tryptophan and Psychotic Disorders

tryptophan has been researched along with Psychotic Disorders in 42 studies

Research

Studies (42)

TimeframeStudies, this research(%)All Research%
pre-199020 (47.62)18.7374
1990's5 (11.90)18.2507
2000's4 (9.52)29.6817
2010's10 (23.81)24.3611
2020's3 (7.14)2.80

Authors

AuthorsStudies
Maes, M1
Corsi-Zuelli, F; da Roza, DL; Del-Ben, CM; Deminice, R; Fachim, HA; Jordão, AA; Loureiro, CM; Louzada-Junior, P; Menezes, PR; Shuhama, R; Simões-Ambrosio, LMC1
Carvalho, AF; Geffard, M; Kanchanatawan, B; Maes, M; Sirivichayakul, S; Sriswasdi, S; Stoyanov, D; Thika, S1
Guadagno, E; Li, C; Ramamurthy, J; Trakadis, Y; Wang, A; Wang, C; Zhang, E1
Baldessarini, RJ; Comparelli, A; Corigliano, V; Curto, M; Fazio, F; Ferracuti, S; Lionetto, L; Nicoletti, F; Simmaco, M1
Agartz, I; Andreassen, OA; Bogdanov, M; Dieset, I; Djurovic, S; Hope, S; Jönsson, EG; Kaddurah-Daouk, R; Matson, W; Melle, I; Smeland, OB; Steen, NE; Vedal, TSJ1
Bezrukov, MV; Shilov, IuE1
Badawy, A1
Young, SN1
Badawy, AA1
Bergink, V; Burgerhout, KM; Drexhage, HA; Hoogendijk, WJ; Kushner, SA; Myint, AM; Schütze, G; Schwarz, MJ; Veen, C1
Bhat, M; Cannon, TD; Engberg, G; Erhardt, S; Hultman, CM; Johansson, V; Kegel, ME; Landén, M; Schuppe-Koistinen, I; Schwieler, L; Wetterberg, L1
Barry, S; Clarke, G; Dinan, TG; Scully, P1
Condray, R; Dougherty, GG; Haas, GL; Kaddurah-Daouk, R; Keshavan, MS; Matson, WR; McEvoy, J; Montrose, DM; Reddy, RD; Yao, JK1
MCILWAIN, H; RODNIGHT, R1
EDELSTEIN, EL; KRASSILOWSKY, D1
RYSANEK, K; SMAHEL, O; SMAHELOVA, R; VITEK, V; VOJTECHOVSKY, M1
HEELEY, AF; ROBERTS, GE2
Booij, L; Riedel, WJ; Van der Does, AJ1
Crayton, JW; Hedeker, D; Hitsman, B; Pingitore, R; Spring, B; Wolf, W1
Menkes, JH1
Korf, J; van den Burg, W; van den Hoofdakker, RH1
Brewerton, TD; Reus, VI1
Uebelhack, R1
Delgado, PL; Gelenberg, AJ; Laukes, C; Moreno, F; Strayer, L1
Davis, JM; Kamath, SK; Shapiro, LE; Sharma, RP; Soll, EA; Watanabe, MD1
Heninger, GR1
Brammer, GL; Caspi, A; Fawcett, JP; Moffitt, TE; Raleigh, M; Silva, P; Yuwiler, A1
Bruijn, JA; Fekkes, D; Hoekstra, R; Mulder, PG; Pepplinkhuizen, L; van den Broek, WW1
Tissot, R1
Lovett Doust, JW1
Moody, JP; Naylor, G; Peet, M; Walker, P; Worrall, EP1
Jakomow, B; Puzyński, S1
Forhman, CE; Gottlieb, JS; Piggott, LR; Ward, VL1
Jacobs, MP; Maes, M; Minner, B; Raus, J; Suy, E; Vandewoude, M1
Harvey, NS1
Kanig, K; Oesterle, W1
Kanig, K1
Ottosson, JO; Rapp, W1
Durkó, I; Huszák, I; Karsai, K1
Cowen, MA1

Reviews

9 review(s) available for tryptophan and Psychotic Disorders

ArticleYear
Metabolomics in patients with psychosis: A systematic review.
    American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics, 2018, Volume: 177, Issue:6

    Topics: 3-Hydroxybutyric Acid; Aspartic Acid; Biomarkers; Bipolar Disorder; Creatine; Female; Glutamic Acid; Glutathione; Humans; Kynurenine; Lactic Acid; Linoleic Acid; Male; Metabolome; Metabolomics; Psychotic Disorders; Schizophrenia; Serine; Tryptophan

