{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=iron&page=21",
    "query": {
      "intervention": "iron",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 613,
    "total_pages": 62,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=iron&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=iron&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-10T01:28:22.170Z",
  "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": "NCT07467668",
      "title": "Infusing Needed Iron to Target Insufficiency in Adults Treated for Evidence of Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Deficiency (ID)",
        "Heart Failure",
        "Heart Failure and Reduced Ejection Fraction",
        "Heart Failure and Mildly Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Notification Group",
          "type": "OTHER"
        },
        {
          "name": "No Notification Group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2026-04-20",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 1,
      "location_summary": "Pleasanton, California",
      "locations": [
        {
          "city": "Pleasanton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07467668"
    },
    {
      "nct_id": "NCT05734716",
      "title": "Colorado-Oregon Altitude Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Mountain Sickness"
      ],
      "interventions": [
        {
          "name": "Erythropoietin",
          "type": "DRUG"
        },
        {
          "name": "Iron sucrose (Venofer)",
          "type": "DRUG"
        },
        {
          "name": "Sterile Sodium Chloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 121,
      "start_date": "2021-02-17",
      "completion_date": "2023-01-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-10",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 2,
      "location_summary": "Leadville, Colorado • Eugene, Oregon",
      "locations": [
        {
          "city": "Leadville",
          "state": "Colorado"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05734716"
    },
    {
      "nct_id": "NCT02905708",
      "title": "Efficacy of Warming Garment in the Perioperative Period With Integrated Chemical Heat Packs to Maintain Normothermia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypothermia"
      ],
      "interventions": [
        {
          "name": "Air-Activated heating packs",
          "type": "DEVICE"
        },
        {
          "name": "Forced Air Warming Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Dr K Services PC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 48,
      "start_date": "2016-12-01",
      "completion_date": "2017-08-31",
      "has_results": false,
      "last_update_posted_date": "2017-09-14",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 1,
      "location_summary": "Norwalk, Connecticut",
      "locations": [
        {
          "city": "Norwalk",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02905708"
    },
    {
      "nct_id": "NCT01516853",
      "title": "Non-invasive Quantification of Liver Iron With MRI",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Iron Overload",
        "Hemosiderosis"
      ],
      "interventions": [
        {
          "name": "Non-contrast MRI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2012-01",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2019-12-06",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01516853"
    },
    {
      "nct_id": "NCT06021171",
      "title": "Improving the Iron Status of Athletes With Pre-, Pro- and Synbiotics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron-deficiency",
        "Iron Deficiency Anemia",
        "Iron Deficiency (Without Anemia)"
      ],
      "interventions": [
        {
          "name": "Partially hydrolyzed guar gum + bifidobacterium lactis",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Partially hydrolyzed guar gum",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Maltodextrin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "King's College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-08-15",
      "completion_date": "2022-05-15",
      "has_results": false,
      "last_update_posted_date": "2023-09-01",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 1,
      "location_summary": "Wilkes-Barre, Pennsylvania",
      "locations": [
        {
          "city": "Wilkes-Barre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06021171"
    },
    {
      "nct_id": "NCT01324128",
      "title": "A Phase 3 Study to Investigate the Safety and Efficacy of PA21, a Phosphate Binder, in Dialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease Requiring Chronic Dialysis"
      ],
      "interventions": [
        {
          "name": "PA21 (2.5 g tablet containing 500 mg iron)",
          "type": "DRUG"
        },
        {
          "name": "Sevelamer carbonate",
          "type": "DRUG"
        },
        {
          "name": "PA21-1 (1.25 g tablet containing 250 mg iron)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vifor Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1059,
      "start_date": "2011-03",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2014-04-24",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01324128"
    },
    {
      "nct_id": "NCT01904864",
      "title": "Comparison of NovaFerrum® vs Ferrous Sulfate Treatment in Young Children With Nutritional Iron Deficiency Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Iron Deficiency Anemia"
      ],
      "interventions": [
        {
          "name": "elemental iron (NovaFerrum®)",
          "type": "DRUG"
        },
        {
          "name": "elemental iron (Ferrous Sulfate)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "48 Months",
        "sex": "ALL",
        "summary": "9 Months to 48 Months"
      },
      "enrollment_count": 80,
      "start_date": "2013-07",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2017-12-14",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01904864"
    },
    {
      "nct_id": "NCT01186419",
      "title": "Safety and Pharmacodynamic Study of an Oral Iron Chelator Given for 6 Months to Patients With Iron Overload",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Transfusional Iron Overload",
        "Beta-thalassemia"
      ],
      "interventions": [
        {
          "name": "SPD602 (FBS0701, SSP-004184)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 51,
      "start_date": "2010-08-13",
      "completion_date": "2013-01-08",
      "has_results": true,
      "last_update_posted_date": "2021-06-10",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 2,
      "location_summary": "Oakland, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01186419"
    },
    {
      "nct_id": "NCT00769093",
      "title": "Assessing Dynamic Magnetic Resonance (MR) Imaging in Patients With Recurrent High Grade Glioma Receiving Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain Neoplasms"
      ],
      "interventions": [
        {
          "name": "Ferumoxytol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "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": 6,
      "start_date": "2008-10",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2017-04-21",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00769093"
    },
    {
      "nct_id": "NCT00233324",
      "title": "Surfactant Positive Airway Pressure and Pulse Oximetry Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infant, Newborn, Diseases",
        "Other Preterm Infants",
        "Infant, Small for Gestational Age",
        "Premature Birth",
        "Bronchopulmonary Dysplasia",
        "Retinopathy of Prematurity"
      ],
      "interventions": [
        {
          "name": "Surfactant",
          "type": "DRUG"
        },
        {
          "name": "Continuous Positive Airway Pressure (CPAP)",
          "type": "DEVICE"
        },
        {
          "name": "Supplemental oxygen with target saturation of 85 to 89%",
          "type": "DRUG"
        },
        {
          "name": "Supplemental oxygen with target saturation of 91 to 95%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "NICHD Neonatal Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "24 Weeks",
        "maximum_age": "27 Weeks",
        "sex": "ALL",
        "summary": "24 Weeks to 27 Weeks"
      },
      "enrollment_count": 1316,
      "start_date": "2005-02",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2019-04-18",
      "last_synced_at": "2026-11-10T01:28:22.170Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Palo Alto, California • San Diego, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00233324"
    }
  ]
}