{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Thyroxine&page=2",
    "query": {
      "intervention": "Thyroxine",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Thyroxine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T04:48:16.579Z",
  "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": "NCT02103998",
      "title": "Study of Thyroid Hormones in Prematures",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Transient Hypothyroxinemia of Prematurity (THOP)"
      ],
      "interventions": [
        {
          "name": "thryoid hormone T4 + oral potassium iodide (KI) for 42 days",
          "type": "DRUG"
        },
        {
          "name": "D5W - 5% dextrose water",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Hour",
        "maximum_age": "24 Hours",
        "sex": "ALL",
        "summary": "1 Hour to 24 Hours"
      },
      "enrollment_count": 0,
      "start_date": "2020-07-01",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2019-04-24",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 1,
      "location_summary": "Valhalla, New York",
      "locations": [
        {
          "city": "Valhalla",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02103998"
    },
    {
      "nct_id": "NCT06625814",
      "title": "A Study of Levothyroxine and Enlicitide Decanoate (MK-0616) in Healthy Adult Participants (MK-0616-028)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Levothyroxine",
          "type": "DRUG"
        },
        {
          "name": "Enlicitide Decanoate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "19 Years to 50 Years"
      },
      "enrollment_count": 28,
      "start_date": "2024-07-08",
      "completion_date": "2024-09-11",
      "has_results": false,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06625814"
    },
    {
      "nct_id": "NCT00336102",
      "title": "Thyroid Dysfunction in Women With Newly Diagnosed Breast Cancer Compared to Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Fatigue",
        "Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "physiologic testing",
          "type": "OTHER"
        },
        {
          "name": "fatigue assessment and management",
          "type": "PROCEDURE"
        },
        {
          "name": "management of therapy complications",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 80 Years · Female only"
      },
      "enrollment_count": 541,
      "start_date": "2006-04",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-07-09",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 41,
      "location_summary": "Phoenix, Arizona • Greeley, Colorado • Loveland, Colorado + 28 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Greeley",
          "state": "Colorado"
        },
        {
          "city": "Loveland",
          "state": "Colorado"
        },
        {
          "city": "Leesburg",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00336102"
    },
    {
      "nct_id": "NCT04878614",
      "title": "Comparison of Levothyroxine Formulation in Hypothyroid Patients With Enteral Feeding",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "Levothyroxine Tablet",
          "type": "DRUG"
        },
        {
          "name": "Levothyroxine Sodium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2021-05-05",
      "completion_date": "2022-02-16",
      "has_results": false,
      "last_update_posted_date": "2023-04-10",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04878614"
    },
    {
      "nct_id": "NCT04747275",
      "title": "Use of Liquid Stable Levothyroxine in Trisomy 21 Pediatric Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypothyroidism",
        "Trisomy 21"
      ],
      "interventions": [
        {
          "name": "Liquid stable levothyroxine (L-T4) Tirosint-SOL",
          "type": "DRUG"
        },
        {
          "name": "Oral tablet levothyroxine (L-T4)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "4 Years",
        "sex": "ALL",
        "summary": "2 Months to 4 Years"
      },
      "enrollment_count": 6,
      "start_date": "2021-01-18",
      "completion_date": "2021-11-01",
      "has_results": true,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04747275"
    },
    {
      "nct_id": "NCT05712421",
      "title": "A Study Evaluation the Safety and Efficacy of Hormone Replacement Therapy With North Star Compared to Levothyroxine in Patients With Primary Hypothyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "North Star",
          "type": "DRUG"
        },
        {
          "name": "Levothyroxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neuvosyn Laboratories, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 303,
      "start_date": "2023-02-28",
      "completion_date": "2025-09-18",
      "has_results": false,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Canoga Park, California • Greenbrae, California + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Toluca Lake",
          "state": "California"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05712421"
    },
    {
      "nct_id": "NCT01832753",
      "title": "Treatment Trial of Subclinical Hypothyroidism in Down Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Down Syndrome",
        "Subclinical Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "Levothyroxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "8 Years to 20 Years"
      },
      "enrollment_count": 12,
      "start_date": "2013-01",
      "completion_date": "2017-10-18",
      "has_results": true,
      "last_update_posted_date": "2019-09-06",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01832753"
    },
    {
      "nct_id": "NCT00206375",
      "title": "Growth Hormone and GnRH Agonist in Adolescents With Acquired Hypothyroidism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "Growth hormone",
          "type": "DRUG"
        },
        {
          "name": "Growth hormone treatment and puberty",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 16,
      "start_date": "2003-05",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2020-10-30",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00206375"
    },
    {
      "nct_id": "NCT01739972",
      "title": "Desiccated Thyroid Extract and Levothyroxine for Hypothyroidism Treatment",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Hypothyroidism."
      ],
      "interventions": [
        {
          "name": "Levothyroxine",
          "type": "DRUG"
        },
        {
          "name": "Desiccated thyroid extract",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Walter Reed National Military Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 180,
      "start_date": "2012-05",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2012-12-04",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01739972"
    },
    {
      "nct_id": "NCT02317926",
      "title": "Desiccated Thyroid Extract Versus Synthetic T3/T4 Combination (ThyrolarTM) Versus L-T4 Alone in the Therapy of Primary Hypothyroidism With Special Attention to the Gene Polymorphism",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "Levothyroxine",
          "type": "DRUG"
        },
        {
          "name": "Levothyroxine Plus Liothyronine",
          "type": "DRUG"
        },
        {
          "name": "Desiccated Thyroid Extract",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Walter Reed National Military Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 81,
      "start_date": "2015-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-05-06",
      "last_synced_at": "2026-09-25T04:48:16.579Z",
      "location_count": 1,
      "location_summary": "Besthesda, Maryland",
      "locations": [
        {
          "city": "Besthesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02317926"
    }
  ]
}