small-Cell Lung; Carcinoma, Pancreatic Ductal; Carcinoma, Renal Cell; Cardiovascular Diseases; Carps; Carrageenan; Case-Control Studies; Catalysis; Catalytic Domain; Cattle; CD8-Positive T-Lymphocytes; Cell Adhesion; Cell Cycle Proteins; Cell Death; Cell Differentiation; Cell Line; Cell Line, Tumor; Cell Movement; Cell Nucleus; Cell Phone Use; Cell Proliferation; Cell Survival; Cell Transformation, Neoplastic; Cell Transformation, Viral; Cells, Cultured; Cellulose; Chemical Phenomena; Chemoradiotherapy; Child; Child Development; Child, Preschool; China; Chitosan; Chlorocebus aethiops; Cholecalciferol; Chromatography, Liquid; Circadian Clocks; Circadian Rhythm; Circular Dichroism; Cisplatin; Citric Acid; Clinical Competence; Clinical Laboratory Techniques; Clinical Trials, Phase I as Topic; Clinical Trials, Phase II as Topic; Clostridioides difficile; Clostridium Infections; Coculture Techniques; Cohort Studies; Cold Temperature; Colitis; Collagen Type I; Collagen Type I, alpha 1 Chain; Collagen Type XI; Color; Connective Tissue Diseases; Copper; Coronary Angiography; Coronavirus 3C Proteases; Coronavirus Infections; Cost of Illness; Counselors; COVID-19; COVID-19 Testing; Creatine Kinase; Creatinine; Cross-Over Studies; Cross-Sectional Studies; Cryoelectron Microscopy; Cryosurgery; Crystallography, X-Ray; Cues; Cultural Competency; Cultural Diversity; Curriculum; Cyclic AMP Response Element-Binding Protein; Cyclin-Dependent Kinase Inhibitor p21; Cycloparaffins; Cysteine Endopeptidases; Cytokines; Cytoplasm; Cytoprotection; Databases, Factual; Denitrification; Deoxycytidine; Diabetes Complications; Diabetes Mellitus; Diabetes Mellitus, Experimental; Diabetes Mellitus, Type 1; Diabetes Mellitus, Type 2; Diagnosis, Differential; Diatoms; Diet; Diet, High-Fat; Dietary Exposure; Diffusion Magnetic Resonance Imaging; Diketopiperazines; Dipeptidyl Peptidase 4; Dipeptidyl-Peptidase IV Inhibitors; Disease Models, Animal; Disease Progression; Disease-Free Survival; DNA; DNA Damage; DNA Glycosylases; DNA Repair; DNA-Binding Proteins; DNA, Bacterial; DNA, Viral; Docetaxel; Dose Fractionation, Radiation; Dose-Response Relationship, Drug; Down-Regulation; Doxorubicin; Drosophila; Drosophila melanogaster; Drug Carriers; Drug Delivery Systems; Drug Liberation; Drug Repositioning; Drug Resistance, Bacterial; Drug Resistance, Multiple, Bacterial; Drug Resistance, Neoplasm; Drug Screening Assays, Antitumor; Drug Synergism; Drug Therapy, Combination; Edema; Edible Grain; Education, Graduate; Education, Medical, Graduate; Education, Pharmacy; Ehlers-Danlos Syndrome; Electron Transport Complex III; Electron Transport Complex IV; Electronic Nicotine Delivery Systems; Emergency Service, Hospital; Empathy; Emulsions; Endothelial Cells; Endurance Training; Energy Intake; Enterovirus A, Human; Environment; Environmental Monitoring; Enzyme Assays; Enzyme Inhibitors; Epithelial Cells; Epithelial-Mesenchymal Transition; Epoxide Hydrolases; Epoxy Compounds; Erythrocyte Count; Erythrocytes; Escherichia coli; Escherichia coli Infections; Escherichia coli Proteins; Esophageal Neoplasms; Esophageal Squamous Cell Carcinoma; Esophagectomy; Estrogens; Etanercept; Ethiopia; Ethnicity; Ethylenes; Exanthema; Exercise; Exercise Test; Exercise Tolerance; Extracellular Matrix; Extracorporeal Membrane Oxygenation; Eye Infections, Fungal; False Negative Reactions; Fatty Acids; Fecal Microbiota Transplantation; Feces; Female; Femur Neck; Fermentation; Ferritins; Fetal Development; Fibroblast Growth Factor-23; Fibroblast Growth Factors; Fibroblasts; Fibroins; Fish Proteins; Flavanones; Flavonoids; Focus Groups; Follow-Up Studies; Food Handling; Food Supply; Food, Formulated; Forced Expiratory Volume; Forests; Fractures, Bone; Fruit and Vegetable Juices; Fusobacteria; G1 Phase Cell Cycle Checkpoints; G2 Phase Cell Cycle Checkpoints; Gamma Rays; Gastrectomy; Gastrointestinal Microbiome; Gastrointestinal Stromal Tumors; Gefitinib; Gels; Gemcitabine; Gene Amplification; Gene Expression; Gene Expression Regulation; Gene Expression Regulation, Bacterial; Gene Expression Regulation, Neoplastic; Gene Expression Regulation, Plant; Gene Knockdown Techniques; Gene-Environment Interaction; Genotype; Germany; Glioma; Glomerular Filtration Rate; Glucagon; Glucocorticoids; Glycemic Control; Glycerol; Glycogen Synthase Kinase 3 beta; Glycolipids; Glycolysis; Goblet Cells; Gram-Negative Bacterial Infections; Granulocyte Colony-Stimulating Factor; Graphite; Greenhouse Effect; Guanidines; Haemophilus influenzae; HCT116 Cells; Health Knowledge, Attitudes, Practice; Health Personnel; Health Services Accessibility; Health Services Needs and Demand; Health Status Disparities; Healthy Volunteers; Heart Failure; Heart Rate; Heart Transplantation; Heart-Assist Devices; HEK293 Cells; Heme; Heme Oxygenase-1; Hemolysis; Hemorrhage; Hepatitis B; Hepatitis B e Antigens; Hepatitis B Surface Antigens; Hepatitis B virus; Hepatitis B, Chronic; Hepatocytes; Hexoses; High-Throughput Nucleotide Sequencing; Hippo Signaling Pathway; Histamine; Histamine Agonists; Histidine; Histone Deacetylase 2; HIV Infections; HIV Reverse Transcriptase; HIV-1; Homebound Persons; Homeodomain Proteins; Homosexuality, Male; Hospice and Palliative Care Nursing; HSP70 Heat-Shock Proteins; Humans; Hyaluronan Receptors; Hydrogen; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydrolysis; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Hypoglycemia; Hypoglycemic Agents; Hypoxia; Idiopathic Interstitial Pneumonias; Imaging, Three-Dimensional; Imatinib Mesylate; Immunotherapy; Implementation Science; Incidence; INDEL Mutation; Induced Pluripotent Stem Cells; Industrial Waste; Infant; Infant, Newborn; Inflammation; Inflammation Mediators; Infliximab; Infusions, Intravenous; Inhibitory Concentration 50; Injections; Insecticides; Insulin-Like Growth Factor Binding Protein 5; Insulin-Secreting Cells; Interleukin-1; Interleukin-17; Interleukin-8; Internship and Residency; Intestines; Intracellular Signaling Peptides and Proteins; Ion Transport; Iridaceae; Iridoid Glucosides; Islets of Langerhans Transplantation; Isodon; Isoflurane; Isotopes; Italy; Joint Instability; Ketamine; Kidney; Kidney Failure, Chronic; Kidney Function Tests; Kidney Neoplasms; Kinetics; Klebsiella pneumoniae; Knee Joint; Kruppel-Like Factor 4; Kruppel-Like Transcription Factors; Lactate Dehydrogenase 5; Laparoscopy; Laser Therapy; Lasers, Semiconductor; Lasers, Solid-State; Laurates; Lead; Leukocyte L1 Antigen Complex; Leukocytes, Mononuclear; Light; Lipid Peroxidation; Lipopolysaccharides; Liposomes; Liver; Liver Cirrhosis; Liver Neoplasms; Liver Transplantation; Locomotion; Longitudinal Studies; Lopinavir; Lower Urinary Tract Symptoms; Lubricants; Lung; Lung Diseases, Interstitial; Lung Neoplasms; Lymphocyte Activation; Lymphocytes, Tumor-Infiltrating; Lymphoma, Mantle-Cell; Lysosomes; Macrophages; Male; Manganese Compounds; MAP Kinase Kinase 4; Mass Screening; Maternal Health; Medicine, Chinese Traditional; Melanoma, Experimental; Memantine; Membrane Glycoproteins; Membrane Proteins; Mesenchymal Stem Cell Transplantation; Metal Nanoparticles; Metalloendopeptidases; Metalloporphyrins; Methadone; Methane; Methicillin-Resistant Staphylococcus aureus; Mexico; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL; Mice, Inbred ICR; Mice, Knockout; Mice, Nude; Mice, SCID; Mice, Transgenic; Microarray Analysis; Microbial Sensitivity