{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Selenium+supplementation",
    "query": {
      "intervention": "Selenium supplementation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Selenium+supplementation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T02:15:35.522Z",
  "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": "NCT00008385",
      "title": "Selenium in Preventing Tumor Growth in Patients With Previously Resected Stage I Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "selenium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "ECOG-ACRIN Cancer Research Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1772,
      "start_date": "2000-12-18",
      "completion_date": "2019-11",
      "has_results": true,
      "last_update_posted_date": "2023-07-05",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 515,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 339 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00008385"
    },
    {
      "nct_id": "NCT00736645",
      "title": "Selenomethionine and Finasteride Before Surgery or Radiation Therapy in Treating Patients With Stage I or Stage II Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "selenomethionine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "finasteride",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 55,
      "start_date": "2008-08",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2023-10-02",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00736645"
    },
    {
      "nct_id": "NCT00572741",
      "title": "Treating Oxidative Stress and the Metabolic Pathology of Autism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autistic Disorder"
      ],
      "interventions": [
        {
          "name": "B12",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "folate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "B complex",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "cod liver oil",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Mineral complex",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "carnitine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Arkansas Children's Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "3 Years to 7 Years"
      },
      "enrollment_count": 39,
      "start_date": "2008-06",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-05-05",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00572741"
    },
    {
      "nct_id": "NCT02066610",
      "title": "Effect of Selenium Supplementation on Trace Mineral Antioxidant Enzyme and Amino Acid Metabolism in Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Infants"
      ],
      "interventions": [
        {
          "name": "selenium and sodium selenate supplementation",
          "type": "OTHER"
        },
        {
          "name": "selenium and sodium selenite supplementation",
          "type": "OTHER"
        },
        {
          "name": "Without selenium and sodium selenate supplementation",
          "type": "OTHER"
        },
        {
          "name": "Without selenium and sodium selenite supplementation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abbott Nutrition",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 47,
      "start_date": "1991-03",
      "completion_date": "1993-06",
      "has_results": false,
      "last_update_posted_date": "2014-02-19",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02066610"
    },
    {
      "nct_id": "NCT00395161",
      "title": "The CRISIS Prevention Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Metoclopramide",
          "type": "DRUG"
        },
        {
          "name": "Zinc",
          "type": "DRUG"
        },
        {
          "name": "Glutamine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Selenium",
          "type": "DRUG"
        },
        {
          "name": "saline",
          "type": "OTHER"
        },
        {
          "name": "sterile water",
          "type": "OTHER"
        },
        {
          "name": "selenium",
          "type": "OTHER"
        },
        {
          "name": "whey-protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Michael Dean",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Months to 17 Years"
      },
      "enrollment_count": 293,
      "start_date": "2007-04",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2013-04-18",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 7,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Washington D.C., District of Columbia + 3 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00395161"
    },
    {
      "nct_id": "NCT03360435",
      "title": "Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bariatric Surgery Candidate",
        "Vitamin Deficiency",
        "Mineral Deficiency"
      ],
      "interventions": [
        {
          "name": "Patch MD MultiVitamin Plus patch",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2017-12-15",
      "completion_date": "2021-07-07",
      "has_results": false,
      "last_update_posted_date": "2021-07-09",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03360435"
    },
    {
      "nct_id": "NCT00133978",
      "title": "Trial of Glutamine and Antioxidant Supplementation in Critically Ill Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "Sepsis",
        "Multiple Organ Failure"
      ],
      "interventions": [
        {
          "name": "Glutamine",
          "type": "OTHER"
        },
        {
          "name": "Antioxidants",
          "type": "OTHER"
        },
        {
          "name": "Glutamine + Antioxidants",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Daren K. Heyland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1223,
      "start_date": "2005-04",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2021-01-07",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 5,
      "location_summary": "Aurora, Colorado • Louisville, Kentucky • Dayton, Ohio + 2 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00133978"
    },
    {
      "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": "2026-09-03T02:15:35.522Z",
      "location_count": 1,
      "location_summary": "Corvallis, Oregon",
      "locations": [
        {
          "city": "Corvallis",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02876315"
    },
    {
      "nct_id": "NCT07427017",
      "title": "Selenium Supplementation in Moderate-Severely Active Ulcerative Colitis Patients Treated With Advanced Therapies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ulcerative Colitis (UC)"
      ],
      "interventions": [
        {
          "name": "Selenium supplementation",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 180,
      "start_date": "2026-04-29",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07427017"
    },
    {
      "nct_id": "NCT00860470",
      "title": "Antenatal Micronutrient Supplementation and Infant Survival",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infant Mortality",
        "Preterm Birth",
        "Low Birth Weight",
        "Neonatal Mortality",
        "Perinatal Mortality"
      ],
      "interventions": [
        {
          "name": "Iron (27 mg) - folic acid (600 ug)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Multiple micronutrient",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 45 Years · Female only"
      },
      "enrollment_count": 44567,
      "start_date": "2008-01",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-09-03T02:15:35.522Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00860470"
    }
  ]
}