tryptophan and ADDH

tryptophan has been researched along with ADDH in 43 studies

Research

Studies (43)

Timeframe	Studies, this research(%)	All Research%
pre-1990	8 (18.60)	18.7374
1990's	3 (6.98)	18.2507
2000's	7 (16.28)	29.6817
2010's	19 (44.19)	24.3611
2020's	6 (13.95)	2.80

Authors

Authors	Studies
Dinu, LM; Dommett, EJ; Phattharakulnij, N	1
Anand, NS; Hong, X; Pearson, C; Raghavan, R; Wang, G; Wang, X; Xie, H; Zuckerman, B	1
Yamamoto, T	1
Baker, NS; Dinu, LM; Dommett, EJ; Georgescu, AL; Overton, PG; Singh, SN	1
Abuşoğlu, S; Bilgiç, A; Sağlam, E; Sivrikaya, A; Ünlü, A	1
Blanca-Jover, E; Cantarero-Malagón, AM; Checa-Ros, A; Cubero-Millán, I; Fernández-López, L; Jerez-Calero, A; Machado-Casas, I; Molina-Carballo, A; Muñoz-Hoyos, A; Uberos, J	1
Brummer, RJM; Sandgren, AM	1
Biskup, CS; Dahmen, B; Landgraf, M; Poustka, F; Stadler, C; Wöckel, L; Zepf, FD	1
Abdel-Hamid, M; Biskup, CS; Grabemann, M; Kis, B; Mette, C; Uekermann, J; Wiltfang, J; Zepf, FD; Zimmermann, M	1
Abdel-Hamid, M; Grabemann, M; Heinrich, V; Kis, B; Mette, C; Uekermann, J; Wiltfang, J; Zepf, FD; Zimmermann, M	1
Young, SN	1
Abdel-Hamid, M; Biskup, CS; Bubenzer, S; Dahmen, B; Eisert, A; Gaber, TJ; Grabemann, M; Heinrich, V; Helmbold, K; Kis, B; Kötting, WF; Kuhn, CM; Landgraf, M; Mette, C; Poustka, F; Sánchez, CL; Stadler, C; Uekermann, J; Wiltfang, J; Wöckel, L; Zepf, FD; Zimmermann, M	1
Biskup, CS; Bubenzer, S; Eisert, A; Gaber, TJ; Helmbold, K; Kötting, WF; von Polier, GG; Zepf, FD	1
Dolina, S; Malitsky, S; Margalit, D; Rabinkov, A	1
Banerjee, E; Nandagopal, K	1
Bergwerff, CE; Blom, HJ; Luman, M; Oosterlaan, J	1
Baurmann, D; Biskup, CS; Bubenzer-Busch, S; Fink, GR; Gaber, TJ; Helmbold, K; Klasen, M; Königschulte, W; Zepf, FD	1
Holtmann, M; Poustka, F; Stadler, C; Wöckel, L; Zepf, FD	1
Holtmann, M; Magnus, S; Poustka, F; Stadler, C; Wöckel, L; Zepf, FD	1
Baurmann, D; Bubenzer, S; Gaber, TJ; Herpertz-Dahlmann, B; Konrad, K; Poustka, F; Stadler, C; Wöckel, L; Zepf, FD	1
Dauvermann, MR; Myint, AM; Oades, RD; Schimmelmann, BG; Schwarz, MJ	2
Oades, RD	1
Åhlin, A; Bjerkenstedt, L; Fernell, E; Johansson, J; Landgren, M; Venizelos, N; Vumma, R	1
Abdel-Hamid, M; Grabemann, M; Kis, B; Kraemer, M; Mette, C; Ueckermann, J; Uekermann, J; Wiltfang, J; Zepf, FD; Zimmermann, M	1
Bubenzer, S; Eisert, A; Gaber, TJ; Helmbold, K; Kötting, WF; Zepf, FD	1
Brammer, M; Craig, M; Cutter, WJ; Daly, EM; Lamar, M; Murphy, DG; Rubia, K; Tang, C	1
Demisch, L; Landgraf, M; Poustka, F; Schmitt, M; Stadler, C; Zepf, FD	2
Demisch, L; Holtmann, M; Poustka, F; Schmitt, M; Stadler, C; Wöckel, L; Zepf, FD	1
Dramsdahl, M; Haavik, J; Halmøy, A; Johansson, S; Knappskog, PM; McKinney, J; Winge, I	1
Holtmann, M; Poustka, F; Wöckel, L; Zepf, FD	1
Ghose, K	1
Ferguson, HB; Pappas, BA; Peters, DA; Taub, H; Trites, RL	1
Belendiuk, K; Freedman, DX; Irwin, M; McCloskey, K	1
Comings, DE	2
Brase, DA; Loh, HH	1
Baker, GB; Bornstein, RA; Carroll, A; Douglass, AB; King, G; Wong, JT	1
Comings, BG; Comings, DE; Knell, E	1
Barnhill, JL; Chandler, ML; Gualtieri, CT; Patterson, DR	1
Arnold, LE; McConnell, H; Nemzer, ED; Votolato, NA	1
Hoshino, Y; Kaneko, M; Kumashiro, H; Ohno, Y; Yamamoto, T	1

