{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diet+Zinc",
    "query": {
      "intervention": "Diet Zinc"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 35,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diet+Zinc&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T00:44:05.434Z",
  "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": "NCT00376987",
      "title": "Zinc Supplements in Lowering Cadmium Levels in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Cervical Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Leukemia",
        "Liver Cancer",
        "Lung Cancer",
        "Pancreatic Cancer",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "zinc oxide",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "21 Years to 120 Years"
      },
      "enrollment_count": 61,
      "start_date": "2003-12",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00376987"
    },
    {
      "nct_id": "NCT05000762",
      "title": "Zinc Supplementation Improves Cardiovascular Morbidity in Patients With Diabetes Mellitus",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Zinc",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wayne State University",
      "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": 0,
      "start_date": "2021-06-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-12-12",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05000762"
    },
    {
      "nct_id": "NCT01865162",
      "title": "Ketogenic Diet as Adjunctive Treatment in Refractory/End-stage Glioblastoma Multiforme: a Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glioblastoma Multiforme"
      ],
      "interventions": [
        {
          "name": "ketogenic diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mid-Atlantic Epilepsy and Sleep Center, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 6,
      "start_date": "2013-01",
      "completion_date": "2021-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-09",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01865162"
    },
    {
      "nct_id": "NCT00726102",
      "title": "Development and Health of Rural Chinese Children Fed Meat as a Daily Complementary Food From 6-18 Mos of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutritional Deficiencies"
      ],
      "interventions": [
        {
          "name": "Meat",
          "type": "OTHER"
        },
        {
          "name": "Cereal",
          "type": "OTHER"
        },
        {
          "name": "fortified rice cereal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "18 Months",
        "sex": "ALL",
        "summary": "6 Months to 18 Months"
      },
      "enrollment_count": 1488,
      "start_date": "2008-11",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2016-04-28",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00726102"
    },
    {
      "nct_id": "NCT00754390",
      "title": "Effects of Calcium and Phytate on Zinc Absorption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Zinc Absorption"
      ],
      "interventions": [
        {
          "name": "Moderate Calcium, Low phytate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Moderate Calcium, High Phytate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Calcium, Low Phytate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Calcium, High Phytate Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USDA Grand Forks Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 50 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2005-11",
      "completion_date": "2006-05",
      "has_results": true,
      "last_update_posted_date": "2018-07-02",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00754390"
    },
    {
      "nct_id": "NCT03934346",
      "title": "Determination of Pre-Absorptive Dissociation of Zinc From a Zinc Amino Acid Complex in Healthy Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fractional Zinc Absorption"
      ],
      "interventions": [
        {
          "name": "Zinc amino acid complex",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 13,
      "start_date": "2019-06-10",
      "completion_date": "2019-12-16",
      "has_results": false,
      "last_update_posted_date": "2020-01-22",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03934346"
    },
    {
      "nct_id": "NCT02950259",
      "title": "Pre-operative IRX-2 in Early Stage Breast Cancer (ESBC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Neoplasm",
        "Breast Neoplasm, Male",
        "Triple Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Multivitamin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Providence Health & Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 16,
      "start_date": "2017-02-09",
      "completion_date": "2025-09-25",
      "has_results": true,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02950259"
    },
    {
      "nct_id": "NCT05236374",
      "title": "Effects of Daily Beef Intake, as a Component of a Heart-Healthy Diet on Cellular Zinc",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Zinc Deficiency",
        "Inflammation",
        "Metabolic Diseases",
        "Vascular Diseases"
      ],
      "interventions": [
        {
          "name": "Beef protein",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "55 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-10-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05236374"
    },
    {
      "nct_id": "NCT02053506",
      "title": "Nutrition Interventions to Support the Immune System in Response to Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mitigation of Immune Function Decrements in Response to Stress"
      ],
      "interventions": [
        {
          "name": "Immune-enhancing nutritional beverage",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Probiotics (BB-12)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (for nutritional beverage and probiotic)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 63,
      "start_date": "2014-01",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-05-02",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Natick, Massachusetts",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02053506"
    },
    {
      "nct_id": "NCT05273710",
      "title": "Effects of Dietary Folate and Phytate Zinc Absorption: Zinc Amino Acid Complexes vs. Zinc-chloride",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Zinc Absorption"
      ],
      "interventions": [
        {
          "name": "Regular toast and juice",
          "type": "OTHER"
        },
        {
          "name": "High phytate toast and juice",
          "type": "OTHER"
        },
        {
          "name": "Regular toast and juice, with folic acid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "19 Years to 50 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2022-03-28",
      "completion_date": "2022-11-16",
      "has_results": false,
      "last_update_posted_date": "2022-12-21",
      "last_synced_at": "2026-10-11T00:44:05.434Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05273710"
    }
  ]
}