Tests; Microbiota; Micronutrients; MicroRNAs; Microscopy, Confocal; Microsomes, Liver; Middle Aged; Milk; Milk, Human; Minority Groups; Mitochondria; Mitochondrial Membranes; Mitochondrial Proteins; Models, Animal; Models, Molecular; Molecular Conformation; Molecular Docking Simulation; Molecular Dynamics Simulation; Molecular Epidemiology; Molecular Structure; Molecular Weight; Multilocus Sequence Typing; Multimodal Imaging; Muscle Strength; Muscle, Skeletal; Muscular Diseases; Mutation; Mycobacterium tuberculosis; Myocardial Stunning; Myristates; NAD(P)H Dehydrogenase (Quinone); Nanocomposites; Nanogels; Nanoparticles; Nanotechnology; Naphthalenes; Nasal Cavity; National Health Programs; Necrosis; Needs Assessment; Neoadjuvant Therapy; Neonicotinoids; Neoplasm Invasiveness; Neoplasm Metastasis; Neoplasm Proteins; Neoplasm Recurrence, Local; Neoplasm Staging; Neoplasm Transplantation; Neoplasms; Neoplastic Stem Cells; Netherlands; Neuroblastoma; Neuroprotective Agents; Neutrophils; NF-kappa B; NFATC Transcription Factors; Nicotiana; Nicotine; Nitrates; Nitrification; Nitrites; Nitro Compounds; Nitrogen; Nitrogen Dioxide; North Carolina; Nuclear Magnetic Resonance, Biomolecular; Nuclear Proteins; Nucleic Acid Hybridization; Nucleosomes; Nutrients; Obesity; Obesity, Morbid; Oceans and Seas; Oncogene Protein v-akt; Oncogenes; Oocytes; Open Reading Frames; Osteoclasts; Osteogenesis; Osteoporosis; Osteoporosis, Postmenopausal; Outpatients; Ovarian Neoplasms; Ovariectomy; Overweight; Oxazines; Oxidants; Oxidation-Reduction; Oxidative Stress; Oxides; Oxidoreductases; Oxygen; Oxygen Inhalation Therapy; Oxygenators, Membrane; Ozone; Paclitaxel; Paenibacillus; Pain Measurement; Palliative Care; Pancreatic Neoplasms; Pandemics; Parasympathetic Nervous System; Particulate Matter; Pasteurization; Patient Preference; Patient Satisfaction; Pediatric Obesity; Permeability; Peroxiredoxins; Peroxynitrous Acid; Pharmaceutical Services; Pharmacists; Pharmacy; Phaseolus; Phenotype; Phoeniceae; Phosphates; Phosphatidylinositol 3-Kinases; Phospholipid Transfer Proteins; Phospholipids; Phosphorus; Phosphorylation; Photoperiod; Photosynthesis; Phylogeny; Physical Endurance; Physicians; Pilot Projects; Piperidines; Pituitary Adenylate Cyclase-Activating Polypeptide; Plant Extracts; Plant Leaves; Plant Proteins; Plant Roots; Plaque, Atherosclerotic; Pneumonia; Pneumonia, Viral; Point-of-Care Testing; Polyethylene Glycols; Polymers; Polysorbates; Pore Forming Cytotoxic Proteins; Positron Emission Tomography Computed Tomography; Positron-Emission Tomography; Postprandial Period; Poverty; Pre-Exposure Prophylaxis; Prediabetic State; Predictive Value of Tests; Pregnancy; Pregnancy Trimester, First; Pregnancy, High-Risk; Prenatal Exposure Delayed Effects; Pressure; Prevalence; Primary Graft Dysfunction; Primary Health Care; Professional Role; Professionalism; Prognosis; Progression-Free Survival; Prolactin; Promoter Regions, Genetic; Proof of Concept Study; Proportional Hazards Models; Propylene Glycol; Prospective Studies; Prostate; Protein Binding; Protein Biosynthesis; Protein Isoforms; Protein Kinase Inhibitors; Protein Phosphatase 2; Protein Processing, Post-Translational; Protein Serine-Threonine Kinases; Protein Structure, Tertiary; Protein Transport; Proteoglycans; Proteome; Proto-Oncogene Proteins c-akt; Proto-Oncogene Proteins c-myc; Proto-Oncogene Proteins c-ret; Proto-Oncogene Proteins p21(ras); Proton Pumps; Protons; Protoporphyrins; Pseudomonas aeruginosa; Pseudomonas fluorescens; Pulmonary Artery; Pulmonary Disease, Chronic Obstructive; Pulmonary Gas Exchange; Pulmonary Veins; Pyrazoles; Pyridines; Pyrimidines; Qualitative Research; Quinoxalines; Rabbits; Random Allocation; Rats; Rats, Sprague-Dawley; Rats, Wistar; Receptors, Histamine H3; Receptors, Immunologic; Receptors, Transferrin; Recombinant Proteins; Recurrence; Reference Values; Referral and Consultation; Regional Blood Flow; Registries; Regulon; Renal Insufficiency, Chronic; Reperfusion Injury; Repressor Proteins; Reproducibility of Results; Republic of Korea; Research Design; Resistance Training; Respiration, Artificial; Respiratory Distress Syndrome; Respiratory Insufficiency; Resuscitation; Retinal Dehydrogenase; Retreatment; Retrospective Studies; Reverse Transcriptase Inhibitors; Rhinitis, Allergic; Ribosomal Proteins; Ribosomes; Risk Assessment; Risk Factors; Ritonavir; Rivers; RNA Interference; RNA-Seq; RNA, Messenger; RNA, Ribosomal, 16S; RNA, Small Interfering; Rosuvastatin Calcium; Rural Population; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Salivary Ducts; Salivary Gland Neoplasms; San Francisco; SARS-CoV-2; Satiation; Satiety Response; Schools; Schools, Pharmacy; Seasons; Seawater; Selection, Genetic; Sequence Analysis, DNA; Serine-Threonine Kinase 3; Sewage; Sheep; Sheep, Domestic; Shock, Hemorrhagic; Signal Transduction; Silver; Silymarin; Single Photon Emission Computed Tomography Computed Tomography; Sirolimus; Sirtuin 1; Skin; Skin Neoplasms; Skin Physiological Phenomena; Sleep Initiation and Maintenance Disorders; Social Class; Social Participation; Social Support; Soil; Soil Microbiology; Solutions; Somatomedins; Soot; Specimen Handling; Spectrophotometry, Ultraviolet; Spectroscopy, Fourier Transform Infrared; Spectrum Analysis; Spinal Fractures; Spirometry; Staphylococcus aureus; STAT1 Transcription Factor; STAT3 Transcription Factor; Streptomyces coelicolor; Stress, Psychological; Stroke; Stroke Volume; Structure-Activity Relationship; Students, Medical; Students, Pharmacy; Substance Abuse Treatment Centers; Sulfur Dioxide; Surface Properties; Surface-Active Agents; Surveys and Questionnaires; Survival Analysis; Survival Rate; Survivin; Sweden; Swine; Swine, Miniature; Sympathetic Nervous System; T-Lymphocytes, Regulatory; Talaromyces; Tandem Mass Spectrometry; tau Proteins; Telemedicine; Telomerase; Telomere; Telomere Homeostasis; Temperature; Terminally Ill; Th1 Cells; Thiamethoxam; Thiazoles; Thiophenes; Thioredoxin Reductase 1; Thrombosis; Thulium; Thyroid Cancer, Papillary; Thyroid Carcinoma, Anaplastic; Thyroid Neoplasms; Time Factors; Titanium; Tomography, Emission-Computed, Single-Photon; Tomography, X-Ray Computed; TOR Serine-Threonine Kinases; Transcription Factor AP-1; Transcription Factors; Transcription, Genetic; Transcriptional Activation; Transcriptome; Transforming Growth Factor beta1; Transistors, Electronic; Translational Research, Biomedical; Transplantation Tolerance; Transplantation, Homologous; Transportation; Treatment Outcome; Tretinoin; Tuberculosis, Multidrug-Resistant; Tuberculosis, Pulmonary; Tubulin Modulators; Tumor Microenvironment; Tumor Necrosis Factor Inhibitors; Tumor Necrosis Factor-alpha; Twins; Ultrasonic Therapy; Ultrasonography; Ultraviolet Rays; United States; Up-Regulation; Uranium; Urethra; Urinary Bladder; Urodynamics; Uromodulin; Uveitis; Vasoconstrictor Agents; Ventricular Function, Left; Vero Cells; Vesicular Transport Proteins; Viral Nonstructural Proteins; Visual Acuity; Vital Capacity; Vitamin D; Vitamin D Deficiency; Vitamin K 2; Vitamins; Volatilization; Voriconazole; Waiting Lists; Waste Disposal, Fluid; Wastewater; Water Pollutants, Chemical; Whole Genome Sequencing; Wine; Wnt Signaling Pathway; Wound Healing; Wounds and Injuries; WW Domains; X-linked Nuclear Protein; X-Ray Diffraction; Xanthines; Xenograft Model Antitumor Assays; YAP-Signaling Proteins; Yogurt; Young Adult; Zebrafish; Zebrafish Proteins; Ziziphus