Reviews

3 review(s) available for tryptophan and ADDH

Article	Year
Tryptophan modulation in individuals with attention deficit hyperactivity disorder: a systematic review. Journal of neural transmission (Vienna, Austria : 1996), 2022, Volume: 129, Issue:4 Topics: Adult; Aggression; Attention Deficit Disorder with Hyperactivity; Child; Humans; Impulsive Behavior; Tryptophan	2022
Does serotonin deficit mediate susceptibility to ADHD? Neurochemistry international, 2015, Volume: 82 Topics: Adolescent; Animals; Animals, Newborn; Attention Deficit Disorder with Hyperactivity; Central Nervous System Stimulants; Child; Child, Preschool; Corpus Striatum; Disease Models, Animal; Dopamine; Gene-Environment Interaction; Genetic Association Studies; Genetic Predisposition to Disease; Humans; Inhibition, Psychological; Mice, Knockout; Multifactorial Inheritance; Nerve Tissue Proteins; Neurotransmitter Transport Proteins; Oxidopamine; Prefrontal Cortex; Rats, Inbred SHR; Rats, Inbred WKY; Receptor, Serotonin, 5-HT1B; Selective Serotonin Reuptake Inhibitors; Serotonin; Tryptophan	2015
Serotonin and the biochemical genetics of alcoholism: lessons from studies of attention deficit hyperactivity disorder (ADHD) and Tourette syndrome. Alcohol and alcoholism (Oxford, Oxfordshire). Supplement, 1993, Volume: 2 Topics: Adult; Alcoholism; Attention Deficit Disorder with Hyperactivity; Child; Female; Genes, Dominant; Genes, Recessive; Humans; Male; Pedigree; Serotonin; Tourette Syndrome; Tryptophan; Tryptophan Oxygenase	1993

