ritonavir and Kidney-Failure--Chronic

Hepatitis C virus (HCV) infection is an independent risk factor associated with adverse outcomes in patients with end-stage renal disease (ESRD). Due to the wide variety of direct-acting antiviral regimens (DAAs) and the factor of renal insufficiency, careless selection of anti-hepatitis C treatment can lead to treatment failure and safety problems. The integrated evidence for optimized therapies for these patients is lacking. This study would conduct comparisons of different DAAs and facilitate clinical decision-making.. We conducted a systematic literature search in multiple databases (PubMed, Ovid, Embase, Cochrane Library, and Web of Science) up to 7 August 2023. Study data that contained patient characteristics, study design, treatment regimens, intention-to-treat sustained virologic response (SVR), and adverse event (AE) data per regimen were extracted into a structured electronic database and analyzed. The network meta-analysis of the estimation was performed by the Bayesian Markov Chain Monte Carlo methods.. Our search identified 5,278 articles; removing the studies with duplicates and ineligible criteria, a total of 62 studies (comprising 4,554 patients) were included. Overall, the analyses contained more than 2,489 male individuals, at least 202 patients with cirrhosis, and no less than 2,377 patients under hemodialysis. Network meta-analyses of the DAAs found that receiving ombitasvir (OBV)/paritaprevir (PTV)/ritonavir (R) plus dasabuvir (DSV), glecaprevir (G)/pibrentasvir (P), and sofosbuvir (SOF)/ledipasvir (LDV) ranked as the top three efficacy factors for the HCV-infected ESRD patients. Stratified by genotype, the G/P would prioritize genotype 1 and 2 patients with 98.9%-100% SVR, the SOF/DCV regimen had the greatest SVR rates (98.7%; 95% CI, 93.0%-100.0%) in genotype 3, and the OBV/PTV/R regimen was the best choice for genotype 4, with the highest SVR of 98.1% (95% CI, 94.4%-99.9%). In the pan-genotypic DAAs comparison, the G/P regimen showed the best pooled SVR of 99.4% (95% CI, 98.6%-100%). DAA regimens without Ribavirin or SOF showed the lowest rates of AEs (49.9%; 95% CI, 38.4%-61.5%) in HCV-infected ESRD patients.. The G/P could be recommended as the best option for the treatment of pan-genotypic HCV-infected ESRD patients. The OBV/PTV/R plus DSV, SOF/Velpatasvir (VEL), SOF/Ledipasvir (LDV), and SOF/DCV would be reliable alternatives for HCV treatment with comparable efficacy and safety profiles.. https://www.crd.york.ac.uk/prospero/#searchadvanced, PROSPERO: CRD42021242359.

Topics: Antiviral Agents; Bayes Theorem; Hepacivirus; Hepatitis C; Hepatitis C, Chronic; Humans; Kidney Failure, Chronic; Male; Network Meta-Analysis; Ritonavir; Treatment Outcome

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

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

Although hepatitis C virus (HCV) infection is common in patients with end-stage renal disease, highly efficacious, well-tolerated, direct-acting antiviral regimens have not been extensively studied in this population. We investigated the safety and efficacy of ombitasvir co-formulated with paritaprevir and ritonavir, administered with dasabuvir (with or without ribavirin) in a prospective study of patients with stage 4 or 5 chronic kidney disease (CKD).. We performed a single-arm, multicenter study of treatment-naïve adults with HCV genotype 1 infection, without cirrhosis and with CKD stage 4 (estimated glomerular filtration rate, 15-30 mL/min/1.73 m(2)) or stage 5 (estimated glomerular filtration rate, <15 mL/min/1.73 m(2) or requiring hemodialysis). Twenty patients were given ombitasvir co-formulated with paritaprevir and ritonavir, administered with dasabuvir for 12 weeks. Patients with HCV genotype 1a infections also received ribavirin (n = 13), whereas those with genotype 1b infection did not (n = 7). The primary end point was sustained virologic response (serum HCV RNA <25 IU/mL) 12 weeks after treatment ended (SVR12). We collected data on on-treatment adverse events (AEs), serious AEs, and laboratory abnormalities.. All 20 patients completed 12 weeks of treatment. Eighteen of the 20 patients achieved SVR12 (90%; 95% confidence interval: 69.9-97.2). One patient death after the end of the treatment (unrelated to the treatment) and 1 relapse accounted for the 2 non-SVRs. Adverse events were primarily mild or moderate, and no patient discontinued treatment due to an AE. Four patients experienced serious AEs; all were considered unrelated to treatment. Ribavirin therapy was interrupted in 9 patients due to anemia; 4 received erythropoietin. No blood transfusions were performed.. In a clinical trial, the combination of ombitasvir, paritaprevir, and ritonavir, administered with dasabuvir, led to an SVR12 in 90% of patients with HCV genotype 1 infection and stage 4 or 5 CKD. The regimen is well tolerated, though RBV use may require a reduction or interruption to manage anemia. ClinicalTrials.gov ID NCT02207088.

