{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zinc+Supplementation",
    "query": {
      "intervention": "Zinc Supplementation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 44,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zinc+Supplementation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T21:24:40.676Z",
  "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": "NCT01772680",
      "title": "Zinc and Diabetes in Patients With Thalassemia: a Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thalassemia"
      ],
      "interventions": [
        {
          "name": "Zinc Supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "UCSF Benioff Children's Hospital Oakland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2012-11",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2020-11-24",
      "last_synced_at": "2026-09-10T21:24:40.676Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01772680"
    },
    {
      "nct_id": "NCT05522179",
      "title": "Nutritional Supplements and Foot Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Foot Injuries and Disorders"
      ],
      "interventions": [
        {
          "name": "NutraHeal",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "NutraHeal Plus",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "NutraHeal",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 46,
      "start_date": "2022-08-29",
      "completion_date": "2023-07-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-09-10T21:24:40.676Z",
      "location_count": 3,
      "location_summary": "Altoona, Pennsylvania • Ebensburg, Pennsylvania • State College, Pennsylvania",
      "locations": [
        {
          "city": "Altoona",
          "state": "Pennsylvania"
        },
        {
          "city": "Ebensburg",
          "state": "Pennsylvania"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05522179"
    },
    {
      "nct_id": "NCT00696410",
      "title": "The Impact of Zinc Supplementation on Left Ventricular Function in Nonischemic Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure",
        "Cardiomyopathies"
      ],
      "interventions": [
        {
          "name": "Zinc Acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2008-06",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2017-11-06",
      "last_synced_at": "2026-09-10T21:24:40.676Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00696410"
    },
    {
      "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": "2026-09-10T21:24:40.676Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04898023"
    },
    {
      "nct_id": "NCT04117022",
      "title": "Diabetic Retinopathy Functional Evaluation Study: Monitoring Carotenoid Vitamins Treatment Using ERG",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "DVS supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ZeaVision, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 45,
      "start_date": "2019-09-01",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-09-10T21:24:40.676Z",
      "location_count": 2,
      "location_summary": "Pomona, California • Tahlequah, Oklahoma",
      "locations": [
        {
          "city": "Pomona",
          "state": "California"
        },
        {
          "city": "Tahlequah",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04117022"
    },
    {
      "nct_id": "NCT02856269",
      "title": "Zinc Supplementation and Cardiovascular Risk in HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Zinc gluconate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Grace McComsey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2016-09",
      "completion_date": "2018-04-16",
      "has_results": true,
      "last_update_posted_date": "2022-02-11",
      "last_synced_at": "2026-09-10T21:24:40.676Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02856269"
    },
    {
      "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": "2026-09-10T21:24:40.676Z",
      "location_count": 1,
      "location_summary": "Corvallis, Oregon",
      "locations": [
        {
          "city": "Corvallis",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02876315"
    },
    {
      "nct_id": "NCT01166815",
      "title": "Zinc Supplementation to Reduce Diarrhea Rates in Adults in Western Kenya.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Diarrhea",
        "Malaria"
      ],
      "interventions": [
        {
          "name": "Zinc sulphate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 500,
      "start_date": "2007-07",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2010-07-22",
      "last_synced_at": "2026-09-10T21:24:40.676Z",
      "location_count": 2,
      "location_summary": "Natick, Massachusetts • Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        },
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01166815"
    },
    {
      "nct_id": "NCT03819088",
      "title": "Effects on Quality of Life With Zinc Supplementation in Patients With Gastrointestinal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastric Carcinoma",
        "Liver and Intrahepatic Bile Duct Carcinoma",
        "Unresectable Esophageal Carcinoma",
        "Unresectable Pancreatic Carcinoma"
      ],
      "interventions": [
        {
          "name": "Zinc",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 17,
      "start_date": "2019-04-17",
      "completion_date": "2022-03-22",
      "has_results": false,
      "last_update_posted_date": "2025-10-09",
      "last_synced_at": "2026-09-10T21:24:40.676Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03819088"
    },
    {
      "nct_id": "NCT03619421",
      "title": "Zinc Supplement Before or With Food in Generally Healthy Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Zinc Deficiency",
        "Dyslipidemias",
        "Zinc Excess",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Zinc supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "UCSF Benioff Children's Hospital Oakland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 35,
      "start_date": "2018-08-21",
      "completion_date": "2019-04-15",
      "has_results": false,
      "last_update_posted_date": "2019-05-01",
      "last_synced_at": "2026-09-10T21:24:40.676Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03619421"
    }
  ]
}