{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ferrous+Sulfate+tablets",
    "query": {
      "intervention": "Ferrous Sulfate tablets"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 79,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ferrous+Sulfate+tablets&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T20:23:36.964Z",
  "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": "NCT07061470",
      "title": "A Clinical Trial of Iron Supplementation for Youth With ADHD and Restless Sleep",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "ADHD",
        "Sleep Problems"
      ],
      "interventions": [
        {
          "name": "Ferrous Sulfate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Hugo W. Moser Research Institute at Kennedy Krieger, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 70,
      "start_date": "2027-03-01",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07061470"
    },
    {
      "nct_id": "NCT05423249",
      "title": "Treatment of Non-Anemic Iron Deficiency in Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-anemic Iron Deficiency"
      ],
      "interventions": [
        {
          "name": "Ferrous sulfate",
          "type": "DRUG"
        },
        {
          "name": "Prenatal",
          "type": "DRUG"
        },
        {
          "name": "Docusate Sodium",
          "type": "DRUG"
        },
        {
          "name": "Ascorbic Acid 500Mg Tab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2022-08-12",
      "completion_date": "2024-11-15",
      "has_results": false,
      "last_update_posted_date": "2024-11-29",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 3,
      "location_summary": "Bohemia, New York • Commack, New York • East Setauket, New York",
      "locations": [
        {
          "city": "Bohemia",
          "state": "New York"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "East Setauket",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05423249"
    },
    {
      "nct_id": "NCT05126901",
      "title": "Evaluate the Safety and Efficacy of Ferric Maltol Oral Suspension vs. Ferrous Sulfate Oral Liquid in Children and Adolescents Aged 2 to 17 Years With Iron-deficiency Anaemia, With a Single Arm Study in Infants Aged 1 Month to Less Than 2 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Iron-deficiency"
      ],
      "interventions": [
        {
          "name": "Ferric Maltol",
          "type": "DRUG"
        },
        {
          "name": "Ferrous sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shield Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Month to 17 Years"
      },
      "enrollment_count": 65,
      "start_date": "2021-11-03",
      "completion_date": "2024-06-09",
      "has_results": true,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 14,
      "location_summary": "Saraland, Alabama • Homestead, Florida • Kissimmee, Florida + 10 more",
      "locations": [
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Homestead",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05126901"
    },
    {
      "nct_id": "NCT04253626",
      "title": "Comparison of Oral Ferrous Sulfate to Intravenous Ferumoxytol in Antepartum Iron Deficiency Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pregnancy Related",
        "Anemia, Iron Deficiency"
      ],
      "interventions": [
        {
          "name": "Ferumoxytol Injection [Feraheme]",
          "type": "DRUG"
        },
        {
          "name": "Ferrous Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 83,
      "start_date": "2021-01-21",
      "completion_date": "2024-07-01",
      "has_results": true,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04253626"
    },
    {
      "nct_id": "NCT01553123",
      "title": "Efficacy and Safety Study of Ulipristal Acetate in Females With Anemia Associated With Uterine Leiomyoma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Leiomyomas"
      ],
      "interventions": [
        {
          "name": "Ulipristal Acetate",
          "type": "DRUG"
        },
        {
          "name": "Iron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Watson Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2012-04",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2013-02-07",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 47,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 41 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01553123"
    },
    {
      "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": "2026-09-10T20:23:36.964Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02404012"
    },
    {
      "nct_id": "NCT01027663",
      "title": "Impact of Host Iron Status and Iron Supplement Use on Erythrocytic Stage of Plasmodium Falciparum",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Deficiency Anemia",
        "Malaria"
      ],
      "interventions": [
        {
          "name": "Iron Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 45,
      "start_date": "2009-11",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2016-08-08",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01027663"
    },
    {
      "nct_id": "NCT04610827",
      "title": "Oral Iron Frequency for Childhood Restless Leg Syndrome/Periodic Limb Movement Disorder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sleep Disorder",
        "Restless Legs Syndrome",
        "Periodic Limb Movement Sleep Disorder",
        "Iron-deficiency"
      ],
      "interventions": [
        {
          "name": "Ferrous sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "2 Years to 10 Years"
      },
      "enrollment_count": 6,
      "start_date": "2020-11-16",
      "completion_date": "2021-06-29",
      "has_results": true,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04610827"
    },
    {
      "nct_id": "NCT00704353",
      "title": "Safety and Tolerability of a Single Dose of FCM vs. Standard of Care in Treating Iron Deficiency Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Ferric Carboxymaltose",
          "type": "DRUG"
        },
        {
          "name": "Standard Medical Care (SMC)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "American Regent, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 735,
      "start_date": "2008-06",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2018-02-20",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 1,
      "location_summary": "Norristown, Pennsylvania",
      "locations": [
        {
          "city": "Norristown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00704353"
    },
    {
      "nct_id": "NCT00395993",
      "title": "Comparison of the Safety and Efficacy of Intravenous Iron Versus Oral Iron in the Treatment of Anemia Secondary to Heavy Uterine Bleeding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Ferric Carboxymaltose (FCM)",
          "type": "DRUG"
        },
        {
          "name": "Ferrous Sulfate tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "American Regent, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 456,
      "start_date": "2005-05",
      "completion_date": "2006-06",
      "has_results": true,
      "last_update_posted_date": "2018-02-20",
      "last_synced_at": "2026-09-10T20:23:36.964Z",
      "location_count": 1,
      "location_summary": "Norristown, Pennsylvania",
      "locations": [
        {
          "city": "Norristown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00395993"
    }
  ]
}