Trials

17 trial(s) available for tryptophan and ADDH

Article	Year
The effects of tryptophan loading on Attention Deficit Hyperactivity in adults: A remote double blind randomised controlled trial. PloS one, 2023, Volume: 18, Issue:11 Topics: Adult; Aggression; Attention Deficit Disorder with Hyperactivity; Double-Blind Method; Humans; Impulsive Behavior; Serotonin; Tryptophan	2023
No effect of acute tryptophan depletion on verbal declarative memory in young persons with ADHD. Acta psychiatrica Scandinavica, 2013, Volume: 128, Issue:2 Topics: Adolescent; Attention Deficit Disorder with Hyperactivity; Central Nervous System; Child; Cross-Over Studies; Diet Therapy; Double-Blind Method; Humans; Male; Mental Recall; Psychological Techniques; Psychotropic Drugs; Reaction Time; Serotonin; Sex Factors; Synaptic Transmission; Treatment Outcome; Tryptophan; Verbal Behavior	2013
The impact of acute tryptophan depletion on attentional performance in adult patients with ADHD. Acta psychiatrica Scandinavica, 2013, Volume: 128, Issue:2 Topics: Adult; Attention; Attention Deficit Disorder with Hyperactivity; Central Nervous System; Cross-Over Studies; Diet Therapy; Double-Blind Method; Humans; Male; Psychological Techniques; Psychotropic Drugs; Reaction Time; Serotonin; Sex Factors; Synaptic Transmission; Treatment Outcome; Tryptophan	2013
No clear effects of acute tryptophan depletion on processing affective prosody in male adults with ADHD. Acta psychiatrica Scandinavica, 2013, Volume: 128, Issue:2 Topics: Adult; Affect; Attention Deficit Disorder with Hyperactivity; Central Nervous System; Cross-Over Studies; Diet Therapy; Double-Blind Method; Humans; Male; Psychological Techniques; Psychotropic Drugs; Reaction Time; Serotonin; Sex Factors; Synaptic Transmission; Treatment Outcome; Tryptophan	2013
Change in electrodermal activity after acute tryptophan depletion associated with aggression in young people with attention deficit hyperactivity disorder (ADHD). Journal of neural transmission (Vienna, Austria : 1996), 2014, Volume: 121, Issue:4 Topics: Adolescent; Aggression; Analysis of Variance; Attention Deficit Disorder with Hyperactivity; Child; Double-Blind Method; Female; Galvanic Skin Response; Humans; Male; Pilot Projects; Psychometrics; Serotonin; Statistics, Nonparametric; Tryptophan	2014
Reduced serotonergic functioning changes heart rate in ADHD. Journal of neural transmission (Vienna, Austria : 1996), 2009, Volume: 116, Issue:1 Topics: Adolescent; Attention Deficit Disorder with Hyperactivity; Case-Control Studies; Child; Cross-Over Studies; Double-Blind Method; Heart Rate; Humans; Impulsive Behavior; Linear Models; Male; Neuropsychological Tests; Serotonin; Tryptophan	2009
Diminished central nervous 5-HT neurotransmission and mood self-ratings in children and adolescents with ADHD: no clear effect of rapid tryptophan depletion. Human psychopharmacology, 2009, Volume: 24, Issue:2 Topics: Adolescent; Affect; Attention Deficit Disorder with Hyperactivity; Central Nervous System; Child; Cross-Over Studies; Double-Blind Method; Humans; Male; Selection Bias; Serotonin; Severity of Illness Index; Time Factors; Tryptophan	2009
Serotonergic neurotransmission and lapses of attention in children and adolescents with attention deficit hyperactivity disorder: availability of tryptophan influences attentional performance. The international journal of neuropsychopharmacology, 2010, Volume: 13, Issue:7 Topics: Adolescent; Attention; Attention Deficit Disorder with Hyperactivity; Central Nervous System; Child; Cross-Over Studies; Double-Blind Method; Humans; Male; Serotonin; Serotonin Agents; Synaptic Transmission; Time Factors; Tryptophan	2010
