{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=multivitamins+including+vitamin+A",
    "query": {
      "intervention": "multivitamins including vitamin A"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=multivitamins+including+vitamin+A&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T11:41:51.180Z",
  "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": "NCT01859390",
      "title": "Effects of an Antioxidant-Enriched Multivitamin Supplement on Inflammation and Oxidative Stress in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "AquADEKs-2",
          "type": "DRUG"
        },
        {
          "name": "control multivitamin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2013-06",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2017-07-14",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 15,
      "location_summary": "Tucson, Arizona • Aurora, Colorado • Orlando, Florida + 12 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01859390"
    },
    {
      "nct_id": "NCT03126877",
      "title": "A Prospective Study to Evaluate the Raindrop Near Vision Inlay in Presbyopic Patients With Treatments to Optimize the Ocular Surface Before Implantation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Mitomycin C",
          "type": "DRUG"
        },
        {
          "name": "Raindrop Near Vision Inlay",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Whitten Laser Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "41 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "41 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2017-04-10",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2017-07-14",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03126877"
    },
    {
      "nct_id": "NCT04005456",
      "title": "Personalized Lifestyle Intervention for Improving Functional Health Outcomes Using N-of-1 Tent-Umbrella-Bucket Design",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health, Subjective",
        "Gastrointestinal Dysfunction",
        "Cardiovascular Risk Factor",
        "Autoimmune Diseases",
        "Dental Diseases",
        "Hormone Disturbance",
        "Neurocognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Supplements and/or medical foods",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Behavioral change support program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Food plan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Metagenics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 400,
      "start_date": "2018-09-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-30",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 1,
      "location_summary": "Gig Harbor, Washington",
      "locations": [
        {
          "city": "Gig Harbor",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04005456"
    },
    {
      "nct_id": "NCT05130905",
      "title": "RiteStart Personal Nutritional Dietary Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Nutrition"
      ],
      "interventions": [
        {
          "name": "RiteStart Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "4Life Research, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2017-09-01",
      "completion_date": "2017-12-20",
      "has_results": false,
      "last_update_posted_date": "2021-11-23",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 1,
      "location_summary": "Sandy City, Utah",
      "locations": [
        {
          "city": "Sandy City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05130905"
    },
    {
      "nct_id": "NCT00527306",
      "title": "Prevention of Recurrent Aphthous Stomatitis Using Vitamins",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Aphthous Stomatitis"
      ],
      "interventions": [
        {
          "name": "multivitamin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2005-12",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2020-08-27",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00527306"
    },
    {
      "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": "2026-09-24T11:41:51.180Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197756"
    },
    {
      "nct_id": "NCT01225198",
      "title": "Vitamin/Mineral Supplement for Children and Adults With Autism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism"
      ],
      "interventions": [
        {
          "name": "Multi-Vitamin/Mineral Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Liquid Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "3 Years to 60 Years"
      },
      "enrollment_count": 143,
      "start_date": "2008-05",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2010-10-20",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01225198"
    },
    {
      "nct_id": "NCT05067998",
      "title": "The Benefits of Natural Medicine, Vitamin IV Therapy and Supplements: Maintaining Good Health Through Nature",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anxiety Disorders and Symptoms",
        "Fibromyalgia",
        "Arthritis",
        "Chronic Pain",
        "Hypertension,Essential"
      ],
      "interventions": [
        {
          "name": "IV Vitamin Infused Therapy Treatment",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Herbal medicine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Faith A. Richardson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 25,
      "start_date": "2025-12-21",
      "completion_date": "2026-09-17",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 1,
      "location_summary": "Dover, Delaware",
      "locations": [
        {
          "city": "Dover",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05067998"
    },
    {
      "nct_id": "NCT04485611",
      "title": "Prehabilitation of Veterans With Exercise and Nutrition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Frailty"
      ],
      "interventions": [
        {
          "name": "Supervised aerobic + resistance training and nutritional support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-05-27",
      "completion_date": "2024-03-29",
      "has_results": true,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04485611"
    },
    {
      "nct_id": "NCT01783704",
      "title": "Improving Community Ambulation After Hip Fracture",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hip Fracture"
      ],
      "interventions": [
        {
          "name": "Nutrition",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PUSH",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PULSE",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2013-06-10",
      "completion_date": "2017-10-17",
      "has_results": false,
      "last_update_posted_date": "2022-01-27",
      "last_synced_at": "2026-09-24T11:41:51.180Z",
      "location_count": 4,
      "location_summary": "Farmington, Connecticut • Baltimore, Maryland • Lebanon, New Hampshire + 1 more",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Glenside",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01783704"
    }
  ]
}