{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zinc+sulfate+220+mg+once+daily",
    "query": {
      "intervention": "Zinc sulfate 220 mg once daily"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T18:43:02.839Z",
  "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": "NCT04072822",
      "title": "Trial of Anakinra (Plus Zinc) or Prednisone in Patients With Severe Alcoholic Hepatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcoholic Hepatitis"
      ],
      "interventions": [
        {
          "name": "Anakinra and Zinc",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 147,
      "start_date": "2020-07-10",
      "completion_date": "2022-08-12",
      "has_results": true,
      "last_update_posted_date": "2025-02-10",
      "last_synced_at": "2026-10-02T18:43:02.839Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Indianapolis, Indiana + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04072822"
    },
    {
      "nct_id": "NCT01899521",
      "title": "Examination of Zinc, S-adenosylmethionine, and Combination Therapy Versus Placebo in Alcoholics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Zinc sulfate 220 mg once daily",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "S-adenosylmethionine 400 mg twice daily",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 113,
      "start_date": "2013-05-01",
      "completion_date": "2017-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-02T18:43:02.839Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01899521"
    },
    {
      "nct_id": "NCT04621461",
      "title": "Placebo Controlled Trial to Evaluate Zinc for the Treatment of COVID-19 in the Outpatient Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Corona Virus Infection"
      ],
      "interventions": [
        {
          "name": "Zinc Sulfate 220 MG",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "St. Francis Hospital, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2020-12-20",
      "completion_date": "2021-02-08",
      "has_results": false,
      "last_update_posted_date": "2021-02-11",
      "last_synced_at": "2026-10-02T18:43:02.839Z",
      "location_count": 1,
      "location_summary": "Roslyn, New York",
      "locations": [
        {
          "city": "Roslyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04621461"
    }
  ]
}