- Conditions
- Glucose Tolerance
- Interventions
- Tyrosine (TYR) Supplementation
- Dietary Supplement
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- New York, New York
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–13
of 13
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Protein Metabolism
- Interventions
- Protease + Protein, Placebo + Protein
- Dietary Supplement
- Lead sponsor
- University of Illinois at Urbana-Champaign
- Other
- Eligibility
- 20 Years to 50 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Urbana, Illinois
- Conditions
- Fibromyalgia
- Interventions
- Tyrosine, Placebo
- Drug
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Parkinson's Disease
- Interventions
- Tyrosine, Placebo Comparator:Sugar Pill
- Dietary Supplement · Other
- Lead sponsor
- New York Institute of Technology
- Other
- Eligibility
- 50 Years to 80 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Old Westbury, New York
- Conditions
- Chronic Obstructive Pulmonary Disease
- Interventions
- Capsule + Powder supplementation, stable tracer infusion
- Dietary Supplement · Other
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 45 Years to 100 Years
- Enrollment
- 54 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- 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
- Reaction to Severe Stress, Unspecified
- Interventions
- Tyrosine-Containing Food Bar, Placebo Bar
- Other
- Lead sponsor
- United States Army Research Institute of Environmental Medicine
- Federal
- Eligibility
- 18 Years to 39 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Brunswick, Maine
- Conditions
- Phenylketonuria
- Interventions
- Sapropterin
- Drug
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Phenylketonuria
- Interventions
- Restricted phenylalanine diet
- Behavioral
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- NIH
- Eligibility
- 0 Years and older · Female only
- Enrollment
- 572 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 1984 – 2000
- U.S. locations
- 3
- States / cities
- Los Angeles, California • Chicago, Illinois • Galveston, Texas
- 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
- Spinal Cord Injuries
- Interventions
- 5HTP, L-DOPA, Placebo oral tablet, Carbidopa
- Drug
- Lead sponsor
- Jessica M D'Amico
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Louisville, Kentucky
- Conditions
- Obstructive Pulmonary Disease, Exacerbation Copd
- Interventions
- Stable isotope infusion, Protein and Fish Oil, Protein and Olive Oil, Carbohydrate and Olive Oil
- Other · Dietary Supplement
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 45 Years and older
- Enrollment
- 5 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- College Station, Texas
- Conditions
- Diarrhea, Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- Lactobacillus plantarum strain 299v, Lactobacillus acidophilus probiotic, placebo, laboratory biomarker analysis, questionnaire administration, quality-of-life assessment, Bifidobacterium lactis probiotic supplement
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2012
- U.S. locations
- 1
- States / cities
- Stanford, California