{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+iron+supplementation",
    "query": {
      "intervention": "Oral iron supplementation"
    },
    "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=Oral+iron+supplementation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T20:59:22.306Z",
  "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": "NCT01755455",
      "title": "Does a Daily Iron Tablet Improve Anemia in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis",
        "Anemia, Iron-Deficiency"
      ],
      "interventions": [
        {
          "name": "Ferrous sulfate 325mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 22,
      "start_date": "2011-06",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-16",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 2,
      "location_summary": "Portland, Maine • Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01755455"
    },
    {
      "nct_id": "NCT02189889",
      "title": "Active Preoperative Anemia Management in Patients Undergoing Cardiac Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Anemia",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "EPO",
          "type": "DRUG"
        },
        {
          "name": "Feraheme",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 5,
      "start_date": "2013-04-09",
      "completion_date": "2019-07-26",
      "has_results": true,
      "last_update_posted_date": "2020-10-23",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02189889"
    },
    {
      "nct_id": "NCT03156712",
      "title": "Iron Absorption From Iron-enriched Aspergillus Oryzae",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron-deficiency",
        "Absorption; Iron",
        "Anemia, Iron Deficiency",
        "Bioavailability",
        "Serum Iron"
      ],
      "interventions": [
        {
          "name": "Ferrous sulfate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Iowa State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2013-05-29",
      "completion_date": "2014-02-13",
      "has_results": false,
      "last_update_posted_date": "2017-05-18",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 1,
      "location_summary": "Ames, Iowa",
      "locations": [
        {
          "city": "Ames",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03156712"
    },
    {
      "nct_id": "NCT02404012",
      "title": "Iron Supplement to Improve Iron Status Following Bariatric Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anemia, Iron Deficiency"
      ],
      "interventions": [
        {
          "name": "Oral iron supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 64,
      "start_date": "2014-11",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-05",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02404012"
    },
    {
      "nct_id": "NCT02686905",
      "title": "Vitamin Supplementation After Bariatric Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Complications of Bariatric Procedures",
        "Avitaminosis"
      ],
      "interventions": [
        {
          "name": "Chewable Multivitamin with Iron",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PatchMD Vitamin D3/Calcium Patch",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PatchMD Multivitamin Patch",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PatchMD B12 Energy Plus Patch",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Chewable Calcium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Quick Dissolve B12",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "California State Polytechnic University, Pomona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2016-01",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2016-09-30",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 1,
      "location_summary": "Brea, California",
      "locations": [
        {
          "city": "Brea",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02686905"
    },
    {
      "nct_id": "NCT03523455",
      "title": "Iron Aid IPS on Performance, Fatigue and Iron Levels During 12 Weeks of Supplementation and Aerobic Training",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron-deficiency"
      ],
      "interventions": [
        {
          "name": "Iron Aid IPS (Iron Protein Succinylate)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sugar Pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Mary Hardin-Baylor",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 30 Years · Female only"
      },
      "enrollment_count": 2,
      "start_date": "2016-11-29",
      "completion_date": "2017-11-11",
      "has_results": false,
      "last_update_posted_date": "2018-08-08",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 1,
      "location_summary": "Belton, Texas",
      "locations": [
        {
          "city": "Belton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03523455"
    },
    {
      "nct_id": "NCT00661999",
      "title": "Darbepoetin Alfa With or Without Iron in Treating Anemia Caused By Chemotherapy in Patients With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Leukemia",
        "Lymphoma",
        "Lymphoproliferative Disorder",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Precancerous Condition",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "darbepoetin alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ferrous sulfate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "sodium ferric gluconate complex in sucrose",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 502,
      "start_date": "2006-01",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2011-05-17",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00661999"
    },
    {
      "nct_id": "NCT05349630",
      "title": "Impact of Iron Supplementation on Right Ventricular Function and Exercise Performance in Hypoxia",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Right Ventricular Dysfunction",
        "Hypoxia"
      ],
      "interventions": [
        {
          "name": "Ferrous sulfate 325mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 5,
      "start_date": "2028-03",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05349630"
    },
    {
      "nct_id": "NCT00450177",
      "title": "Efficacy of Enteral Iron Supplementation in Critical Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemic, Critically Ill Patients"
      ],
      "interventions": [
        {
          "name": "Ferrous Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2006-01",
      "completion_date": "2008-01",
      "has_results": true,
      "last_update_posted_date": "2019-07-18",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00450177"
    },
    {
      "nct_id": "NCT07524270",
      "title": "Effera Dose Response: Women's Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Womens Health",
        "Menstrual Symptoms"
      ],
      "interventions": [
        {
          "name": "Effera® (human equivalent lactoferrin)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Helaina Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 160,
      "start_date": "2026-04",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-21T20:59:22.306Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07524270"
    }
  ]
}