Filorexant (MK-6096) is an orexin receptor antagonist; here, we evaluate the efficacy of filorexant in the treatment of insomnia in adults.. A double-blind, placebo-controlled, randomized, two 4-week-period, adaptive crossover polysomnography study was conducted at 51 sites worldwide. Patients (18 to <65 years) with insomnia received 1 of 4 doses of oral filorexant (2.5, 5, 10, 20mg) once daily at bedtime during one period and matching placebo in the other period in 1 of 8 possible treatment sequences. Polysomnography was performed on night 1 and end of week 4 of each period. The primary endpoint was sleep efficiency at night 1 and end of week 4. Secondary endpoints included wakefulness after persistent sleep onset and latency to onset of persistent sleep.. A total of 324 patients received study treatment, 315 received ≥1 dose of placebo, and 318 ≥1 dose of filorexant (2.5mg, n=79; 5mg, n=78; 10mg, n=80; 20mg, n=81). All filorexant doses (2.5/5/10/20mg) were significantly superior to placebo in improving sleep among patients with insomnia as measured by sleep efficiency and wakefulness after persistent sleep onset on night 1 and end of week 4. The 2 higher filorexant doses (10/20mg) were also significantly more effective than placebo in improving sleep onset as measured by latency to onset of persistent sleep at night 1 and end of week 4. Filorexant was generally well tolerated.. Orexin receptor antagonism by filorexant significantly improved sleep efficiency in nonelderly patients with insomnia. Dose-related improvements in sleep onset and maintenance outcomes were also observed with filorexant.

