{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ascorbic+Acid+Deficiency",
    "query": {
      "condition": "Ascorbic Acid Deficiency"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T17:40:41.564Z",
  "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": "NCT07285109",
      "title": "The Impact of Qualia Vitamin C+ on Blood Vitamin C Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin C Deficiency"
      ],
      "interventions": [
        {
          "name": "Qualia Vitamin C+",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Qualia Life Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2025-12-23",
      "completion_date": "2026-03-11",
      "has_results": true,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Carlsbad, California",
      "locations": [
        {
          "city": "Carlsbad",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07285109"
    },
    {
      "nct_id": "NCT05612867",
      "title": "Low Dose Vitamin C in Burns >20% Compared to Previous Studies With High Dose Vitamin C",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Burns",
        "Ascorbic Acid Deficiency",
        "Burn Shock",
        "Burn Degree Second",
        "Burn Degree Third",
        "Fluid and Electrolyte Imbalance"
      ],
      "interventions": [
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Arrowhead Regional Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 54,
      "start_date": "2020-12-12",
      "completion_date": "2021-01-08",
      "has_results": false,
      "last_update_posted_date": "2022-11-10",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Colton, California",
      "locations": [
        {
          "city": "Colton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05612867"
    },
    {
      "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": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001870"
    },
    {
      "nct_id": "NCT03913468",
      "title": "Outcomes of Septic Shock Patients Treated With a Metabolic Resuscitation Bundle Consisting of Intravenous Hydrocortisone, Ascorbic Acid and Thiamine.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Septic Shock",
        "Ascorbic Acid Deficiency"
      ],
      "interventions": [
        {
          "name": "Intravenous Ascorbic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 206,
      "start_date": "2019-01-01",
      "completion_date": "2019-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-09-14",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03913468"
    },
    {
      "nct_id": "NCT07612345",
      "title": "High-Dose Vitamin C in G6PDA and Pyruvate Kinase Deficiency: A Safety Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pyruvate Kinase Deficiency",
        "Glucose 6 Phosphate Dehydrogenase Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin C",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2026-07-15",
      "completion_date": "2027-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07612345"
    },
    {
      "nct_id": "NCT00532844",
      "title": "A Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Sapropterin Dihydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Sapropterin Dihydrochloride and Vitamin C",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioMarin Pharmaceutical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 52,
      "start_date": "2007-09",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2021-05-17",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00532844"
    },
    {
      "nct_id": "NCT02876315",
      "title": "The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Redoxon VI",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Oregon State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 42,
      "start_date": "2016-12",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2022-12-01",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Corvallis, Oregon",
      "locations": [
        {
          "city": "Corvallis",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02876315"
    },
    {
      "nct_id": "NCT03938584",
      "title": "The Effect of Vitamin C on Wound Healing In Mandibular Fracture Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin C Deficiency",
        "Smoking",
        "Surgery",
        "Surgery--Complications",
        "Wound",
        "Wound Complication",
        "Wound Infection",
        "Wound Dehiscence",
        "Wound of Skin",
        "Mandible Fracture",
        "Mandible Open Fracture",
        "Mandible Closed Fracture",
        "Mandibular Fractures",
        "Ascorbic Acid Deficiency",
        "Oxidative Stress",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2017-10-12",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-01-26",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03938584"
    },
    {
      "nct_id": "NCT00570895",
      "title": "Effect of Vitamin C on Iron Absorption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "4 Years to 8 Years"
      },
      "enrollment_count": 22,
      "start_date": "2008-01",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2020-06-26",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00570895"
    },
    {
      "nct_id": "NCT00037063",
      "title": "A Study to See if Certain Antioxidants and Vitamins Will Keep Lactate Levels Down in Patients Taking Anti-HIV Drugs",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Thiamine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Riboflavin",
          "type": "DRUG"
        },
        {
          "name": "Ascorbic acid",
          "type": "DRUG"
        },
        {
          "name": "Vitamin E",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-06-10T17:40:41.564Z",
      "location_count": 4,
      "location_summary": "Denver, Colorado • Cleveland, Ohio • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00037063"
    }
  ]
}