The effects of acute tryptophan depletion on reactive aggression in adults with attention-deficit/hyperactivity disorder (ADHD) and healthy controls. PloS one, 2012, Volume: 7, Issue:3 Topics: Adult; Aggression; Attention Deficit Disorder with Hyperactivity; Beverages; Case-Control Studies; Humans; Male; Tryptophan	2012
Effects of tryptophan depletion on reactive aggression and aggressive decision-making in young people with ADHD. Acta psychiatrica Scandinavica, 2013, Volume: 128, Issue:2 Topics: Adolescent; Aggression; Attention Deficit Disorder with Hyperactivity; Child; Child Behavior; Cross-Over Studies; Decision Making; Diet Therapy; Double-Blind Method; Female; Humans; Male; Psychological Techniques; Psychotropic Drugs; Serotonin; Sex Factors; Synaptic Transmission; Treatment Outcome; Tryptophan	2013
Acute tryptophan depletion promotes an anterior-to-posterior fMRI activation shift during task switching in older adults. Human brain mapping, 2014, Volume: 35, Issue:2 Topics: Acute Disease; Affect; Aged; Attention Deficit Disorder with Hyperactivity; Brain Mapping; Cognition; Double-Blind Method; Female; Humans; Image Processing, Computer-Assisted; Magnetic Resonance Imaging; Middle Aged; Neuropsychological Tests; Oxygen; Prefrontal Cortex; Surveys and Questionnaires; Tryptophan	2014
Serotonergic functioning and trait-impulsivity in attention-deficit/hyperactivity-disordered boys (ADHD): influence of rapid tryptophan depletion. Human psychopharmacology, 2008, Volume: 23, Issue:1 Topics: Aggression; Attention Deficit Disorder with Hyperactivity; Child; Cross-Over Studies; Diet, Reducing; Double-Blind Method; Drug Administration Schedule; Humans; Impulsive Behavior; Male; Psychiatric Status Rating Scales; Reaction Time; Serotonin; Tryptophan	2008
Influence of rapid tryptophan depletion on laboratory-provoked aggression in children with ADHD. Neuropsychobiology, 2007, Volume: 56, Issue:2-3 Topics: Adolescent; Aggression; Attention Deficit Disorder with Hyperactivity; Cross-Over Studies; Double-Blind Method; Food, Formulated; Humans; Male; Multivariate Analysis; Psychometrics; Tryptophan	2007
Diminished serotonergic functioning in hostile children with ADHD: tryptophan depletion increases behavioural inhibition. Pharmacopsychiatry, 2008, Volume: 41, Issue:2 Topics: Aggression; Attention Deficit Disorder with Hyperactivity; Central Nervous System Stimulants; Child; Cross-Over Studies; Double-Blind Method; Hostility; Humans; Inhibition, Psychological; Linear Models; Male; Methylphenidate; Neuropsychological Tests; Psychiatric Status Rating Scales; Psychometrics; Serotonin; Tryptophan	2008
Diminished 5-HT functioning in CBCL pediatric bipolar disorder-profiled ADHD patients versus normal ADHD: susceptibility to rapid tryptophan depletion influences reaction time performance. Human psychopharmacology, 2008, Volume: 23, Issue:4 Topics: Adolescent; Attention Deficit Disorder with Hyperactivity; Bipolar Disorder; Child; Child Behavior Disorders; Cross-Over Studies; Double-Blind Method; Humans; Male; Reaction Time; Serotonin; Tryptophan	2008
l-Tryptophan in hyperactive child syndrome associated with epilepsy: a controlled study. Neuropsychobiology, 1983, Volume: 10, Issue:2-3 Topics: Adolescent; Attention Deficit Disorder with Hyperactivity; Carbamazepine; Child; Clinical Trials as Topic; Double-Blind Method; Drug Therapy, Combination; Epilepsy; Humans; Male; Tryptophan; Valproic Acid	1983
Amino acid supplementation as therapy for attention deficit disorder. Journal of the American Academy of Child Psychiatry, 1986, Volume: 25, Issue:4 Topics: Attention Deficit Disorder with Hyperactivity; Child; Clinical Trials as Topic; Dextroamphetamine; Double-Blind Method; Female; Humans; Male; Random Allocation; Tryptophan; Tyrosine	1986