Topics: Adolescent; Adult; Cross-Over Studies; Dose-Response Relationship, Drug; Double-Blind Method; Female; Humans; Male; Middle Aged; Orexin Receptor Antagonists; Piperidines; Polysomnography; Pyrimidines; Sleep Initiation and Maintenance Disorders; Treatment Outcome; Young Adult

Investigate the hypnotic effects of repeated doses of neurokinin-1 receptor antagonist, vestipitant, in primary insomnia.. Randomized, double-blind, placebo-controlled 28-day parallel-group study.. Eleven sleep centers in Germany.. One hundred sixty-one patients with primary insomnia.. Patients received vestipitant (15 mg) or placebo for 28 days; 2-night polysomnographic assessment occurred on nights 1/2 and 27/28.. Wake after sleep onset (WASO) was improved on nights 1/2 and 27/28 (ratio, vestipitant versus placebo [95% confidence interval]: 0.76 [0.65, 0.90], P = 0.001 and 0.79 [0.65, 0.96], P = 0.02, respectively), demonstrating maintenance of the effect following repeated dosing. Latency to persistent sleep was shorter with vestipitant on nights 1/2 (P = 0.0006 versus placebo), but not on nights 27/28. Total sleep time (TST) improved with vestipitant (nights 1/2: P < 0.0001, nights 27/28: P = 0.02 versus placebo). Next-day cognitive function tests demonstrated no residual effects of vestipitant (P > 0.05 versus placebo). Adverse events (AEs) occurred in 25% of vestipitant patients versus 22% for placebo. Headache was the most common AE (8% of vestipitant patients versus 9% for placebo).. Vestipitant improved sleep maintenance in patients with primary insomnia, with no associated next-day cognitive impairment. The effects on wake after sleep onset and total sleep time were maintained following repeated dosing.

Topics: Adult; Double-Blind Method; Female; Fluorobenzenes; Humans; Male; Middle Aged; Neurokinin-1 Receptor Antagonists; Piperidines; Polysomnography; Sleep Initiation and Maintenance Disorders; Treatment Outcome; Young Adult

JNJ-37822681 is a novel, highly selective dopamine D₂ receptor antagonist characterized by a rapid dissociation rate from the dopamine D₂ receptor. This profile was hypothesized to confer antipsychotic efficacy and improved tolerability. In this 12-week study, the efficacy and safety of JNJ-37822681 were evaluated in patients with an acute exacerbation of schizophrenia, randomly assigned (1:1:1:1:1) to JNJ-37822681 (10-, 20- or 30-mg bid), olanzapine (15 mg once-daily), or placebo (for 6 weeks followed by olanzapine for 6 weeks). Of 498 randomized patients, 298 (60%) completed the study. All JNJ-37822681 dose groups and the olanzapine group showed significantly greater reduction in PANSS total score from baseline to week 6 versus placebo (all p-values < 0.001). Least-squares adjusted mean changes from baseline to week 6 in PANSS total score were: -6.4 (placebo); -18.4 (10 mg JNJ-37822681), -17.7 (20 mg JNJ-37822681), -20.0 (30 mg JNJ-37822681) and -22.9 (olanzapine). All JNJ-37822681 groups showed significant improvement versus placebo from baseline to week 6 in the PANSS subscales, Marder factors, Clinical Global Impression of Severity, and in the Subjective Well-Being on Neuroleptics scale (all p-values < 0.05). The most common treatment-emergent adverse events with JNJ-37822681 were insomnia (17%) and akathisia (13%). Incidences of extrapyramidal symptoms were dose-related and were comparable for JNJ-37822681 10 mg bid and olanzapine groups. All JNJ-37822681 dose groups showed lesser weight gain compared with olanzapine. The efficacy and tolerability profile of the JNJ-37822681 10 mg bid was consistent with the study hypothesis.