Topics: 2-Naphthylamine; Aged; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Dose-Response Relationship, Drug; Drug Therapy, Combination; Female; Genotype; Hepacivirus; Hepatitis C; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Middle Aged; Proline; Prospective Studies; Ribavirin; Ritonavir; Sulfonamides; Sustained Virologic Response; Uracil; Valine

Vicriviroc is a small-molecule CCR5 antagonist currently in development for the treatment of HIV in patients on a regimen containing a ritonavir-boosted protease inhibitor. As renal disease and renal dysfunction are prevalent in the HIV-infected population, patients with varying degrees of renal insufficiency may receive vicriviroc, which is metabolized by cytochrome P450 (CYP) 3A4. The present study therefore examined the impact of renal insufficiency on the pharmacokinetics and safety of vicriviroc alone and in the presence of ritonavir, a strong CYP3A4 inhibitor.. This study was an open-label, randomized, two-treatment crossover trial conducted in HIV-negative subjects with haemodialysis-dependent end-stage renal disease (ESRD) and healthy subjects with normal renal function matched by age, height, bodyweight and sex. Subjects received a single dose of vicriviroc 75 mg alone in one period, and in another period they received a single dose of vicriviroc 15 mg after 4 days of ritonavir 100 mg once daily. Ritonavir treatment was then continued for an additional 13 days. The two trial periods were separated by an interval of at least 3 weeks. The primary endpoints were the log-transformed area under the plasma concentration-time curve (AUC) and the maximum plasma concentration (C(max)), and the 90% confidence intervals (CIs) of the mean differences between subjects with ESRD and matched healthy subjects. The protocol provided the option of dose modification and further study if the vicriviroc C(max) and AUC values were at least twice as high in subjects with ESRD compared with healthy subjects, or if warranted by other safety and tolerability observations.. Twelve subjects (six with ESRD, six healthy) completed the study. When vicriviroc was administered alone, the mean vicriviroc C(max) and AUC ratio estimates (90% CI) for subjects with ESRD versus healthy subjects were 74% (53, 103) and 84% (49, 145), respectively. When ritonavir was added to the regimen, the ratio estimates (90% CI) were 81% (59, 111) and 134% (105, 171), respectively. Ritonavir plasma concentrations were substantially higher in subjects with ESRD than in healthy subjects. Treatment-emergent adverse events considered possibly or probably related to treatment occurred only during the ritonavir period of the study and in one healthy subject and two subjects with ESRD; all were of mild or moderate severity.. ESRD had no clinically relevant impact on exposure of vicriviroc when vicriviroc was administered alone or in the presence of ritonavir. In this single-dose study, vicriviroc was well tolerated both by healthy subjects and by those with ESRD. Dose adjustment of vicriviroc is therefore not necessary in renally impaired populations.

Topics: Adult; Anti-HIV Agents; Area Under Curve; Case-Control Studies; CCR5 Receptor Antagonists; Cross-Over Studies; Cytochrome P-450 CYP3A; Cytochrome P-450 CYP3A Inhibitors; Dose-Response Relationship, Drug; Enzyme Inhibitors; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Piperazines; Pyrimidines; Renal Dialysis; Ritonavir

Topics: Antiviral Agents; COVID-19; Humans; Hydroxylamines; Kidney Failure, Chronic; Renal Insufficiency, Chronic; Ritonavir

Nirmatrelvir/ritonavir is an effective antiviral therapy against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Use is not recommended in patients with end-stage renal disease (ESDR) due to a lack of data. We investigated the pharmacokinetics of nirmatrelvir/ritonavir (150 mg/100 mg twice a day) in four patients with ESRD undergoing hemodialysis. Nirmatrelvir peak concentrations ranged from 4,563 to 7,898 ng/mL and declined after hemodialysis. Concentrations were up to 4-fold higher but still within the range known from patients without ESRD, without accumulation of nirmatrelvir after the end of treatment.

Topics: Antiviral Agents; COVID-19 Drug Treatment; Humans; Kidney Failure, Chronic; Renal Dialysis; Ritonavir; SARS-CoV-2

The effectiveness of direct-acting antivirals (DAAs) is not well established in end-stage renal disease (ESRD) patients. Assessment of the plasma concentrations may support understanding of their therapeutic outcomes in this population. The aim of this study is to develop a direct, yet matrix-effect tolerant, analytical method for determining DAAs in the plasma of ESRD patients while maintaining a moderate cost per sample and with an improved analyte extraction recovery.. In this study, a liquid chromatography-tandem mass spectrometric (LC-MS/MS) method was developed for the analysis of ombitasvir (OMB), paritaprevir (PRT) and ritonavir (RIT) in plasma. Sample preparation was performed using the liquid-liquid extraction (LLE) method. Isocratic separation was performed using a mixture of methanol and 10 mM ammonium acetate (79:21, v/v) followed by MS/MS detection. The method was validated and applied to determine DAAs in the plasma of ESRD patients (n = 7).. An efficient analytical method for the determination of DAAs is presented. The method overcomes the potential analytical response fluctuation in ESRD. The developed method show improved extraction recoveries and is suitable for routine application in developing economies where hepatitis C virus is most prevalent.