2018
[Kynurenines in pathogenesis of endogenous psychiatric disorders].
    Vestnik Rossiiskoi akademii meditsinskikh nauk, 2013, Issue:1

    Topics: Humans; Hydroxyindoleacetic Acid; Kynurenine; Mental Disorders; Psychotic Disorders; Tryptophan; Xanthurenates

2013
Novel nutritional treatment for manic and psychotic disorders: a review of tryptophan and tyrosine depletion studies and the potential of protein-based formulations using glycomacropeptide.
    Psychopharmacology, 2013, Volume: 228, Issue:3

    Topics: Bipolar Disorder; Brain; Caseins; Humans; Neuropsychological Tests; Nutritional Requirements; Peptide Fragments; Psychotic Disorders; Tryptophan; Tyrosine

2013
Monoamine depletion in psychiatric and healthy populations: review.
    Molecular psychiatry, 2003, Volume: 8, Issue:12

    Topics: alpha-Methyltyrosine; Amino Acids; Biogenic Monoamines; Humans; Mental Disorders; Psychotic Disorders; Reference Values; Tryptophan

2003
Serotonin, sex, and psychiatric illness.
    Proceedings of the National Academy of Sciences of the United States of America, 1997, May-13, Volume: 94, Issue:10

    Topics: Affect; Axons; Brain; Cognition; Emotions; Feeding and Eating Disorders; Female; Humans; Male; Mental Disorders; Psychotic Disorders; Serotonin; Sex Characteristics; Tryptophan

1997
The common pathophysiology of monaminergic psychoses: a new hypothesis.
    Neuropsychobiology, 1975, Volume: 1, Issue:4

    Topics: 5-Hydroxytryptophan; Amino Acids; Biological Transport, Active; Bipolar Disorder; Blood-Brain Barrier; Brain; Catecholamines; Clomipramine; Dihydroxyphenylalanine; Dopamine; Electroconvulsive Therapy; Humans; Lithium; Lysergic Acid Diethylamide; Models, Biological; Monoamine Oxidase Inhibitors; Psychotic Disorders; Schizophrenia; Serotonin; Tranquilizing Agents; Tryptophan; Tyrosine

1975
Disturbances in tryptophan and serotonin metabolism in affective psychoses and schizophrenia.
    Polish journal of pharmacology and pharmacy, 1975, Volume: 27, Issue:Suppl

    Topics: Affective Symptoms; Depression; Humans; Psychotic Disorders; Schizophrenia; Serotonin; Tryptophan

1975
Psychiatric disorders in parkinsonism. 1. Functional illnesses and personality.
    Psychosomatics, 1986, Volume: 27, Issue:2

    Topics: Antidepressive Agents; Clozapine; Depressive Disorder; Dopamine; Electroconvulsive Therapy; Female; Homovanillic Acid; Humans; Levodopa; Male; Mental Disorders; Nomifensine; Nortriptyline; Parkinson Disease; Personality; Psychotic Disorders; Serotonin; Tryptophan

1986
[Biochemical treatment possibilities in psychoses].
    Die Medizinische Welt, 1969, Sep-06, Volume: 36

    Topics: Amino Acids; Ascorbic Acid; Dihydroxyphenylalanine; Humans; Methionine; Niacinamide; Nicotinic Acids; Phenylalanine; Psychotic Disorders; Pyridoxine; Schizophrenia; Tryptophan; Tyrosine

1969

Trials

4 trial(s) available for tryptophan and Psychotic Disorders

ArticleYear
3-Hydroxykynurenine and clinical symptoms in first-episode neuroleptic-naive patients with schizophrenia.
    The international journal of neuropsychopharmacology, 2011, Volume: 14, Issue:6

    Topics: Adolescent; Adult; Antipsychotic Agents; Brief Psychiatric Rating Scale; Chromatography, High Pressure Liquid; Diagnostic and Statistical Manual of Mental Disorders; Humans; Kynurenine; Monte Carlo Method; Neuropsychological Tests; Psychotic Disorders; Schizophrenia; Tryptophan; Young Adult

2011
Lithium carbonate and L-tryptophan in the treatment of bipolar and schizoaffective disorders.
    The American journal of psychiatry, 1983, Volume: 140, Issue:6

    Topics: Adult; Bipolar Disorder; Clinical Trials as Topic; Double-Blind Method; Drug Synergism; Drug Therapy, Combination; Female; Humans; Lithium; Lithium Carbonate; Male; Psychiatric Status Rating Scales; Psychotic Disorders; Tryptophan

