{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ascorbic+acid&page=9",
    "query": {
      "intervention": "ascorbic acid",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 371,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ascorbic+acid&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ascorbic+acid&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T22:09:25.344Z",
  "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": "NCT00519337",
      "title": "Impact of Ascorbic Acid on Post-Cardiothoracic Surgery Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiac Surgery",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Ascorbic acid",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hartford Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2008-10",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2012-01-05",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00519337"
    },
    {
      "nct_id": "NCT04279535",
      "title": "Topical Vitamin C for Treatment of Basal Cell Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Basal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Topical Ascorbic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Center for Biomedical Research, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 25,
      "start_date": "2018-03-01",
      "completion_date": "2019-06-01",
      "has_results": false,
      "last_update_posted_date": "2021-11-02",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Boise, Idaho",
      "locations": [
        {
          "city": "Boise",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04279535"
    },
    {
      "nct_id": "NCT06749808",
      "title": "A Study to Assess the Impact of a Nutritional Supplement on Wellbeing and Nutrient Absorption",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition Status"
      ],
      "interventions": [
        {
          "name": "Carotenoid Nutritional Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Pharmanex",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 36,
      "start_date": "2024-12-01",
      "completion_date": "2025-02",
      "has_results": false,
      "last_update_posted_date": "2024-12-31",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Provo, Utah",
      "locations": [
        {
          "city": "Provo",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06749808"
    },
    {
      "nct_id": "NCT04199624",
      "title": "Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypochlorhydria"
      ],
      "interventions": [
        {
          "name": "Omeprazole 20mg",
          "type": "DRUG"
        },
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 11,
      "start_date": "2021-10-01",
      "completion_date": "2023-06-07",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199624"
    },
    {
      "nct_id": "NCT07652723",
      "title": "A Study to Learn About How Safe BAY3389934 is and How it Affects Blood Clotting When Given Alone or With Aspirin in Healthy Participants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug-drug Interaction"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "BAY3389934",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 16,
      "start_date": "2026-05-29",
      "completion_date": "2027-03-10",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07652723"
    },
    {
      "nct_id": "NCT05932732",
      "title": "Trial Assessing the Impact on Facial Skin Quality, Hydration, and Skin Barrier of Three (3) Hydrafacial Treatments in Adults of All Skin Types.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cutis Laxa Facialis",
        "Xeroderma"
      ],
      "interventions": [
        {
          "name": "HydraFacial Syndeo System",
          "type": "DEVICE"
        },
        {
          "name": "ReGen-GF",
          "type": "DRUG"
        },
        {
          "name": "HydraFacial Elite MD System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Austin Institute for Clinical Research",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "30 Years to 55 Years"
      },
      "enrollment_count": 27,
      "start_date": "2023-11-20",
      "completion_date": "2024-10-09",
      "has_results": false,
      "last_update_posted_date": "2024-10-24",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 2,
      "location_summary": "Houston, Texas • Pflugerville, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Pflugerville",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05932732"
    },
    {
      "nct_id": "NCT00486304",
      "title": "Low Antioxidant Diet in Controlling Cachexia in Patients With Oropharyngeal Cancer Receiving Chemotherapy and Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cachexia",
        "Head and Neck Cancer",
        "Weight Changes"
      ],
      "interventions": [
        {
          "name": "ADD",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2006-02",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2012-04-18",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00486304"
    },
    {
      "nct_id": "NCT02157207",
      "title": "Racial and Aging Effects of Acute Antioxidant Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Antioxidant",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 93,
      "start_date": "2014-04",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-06-16",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02157207"
    },
    {
      "nct_id": "NCT03166787",
      "title": "Hookah Smoking, Carbon Monoxide, and Coronary Endothelial Function",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Charcoal hookah",
          "type": "OTHER"
        },
        {
          "name": "E-coal hookah",
          "type": "OTHER"
        },
        {
          "name": "Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Carbon Monoxide inhalation",
          "type": "DRUG"
        },
        {
          "name": "Room Air inhalation",
          "type": "OTHER"
        },
        {
          "name": "vitamin C",
          "type": "DRUG"
        },
        {
          "name": "tadalafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "21 Years to 49 Years"
      },
      "enrollment_count": 60,
      "start_date": "2017-08-15",
      "completion_date": "2020-10-15",
      "has_results": false,
      "last_update_posted_date": "2021-04-09",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03166787"
    },
    {
      "nct_id": "NCT00001870",
      "title": "Study of the Effects of Vitamin C on Patients With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus, Non-Insulin Dependent",
        "Non-Insulin Dependent"
      ],
      "interventions": [
        {
          "name": "Acetylcholine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150,
      "start_date": "1999-01",
      "completion_date": "2004-12",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-20T22:09:25.344Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001870"
    }
  ]
}