tryptophan has been researched along with ADDH in 43 studies
| 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 | 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 |
3 review(s) available for tryptophan and ADDH
| Article | Year |
|---|---|
Tryptophan modulation in individuals with attention deficit hyperactivity disorder: a systematic review.
Topics: Adult; Aggression; Attention Deficit Disorder with Hyperactivity; Child; Humans; Impulsive Behavior; Tryptophan | 2022 |
Does serotonin deficit mediate susceptibility to ADHD?
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.
Topics: Adult; Alcoholism; Attention Deficit Disorder with Hyperactivity; Child; Female; Genes, Dominant; Genes, Recessive; Humans; Male; Pedigree; Serotonin; Tourette Syndrome; Tryptophan; Tryptophan Oxygenase | 1993 |
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Topics: Attention Deficit Disorder with Hyperactivity; Child; Clinical Trials as Topic; Dextroamphetamine; Double-Blind Method; Female; Humans; Male; Random Allocation; Tryptophan; Tyrosine | 1986 |
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Topics: Attention Deficit Disorder with Hyperactivity; Brain; Child; Child, Preschool; Female; Humans; Male; Serotonin; Tryptophan | 1985 |