Topics: Adult; Anilides; Antiviral Agents; Carbamates; Chromatography, Liquid; Cyclopropanes; Drug Stability; Female; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Mass Spectrometry; Middle Aged; Plasma; Proline; Ritonavir; Sulfonamides; Valine

Topics: Aged; Betacoronavirus; Cobicistat; Colchicine; Coronavirus Infections; COVID-19; Cytokines; Darunavir; Drug Combinations; Female; Humans; Hydroxychloroquine; Immunosuppressive Agents; Kidney Failure, Chronic; Kidney Transplantation; Lopinavir; Male; Middle Aged; Mycophenolic Acid; Pandemics; Pneumonia, Viral; Ritonavir; SARS-CoV-2; Tacrolimus; Transplant Recipients; Treatment Outcome

An ongoing outbreak of pneumonia associated with the severe acute respiratory coronavirus 2 (SARS-CoV-2) started in Wuhan, China, with cases now confirmed in multiple countries. The clinical course of patients remains to be fully characterized, clinical presentation ranges from asymptomatic infection to acute respiratory distress syndrome and acute renal failure, and no pharmacological therapies of proven efficacy yet exist. We report a case of SARS-CoV-2 infection in a renal transplant recipient with excellent outcome. This case states the importance of close monitoring of the concentration of cyclosporine in patients treated with lopinavir/ritonavir; the routine treatment of corticosteroid can be continued. This is a rare report of SARS-CoV-2 infection in a renal transplant recipient. Further data are needed to achieve better understanding of the impact of immunosuppressive therapy on the clinical presentation, severity, and outcome of SARS-CoV-2 infections in solid organ transplant recipients.

Topics: Adrenal Cortex Hormones; Adult; Betacoronavirus; China; Coronavirus Infections; COVID-19; Cyclosporine; Disease Outbreaks; Drug Combinations; Humans; Immunosuppression Therapy; Immunosuppressive Agents; Kidney Failure, Chronic; Kidney Transplantation; Living Donors; Lopinavir; Male; Pandemics; Pneumonia, Viral; Reverse Transcriptase Polymerase Chain Reaction; Ritonavir; SARS-CoV-2; Tomography, X-Ray Computed; Transplant Recipients; Treatment Outcome

During the novel coronavirus pandemic, organ transplant recipients represent a frail susceptible category due to long-term immunosuppressive therapy. For this reason, clinical manifestations may differ from general population and different treatment approaches may be needed. We present the case of a 36-year-old kidney-transplanted woman affected by Senior-Loken syndrome diagnosed with COVID-19 pneumonia after a contact with her positive mother. Initial symptoms were fatigue, dry cough, and coryza; she never had fever nor oxygen supplementation. Hydroxychloroquine and lopinavir/ritonavir were started, and the antiviral drug was replaced with darunavir/cobicistat after 2 days for diarrhea. Immunosuppressant levels were closely monitored, and we observed very high tacrolimus trough levels despite initial dose reduction. The patient was left with steroid therapy alone. The peculiarity of clinical presentation and the management difficulties represent the flagship of our case report. We stress the need for guidelines in transplant recipients with COVID-19 infection with particular regard to the management of therapy.

Topics: Adult; Antiviral Agents; Betacoronavirus; C-Reactive Protein; Ciliopathies; Cobicistat; Common Cold; Coronavirus Infections; Cough; COVID-19; COVID-19 Drug Treatment; Cytochrome P-450 CYP3A Inhibitors; Darunavir; Deprescriptions; Drug Combinations; Drug Interactions; Enzyme Inhibitors; Fatigue; Female; Glucocorticoids; Graft Rejection; Humans; Hydroxychloroquine; Immunocompromised Host; Immunosuppressive Agents; Interleukin-10; Interleukin-1beta; Interleukin-6; Interleukin-8; Kidney Diseases, Cystic; Kidney Failure, Chronic; Kidney Transplantation; Leber Congenital Amaurosis; Lopinavir; Methylprednisolone; Optic Atrophies, Hereditary; Pandemics; Pneumonia, Viral; Ritonavir; SARS-CoV-2; Severity of Illness Index; Tacrolimus

The current coronavirus disease 2019 (COVID-19) pandemic requires extra attention for immunocompromised patients, including solid organ transplant recipients. We report on a case of a 35-year-old renal transplant recipient who suffered from a severe COVID-19 pneumonia. The clinical course was complicated by extreme overexposure to the mammalian target of rapamycin inhibitor everolimus, following coadministration of chloroquine and lopinavir/ritonavir therapy. The case is illustrative for dilemmas that transplant professionals may face in the absence of evidence-based COVID-19 therapy and concurrent pressure for exploration of experimental pharmacological treatment options. However, the risk-benefit balance of experimental or off-label therapy may be weighed differently in organ transplant recipients than in otherwise healthy COVID-19 patients, owing to their immunocompromised status and potential drug interactions with immunosuppressive therapy. With this case report, we aimed to achieve increased awareness and improved management of drug-drug interactions associated with the various treatment options for COVID-19 in renal transplant patients.