1983
Acute dietary tryptophan depletion: effects on schizophrenic positive and negative symptoms.
    Neuropsychobiology, 1997, Volume: 35, Issue:1

    Topics: Adult; Brain; Cross-Over Studies; Delusions; Depression; Double-Blind Method; Female; Humans; Male; Middle Aged; Psychiatric Status Rating Scales; Psychotic Disorders; Schizophrenia; Schizophrenic Psychology; Serotonin; Tryptophan

1997
Whole blood serotonin relates to violence in an epidemiological study.
    Biological psychiatry, 1998, Mar-15, Volume: 43, Issue:6

    Topics: Adult; Alcohol Drinking; Biomarkers; Body Weight; Crime; Female; Humans; Illicit Drugs; Male; New Zealand; Platelet Count; Psychotic Disorders; Serotonin; Sex Characteristics; Smoking; Socioeconomic Factors; Substance-Related Disorders; Tryptophan; Violence

1998

Other Studies

29 other study(ies) available for tryptophan and Psychotic Disorders

ArticleYear
Major neurocognitive psychosis: a novel schizophrenia endophenotype class that is based on machine learning and resembles Kraepelin's and Bleuler's conceptions.
    Acta neuropsychiatrica, 2023, Volume: 35, Issue:3

    Topics: Endophenotypes; Humans; Machine Learning; Psychotic Disorders; Schizophrenia; Tryptophan

2023
Plasma amino acids profile in first-episode psychosis, unaffected siblings and community-based controls.
    Scientific reports, 2020, 12-08, Volume: 10, Issue:1

    Topics: Adult; Amino Acids; Antipsychotic Agents; Body Mass Index; Case-Control Studies; Cross-Sectional Studies; Female; gamma-Aminobutyric Acid; Gas Chromatography-Mass Spectrometry; Glutamic Acid; Glutamine; Glycine; Humans; Linear Models; Male; Proline; Psychotic Disorders; Siblings; Tryptophan; Young Adult

2020
Towards a new classification of stable phase schizophrenia into major and simple neuro-cognitive psychosis: Results of unsupervised machine learning analysis.
    Journal of evaluation in clinical practice, 2018, Volume: 24, Issue:4

    Topics: Adult; Behavioral Symptoms; Cognitive Reserve; Cytokines; Female; Humans; Inflammation; Male; Middle Aged; Neurocognitive Disorders; Neuroimmunomodulation; Patient Acuity; Psychiatric Status Rating Scales; Psychotic Disorders; Quality of Life; Schizophrenia; Schizophrenic Psychology; Tryptophan; Unsupervised Machine Learning

2018
Serum xanthurenic acid levels: Reduced in subjects at ultra high risk for psychosis.
    Schizophrenia research, 2019, Volume: 208

    Topics: Adolescent; Adult; Disease Progression; Female; Humans; Hydroxyindoleacetic Acid; Kynurenic Acid; Kynurenine; Male; ortho-Aminobenzoates; Prodromal Symptoms; Psychotic Disorders; Quinolinic Acid; Risk; Schizophrenia; Tryptophan; Xanthurenates; Young Adult

2019
Metabolic dysfunctions in the kynurenine pathway, noradrenergic and purine metabolism in schizophrenia and bipolar disorders.
    Psychological medicine, 2020, Volume: 50, Issue:4

    Topics: Adolescent; Adult; Bipolar Disorder; Female; Humans; Kynurenine; Male; Metabolic Networks and Pathways; Metabolomics; Middle Aged; Psychotic Disorders; Schizophrenia; Tryptophan; Tyrosine; Young Adult

2020
Appropriate amino acid mixtures for tryptophan depletion and tyrosine/phenylalanine depletion and the safety of long-term amino acid depletion in humans.
    Psychopharmacology, 2013, Volume: 229, Issue:2

    Topics: Bipolar Disorder; Caseins; Humans; Peptide Fragments; Psychotic Disorders; Tryptophan; Tyrosine

2013
Appropriate amino acid mixtures for tryptophan depletion and tyrosine/phenylalanine depletion and the safety of long-term amino acid depletion in humans: reply.
    Psychopharmacology, 2013, Volume: 230, Issue:4

    Topics: Bipolar Disorder; Caseins; Humans; Peptide Fragments; Psychotic Disorders; Tryptophan; Tyrosine