Topics: Acute Disease; Adult; Akathisia, Drug-Induced; Antipsychotic Agents; Benzodiazepines; Diagnostic and Statistical Manual of Mental Disorders; Dopamine Antagonists; Dopamine D2 Receptor Antagonists; Dose-Response Relationship, Drug; Double-Blind Method; Female; Humans; Incidence; Intention to Treat Analysis; Male; Middle Aged; Olanzapine; Patient Dropouts; Piperidines; Psychiatric Status Rating Scales; Pyridazines; Receptors, Dopamine D2; Schizophrenia; Schizophrenic Psychology; Sleep Initiation and Maintenance Disorders

Following a 48-week, double-blind, randomized, placebo-controlled trial of donepezil in 821 patients with amnestic mild cognitive impairment (aMCI), safety and tolerability of donepezil (10 mg) were further evaluated in a 28-week extension study. Of 499 participants who completed the double-blind phase, 145 enrolled in the open-label study. Adverse events (AEs) were recorded throughout. Overall, 57.4% of participants in the donepezil/donepezil group and 62.3% in the placebo/donepezil group experienced an AE, with the most frequent treatment-emergent AEs being diarrhea, muscle spasms, insomnia, and nausea. Most were mild to moderate in severity and were more common in the first several weeks after treatment initiation. More participants in the placebo/donepezil group (22.1%) discontinued donepezil due to an AE compared with the donepezil/donepezil group (10.3%). These findings support the safety of donepezil in patients with aMCI. When compared with other studies, however, the data suggest that patients with Alzheimer's tolerate donepezil better than patients with MCI.

Topics: Adult; Aged; Aged, 80 and over; Amnesia; Cholinesterase Inhibitors; Cognition Disorders; Diarrhea; Donepezil; Double-Blind Method; Female; Follow-Up Studies; Humans; Indans; Male; Middle Aged; Nausea; Neuropsychological Tests; Piperidines; Psychiatric Status Rating Scales; Severity of Illness Index; Sleep Initiation and Maintenance Disorders; Spasm; Time Factors; Treatment Outcome

Antihistamines often are self-administered at night as over-the-counter (OTC) sleep aids, but their next-day residual sedative effect has never been evaluated using a reliable quantitative method such as positron emission tomography (PET). We performed a double-blind, placebo-controlled, crossover study in which we evaluated the residual effect the next day after nighttime administration of diphenhydramine, a commonly used OTC sleep aid, in terms of brain H₁ receptor occupancy (H₁RO) measured using ¹¹C-doxepin-PET. We also compared the results of diphenhydramine with those of bepotastine, a second-generation antihistamine. Eight healthy adult male subjects underwent PET measurement the morning (11:00) after random oral administration of diphenhydramine (50 mg), bepotastine (10 mg), or placebo the night before (23:00). Binding potential ratios and H₁ROs were calculated in different brain regions of interest such as the cingulate gyrus, frontotemporal cortex, and cerebellum. Subjective sleepiness and plasma drug concentration also were measured. Calculation of binding potential ratios revealed significantly lower values for diphenhydramine than for bepotastine or placebo in all regions of interest (P < 0.01). Cortical mean H₁RO after diphenhydramine treatment was 44.7% compared with 16.6% for bepotastine treatment (P < 0.01). Subjective sleepiness was not significantly different among the subjects treated with each test drug or the placebo. In conclusion, the next-day residual sedative effect after nighttime administration of the OTC sleep aid diphenhydramine was verified for the first time by direct PET measurement of H₁RO. Taking into account the possible hangover effect of OTC antihistamine sleep aids, care needs to be taken during their administration.

Topics: Administration, Oral; Brain; Cross-Over Studies; Diphenhydramine; Double-Blind Method; Histamine H1 Antagonists; Humans; Hypnotics and Sedatives; Male; Nonprescription Drugs; Piperidines; Positron-Emission Tomography; Pyridines; Receptors, Histamine H1; Sleep Initiation and Maintenance Disorders; Young Adult

Donepezil is an acetylcholinesterase inhibitor marketed for treatment of memory loss and behavioral deterioration associated with the acetylcholine deficit of Alzheimer's disease. We investigated the utility and tolerability of donepezil in nongeriatric affective illness for treatment of psychotropic-induced memory loss, dry mouth, and constipation.. Nondemented outpatients with stabilized DSM-IV affective illness took 5 mg/day of donepezil for 3 weeks and then increased to 10 mg/day in open trials. Self-rating scales of target symptoms were completed by patients before and 3 to 4 weeks after starting each dose condition. Patients who chose to continue donepezil therapy returned for clinical monitoring every 4 to 8 weeks.. Eleven women and 11 men (mean +/- SD age = 45.4+/-8.5 years) completed donepezil trials. Nineteen patients with memory loss rated improvement while taking 5 mg/day of donepezil (p<.001); subsequently, 6 rated further improvement with 10 mg/day (p = .057). Donepezil, 5 mg/day, also reduced ratings of dry mouth (N = 16; p<.001) and constipation (N = 11; p<.05). Side effects included insomnia, nausea, vomiting, and diarrhea; surprisingly, 2 bipolar patients became manic within hours of starting donepezil. Sixteen patients (72%) continued donepezil for an average of 7 months. Consideration of family histories suggested that donepezil response in affective illness may be an early indicator of vulnerability to dementia of the Alzheimer's type.. (1) Donepezil can reduce memory loss, dry mouth, and constipation in nongeriatric affective patients, but may trigger mania; and (2) long-term follow-up will reveal the predictive value for dementia of donepezil's memory restoration in nongeriatric subjects.

Topics: Adult; Ambulatory Care; Cholinesterase Inhibitors; Constipation; Depressive Disorder; Diarrhea; Dizziness; Donepezil; Drug Administration Schedule; Female; Humans; Indans; Male; Memory Disorders; Middle Aged; Piperidines; Psychotropic Drugs; Sleep Initiation and Maintenance Disorders; Xerostomia

The effects of trazodone on subjective and objective sleep parameters were compared to those of placebo in a double-blind design in seven patients who developed insomnia during treatment with the selective and reversible MAO-A inhibitor, brofaromine. Trazodone significantly increased deep sleep and altered the architecture of sleep in these patients. Subjectively, patients reported a better and deeper sleep. No negative interactions between brofaromine and trazodone were observed and side-effects were minimal. A low dose of trazodone may be a safe and effective agent in the treatment of MAO-I induced insomnia.

