tryptophan has been researched along with methylphenidate in 15 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 9 (60.00) | 18.7374 |
| 1990's | 1 (6.67) | 18.2507 |
| 2000's | 1 (6.67) | 29.6817 |
| 2010's | 3 (20.00) | 24.3611 |
| 2020's | 1 (6.67) | 2.80 |
| Authors | Studies |
|---|---|
| Barnes, JC; Bradley, P; Day, NC; Fourches, D; Reed, JZ; Tropsha, A | 1 |
| Barnhill, JL; Chandler, ML; Gualtieri, CT; Patterson, DR | 1 |
| Lee, EH; Mandell, AJ | 1 |
| Ananth, J; Ruskin, R | 1 |
| Mendels, J; Stern, SL | 1 |
| Bernasconi, S; Crunelli, V; Samanin, R | 1 |
| Ferguson, HB; Pappas, BA; Peters, DA; Taub, H; Trites, RL | 1 |
| Belendiuk, K; Freedman, DX; Irwin, M; McCloskey, K | 1 |
| Blackshaw, AJ; Crowley, C; Deakin, JF; Hawtin, K; Hopwood, A; Matthews, K; Middleton, HC; Robbins, TW; Rogers, RD; Sahakian, BJ; Wallace, C | 1 |
| ARIENS, EJ; HURKMANS, JA; van der SCHOOT, J; van ROSSUM, J | 1 |
| AIRAKSINEN, MM; MATTILA, M | 1 |
| Demisch, L; Holtmann, M; Poustka, F; Schmitt, M; Stadler, C; Wöckel, L; Zepf, FD | 1 |
| Dolina, S; Malitsky, S; Margalit, D; Rabinkov, A | 1 |
| Farhan, M; Rafiq, H; Riaz, F; Wali, S | 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 |
1 review(s) available for tryptophan and methylphenidate
| Article | Year |
|---|---|
Drug combinations in the treatment of refractory depression: a review.
Topics: Allopurinol; Antidepressive Agents; Antidepressive Agents, Tricyclic; Antipsychotic Agents; Depressive Disorder; Drug Therapy, Combination; Humans; Lithium; Methylphenidate; Monoamine Oxidase Inhibitors; Reserpine; Triiodothyronine; Tryptophan | 1981 |
2 trial(s) available for tryptophan and methylphenidate
| Article | Year |
|---|---|
Tryptophan depletion impairs stimulus-reward learning while methylphenidate disrupts attentional control in healthy young adults: implications for the monoaminergic basis of impulsive behaviour.
Topics: Adolescent; Adrenergic Agents; Adult; Attention; Clonidine; Discrimination Learning; Double-Blind Method; Female; Humans; Impulsive Behavior; Male; Methylphenidate; Reward; Tryptophan | 1999 |
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 |
12 other study(ies) available for tryptophan and methylphenidate
| Article | Year |
|---|---|
Cheminformatics analysis of assertions mined from literature that describe drug-induced liver injury in different species.
Topics: Animals; Chemical and Drug Induced Liver Injury; Cluster Analysis; Databases, Factual; Humans; MEDLINE; Mice; Models, Chemical; Molecular Conformation; Quantitative Structure-Activity Relationship | 2010 |
Tryptophan antagonism of stimulant-induced tics.
Topics: Attention Deficit Disorder with Hyperactivity; Child; Drug Therapy, Combination; Humans; Male; Methylphenidate; Tic Disorders; Tryptophan | 1989 |
Relationships between drug-induced changes in tetrahydrobiopterin and biogenic amine concentrations in rat brain.
Topics: Animals; Biogenic Amines; Biopterins; Brain Chemistry; Circadian Rhythm; Cocaine; Corticotropin-Releasing Hormone; Dextroamphetamine; Male; Methylphenidate; Pteridines; Rats; Rats, Inbred Strains; Tryptophan; Valine | 1985 |
Treatment of intractable depression.
Topics: Amantadine; Antidepressive Agents; Depression; Dextroamphetamine; Drug Therapy, Combination; Hormones; Humans; Lithium; Methylphenidate; Monoamine Oxidase Inhibitors; Reserpine; Sleep Deprivation; Tryptophan; Vitamins | 1974 |
Effects of d- and 1-fenfluramine on striatal homovanillic acid concentrations in rats after pharmacological manipulation of brain serotonin.
Topics: Animals; Apomorphine; Brain; Corpus Striatum; Female; Fenfluramine; Haloperidol; Homovanillic Acid; Humans; Methylphenidate; Phenylacetates; Rats; Serotonin; Stereoisomerism; Stereotyped Behavior; Tryptophan | 1980 |
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 |
Phenylisopropylamine derivatives, structure and action.
Topics: Amphetamine; Chlorpromazine; Dibucaine; Diethylpropion; Dihydroxyphenylalanine; Dopamine; Ephedrine; Epinephrine; Hydrazines; Imipramine; Iproniazid; Mephentermine; Methamphetamine; Methylphenidate; Movement; Nialamide; Phenelzine; Phenethylamines; Phenmetrazine; Phenylhydrazines; Piperidines; Reserpine; Tranylcypromine; Tryptophan; Tyramine | 1962 |
The sedative and lethal actions of reserpine in mice, as modified by 5-hydroxytryptophan, 3,4-dihydroxyphenylalanine, methylphenidate, and nikethamide in cold and warm environments.
Topics: 5-Hydroxytryptophan; Animals; Cold Temperature; Dihydroxyphenylalanine; Hypnotics and Sedatives; Methylphenidate; Mice; Nikethamide; Reserpine; Serotonin; Temperature; Tryptophan | 1962 |
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 |
Desensitization of 5-HT-1A Somatodentritic Receptors in Tryptophan Treated and Co-treated Rats Induced by Methylphenidate.
Topics: Animals; Behavior, Animal; Central Nervous System Stimulants; Dendrites; Dose-Response Relationship, Drug; Male; Methylphenidate; Motor Activity; Rats; Rats, Wistar; Receptor, Serotonin, 5-HT1A; Serotonin Receptor Agonists; Tryptophan | 2019 |
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 |