Topics: Adult; Antiviral Agents; Betacoronavirus; Chloroquine; Coronavirus Infections; COVID-19; Drug Combinations; Drug Interactions; Everolimus; Humans; Immunocompromised Host; Immunosuppressive Agents; Kidney Failure, Chronic; Kidney Transplantation; Lopinavir; Male; Netherlands; Pandemics; Pneumonia, Viral; Radiography, Thoracic; Ritonavir; SARS-CoV-2; Transplant Recipients; Treatment Outcome

The fatality of novel coronavirus disease 2019 (COVID-19) is precipitously increased in patients with underlying comorbidities or elderly people. Kidney transplant (KT) recipients are one of the vulnerable populations for infection. COVID-19 infection in KT recipients might be a complicated and awkward situation, but there has been a lack of reports concerning this group. Herein, we demonstrated two distinct cases with different clinical progress. The first case was a 36-year-old man who underwent KT 3 years ago. He was diagnosed with COVID-19 expressing relevant symptoms. Following administration of lopinavir/ritonavir and hydroxychloroquine with reduced immunosuppressant, he recovered from COVID-19. However, the unexpected fluctuations in tacrolimus trough levels needed to be managed because of drug-to-drug interaction. The second case was developed in a 56-year-old man without any symptoms. He received a second KT from an ABO-incompatible donor 8 years ago. He was diagnosed with COVID-19 by screening due to exposure history. During the hospitalization period, the chest infiltrative lesion showed a wax and wane, but he successfully recovered by administration of hydroxychloroquine with azithromycin. These apparently different cases suggest that assertive screening and management could improve the clinical course. In addition, antiviral agents should be used cautiously, especially in patients on calcineurin inhibitors.

Topics: Adult; Antiviral Agents; Azithromycin; Betacoronavirus; Calcineurin Inhibitors; Coronavirus Infections; COVID-19; COVID-19 Drug Treatment; Drug Combinations; Drug Interactions; Humans; Hydroxychloroquine; Immunosuppressive Agents; Kidney Failure, Chronic; Kidney Transplantation; Lopinavir; Male; Middle Aged; Pandemics; Pneumonia, Viral; Ritonavir; SARS-CoV-2; Tacrolimus; Transplant Recipients

Treatment of hepatitis C virus (HCV) infection in patients with chronic kidney disease was difficult in the past because of the use of interferon (IFN). It was associated with high risk IFN-related adverse reactions due to reduced renal clearance of IFN. This study aimed to evaluate the antiviral efficacy, safety, and tolerability of ombitasvir/paritaprevir/ritonavir/ribavirin in chronic kidney disease patients infected with chronic HCV.This observational, open-label prospective study was carried out on 103 patients infected chronic HCV with different grades of renal impairment. Paritaprevir/ritonavir and ombitasvir (75/50/12.5 mg) twice daily plus ribavirin were given to the patients for 12 weeks. Dose adjustment of ribavirin was done according to degree of renal impairment.Sustained virological response (12 weeks after the end of treatment) occurred in 101 patients (98.1%). Anemia occurred in 48 patients. No serious adverse events were observed in any patient.Paritaprevir/ritonavir and ombitasvir plus ribavirin for 12 weeks was considered to be safe and effective in the treatment of chronic HCV infected patients with varying degrees of renal impairment.

Topics: Adult; Aged; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Drug Therapy, Combination; Egypt; Female; Hepatitis C, Chronic; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Middle Aged; Proline; Prospective Studies; Ribavirin; Ritonavir; Sulfonamides; Sustained Virologic Response; Valine

The recent development of direct-acting antiviral agents (DAAs) has dramatically changed the treatment of chronic hepatitis C, and interferon-based regimes have become a poor treatment choice in clinical practice. Today DAAs offer shorter, well-tolerated, highly effective curative therapies. This study aimed to evaluate the effectiveness and safety of DAAs in patients with end-stage renal disease and HCV genotype 1 infection in real clinical practice.. Thirty-six patients who attended our clinic, were diagnosed with chronic hepatitis C (CHC), undergoing hemodialysis, and fulfilled the criteria of age >18 years, genotype 1 infection, with a detectable HCV RNA level were considered for the study. Patients with GT1a infection received OBV/PTV/r plus DSV plus RBV for 12 weeks; GT1b infected patients received this regimen without RBV for 12 weeks.. The study was conducted on 33 patients. The mean age was 52.30 ±13.77 years, and 70 % of them were male. By the fourth week of treatment, HCV RNA levels decreased below 15 IU/ml in all patients. Sustained virologic response (SVR) 12 rate was 100%. Nine patients had side effects during treatment. Of the patients with side effects, 89.9% were in group 1a and 11.1% in group 1b.. In this study, treatment with OBV/PTV/r and DSV with or without RBV resulted in high rates of sustained virologic response in HCV GT1-infected patients with end-stage renal disease (ESRD). SVR was achieved in all patients with few side effects.