Other Studies

23 other study(ies) available for tryptophan and ADDH

Article	Year
Association between cord blood metabolites in tryptophan pathway and childhood risk of autism spectrum disorder and attention-deficit hyperactivity disorder. Translational psychiatry, 2022, 07-09, Volume: 12, Issue:1 Topics: 5-Hydroxytryptophan; Attention Deficit Disorder with Hyperactivity; Autism Spectrum Disorder; Child; Fetal Blood; Humans; Infant, Newborn; Prospective Studies; Tryptophan	2022
The relationship between central fatigue and Attention Deficit/Hyperactivity Disorder of the inattentive type. Neurochemical research, 2022, Volume: 47, Issue:9 Topics: Amino Acids, Branched-Chain; Attention Deficit Disorder with Hyperactivity; Cognition; Humans; Kynurenic Acid; Quality of Life; Serotonin; Tryptophan	2022
The role of tryptophan metabolic pathway in children with attention deficit hyperactivity disorder with and without comorbid oppositional defiant disorder and conduct disorder. Psychiatry research, 2021, Volume: 298 Topics: Attention Deficit and Disruptive Behavior Disorders; Attention Deficit Disorder with Hyperactivity; Child; Comorbidity; Conduct Disorder; Humans; Metabolic Networks and Pathways; Tryptophan	2021
Methylphenidate ameliorates the homeostatic balance between levels of kynurenines in ADHD children. Psychiatry research, 2021, Volume: 303 Topics: Attention Deficit Disorder with Hyperactivity; Central Nervous System Stimulants; Child; Humans; Kynurenic Acid; Kynurenine; Methylphenidate; Tryptophan	2021
ADHD-originating in the gut? The emergence of a new explanatory model. Medical hypotheses, 2018, Volume: 120 Topics: Animals; Attention Deficit Disorder with Hyperactivity; Brain; Central Nervous System; Ecosystem; Emotions; Enteric Nervous System; Gastrointestinal Microbiome; Gastrointestinal Tract; Humans; Immune System; Mice; Signal Transduction; Tryptophan	2018
Methodology and interpretation of acute tryptophan depletion studies. Acta psychiatrica Scandinavica, 2014, Volume: 129, Issue:2 Topics: Attention Deficit Disorder with Hyperactivity; Diet Therapy; Humans; Male; Mental Recall; Serotonin; Tryptophan; Verbal Behavior	2014
Acute tryptophan depletion - converging evidence for decreasing central nervous serotonin synthesis in rodents and humans. Acta psychiatrica Scandinavica, 2014, Volume: 129, Issue:2 Topics: Attention Deficit Disorder with Hyperactivity; Diet Therapy; Humans; Male; Mental Recall; Serotonin; Tryptophan; Verbal Behavior	2014
Attention-deficit hyperactivity disorder (ADHD) as a pyridoxine-dependent condition: urinary diagnostic biomarkers. Medical hypotheses, 2014, Volume: 82, Issue:1 Topics: Attention Deficit Disorder with Hyperactivity; Biomarkers; Chromatography, High Pressure Liquid; Humans; Methylphenidate; Models, Biological; Pyridoxine; Tryptophan	2014
No Tryptophan, Tyrosine and Phenylalanine Abnormalities in Children with Attention-Deficit/Hyperactivity Disorder. PloS one, 2016, Volume: 11, Issue:3 Topics: Adolescent; Attention Deficit and Disruptive Behavior Disorders; Attention Deficit Disorder with Hyperactivity; Autism Spectrum Disorder; Case-Control Studies; Child; Conduct Disorder; Diet; Dietary Proteins; Female; Humans; Male; Netherlands; Phenylalanine; Surveys and Questionnaires; Tryptophan; Tyrosine	2016
Resting state default mode network connectivity in children and adolescents with ADHD after acute tryptophan depletion. Acta psychiatrica Scandinavica, 2016, Volume: 134, Issue:2 Topics: Adolescent; Attention Deficit Disorder with Hyperactivity; Brain; Brain Mapping; Child; Humans; Magnetic Resonance Imaging; Male; Neural Pathways; Rest; Serotonin; Tryptophan	2016
Attention-deficit hyperactivity disorder (ADHD) and glial integrity: S100B, cytokines and kynurenine metabolism--effects of medication. Behavioral and brain functions : BBF, 2010, May-28, Volume: 6 Topics: Adolescent; Amino Acids; Attention Deficit Disorder with Hyperactivity; Brain; Central Nervous System Stimulants; Child; Cytokines; Energy Metabolism; Female; Humans; Kynurenine; Male; Nerve Growth Factors; Neuroglia; Pilot Projects; S100 Calcium Binding Protein beta Subunit; S100 Proteins; Tryptophan	2010
