{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cysteine%2Fglycine", "query": { "intervention": "Cysteine/glycine" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 14, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cysteine%2Fglycine&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-08T13:35:34.981Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT03493178", "title": "Glutathione in Mild Cognitive Impairment", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Mild Cognitive Impairment" ], "interventions": [ { "name": "Glycine", "type": "DIETARY_SUPPLEMENT" }, { "name": "N-acetylcysteine (NAC)", "type": "DIETARY_SUPPLEMENT" }, { "name": "Alanine", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "55 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "55 Years to 85 Years" }, "enrollment_count": 60, "start_date": "2018-04-19", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2026-09-04", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03493178" }, { "nct_id": "NCT04006301", "title": "First-in-Human Study of JNJ-74699157 in Participants With Tumors Harboring the KRAS G12C Mutation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Neoplasms", "Advanced Solid Tumors", "Non-small Cell Lung Cancer", "Colorectal Cancer" ], "interventions": [ { "name": "JNJ-74699157", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 10, "start_date": "2019-07-26", "completion_date": "2020-07-13", "has_results": false, "last_update_posted_date": "2020-11-06", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 4, "location_summary": "Sarasota, Florida • Tampa, Florida • Nashville, Tennessee + 1 more", "locations": [ { "city": "Sarasota", "state": "Florida" }, { "city": "Tampa", "state": "Florida" }, { "city": "Nashville", "state": "Tennessee" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04006301" }, { "nct_id": "NCT04703036", "title": "Glutathione, Oxidative Stress and Mitochondrial Function in COVID-19", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Covid19" ], "interventions": [ { "name": "Glycine", "type": "DIETARY_SUPPLEMENT" }, { "name": "N-acetylcysteine", "type": "DIETARY_SUPPLEMENT" }, { "name": "Alanine", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "55 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "55 Years to 85 Years" }, "enrollment_count": 4, "start_date": "2021-01-11", "completion_date": "2023-03-31", "has_results": false, "last_update_posted_date": "2024-06-26", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04703036" }, { "nct_id": "NCT03911076", "title": "Phase II Study of Treatment for HPV16+ ASC-US, ASC-H and LSIL", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "ASC-US", "ASC-H", "LSIL" ], "interventions": [ { "name": "PVX-2", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "PapiVax Biotech, Inc.", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "25 Years", "maximum_age": "70 Years", "sex": "FEMALE", "summary": "25 Years to 70 Years · Female only" }, "enrollment_count": 16, "start_date": "2019-05-22", "completion_date": "2022-06-08", "has_results": false, "last_update_posted_date": "2024-06-17", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 6, "location_summary": "Port Saint Lucie, Florida • Newark, New Jersey • Fairfield, Ohio + 3 more", "locations": [ { "city": "Port Saint Lucie", "state": "Florida" }, { "city": "Newark", "state": "New Jersey" }, { "city": "Fairfield", "state": "Ohio" }, { "city": "Austin", "state": "Texas" }, { "city": "Corpus Christi", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03911076" }, { "nct_id": "NCT02348775", "title": "Glutathione and Function in HIV Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HIV Infection", "Erythrocyte Glutathione Deficiency" ], "interventions": [ { "name": "GlyNAC (combination of glycine and n-acetylcysteine)", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "45 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "45 Years to 65 Years" }, "enrollment_count": 16, "start_date": "2014-11", "completion_date": "2020-08", "has_results": true, "last_update_posted_date": "2021-02-21", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02348775" }, { "nct_id": "NCT04740580", "title": "Glutathione, Brain Metabolism and Inflammation in Alzheimer's Disease", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Alzheimer Disease" ], "interventions": [ { "name": "Glycine", "type": "DIETARY_SUPPLEMENT" }, { "name": "N-acetylcysteine", "type": "DIETARY_SUPPLEMENT" }, { "name": "Alanine", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "55 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "55 Years to 85 Years" }, "enrollment_count": 52, "start_date": "2022-02-15", "completion_date": "2026-12-31", "has_results": false, "last_update_posted_date": "2025-06-10", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04740580" }, { "nct_id": "NCT06083480", "title": "Reducing Perioperative Oxidative Stress to Prevent Postoperative Chronic Pain Following Total Knee Arthroplasty", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Osteoarthritis, Knee", "Total Knee Arthroplasty", "Chronic Postsurgical Pain" ], "interventions": [ { "name": "GlyNAC (combination of glycine and n-acetylcysteine)", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Vanderbilt University Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 148, "start_date": "2024-12-06", "completion_date": "2029-03", "has_results": false, "last_update_posted_date": "2025-12-11", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT06083480" }, { "nct_id": "NCT01355198", "title": "Role of HIV on Glutathione Synthesis and Oxidative Stress", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HIV Infection", "Erythrocyte Glutathione Deficiency" ], "interventions": [ { "name": "Cysteine (as n-acetylcysteine) and glycine", "type": "DIETARY_SUPPLEMENT" }, { "name": "Cysteine/glycine", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "70 Years", "sex": "MALE", "summary": "21 Years to 70 Years · Male only" }, "enrollment_count": 10, "start_date": "2010-08", "completion_date": "2011-09", "has_results": false, "last_update_posted_date": "2013-02-07", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01355198" }, { "nct_id": "NCT06247813", "title": "Pilot Study: Impact of Biomarker-Guided Dietary Supplementation on Quality-of-Life Measures in Subjects With Chronic Pain", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Pain" ], "interventions": [ { "name": "Inflammation Support Formula", "type": "DIETARY_SUPPLEMENT" }, { "name": "Nerve Health Formula", "type": "DIETARY_SUPPLEMENT" }, { "name": "Redox Support Formula", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Ethos Research & Development", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 75, "start_date": "2024-02-08", "completion_date": "2025-07-30", "has_results": false, "last_update_posted_date": "2024-09-19", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 1, "location_summary": "Newport, Kentucky", "locations": [ { "city": "Newport", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT06247813" }, { "nct_id": "NCT01870193", "title": "Glutathione and Fuel Oxidation in Aging", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Aging" ], "interventions": [ { "name": "Glycine, cysteine (as n-acetylcysteine), alanine", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Rajagopal V Sekhar", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "21 Years to 80 Years" }, "enrollment_count": 36, "start_date": "2013-04-23", "completion_date": "2022-08-22", "has_results": false, "last_update_posted_date": "2023-02-15", "last_synced_at": "2026-09-08T13:35:34.981Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01870193" } ] }