- Conditions
- Breast Cancer
- Interventions
- Acute tryptophan depletion, Half-strength tryptophan depletion (Control)
- Dietary Supplement
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 28 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
Search Results
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Glioblastoma
- Interventions
- Not listed
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 22 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2023
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Schizophrenia
- Interventions
- Phlebotomy
- Procedure
- Lead sponsor
- North Suffolk Mental Health Association
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Parkinson Disease (PD)
- Interventions
- Targeted Amino Acid Supplement, Control (placebo)
- Dietary Supplement
- Lead sponsor
- Cristina Colon-Semenza
- Other
- Eligibility
- 50 Years to 90 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 2
- States / cities
- Farmington, Connecticut • Storrs, Connecticut
- Conditions
- Major Depressive Disorder
- Interventions
- 5-hydroxytryptophan and Creatine monohydrate
- Drug
- Lead sponsor
- Perry Renshaw
- Other
- Eligibility
- 18 Years to 64 Years · Female only
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Major Depressive Disorder
- Interventions
- 5-Hydroxytryptophan 100 MG, Creatine monohydrate, placebo matched to 5-HTP, Placebo
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 25 Years to 40 Years
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Depression
- Interventions
- Not listed
- Lead sponsor
- US Department of Veterans Affairs
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 133 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 3
- States / cities
- Long Beach, California • Minneapolis, Minnesota • Portland, Oregon
- Conditions
- Mild Cognitive Impairment
- Interventions
- Alpha-lactalbumin, Whey, Casein
- Dietary Supplement
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 59 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- College Station, Texas
- Conditions
- Type II Diabetes
- Interventions
- Potato Starch (Bob's Red Mill), Pregelatinized Starch (Resource ThickenUp)
- Dietary Supplement
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2017
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Protein Metabolism
- Interventions
- Total Amino Acids, Essential Amino Acids, Essential Amino Acids + Hydroxy-methylbutyric acid (HMB), Essential Amino Acids + Leucine, Essential Amino Acids High, Placebo Water
- Dietary Supplement
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 60 Years to 80 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- College Station, Texas
- Conditions
- Chronic Obstructive Pulmonary Disease
- Interventions
- acute resistance exercise with oral nutrition supplementation, stable tracer infusion
- Other
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 45 Years to 100 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- College Station, Texas
- Conditions
- Depressive Disorder, Major
- Interventions
- Not listed
- Lead sponsor
- National Institute of Mental Health (NIMH)
- NIH
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 95 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2014
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Post-operative Delirium
- Interventions
- L-tryptophan supplementation, placebo
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 301 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- Conditions
- Prostate Adenocarcinoma, Stage III Prostate Cancer AJCC v8, Stage IVA Prostate Cancer AJCC v8
- Interventions
- Apalutamide, Bicalutamide, Biospecimen Collection, Bone Scan, Buserelin, Computed Tomography, Degarelix, Flutamide, Goserelin, Histrelin, Leuprolide, Magnetic Resonance Elastography, Positron Emission Tomography, Quality-of-Life Assessment, Questionnaire Administration, Radiation Therapy, Relugolix, Triptorelin
- Drug · Procedure · Other + 1 more
- Lead sponsor
- NRG Oncology
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 2,753 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2038
- U.S. locations
- 594
- States / cities
- Fairbanks, Alaska • Gilbert, Arizona • Peoria, Arizona + 438 more
- Conditions
- Obsessive-Compulsive Disorder
- Interventions
- olanzapine + fluoxetine, placebo + fluoxetine
- Drug
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 14 Years to 70 Years
- Enrollment
- 74 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1992 – 2003
- U.S. locations
- 2
- States / cities
- Gainesville, Florida • Jacksonville, Florida
- Conditions
- Carcinoid Syndrome, Metastatic Nonfunctional Well Differentiated Neuroendocrine Neoplasm
- Interventions
- Carbon C 11 Alpha-methyltryptophan, Laboratory Biomarker Analysis, Positron Emission Tomography, Telotristat Etiprate
- Other · Procedure · Drug
- Lead sponsor
- Barbara Ann Karmanos Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 4 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Alzheimer Disease
- Interventions
- ALZN002 (autologous DCs pulsed with E22W mutant peptide)., Placebo
- Biological · Drug
- Lead sponsor
- Alzamend Neuro, Inc.
- Industry
- Eligibility
- 60 Years to 85 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 1
- States / cities
- Doral, Florida
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- RVT-1201, Placebo
- Drug
- Lead sponsor
- Altavant Sciences GmbH
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 20
- States / cities
- Phoenix, Arizona • Sacramento, California • Santa Barbara, California + 17 more
- Conditions
- Breast Cancer, Lung Cancer, Melanoma, Pancreatic Cancer, Solid Tumors
- Interventions
- 1-methyl-D-tryptophan
- Drug
- Lead sponsor
- NewLink Genetics Corporation
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- PTSD, Suicidal Thoughts and Behaviors, PTSD Symptoms, Depressive Symptoms
- Interventions
- 1-(2-[+F]fluoroethyl)-L-tryptophan
- Drug
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 19 Years to 69 Years
- Enrollment
- 100 participants
- Timeline
- 2026 – 2030
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Metformin Response, Fasting Glucose, Tryptophan Concentration, Metformin Concentration, Diet Tolerability
- Interventions
- Metformin, Low tryptophan diet, High tryptophan diet
- Drug · Other
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 20 Years to 40 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Mild or Moderate Asthma With Allergic Sensitization
- Interventions
- 5-Hydroxytryptophan, Placebo
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 8 Years to 18 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Glioma of Brain
- Interventions
- Mirtazapine (Remeron)
- Drug
- Lead sponsor
- University of California, Irvine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2030
- U.S. locations
- 1
- States / cities
- Orange, California
- Conditions
- Intracranial Aneurysm
- Interventions
- OPTIMA and OPTIMAX Coils manufactured by Balt USA
- Device
- Lead sponsor
- HCA Healthcare Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 600 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Plano, Texas