{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Zinc+Deficiency",
    "query": {
      "condition": "Zinc Deficiency"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Zinc+Deficiency&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:37:23.881Z",
  "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": "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": "2026-05-22T05:37:23.881Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03619421"
    },
    {
      "nct_id": "NCT02500849",
      "title": "Safety Study of Zinc Finger Nuclease CCR5-modified Hematopoietic Stem/Progenitor Cells in HIV-1 Infected Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "SB-728mR-HSPC Infusion 3 days following busulfan conditioning",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "City of Hope Medical Center",
      "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": 12,
      "start_date": "2016-03-10",
      "completion_date": "2026-08-24",
      "has_results": false,
      "last_update_posted_date": "2025-10-09",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 5,
      "location_summary": "Duarte, California • Los Angeles, California • San Francisco, California + 1 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Norwalk",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02500849"
    },
    {
      "nct_id": "NCT02760095",
      "title": "Effects of EED on Zn Absorption and Retention in Children From a Standard Dose",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Environmental Enteric Dysfunction",
        "Zinc Deficiency",
        "Vitamin A Deficiency"
      ],
      "interventions": [
        {
          "name": "3 mg zinc sulfate supplement",
          "type": "DRUG"
        },
        {
          "name": "0.5 mg of 13C10-retinyl-acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "18 Months to 24 Months"
      },
      "enrollment_count": 46,
      "start_date": "2015-11",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-01",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02760095"
    },
    {
      "nct_id": "NCT00149552",
      "title": "Zinc Therapy in HIV Infected Individuals Who Abuse Drugs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "zinc",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Florida International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 231,
      "start_date": "2001-06",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2012-03-05",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00149552"
    },
    {
      "nct_id": "NCT01221129",
      "title": "Zinc and the Synthesis of Zinc Binding Proteins (Protocol B)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Zinc Deficiency"
      ],
      "interventions": [
        {
          "name": "Acclimation",
          "type": "OTHER"
        },
        {
          "name": "Dietary zinc depletion",
          "type": "OTHER"
        },
        {
          "name": "Dietary zinc repletion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "21 Years to 35 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2009-10",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2011-09-20",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01221129"
    },
    {
      "nct_id": "NCT03408899",
      "title": "Evaluating the Safety and Pharmacokinetics of PC-1005 Administered Rectally to HIV-1 Seronegative Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "PC-1005 gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2018-06-19",
      "completion_date": "2019-04-19",
      "has_results": true,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03408899"
    },
    {
      "nct_id": "NCT02758444",
      "title": "Effects of EED on Zn Absorption and Retention in Children From a MNP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Environmental Enteric Dysfunction",
        "Zinc Deficiency"
      ],
      "interventions": [
        {
          "name": "Micronutrient Powder (MNP) + 15 mg Zn",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "MNP + 10 mg Zn",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "MNP + 5 mg Zn",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "MNP without Zn",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "18 Months to 24 Months"
      },
      "enrollment_count": 80,
      "start_date": "2015-11",
      "completion_date": "2019-02",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02758444"
    },
    {
      "nct_id": "NCT02208609",
      "title": "Zinc Bioavailability From Amaranth-enriched Maize Tortillas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutritional Deficiency"
      ],
      "interventions": [
        {
          "name": "Day 1: Maize Tortillas with 20% Amaranth",
          "type": "OTHER"
        },
        {
          "name": "Day 2 Maize Tortillas without 20% Amaranth",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Months",
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "18 Months to 36 Months"
      },
      "enrollment_count": 20,
      "start_date": "2012-01",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-04-29",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02208609"
    },
    {
      "nct_id": "NCT01783067",
      "title": "Zinc and Iron Bioavailability From Biofortified Pearl Millet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutritional Deficiency"
      ],
      "interventions": [
        {
          "name": "Pearl millet",
          "type": "OTHER"
        },
        {
          "name": "Biofortified pearl millet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Months",
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "18 Months to 36 Months"
      },
      "enrollment_count": 44,
      "start_date": "2011-02",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2016-04-28",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01783067"
    },
    {
      "nct_id": "NCT05527899",
      "title": "Zinc Intervention in Elderly for Prevention of Pneumonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Zinc Deficiency"
      ],
      "interventions": [
        {
          "name": "Zinc gluconate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2022-05-03",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-05-22T05:37:23.881Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05527899"
    }
  ]
}