Topics: Dose-Response Relationship, Drug; Double-Blind Method; Electroencephalography; Follow-Up Studies; Humans; Monoamine Oxidase Inhibitors; Piperidines; Selective Serotonin Reuptake Inhibitors; Sleep Initiation and Maintenance Disorders; Sleep, REM; Trazodone; Wakefulness

Type 1 narcolepsy is a disabling disease that requires continuous treatment, which is not always effective. Pitolisant is a new drug with a different mechanism of action that offers a new treatment option. The objective of the study was to analyse the effectiveness and safety of pitolisant in patients with type 1 narcolepsy that did not respond to or tolerate previous standard treatments.. Real-life multicentre descriptive observational study that included patients diagnosed with type 1 narcolepsy who did not respond to or tolerate previous treatments and started treatment with pitolisant. The study evaluated three different moments: the start of treatment, the stabilization of treatment with pitolisant and the three months after.. In 32 patients included (mean age, 44 years; 37.5% women) the mean of the Epworth Sleepiness Scale was reduced from 17.1 to 13.5; 47.8% of the patients improved from their cataplexy; 65% of the patients improved their clinical global impression at the physician's and at the patient's discretion and the mean number of medications consumed was reduced from 2.0 to 1.4. The most frequent adverse effect was insomnia in 43.8% of patients. Of the 32 patients, 23 continued with the treatment during the 3-month follow-up period.. In patients with type I narcolepsy who do not respond to or do not tolerate the available treatments, pitolisant can improve their clinical situation and reduce their medication consumption. Studies with a higher level of evidence are needed to confirm these results.. Estudio WAKE de vida real en pacientes con narcolepsia con cataplejía tratados con pitolisant no respondedores a tratamientos previos.. Introducción. La narcolepsia de tipo 1 es una enfermedad incapacitante que requiere tratamiento continuo, que no siempre es eficaz. El pitolisant es un nuevo fármaco con un mecanismo de acción diferente que ofrece una nueva opción de tratamiento. El objetivo del estudio fue analizar la efectividad y la seguridad del pitolisant en pacientes con narcolepsia de tipo 1 que no hubieran respondido o tolerado previamente los tratamientos habituales. Pacientes y métodos. Estudio observacional descriptivo multicéntrico de vida real que incluyó a pacientes diagnosticados de narcolepsia de tipo 1 no respondedores a tratamientos previos que iniciaron tratamiento con pitolisant. El estudio evaluó tres momentos: el inicio del tratamiento, la estabilización del tratamiento con pitolisant y los tres meses posteriores. Resultados. En 32 pacientes incluidos (media de edad, 44 años; 37,5% de mujeres), la media de la escala de somnolencia de Epworth se redujo de 17,1 a 13,5; un 47,8% de los pacientes mejoró subjetivamente de su cataplejía; un 65% de los pacientes mejoró su impresión clínica global a criterio médico y a criterio del paciente; y se redujo la media de medicamentos consumidos de 2,0 a 1,4. El efecto adverso más frecuente fue el insomnio, en un 43,8% de los pacientes. De los 32 pacientes, 23 mantuvieron el tratamiento durante los tres meses de seguimiento. Conclusiones. En pacientes con narcolepsia de tipo 1 que no responden a o no toleran los tratamientos disponibles, el pitolisant puede mejorar su situación clínica y reducir su consumo de medicamentos. Son necesarios estudios de mayor nivel de evidencia para confirmar estos resultados.

Topics: Adult; Cataplexy; Female; Humans; Male; Narcolepsy; Piperidines; Sleep Initiation and Maintenance Disorders

Insomnia-related sleep disruption can contribute to impaired learning and memory. Treatment of insomnia should ideally improve the sleep profile while minimally affecting mnemonic function, yet many hypnotic drugs (e.g. benzodiazepines) are known to impair memory. Here, we used a rat model of insomnia to determine whether the novel hypnotic drug DORA-22, a dual orexin receptor antagonist, improves mild stress-induced insomnia with minimal effect on memory. Animals were first trained to remember the location of a hidden platform (acquisition) in the Morris Water Maze and then administered DORA-22 (10, 30, or 100 mg/kg doses) or vehicle control. Animals were then subjected to a rodent insomnia model involving two exposures to dirty cages over a 6-hr time period (at time points 0 and 3 hr), followed immediately by a probe trial in which memory of the water maze platform location was evaluated. DORA-22 treatment improved the insomnia-related sleep disruption-wake was attenuated and NREM sleep was normalized. REM sleep amounts were enhanced compared with vehicle treatment for one dose (30 mg/kg). In the first hour of insomnia model exposure, DORA-22 promoted the number and average duration of NREM sleep spindles, which have been previously proposed to play a role in memory consolidation (all doses). Water maze measures revealed probe trial performance improvement for select doses of DORA-22, including increased time spent in the platform quadrant (10 and 30 mg/kg) and time spent in platform location and number of platform crossings (10 mg/kg only). In conclusion, DORA-22 treatment improved insomnia-related sleep disruption and memory consolidation deficits.