Attention-deficit hyperactivity disorder (ADHD) and glial integrity: an exploration of associations of cytokines and kynurenine metabolites with symptoms and attention. Behavioral and brain functions : BBF, 2010, Jun-09, Volume: 6 Topics: Adolescent; Attention; Attention Deficit Disorder with Hyperactivity; Case-Control Studies; Child; Cytokines; Female; Humans; Interleukins; Kynurenine; Linear Models; Male; Motor Activity; Neuroglia; Neuropsychological Tests; Psychiatric Status Rating Scales; Psychomotor Performance; Reaction Time; Tryptophan	2010
An exploration of the associations of pregnancy and perinatal features with cytokines and tryptophan/kynurenine metabolism in children with attention-deficit hyperactivity disorder (ADHD). Attention deficit and hyperactivity disorders, 2011, Volume: 3, Issue:4 Topics: Adult; Alcohol Drinking; Attention Deficit Disorder with Hyperactivity; Case-Control Studies; Child; Child Care; Cytokines; Diagnostic and Statistical Manual of Mental Disorders; Female; Humans; Kynurenine; Male; Mothers; Pregnancy; Pregnancy Complications; Smoking; Tryptophan	2011
Altered tryptophan and alanine transport in fibroblasts from boys with attention-deficit/hyperactivity disorder (ADHD): an in vitro study. Behavioral and brain functions : BBF, 2011, Sep-24, Volume: 7 Topics: Alanine; Attention Deficit Disorder with Hyperactivity; Blood-Brain Barrier; Cells, Cultured; Child; Fibroblasts; Humans; Male; Protein Transport; Tryptophan	2011
A loss-of-function mutation in tryptophan hydroxylase 2 segregating with attention-deficit/hyperactivity disorder. Molecular psychiatry, 2008, Volume: 13, Issue:4 Topics: Arginine; Attention Deficit Disorder with Hyperactivity; Base Sequence; Cell Line, Transformed; Family Health; Female; Humans; Male; Mutation; Norway; Tryptophan; Tryptophan Hydroxylase	2008
Plasma free and total tryptophan, blood serotonin, and the hyperactivity syndrome: no evidence for the serotonin deficiency hypothesis. Biological psychiatry, 1981, Volume: 16, Issue:3 Topics: Attention Deficit Disorder with Hyperactivity; Child; Double-Blind Method; Female; Humans; Hydrocortisone; Male; Methylphenidate; Serotonin; Tryptophan	1981
Tryptophan metabolism in children with attentional deficit disorder. The American journal of psychiatry, 1981, Volume: 138, Issue:8 Topics: Adolescent; Adult; Attention; Attention Deficit Disorder with Hyperactivity; Blood Platelets; Child; Child, Preschool; Dextroamphetamine; Humans; Intelligence; Kynurenine; Methylphenidate; Protein Binding; Serotonin; Tryptophan	1981
Possible role of 5-hydroxyptamine in minimal brain dysfunction. Life sciences, 1975, Apr-01, Volume: 16, Issue:7 Topics: Amphetamine; Animal Nutritional Physiological Phenomena; Animals; Attention Deficit Disorder with Hyperactivity; Behavior, Animal; Child; Drug Interactions; Fenclonine; Humans; Hyperkinesis; Norepinephrine; Phenylketonurias; Serotonin; Tryptophan	1975
Plasma amino acids in attention deficit disorder. Psychiatry research, 1990, Volume: 33, Issue:3 Topics: Amino Acids; Attention Deficit Disorder with Hyperactivity; Child; Female; Histidine; Humans; Isoleucine; Male; Phenylalanine; Tryptophan; Tyrosine	1990
Blood serotonin and tryptophan in Tourette syndrome. American journal of medical genetics, 1990, Volume: 36, Issue:4 Topics: Adult; Aging; Attention Deficit Disorder with Hyperactivity; Child; Cloning, Molecular; Fasting; Female; Homozygote; Humans; Intestines; Liver; Male; Mental Disorders; Platelet Count; Serotonin; Sex Factors; Tourette Syndrome; Tryptophan; Tryptophan Oxygenase	1990
Hypothesis: homozygosity in Tourette syndrome. American journal of medical genetics, 1989, Volume: 34, Issue:3 Topics: Adult; Attention Deficit Disorder with Hyperactivity; Child; Epistasis, Genetic; Female; Genetic Linkage; Homozygote; Humans; Male; Mental Disorders; Obsessive-Compulsive Disorder; Panic; Pedigree; Serotonin; Substance-Related Disorders; Tic Disorders; Tourette Syndrome; Tryptophan	1989
Tryptophan antagonism of stimulant-induced tics. Journal of clinical psychopharmacology, 1989, Volume: 9, Issue:1 Topics: Attention Deficit Disorder with Hyperactivity; Child; Drug Therapy, Combination; Humans; Male; Methylphenidate; Tic Disorders; Tryptophan	1989
Plasma free tryptophan concentration in children with attention deficit disorder. Folia psychiatrica et neurologica japonica, 1985, Volume: 39, Issue:4 Topics: Attention Deficit Disorder with Hyperactivity; Brain; Child; Child, Preschool; Female; Humans; Male; Serotonin; Tryptophan	1985

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