2013
Tryptophan pathway alterations in the postpartum period and in acute postpartum psychosis and depression.
    Journal of affective disorders, 2016, Jan-01, Volume: 189

    Topics: Adult; Depression, Postpartum; Female; Humans; Hydroxyindoleacetic Acid; Kynurenic Acid; Kynurenine; Postpartum Period; Psychotic Disorders; Puerperal Disorders; Tandem Mass Spectrometry; Tryptophan; Young Adult

2016
Kynurenic acid and psychotic symptoms and personality traits in twins with psychiatric morbidity.
    Psychiatry research, 2017, Volume: 247

    Topics: Bipolar Disorder; Female; Humans; Interleukin-6; Interleukin-8; Kynurenic Acid; Male; Middle Aged; Personality; Psychotic Disorders; Quinolinic Acid; Schizophrenia; Schizophrenic Psychology; Tryptophan; Tumor Necrosis Factor-alpha; Twins

2017
Kynurenine pathway in psychosis: evidence of increased tryptophan degradation.
    Journal of psychopharmacology (Oxford, England), 2009, Volume: 23, Issue:3

    Topics: Adult; Chromatography, High Pressure Liquid; Enzyme-Linked Immunosorbent Assay; Female; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Interferon-gamma; Kynurenine; Male; Middle Aged; Psychotic Disorders; Schizophrenia; Severity of Illness Index; Tryptophan; Up-Regulation

2009
Indicanuria and the psychosis of a pellagrin.
    The Journal of mental science, 1955, Volume: 101, Issue:425

    Topics: Child; Humans; Indican; Infant; Mental Disorders; Pellagra; Psychotic Disorders; Tryptophan; Urine

1955
Investigations on the tryptophan content of urines from schizophrenics and other psychotic patients.
    The Journal of nervous and mental disease, 1959, Volume: 128, Issue:5

    Topics: Humans; Mental Disorders; Psychotic Disorders; Schizophrenia; Tryptophan

1959
Effects of some substances on neuroregulatory mechanism.
    Activitas nervosa superior, 1962, Volume: 4

    Topics: Benactyzine; Coloring Agents; Histamine; Histamine H1 Antagonists; Indoleacetic Acids; Monoamine Oxidase; Psychotic Disorders; Reflex; Serotonin; Tranquilizing Agents; Tryptophan

1962
TRYPTOPHAN METABOLISM IN PSYCHOTIC CHILDREN. A PRELIMINARY REPORT.
    Developmental medicine and child neurology, 1965, Volume: 7

    Topics: Amino Acids; Child; Humans; Hydrolases; Kynurenine; Mental Disorders; Psychotic Disorders; Pyridoxine; Tryptophan

1965
Effects of acute tryptophan depletion on negative symptoms and smoking topography in nicotine-dependent schizophrenics and nonpsychiatric controls.
    Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2005, Volume: 30, Issue:3

    Topics: Adult; Female; Humans; Male; Middle Aged; Psychotic Disorders; Reference Values; Schizophrenia; Smoking; Tobacco Use Disorder; Tryptophan

2005
Tryptophan metabolism in psychotic children.
    Developmental medicine and child neurology, 1967, Volume: 9, Issue:2

    Topics: Child; Humans; Psychotic Disorders; Tryptophan; Tryptophan Oxygenase

1967
Acid metabolites and precursor amino acids of 5-hydroxytryptamine and dopamine in affective and other psychiatric disorders.
    Psychiatria clinica, 1983, Volume: 16, Issue:1

    Topics: Adjustment Disorders; Adult; Aged; Amino Acids; Bipolar Disorder; Depressive Disorder; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mental Disorders; Middle Aged; Probenecid; Protein Precursors; Psychomotor Agitation; Psychotic Disorders; Serotonin; Tryptophan; Tyrosine

1983
[Studies of the indolamine metabolism in endogenous psychoses].
    Sammlung zwangloser Abhandlungen aus dem Gebiete der Psychiatrie und Neurologie, 1982, Volume: 50

    Topics: Blood Platelets; Brain; Depressive Disorder; Humans; Methyltransferases; Monoamine Oxidase; Psychotic Disorders; Schizophrenia; Serotonin; Tryptophan

1982
Tryptophan and 5-HT in psychiatric illness.
    Advances in experimental medicine and biology, 1996, Volume: 398

    Topics: Anxiety; Brain; Depressive Disorder; Humans; Psychotic Disorders; Reference Values; Serotonin; Tryptophan