Topics: Animals; Pharmaceutical Preparations; Piperidines; Rats; Rodentia; Sleep; Sleep Initiation and Maintenance Disorders; Triazoles

Torsade de pointes (TdP) occurred in a long QT syndrome type 3 (LQT3) patient after switching perospirone to blonanserin. We studied how their electropharmacological effects had induced TdP in the LQT3 patient. Perospirone hydrochloride (n = 4) or blonanserin (n = 4) of 0.01, 0.1, and 1 mg/kg, i.v. was cumulatively administered to the halothane-anesthetized dogs over 10 min. The low dose of perospirone decreased total peripheral vascular resistance, but increased heart rate and cardiac output, facilitated atrioventricular conduction, and prolonged J-T

Topics: Action Potentials; Anesthetics, Inhalation; Animals; Calcium Channel Agonists; Cardiac Conduction System Disease; Delirium; Dogs; Dopamine Antagonists; Dose-Response Relationship, Drug; Electrocardiography; Female; Halothane; Heart Conduction System; Humans; Isoindoles; Long QT Syndrome; Middle Aged; Models, Animal; Piperazines; Piperidines; Potassium Channel Blockers; Serotonin Antagonists; Sleep Initiation and Maintenance Disorders; Thiazoles; Torsades de Pointes

To asses the long-term safety and efficacy of pitolisant, an histamine H3-receptor antagonist, on narcolepsy.. This open-label, single-arm, pragmatic study, recruited adult patients with narcolepsy and Epworth Sleepiness Scale (ESS) score ≥12. After a titration period, patients were treated for up to 1 year with oral pitolisant once-a-day at up to 40 mg. Concomitant stimulants and anti-cataplectic agents were allowed. The primary endpoint was safety; secondary endpoints included ESS, cataplexy, and other diary parameters.. Patients (n = 102, 75 with cataplexy) received pitolisant, for the first time in 73 of them. Sixty-eight patients (51 with cataplexy) completed the 12-month treatment. Common treatment-emergent adverse events were headache (11.8% of patients), insomnia (8.8%), weight gain (7.8%), anxiety (6.9%), depressive symptoms (4.9%), and nausea (4.9%). Seven patients had a serious adverse effect, unrelated to pitolisant except for a possibly related miscarriage. One-third of patients stopped pitolisant, mostly (19.6%) for insufficient benefit. ESS score decreased by 4.6 ± 0.6. Two-thirds of patients completing the treatment were responders (ESS ≤ 10 or ESS decrease ≥ 3), and one third had normalized ESS (≤10). Complete and partial cataplexy, hallucinations, sleep paralysis, and sleep attacks were reduced by 76%, 65%, 54%, 63%, and 27%, respectively. Pitolisant as monotherapy (43% of patients) was better tolerated and more efficacious on ESS than on add-on, but efficacy was maintained in this last case.. Long-term safety and efficacy of pitolisant on daytime sleepiness, cataplexy, hallucinations, and sleep paralysis is confirmed.

Topics: Adult; Anxiety; Central Nervous System Stimulants; Depression; Female; Headache; Histamine H3 Antagonists; Humans; Male; Narcolepsy; Piperidines; Sleep Initiation and Maintenance Disorders; Treatment Outcome

Chronic insomnia is defined as a persistent difficulty with sleep initiation maintenance or non-restorative sleep. The therapeutic standard of care for this condition is treatment with gamma-aminobutyric acid (GABA)

Topics: Acetylcholine; Animals; gamma-Aminobutyric Acid; Hippocampus; Histamine; Hypothalamic Area, Lateral; Male; Orexin Receptor Antagonists; Piperidines; Prefrontal Cortex; Rats; Sleep; Sleep Initiation and Maintenance Disorders; Triazoles; Wakefulness

Inappropriate verbal and physical sexual behaviour is not common among individuals with dementia, but when it does occur, it can have profound consequences. We report a case of 79-year-old woman with dementia of the Alzheimer's type who complained of increased libido after an increased dose of donepezil, which was being used along with tianeptine. Donepezil withdrawal led to the resolution of increased libido, but when it was reintroduced, increased libido reappeared once again (Naranjo score: 7). Increased libido was not reported by the patient during the 6-year follow-up period after donepezil withdrawal. A potential mechanism of acetylcholinesterase inhibitor-induced increased libido and the current literature on hypersexuality as a side-effect of donepezil treatment are discussed.

Topics: Alzheimer Disease; Antidepressive Agents, Tricyclic; Cholinesterase Inhibitors; Donepezil; Dose-Response Relationship, Drug; Female; Humans; Indans; Libido; Piperidines; Sleep Initiation and Maintenance Disorders; Thiazepines; Treatment Outcome

Topics: Clinical Trials as Topic; Drug Evaluation, Preclinical; Fluorobenzenes; General Practitioners; Humans; Male; Northern Ireland; Piperidines; Scientific Misconduct; Serotonin Antagonists; Sleep Initiation and Maintenance Disorders; Treatment Outcome

Antagonism of orexin receptors has shown clinical efficacy as a novel paradigm for the treatment of insomnia and related disorders. Herein, molecules related to the dual orexin receptor antagonist filorexant were transformed into compounds that were selective for the OX2R subtype. Judicious selection of the substituents on the pyridine ring and benzamide groups led to 6b; which was highly potent, OX2R selective, and exhibited excellent development properties.

Topics: Animals; Dogs; Half-Life; Mice; Orexin Receptor Antagonists; Orexin Receptors; Piperidines; Protein Binding; Pyrimidines; Rats; Sleep Initiation and Maintenance Disorders; Structure-Activity Relationship; Triazoles

Topics: Animals; Arousal; Azabicyclo Compounds; Azepines; Benzodiazepines; Cognitive Behavioral Therapy; Doxepin; Dreams; Histamine Agonists; Histamine Antagonists; Humans; Hypnotics and Sedatives; Hypothalamus; Orexin Receptors; Piperazines; Piperidines; Receptors, G-Protein-Coupled; Receptors, GABA; Receptors, Histamine H3; Receptors, Neuropeptide; Sleep Initiation and Maintenance Disorders; Triazoles

Orexin (hypocretin) neuropeptides promote wakefulness by signaling through two G-protein coupled receptors, Orexin 1 Receptor (OX(1)R) and Orexin 2 Receptor (OX(2)R). MK-6096 is an orally bioavailable potent and selective reversible antagonist of OX(1)R and OX(2)R currently in clinical development for insomnia. In radioligand binding and functional cell based assays MK-6096 demonstrated potent binding and antagonism of both human OX(1)R and OX(2)R (<3 nM in binding, 11 nM in FLIPR), with no significant off-target activities against a panel of >170 receptors and enzymes. MK-6096 occupies 90% of human OX(2)Rs expressed in transgenic rats at a plasma concentration of 142 nM, and dose-dependently reduced locomotor activity and significantly increased sleep in rats (3-30 mg/kg) and dogs (0.25 and 0.5 mg/kg). DORA-22, an analog of MK-6096, exhibits similar sleep promoting properties that are absent OX(1/2)R double knockouts, demonstrating the mechanism of action and specificity of these effects. These findings with a novel, structurally distinct class of OxR antagonists provide further validation of the orexin pathway as an effective target to promote normal sleep. Comparative analysis of the biochemical and pharmacokinetic properties of these compounds relative to other OXR antagonists provides a basis for understanding the attributes critical for in vivo efficacy. This mechanism is distinct from current standard of care such that MK-6096 represents a novel and selective therapeutic for the treatment of insomnia. This article is part of a Special Issue entitled 'Post-Traumatic Stress Disorder'.

