{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ascorbic+acid&page=2",
    "query": {
      "intervention": "ascorbic acid",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ascorbic+acid&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T13:13:33.799Z",
  "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": "NCT02300064",
      "title": "Exercise in Health and Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Knee-extensor exercise test",
          "type": "OTHER"
        },
        {
          "name": "Exercise test with restricting/releasing blood flow",
          "type": "OTHER"
        },
        {
          "name": "Exercise test with variable oxygen concentration and MRI",
          "type": "OTHER"
        },
        {
          "name": "Exercise test with oral antioxidant or placebo cocktail",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 185,
      "start_date": "2009-01",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-06-01",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02300064"
    },
    {
      "nct_id": "NCT02966665",
      "title": ": Vascular Function in Health and Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Pulmonary Artery Hypertension",
        "Heart Failure",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Maximum Exercise Tests",
          "type": "OTHER"
        },
        {
          "name": "BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate",
          "type": "DRUG"
        },
        {
          "name": "BQ-123",
          "type": "DRUG"
        },
        {
          "name": "Fexofenadine, Ranitidine",
          "type": "DRUG"
        },
        {
          "name": "Angiotensin-II, Valsartan",
          "type": "OTHER"
        },
        {
          "name": "Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine",
          "type": "DRUG"
        },
        {
          "name": "BQ-123, MitoQ, BH4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Russell Richardson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 420,
      "start_date": "2008-09",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-26",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02966665"
    },
    {
      "nct_id": "NCT06989320",
      "title": "Endogenous Oxalate Synthesis in Idiopathic Calcium Oxalate Kidney Stone Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones",
        "Kidney Calculi",
        "Urolithiasis",
        "Urolithiasis, Calcium Oxalate",
        "Nephrolithiasis",
        "Nephrolithiasis, Calcium Oxalate",
        "Oxalate Urolithiasis",
        "Healthy",
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Low-oxalate diet and glycolate dosing",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Oral glycolate dosing",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Oral 13C- ascorbic acid dosing",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 80,
      "start_date": "2025-05-27",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Dallas, Texas",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06989320"
    },
    {
      "nct_id": "NCT00881803",
      "title": "Iron & Vitamin C Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spinal Cord Injury"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "18 Years to 90 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2008-06",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-05-23",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00881803"
    },
    {
      "nct_id": "NCT04103099",
      "title": "Impact of HLNatural Immune Supplement on Colds",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immune System Diseases"
      ],
      "interventions": [
        {
          "name": "HLNatural Immune",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Hawthorne Effect Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2019-10-16",
      "completion_date": "2020-08-15",
      "has_results": false,
      "last_update_posted_date": "2021-11-15",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 1,
      "location_summary": "Lafayette, California",
      "locations": [
        {
          "city": "Lafayette",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04103099"
    },
    {
      "nct_id": "NCT00534014",
      "title": "Vitamin C and Cardiovascular Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atherosclerosis",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 8,
      "start_date": "2006-01",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00534014"
    },
    {
      "nct_id": "NCT02011789",
      "title": "Metabolism And Health Effects Of Citrus Limonoids in Hypercholesterolemic Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypercholesterolemia"
      ],
      "interventions": [
        {
          "name": "Citrus Limonoid Beverage",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo beverage",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2007-04",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2013-12-13",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02011789"
    },
    {
      "nct_id": "NCT04553666",
      "title": "Reducing Frailty for Older Cancer Survivors Using Supplements",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Frailty",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Epigallocatechin-3-Gallate (EGCG) plus Ascorbic Acid (Vitamin C)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2021-04-28",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04553666"
    },
    {
      "nct_id": "NCT02838901",
      "title": "Dietary Nitrate Supplements and Ischemic Stroke Recovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stroke",
        "Ischemic Stroke",
        "Cerebrovascular Accident"
      ],
      "interventions": [
        {
          "name": "Beet it Beetroot juice",
          "type": "DRUG"
        },
        {
          "name": "Beet It Placebo Beetroot juice",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2012-06",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2018-04-10",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02838901"
    },
    {
      "nct_id": "NCT04150042",
      "title": "SHARON: A Clinical Trial for Metastatic Cancer Using Chemotherapy and Patients' Own Stem Cells",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Adenocarcinoma Metastatic",
        "BRCA1 Mutation",
        "BRCA2 Mutation",
        "Pancreatic Acinar Cell Carcinoma",
        "Pancreatic Ductal Adenocarcinoma",
        "Pancreatic Cancer",
        "Metastatic Pancreatic Cancer",
        "Metastatic Pancreatic Ductal Adenocarcinoma",
        "Breast Cancer Metastatic",
        "Breast Cancer Stage IV",
        "Pancreatic Cancer Stage IV",
        "HER2-negative Breast Cancer",
        "HER2 Negative Breast Carcinoma",
        "Adenocarcinoma of the Breast",
        "PALB2 Gene Mutation",
        "Pancreas Cancer, Metastatic",
        "Pancreas Cancer, Recurrent",
        "Pancreas Cancer",
        "Stage IV Pancreatic Cancer",
        "Stage 4 Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "BCNU",
          "type": "DRUG"
        },
        {
          "name": "Vitamin B12B",
          "type": "DRUG"
        },
        {
          "name": "Vitamin C",
          "type": "DRUG"
        },
        {
          "name": "Autologous Hematopoietic Stem Cells",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "General Oncology, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2021-01-13",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-09-08T13:13:33.799Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04150042"
    }
  ]
}