{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Antioxidant+diet&page=2", "query": { "intervention": "Antioxidant diet", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 84, "total_pages": 9, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Antioxidant+diet&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Antioxidant+diet&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-30T07:15:02.503Z", "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"nct_id": "NCT02827747", "title": "The Role of Antioxidant Supplementation in Keratoconus Patients", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Keratoconus" ], "interventions": [ { "name": "Antioxidants (Vitamins A,C,E) plus GSH", "type": "OTHER" }, { "name": "Placebo", "type": "OTHER" }, { "name": "Centrum", "type": "DIETARY_SUPPLEMENT" }, { "name": "Dietary Sources", "type": "COMBINATION_PRODUCT" } ], "intervention_types": [ "OTHER", "DIETARY_SUPPLEMENT", "COMBINATION_PRODUCT" ], "sponsor": "University of Miami", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 0, "start_date": "2021-08-01", "completion_date": "2023-03", "has_results": false, "last_update_posted_date": "2021-08-16", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "Palm Beach Gardens, Florida", "locations": [ { "city": "Palm Beach Gardens", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT02827747" }, { "nct_id": "NCT01073332", "title": "The Effects of a Dietary Supplement on Exercise Performance in Healthy Older Adults\"", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Excessive Physical Exercise, Unspecified" ], "interventions": [ { "name": "Arginine antioxidant supplements", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "50 Years to 75 Years" }, "enrollment_count": 16, "start_date": "2004-10", "completion_date": "2005-02", "has_results": false, "last_update_posted_date": "2015-05-08", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01073332" }, { "nct_id": "NCT02994875", "title": "Functional Magnetic Resonance Imaging of N-acetylcysteine in Cocaine Dependence", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Cocaine Dependence" ], "interventions": [ { "name": "N-acetylcysteine", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DIETARY_SUPPLEMENT", "OTHER" ], "sponsor": "Yale University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 21, "start_date": "2016-05", "completion_date": "2020-09", "has_results": false, "last_update_posted_date": "2020-10-05", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "New Haven, Connecticut", "locations": [ { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT02994875" }, { "nct_id": "NCT00718653", "title": "Effects of Antioxidants on Human Macular Pigments", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Eye Health" ], "interventions": [ { "name": "Lutein", "type": "DIETARY_SUPPLEMENT" }, { "name": "Lutein plus green tea extract", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "National Eye Institute (NEI)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "50 Years to 70 Years" }, "enrollment_count": 40, "start_date": "2004-09", "completion_date": "2007-12", "has_results": false, "last_update_posted_date": "2009-03-03", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT00718653" }, { "nct_id": "NCT01457612", "title": "Effect of 6-week Strawberry Supplementation on Insulin Action (STR2)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Insulin Resistance", "Nutritional Disease", "Metabolic Disease" ], "interventions": [ { "name": "Strawberry", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo1", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo2", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 45, "start_date": "2011-10-01", "completion_date": "2013-03-01", "has_results": false, "last_update_posted_date": "2023-02-08", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT01457612" }, { "nct_id": "NCT04312022", "title": "Impacts of a Combined Berry Extract Supplement on Vascular Function and Oxygen Utility Capacity in Young Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "Berry extract", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DIETARY_SUPPLEMENT", "OTHER" ], "sponsor": "University of Nebraska", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "19 Years", "maximum_age": "35 Years", "sex": "ALL", "summary": "19 Years to 35 Years" }, "enrollment_count": 18, "start_date": "2018-11-04", "completion_date": "2019-06-13", "has_results": true, "last_update_posted_date": "2024-02-06", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "Omaha, Nebraska", "locations": [ { "city": "Omaha", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT04312022" }, { "nct_id": "NCT00756405", "title": "Effects of Dietary Antioxidants on Cardiovascular Risk Factors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity", "Hyperlipidemia", "Hypertension" ], "interventions": [ { "name": "Antioxidant diet", "type": "BEHAVIORAL" }, { "name": "Antioxidant supplement", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "BEHAVIORAL", "DIETARY_SUPPLEMENT" ], "sponsor": "Christopher Gardner", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 88, "start_date": "2007-03", "completion_date": "2008-12", "has_results": false, "last_update_posted_date": "2023-02-22", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "Stanford, California", "locations": [ { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00756405" }, { "nct_id": "NCT07801521", "title": "Feru-guard and General Antioxidant Capacity in Older People", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Healthy Elder People" ], "interventions": [ { "name": "Feru-guard", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DIETARY_SUPPLEMENT", "OTHER" ], "sponsor": "Oregon Health and Science University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": "89 Years", "sex": "ALL", "summary": "65 Years to 89 Years" }, "enrollment_count": 70, "start_date": "2026-11-15", "completion_date": "2028-07-31", "has_results": false, "last_update_posted_date": "2026-09-03", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "Portland, Oregon", "locations": [ { "city": "Portland", "state": "Oregon" } ], "official_url": "https://clinicaltrials.gov/study/NCT07801521" }, { "nct_id": "NCT04394910", "title": "Impact of Antioxidant Juice Intake on Brain Injury and Placental Pathology in Infants With Intrauterine Growth Restriction (IUGR)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Intrauterine Growth Restriction" ], "interventions": [ { "name": "Pomegranate Juice", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo Juice", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Brigham and Women's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "FEMALE", "summary": "18 Years to 45 Years · Female only" }, "enrollment_count": 103, "start_date": "2016-01-16", "completion_date": "2022-02-26", "has_results": false, "last_update_posted_date": "2023-07-06", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04394910" }, { "nct_id": "NCT01966276", "title": "The Synergy Trial: Methylphenidate Plus a CFS-Specific Nutrient Formula as a Treatment for Chronic Fatigue Syndrome", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Fatigue Syndrome (CFS)", "Myalgic Encephalomyelitis (ME)" ], "interventions": [ { "name": "Methyl-P plus Nutrient Formula", "type": "DRUG" }, { "name": "Methyl-P plus Nutrient matched placebos", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "K-PAX Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "59 Years", "sex": "ALL", "summary": "18 Years to 59 Years" }, "enrollment_count": 134, "start_date": "2013-11", "completion_date": "2014-12", "has_results": false, "last_update_posted_date": "2014-09-25", "last_synced_at": "2026-09-30T07:15:02.503Z", "location_count": 4, "location_summary": "Stanford, California • Fort Lauderdale, Florida • New York, New York + 1 more", "locations": [ { "city": "Stanford", "state": "California" }, { "city": "Fort Lauderdale", "state": "Florida" }, { "city": "New York", "state": "New York" }, { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT01966276" } ] }