Topics: Animals; Dogs; Mice; Orexin Receptors; Piperidines; Pyrimidines; Rats; Receptors, G-Protein-Coupled; Receptors, Neuropeptide; Sleep; Sleep Initiation and Maintenance Disorders

The structure-activity relationships of 2-(piperidin-3-yl)-1H-benzimidazoles, 2-morpholine and 2-thiomorpholin-2-yl-1H-benzimidazoles are described. In the lead optimization process, the pK(a) and/or logP of benzimidazole analogs were reduced either by attachment of polar substituents to the piperidine nitrogen or incorporation of heteroatoms into the piperidine heterocycle. Compounds 9a and 9b in the morpholine series and 10g in the thiomorpholine series demonstrated improved selectivity and CNS profiles compared to lead compound 2 and these are potential candidates for evaluation as sedative hypnotics.

Topics: Benzimidazoles; Central Nervous System; Drug Design; Electrophysiology; ERG1 Potassium Channel; Ether-A-Go-Go Potassium Channels; Histamine H1 Antagonists; Humans; Hypnotics and Sedatives; Inhibitory Concentration 50; Kinetics; Microsomes, Liver; Models, Chemical; Morpholines; Nitrogen; Piperidines; Receptors, Histamine H1; Sleep Initiation and Maintenance Disorders; Structure-Activity Relationship

Insomnia is a common disorder that can be comorbid with other physical and psychological illnesses. Traditional management of insomnia relies on general central nervous system (CNS) suppression using GABA modulators. Many of these agents fail to meet patient needs with respect to sleep onset, maintenance, and next-day residual effects and have issues related to tolerance, memory disturbances, and balance. Orexin neuropeptides are central regulators of wakefulness, and orexin antagonism has been identified as a novel mechanism for treating insomnia with clinical proof of concept. Herein we describe the discovery of a series of α-methylpiperidine carboxamide dual orexin 1 and orexin 2 receptor (OX(1) R/OX(2) R) antagonists (DORAs). The design of these molecules was inspired by earlier work from this laboratory in understanding preferred conformational properties for potent orexin receptor binding. Minimization of 1,3-allylic strain interactions was used as a design principle to synthesize 2,5-disubstituted piperidine carboxamides with axially oriented substituents including DORA 28. DORA 28 (MK-6096) has exceptional in vivo activity in preclinical sleep models, and has advanced into phase II clinical trials for the treatment of insomnia.

Topics: Animals; Brain; Dogs; Drug Discovery; Humans; Hypnotics and Sedatives; Magnetic Resonance Spectroscopy; Models, Molecular; Orexin Receptors; Piperidines; Protein Binding; Pyridines; Rats; Receptors, G-Protein-Coupled; Receptors, Neuropeptide; Sleep; Sleep Initiation and Maintenance Disorders; Stereoisomerism; Structure-Activity Relationship; Triazoles; Wakefulness

Incorporation of fluorine at the 4-position of an existing series of sulfonyl piperidine 5-HT2A antagonists gave compounds with increased selectivity over the IKr potassium channel. This work led to the identification of 3b, a compound that gave no increase in QTc in the anesthetized dog up to plasma levels as high as 148 microM. Furthermore, 3b has been shown to increase slow-wave sleep bout duration and to decrease the number of awakenings in rats, indicating the potential utility of 5-HT2A antagonists in the treatment of insomnia.

Topics: Animals; Dogs; Drug Evaluation, Preclinical; Ligands; Molecular Structure; Piperidines; Rats; Serotonin 5-HT2 Receptor Antagonists; Sleep Initiation and Maintenance Disorders; Structure-Activity Relationship; Time Factors

Topics: Cannabinoids; Dexfenfluramine; Drug Approval; Humans; Obesity; Piperidines; Pyrazoles; Rimonabant; Sleep Initiation and Maintenance Disorders; United States; United States Food and Drug Administration

Topics: Aged; Aggression; Akathisia, Drug-Induced; Antidepressive Agents, Second-Generation; Confusion; Diarrhea; Donepezil; Drug Interactions; Female; Flatulence; Humans; Indans; Male; Nootropic Agents; Paroxetine; Piperidines; Sleep Initiation and Maintenance Disorders

Topics: Akathisia, Drug-Induced; Antipsychotic Agents; Anxiety; Benzodiazepines; Confusion; Female; Humans; Isoxazoles; Middle Aged; Piperidines; Risperidone; Schizophrenia; Schizophrenic Psychology; Sleep Initiation and Maintenance Disorders; Substance Withdrawal Syndrome

Topics: Adult; Female; Humans; Piperidines; Ritanserin; Serotonin Antagonists; Sleep Initiation and Maintenance Disorders

Topics: Adolescent; Adult; Aged; Female; Humans; Hypnotics and Sedatives; Male; Methaqualone; Middle Aged; Neurotic Disorders; Piperidines; Psychotic Disorders; Sleep Initiation and Maintenance Disorders

Topics: Anticonvulsants; Glutethimide; Health Services; Hypnotics and Sedatives; Piperidines; Sleep Initiation and Maintenance Disorders; Sleep Wake Disorders