Topics: 2-Naphthylamine; Adult; Aged; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Drug Therapy, Combination; Female; Genotype; Hepacivirus; Hepatitis C, Chronic; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Middle Aged; Proline; Ribavirin; Ritonavir; RNA, Viral; Statistics, Nonparametric; Sulfonamides; Sustained Virologic Response; Time Factors; Treatment Outcome; Uracil; Valine; Young Adult

We report three cases of genotype 1b hepatitis C virus (HCV) reinfection after liver transplantation. When antiviral treatment was considered, all three patients had renal dysfunction and had been treated with immunosuppressive agents for a long time; one with tacrolimus (TAC) and the others with cyclosporine A (CyA). Therefore, the possible antiviral regimens among direct-acting antivirals (DAA) were limited and so we treated all three patients with ombitasvir/paritaprevir/ritonavir (OBV/PTV/r). Because ritonavir is known to markedly increase the blood concentration of TAC and CyA through drug-drug interactions, close monitoring of blood concentrations of TAC or CyA and dose adjustments of immunosuppressive agents were needed. Sustained virus response was achieved in all the patients treated, and there were no adverse effects or transplant rejection. OBV/PTV/r might be a useful DAA regimen for patients with genotype 1 HCV reinfection in the setting of renal dysfunction.

Topics: Aged; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Drug Interactions; Drug Monitoring; Female; Genotype; Hepacivirus; Hepatitis C, Chronic; Humans; Immunosuppressive Agents; Kidney Failure, Chronic; Lactams, Macrocyclic; Liver Transplantation; Macrocyclic Compounds; Male; Middle Aged; Proline; Ritonavir; Sulfonamides; Valine; Virus Activation

Till now, pooled data about the safety and efficacy of different direct-acting antiviral (DAAs) regimens in different renal situations are still under evaluation.. To evaluate a real-life experience of the efficacy and safety of ombitasvir/paritaprevir/ritonavir plus ribavirin (OBV/PTV/r plus RIB) in patients with end-stage kidney disease (ESKD).. Between January 2017 and January 2018, an open-label multicenter prospective study was designed to enroll all consecutive patients with proven CHC genotype 4 infections and concomitant ESKD based on estimated glomerular filtration rate (eGFR) with (HD group) or without hemodialysis (non-HD group). Patients were given a co-formula of OBV/PTV/r (25/150/100 mg) once-daily plus RIB was given for 12 weeks. Sustained virologic response (SVR 12) was the primary endpoint.. A total of 110 patients were enrolled. An overall SVR 12 was reported in 104 (94.5%) patients, and treatment failure were reported in 6 patients [2 patients (1.8%) were relapsed, and 4 patients (3.6%) patients were non-responders]. SVR12 was 96% in HD and 91.4% in non-HD patients (P = 0.286). There were no reported serious adverse events. Anemia was reported in 66.6% (n = 50) in HD group and in 31.4% (n = 11) in non-HD group.. Although it is still challenging, achievement of SVR12 in patients with chronic HCV and concomitant end-stage kidney disease in the era of DAAs became possible with a 12 weeks course of a co-formula of ombitasvir/paritaprevir /ritonavir plus ribavirin. CLINICALTRIALS.. NCT03341988.

Topics: Adult; Aged, 80 and over; Algorithms; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Drug Combinations; Female; Genotype; Hepacivirus; Hepatitis C, Chronic; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Middle Aged; Proline; Prospective Studies; Ribavirin; Ritonavir; Sulfonamides; Treatment Outcome; Valine

As the most common liver disease in hemodialysis patients, chronic hepatitis C (CHC) can cause cirrhosis and hepatocellular carcinoma, even increase in renal-related mortality. In Turkey, the frequency of anti-hepatitis C virus (HCV) antibodies in hemodialysis patients ranged from 31.4% to 51%. Until recently, the mainstay of the CHC treatment for these patients was pegylated interferon with potential toxicities and low sustained virological response. The 3D regimen, a combination of four drugs (ombitasvir, paritaprevir, dasabuvir, and ritonavir), has recently been used for patients with chronic kidney disease infected with genotype 1a and 1b HCV. The aim of the present study was to present results of 3D treatment for patients with hemodialysis-dependent chronic renal failure (CRF) who were chronically infected with HCV.. Overall, 25 patients with hemodialysis-dependent CRF who were infected with genotype 1a/1b HCV have been treated using the 3D regimen in our gastroenterology clinic between July 2016 and October 2017. Three patients were administered additional ribavirin 200 mg/day. Serum HCV RNAs, blood chemistry, blood count, and side effects were recorded at 0, 4, and 12 weeks.. All 25 patients completed and well tolerated their planned treatment. At the end of 4 weeks, the viral response (defined as HCV RNA clearance) rate was 92%. At the end of 12 weeks of treatment and 3 months after treatment, viral response rates were both 100%.. We observed that the treatment with 3D regimen in hemodialysis patients infected with genotype 1 hepatitis C is highly effective and well tolerated.

