{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ascorbic+Acid+Placebo&page=2",
    "query": {
      "intervention": "Ascorbic Acid Placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 165,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ascorbic+Acid+Placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ascorbic+Acid+Placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T19:04:22.080Z",
  "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": "NCT02926651",
      "title": "Single Versus Multi-Dose Oral Tranexamic Acid in Patients at High Risk for Blood Transfusion After Total Joint Arthroplasty",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anemia",
        "Arthritis",
        "Total Knee Arthroplasty",
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Conventional Oral TXA (Tranexamic Acid)",
          "type": "DRUG"
        },
        {
          "name": "Multi-Dose Oral TXA (Tranexamic Acid)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2016-10",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2021-10-26",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02926651"
    },
    {
      "nct_id": "NCT03203603",
      "title": "VCSIP Follow-up Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Pulmonary Function",
        "Wheezing",
        "In Utero Nicotine"
      ],
      "interventions": [
        {
          "name": "No active intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "4 Years",
        "sex": "ALL",
        "summary": "6 Months to 4 Years"
      },
      "enrollment_count": 242,
      "start_date": "2017-03-27",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Portland, Oregon",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03203603"
    },
    {
      "nct_id": "NCT04898023",
      "title": "Zinc and Green Tea Extract for Community Respiratory Viral Infections",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Viral Infection"
      ],
      "interventions": [
        {
          "name": "zinc-green tea extract-ascorbic acid",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2022-09-21",
      "completion_date": "2023-12-20",
      "has_results": true,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04898023"
    },
    {
      "nct_id": "NCT07092618",
      "title": "Effectiveness of Alternative Therapies in Maintaining Weight Loss Achieved by GLP-1 Medications Post-Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Longevity",
        "GLP-1",
        "Geroscience",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Rapamycin",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "AgelessRx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 150,
      "start_date": "2024-12-17",
      "completion_date": "2025-08",
      "has_results": false,
      "last_update_posted_date": "2025-07-30",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07092618"
    },
    {
      "nct_id": "NCT07271316",
      "title": "Alii Supplement Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nutrient Deficiency",
        "Happiness",
        "Digestive Health",
        "Vulnerability to Disease",
        "Mood Swings",
        "Energy"
      ],
      "interventions": [
        {
          "name": "Alii Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas Christian University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 25 Years · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2026-01-12",
      "completion_date": "2026-04-20",
      "has_results": true,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07271316"
    },
    {
      "nct_id": "NCT03293004",
      "title": "Collagen Vitamin C Dose Response Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Hydrolyzed collagen",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Optimized Hydrolyzed Collagen and Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Gummy Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "18 Years to 25 Years · Male only"
      },
      "enrollment_count": 23,
      "start_date": "2017-09-13",
      "completion_date": "2018-05-24",
      "has_results": false,
      "last_update_posted_date": "2018-08-21",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03293004"
    },
    {
      "nct_id": "NCT04138394",
      "title": "VItamin C in Thermal injuRY: The VICToRY Trial",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Shock",
        "Thermal Burn"
      ],
      "interventions": [
        {
          "name": "Ascorbic Acid",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clinical Evaluation Research Unit at Kingston General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 666,
      "start_date": "2020-07-24",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Bridgeport, Connecticut • Washington D.C., District of Columbia + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bridgeport",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04138394"
    },
    {
      "nct_id": "NCT00197756",
      "title": "Vitamins, Breastmilk HIV Shedding, and Child Health",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Maternal and Child Health Outcomes"
      ],
      "interventions": [
        {
          "name": "Vitamin A alone",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Multivitamins excluding vitamin A",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "multivitamins including vitamin A",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Harvard School of Public Health (HSPH)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 771,
      "start_date": "2004-09",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2009-08-21",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197756"
    },
    {
      "nct_id": "NCT03509350",
      "title": "Vitamin C, Thiamine, and Steroids in Sepsis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Vitamin C",
          "type": "DRUG"
        },
        {
          "name": "Thiamine",
          "type": "DRUG"
        },
        {
          "name": "Hydrocortisone",
          "type": "DRUG"
        },
        {
          "name": "Vitamin C Placebo",
          "type": "DRUG"
        },
        {
          "name": "Thiamine Placebo",
          "type": "DRUG"
        },
        {
          "name": "Hydrocortisone Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 501,
      "start_date": "2018-08-22",
      "completion_date": "2020-01-29",
      "has_results": true,
      "last_update_posted_date": "2021-04-13",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 43,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 30 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03509350"
    },
    {
      "nct_id": "NCT06861088",
      "title": "The Effect of Kinisoquin™ on Thromboembolic Events in Patients With Metastatic or Locally Advanced Pancreatic Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Venous Thromboembolism",
        "Metastatic Pancreatic Cancer",
        "Locally Advanced Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Kinisoquin™",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Quercis Pharma AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 480,
      "start_date": "2025-12-19",
      "completion_date": "2029-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-09-30T19:04:22.080Z",
      "location_count": 3,
      "location_summary": "Ventura, California • Miami Lakes, Florida • Boston, Massachusetts",
      "locations": [
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06861088"
    }
  ]
}