1996
Effect of electroconvulsive therapy on biopterin and large neutral amino acids in severe, medication-resistant depression.
    Psychiatry research, 2001, Sep-20, Volume: 103, Issue:2-3

    Topics: Adult; Aged; Amino Acids, Neutral; Biopterins; Depressive Disorder, Major; Electroconvulsive Therapy; Female; Humans; Isoleucine; Leucine; Male; Middle Aged; Neopterin; Phenylalanine; Psychiatric Status Rating Scales; Psychotic Disorders; Reference Values; Treatment Outcome; Tryptophan; Tyrosine; Valine

2001
Cerebral circulation and EEG alpha frequency in relation to daily fluctuations in psychotic behavior.
    The Journal of nervous and mental disease, 1976, Volume: 162, Issue:3

    Topics: Adult; Alpha Rhythm; Bipolar Disorder; Circadian Rhythm; Female; Humans; Longitudinal Studies; Menstruation; Middle Aged; Periodicity; Phenelzine; Psychiatric Status Rating Scales; Psychotic Disorders; Remission, Spontaneous; Schizophrenia; Schizophrenia, Catatonic; Time Factors; Tryptophan

1976
Plasma total and free tryptophan concentration in 'neurotic' and 'psychotic' depressive patients.
    Monographs in neural sciences, 1976, Volume: 3

    Topics: Adjustment Disorders; Adult; Depression; Diet; Female; Humans; Middle Aged; Psychiatric Status Rating Scales; Psychotic Disorders; Tryptophan

1976
The effect of plasma from psychotic children on tryptophan uptake in chicken erythrocytes.
    Neuropsychobiology, 1975, Volume: 1, Issue:5

    Topics: Affective Symptoms; Age Factors; Animals; Chickens; Child; Chlorpromazine; Erythrocytes; Female; Humans; In Vitro Techniques; Male; Psychotic Disorders; Schizophrenia, Childhood; Tryptophan

1975
Effects of dexamethasone on the availability of L-tryptophan and on the insulin and FFA concentrations in unipolar depressed patients.
    Biological psychiatry, 1990, Apr-15, Volume: 27, Issue:8

    Topics: Adjustment Disorders; Adult; Brain; Depressive Disorder; Dexamethasone; Fatty Acids, Nonesterified; Female; Humans; Hydrocortisone; Insulin; Middle Aged; Prospective Studies; Psychotic Disorders; Tryptophan

1990
[Biochemical mechanism of action of nicotinic acid, nicotinamide, methionine and D-penicillamine in treatment of psychoses].
    Arzneimittel-Forschung, 1970, Volume: 20, Issue:7

    Topics: Amines; Amino Acids; Biochemical Phenomena; Biochemistry; Humans; Methionine; Methylation; Niacinamide; Nicotinic Acids; Penicillamine; Psychopharmacology; Psychotic Disorders; Serotonin; Sulfhydryl Compounds; Tryptamines; Tryptophan

1970
Serum levels of phenylalanine and tyrosine in Huntington's chorea.
    Acta psychiatrica Scandinavica. Supplementum, 1971, Volume: 221

    Topics: Adult; Aged; Analysis of Variance; Antidepressive Agents; Body Weight; Dopamine; Female; Humans; Huntington Disease; Male; Middle Aged; Norepinephrine; Parasympatholytics; Phenylalanine; Psychotic Disorders; Reserpine; Schizophrenia; Tryptophan; Tyrosine

1971
Experimental data to the pathogenesis of cryptopyrrole excretion in schizophrenia, I.
    Acta physiologica Academiae Scientiarum Hungaricae, 1972, Volume: 42, Issue:1

    Topics: Chromatography; Depression; Epilepsy; Humans; Mass Screening; Paranoid Disorders; Periodicity; Porphyrins; Psychotic Disorders; Pyrroles; Schizophrenia; Tryptophan

1972
Electrophysiological studies on the brain. Effects of nucleotide and tryptophan metabolites as modified by polyamines in normal and psychotic subjects.
    Diseases of the nervous system, 1970, Volume: 31, Issue:11

    Topics: Amines; Anxiety; Brain; Capillary Permeability; Electrophysiology; Feedback; Humans; Neurotic Disorders; Nucleoproteins; Nucleotides; Psychotic Disorders; Schizophrenia; Tranquilizing Agents; Tryptophan

1970
Tryptophan metabolism in psychotic children.
    Developmental medicine and child neurology, 1968, Volume: 10, Issue:5

    Topics: Child; Humans; Psychotic Disorders; Tryptophan

1968