Topics: 2-Naphthylamine; Adult; Aged; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Drug Therapy, Combination; Female; Genotype; Hepacivirus; Hepatitis C, Chronic; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Middle Aged; Proline; Renal Dialysis; Ritonavir; Sulfonamides; Sustained Virologic Response; Turkey; Uracil; Valine

The introduction of direct-acting antiviral agents has allowed significant chances for treatment for difficult-to-treat populations. This study aimed to investigate the efficacy, tolerability, and safety of these therapies in both patients with end-stage renal disease and kidney transplant recipients with chronic hepatitis C virus infection.. This study was a retrospective analysis with prospective follow-up of patients. The antiviral combination of ombitasvir 25 mg, paritaprevir 75 mg, ritonavir 50 mg, and dasabuvir 50 mg was prescribed to patients with end-stage renal disease or kidney transplant recipients with noncirrhotic or compensated cirrhotic liver disease. The other antiviral combination consisted of sofosbuvir 400 mg and ledipasvir 90 mg, which was recommended to patients with decompensated cirrhosis or those who could not tolerate the first combination regimen. Ribavirin was given to all patients with genotype 1a hepatitis C virus infection. All clinical and laboratory data were recorded at week 4, at end of the treatment, and at 12 weeks after completion of treatment.. In terms of efficacy, sustained virologic response at 12 weeks was achieved in 94% of patients in the end-stage renal disease group and 92% of patients in the kidney transplant group. In terms of tolerability, antiviral treatment was well tolerated in both groups. Cardiac arrest and cerebrovascular accident were seen in the end-stage renal disease group; severe mucositis and glossitis were seen in the kidney transplant group. Hospitalization was needed in 2 patients for treatment of drug interactions with tacrolimus and sirolimus. Renal allograft function worsened in 2 patients, with 1 patient having biopsyproven antibody-mediated rejection.. We observed great efficacy and safety in both kidney transplant recipients and patients with end-stage renal disease with these agents in treatment of chronic hepatitis C. However, clinicians should remain aware of drug interactions and adverse events in this fragile patient population.

Topics: 2-Naphthylamine; Adult; Aged; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Drug Interactions; Drug Therapy, Combination; Female; Genotype; Hepacivirus; Hepatitis C, Chronic; Humans; Immunosuppressive Agents; Kidney Failure, Chronic; Kidney Transplantation; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Middle Aged; Proline; Prospective Studies; Retrospective Studies; Ribavirin; Risk Factors; Ritonavir; Sulfonamides; Sustained Virologic Response; Time Factors; Treatment Outcome; Uracil; Valine

Organ transplantation among people living with human immunodeficiency virus (PLHIV) is increasing. Guidelines recommend any changes in antiretroviral therapy (ART) prior to transplantation, but there are limited data regarding ART changes post transplantation. We report a case where an ART switch from a protease inhibitor-based regimen to dolutegravir plus emtricitabine/tenofovir alafenamide in a renal transplant recipient led to subtherapeutic tacrolimus concentrations and an increased serum creatinine (SCr). A workup for graft rejection was performed (including kidney biopsy and cytomegalovirus and BK virus polymerase chain reaction) following the rise in SCr, which was higher than expected from dolutegravir initiation (via organ cation transporter 2 inhibition). This case highlights the potential challenges of switching ART regimens in PLHIV post transplantation.

Topics: Anti-HIV Agents; Anti-Retroviral Agents; Creatinine; Drug Interactions; Drug Substitution; Heterocyclic Compounds, 3-Ring; HIV Infections; Humans; Kidney; Kidney Failure, Chronic; Kidney Transplantation; Male; Middle Aged; Oxazines; Piperazines; Pyridones; Ritonavir; Treatment Outcome

Chronic hepatitis C (HCV) virus infection reactivates under immunosuppressive drugs and therefore has a negative impact on long-term survival of kidney transplant recipients. Treatment-induced clearance of hepatitis C virus (HCV) in kidney transplant candidates prevents virus reactivation after transplantation. Paritaprevir/Ritonavir/Ombitasvir with Dasabuvir (PrOD) represents a highly effective treatment regimen for HCV genotype 1 (GT1), also suitable for patients with end-stage renal disease (ESRD). Serious drug-drug interactions may represent a limiting factor of this regimen. The aim of this retrospective study was to evaluate safety, efficacy and drug-drug interactions management associated with PrOD treatment in the Czech real-world cohort.. Emphasizing concomitant medication adjustment, we described the treatment course with PrOD regimen in 23 patients (4 with CKD4 and 19 on maintenance haemodialysis) infected with HCV GT1 (21 GT1b, 2 GT1a), 18 males and 5 females with an average age of 53.7 years. Six patients had compensated liver cirrhosis and 3 of them were liver transplant recipients.. All 23 patients completed the 12-week treatment and achieved sustained virological response 12 weeks after the treatment (SVR12 rate 100%). None of the patients presented with a significant decrease in haemoglobin level, white blood cell and platelet count during the treatment period. The most frequent adverse events were nausea, hypotension, diarrhoea, and hyperkalemia. Four patients presented with a serious adverse event unrelated to the antiviral drugs (salmonellosis, non-functional kidney graft rejection, early gastric cancer, renal cyst infection, initiation of haemodialysis). Concomitant medication had to be modified with the treatment initiation in 10 out of 23 (43.5%) patients (calcium channel blockers, ACE inhibitors, statins, diuretics, tacrolimus); four patients required further adjustment of antihypertensive drugs or tacrolimus dosage on-treatment.. PrOD regimen demonstrated an excellent efficacy and good tolerability. Both prospective adjustment of concomitant medication and further on-treatment adjustment allowed for a safe treatment course.

Topics: 2-Naphthylamine; Anilides; Antihypertensive Agents; Antiviral Agents; Carbamates; Cyclopropanes; Drug Therapy, Combination; Female; Genotype; Hepacivirus; Hepatitis C, Chronic; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Middle Aged; Proline; Renal Insufficiency; Ritonavir; Sulfonamides; Treatment Outcome; Uracil; Valine

Successful use of a 4-drug oral fixed-dose combination therapy to treat chronic hepatitis C in a patient receiving peritoneal dialysis (PD) is reported.. New highly effective treatments for chronic hepatitis C virus (HCV) infection are now available, but safety and efficacy data on the use of anti-HCV therapies in patients with renal failure, particularly those requiring PD, remain limited. A 73-year-old black man with chronic HCV genotype 1a infection and stage 5 chronic renal disease requiring daily automated PD was referred for HCV treatment prior to renal transplantation. HCV treatment was initiated with paritaprevir-ritonavir-ombitasvir- dasabuvir, or "PrOD" (a combination tablet containing paritaprevir 75 mg, ritonavir 50 mg, and ombitasvir 12.5 mg to be taken once daily and a dasabuvir sodium 250-mg tablet to be taken twice daily), in conjunction with ribavirin 200 mg once daily. After a 12-week course of PrOD therapy, during which ribavirin therapy was tapered and then discontinued at week 10 and subcutaneous epoetin alfa was administered for anemia control from weeks 4 to 12, the patient's HCV viral load was undetectable; a sustained virologic response at 12 weeks (SVR12) was noted.. A patient with end-stage renal disease requiring PD was treated successfully for HCV genotype 1a infection with PrOD fixed-dose combination therapy plus ribavirin therapy. The patient achieved an SVR12 despite withdrawal of ribavirin at treatment week 10, with minimal adverse effects reported.

Topics: 2-Naphthylamine; Aged; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Drug Administration Schedule; Drug Combinations; Hepatitis C, Chronic; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Macrocyclic Compounds; Male; Peritoneal Dialysis; Proline; Ritonavir; Sulfonamides; Treatment Outcome; Uracil; Valine

Hepatitis C virus infection is common among patients on hemodialysis therapy and is an important cause of morbidity and mortality. We investigated the safety and effectiveness of a paritaprevir/ritonavir/ombitasvir/dasabuvir regimen in a group of 10 patients on hemodialysis therapy with genotype 1a, 1b, or 4 hepatitis C virus infection who had predictors of unfavorable response, such as compensated cirrhosis (7 patients) or advanced fibrosis and failure of previous therapy (3 patients). The treatment, with or without ribavirin, was administered daily for 12 or 24 weeks. Clinical and virologic assessment was performed every 4 weeks during the treatment and at posttreatment weeks 4 and 12. All patients achieved a sustained virologic response at posttreatment week 12. 80% of patients reported at least one adverse event: fatigue and anemia of mild intensity were the most common; a single episode of moderate liver decompensation was observed. The paritaprevir/ritonavir/ombitasvir/dasabuvir antiviral regimen is effective and well tolerated in genotype 1 or 4 hepatitis C virus-infected patients on hemodialysis therapy with compensated cirrhosis and/or failure of previous treatments.

Topics: 2-Naphthylamine; Anilides; Antiviral Agents; Carbamates; Cyclopropanes; Drug Therapy, Combination; Hepatitis C, Chronic; Humans; Kidney Failure, Chronic; Lactams, Macrocyclic; Liver Cirrhosis; Macrocyclic Compounds; Male; Middle Aged; Proline; Renal Dialysis; Ritonavir; Severity of Illness Index; Sulfonamides; Treatment Outcome; Uracil; Valine

Ritonavir is an extremely strong inhibitor of P450 cytochrome 3A, which is the main metabolizing enzyme of tacrolimus. Subsequently, the pharmacokinetics of tacrolimus are affected to a large extend by the coadministration of ritonavir in HIV-infected transplant recipients. Therefore, to prevent overexposure directly posttransplantation in HIV-infected patients on ritonavir-containing cART, the predictive value of a pretransplantation pharmacokinetic curve of tacrolimus was explored.. A pretransplantation pharmacokinetic model of tacrolimus in these patients was developed, and a posttransplantation dosing advice was established for each individual patient. The pharmacokinetic population parameters were compared with HIV-negative patients, and predictive value of the pretransplantation curves was assessed in patients after the transplantation procedure.. No significant difference was found between the model-predicted and actual posttransplantation 24 h-tacrolimus levels (14.6 vs. 17.8 ng/mL, P=0.19). As the simulated pharmacokinetic curves lacked an absorption peak every 12 h, the mean 12 h-AUC was approximately 40 % lower compared with AUC's reported in HIV-negative recipients, when similar trough levels were targeted.. In conclusion, pretransplantation curves of tacrolimus seem a promising tool to prevent overexposure directly posttransplantation in patients on ritonavir-containing cART and raising trough levels to achieve an exposure equivalent to HIV-negative recipients is suggested.

Topics: Adult; AIDS-Associated Nephropathy; Area Under Curve; Biotransformation; Computer Simulation; Cytochrome P-450 CYP3A; Cytochrome P-450 CYP3A Inhibitors; Drug Interactions; Drug Monitoring; Enzyme Inhibitors; HIV Infections; HIV Protease Inhibitors; Humans; Immunosuppressive Agents; Kidney Failure, Chronic; Kidney Transplantation; Male; Middle Aged; Models, Biological; Pilot Projects; Ritonavir; Tacrolimus

To evaluate the pharmacokinetics and pharmacogenomics of efavirenz (EFV) and lopinavir/ritonavir (LPV/RTV) in HIV-infected persons requiring hemodialysis.. Prospective, observational study of HIV-infected hemodialysis patients receiving one 600 mg tablet daily of EFV (N = 13) or three 133.3/33.3 mg capsules twice daily of LPV/RTV (N = 13).. Twenty-four-hour EFV and 12-h LPV/RTV pharmacokinetics were assessed. Geometric mean ratios were calculated using historical controls with normal renal function. The effects of several candidate gene polymorphisms were also explored.. The geometric mean [95% confidence interval (CI); percentage of coefficient of variation (% CV)] Cmin, Cmax, and area under the curve (AUC) for the EFV group were 1.81 microg/ml (0.93, 3.53; 103%), 5.04 microg/ml (3.48, 7.29; 72%), and 71.5 microg h/ml (43.2, 118.3; 93%), respectively. These parameters were 2.76 microg/ml (1.86, 4.11; 53%), 8.45 microg/ml (6.41, 11.15; 52%), and 69.6 microg h/ml (55.6, 87.2; 37%) for LPV and 0.08 microg/ml (0.05, 0.14; 63%), 0.58 microg/ml (0.44, 0.76; 41%), and 3.74 microg h/ml (2.91, 4.80; 37%) for RTV. The AUC geometric mean ratios (90% CI) for EFV, LPV, and RTV were 132% (89, 197), 81% (67, 97), and 92% (76, 111), respectively. LPV Cmin was lower than expected in the hemodialysis group. Higher EFV concentrations were associated with the CYP2B6 516G>T polymorphism.. The pharmacokinetics of EFV and LPV/RTV in hemodialysis suggests that no dosing adjustments are necessary in treatment-naive patients. As HIV-infected hemodialysis patients are disproportionately black, the increased frequency of the CYP2B6 516G>T polymorphism may lead to higher EFV levels. The potentially lower LPV trough levels in this population suggest that LPV/RTV should be used with caution in protease-inhibitor-experienced patients.

Topics: Adult; Alkynes; Anti-HIV Agents; Benzoxazines; Cyclopropanes; Drug Combinations; Female; HIV Infections; HIV Protease Inhibitors; HIV-1; Humans; Kidney Failure, Chronic; Lopinavir; Male; Middle Aged; Polymorphism, Single Nucleotide; Prospective Studies; Pyrimidinones; Renal Dialysis; Reverse Transcriptase Inhibitors; Ritonavir

This report describes a 47-year-old woman with human immunodeficiency virus (HIV) and end-stage renal disease on hemodialysis, treated with combination antiretroviral drug therapy, who developed an acute, severe type B lactic acidosis 24 hours after homograft root replacement for endocarditis. She fully recovered after HIV medication was discontinued, along with administration of riboflavin and supportive measures including hemodialysis. The timing of this complication and previous reports suggest that open heart surgery may be a risk factor for nonischemic (type B) lactic acidosis in patients taking nucleoside analogue reverse transcriptase inhibitors.

Topics: Acidosis, Lactic; Anti-HIV Agents; Aortic Valve; Female; Heart Valve Prosthesis; HIV Infections; HIV Protease Inhibitors; Humans; Indinavir; Kidney Failure, Chronic; Lamivudine; Middle Aged; Postoperative Complications; Renal Dialysis; Reverse Transcriptase Inhibitors; Ritonavir; Stavudine

Topics: Acquired Immunodeficiency Syndrome; Adult; Anti-HIV Agents; HIV Protease Inhibitors; HIV-1; Humans; Kidney Failure, Chronic; Male; Nevirapine; Peritoneal Dialysis, Continuous Ambulatory; Ritonavir

Topics: Acute Kidney Injury; Adult; HIV Infections; HIV Protease Inhibitors; Humans; Kidney Failure, Chronic; Male; Ritonavir