{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=levothyroxine&page=2",
    "query": {
      "intervention": "levothyroxine",
      "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=levothyroxine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T21:23:34.353Z",
  "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": "NCT04115514",
      "title": "Treatment of ARDS With Instilled T3",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "ARDS, Human",
        "Lung, Wet",
        "Thyroid",
        "Pulmonary Edema",
        "Lung Inflammation"
      ],
      "interventions": [
        {
          "name": "Liothyronine Sodium (T3+0.9% sodium chloride) modified formulation specifically for airway instillation.",
          "type": "DRUG"
        },
        {
          "name": "Non-intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2020-03-30",
      "completion_date": "2026-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 2,
      "location_summary": "Edina, Minnesota • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04115514"
    },
    {
      "nct_id": "NCT00230802",
      "title": "Thyroid Hormone Dose Adjustment in Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "Anticipatory dose increase of levothyroxine",
          "type": "DRUG"
        },
        {
          "name": "levothyroxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 48,
      "start_date": "2005-07",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2016-12-23",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00230802"
    },
    {
      "nct_id": "NCT00648700",
      "title": "Fasting Study of Levothyroxine Sodium Tablets 300 μg to Levothroid® Tablets 300 μg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Levothyroxine Sodium Tablets 300 μg",
          "type": "DRUG"
        },
        {
          "name": "Levothroid® Tablets 300 μg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 32,
      "start_date": "2005-08",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00648700"
    },
    {
      "nct_id": "NCT00004062",
      "title": "Azacitidine to Restore Thyroid Function in Patients With Persistent or Metastatic Thyroid Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "azacitidine",
          "type": "DRUG"
        },
        {
          "name": "liothyronine sodium",
          "type": "DRUG"
        },
        {
          "name": "iodine I 131",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Lucille P. Markey Cancer Center at University of Kentucky",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": null,
      "start_date": "1999-07",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2013-12-19",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004062"
    },
    {
      "nct_id": "NCT00158990",
      "title": "Triiodothyronine (T3) Supplementation in the Treatment of Bipolar and Unipolar Depression.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depression",
        "Bipolar Disorder",
        "Unipolar Depression"
      ],
      "interventions": [
        {
          "name": "triiodothyronine",
          "type": "DRUG"
        },
        {
          "name": "sertraline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hadassah Medical Organization",
      "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": 220,
      "start_date": "2002-10",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2007-01-04",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00158990"
    },
    {
      "nct_id": "NCT03390530",
      "title": "Thyroxine Treatment in Premature Infants With Intraventricular Hemorrhage",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Intraventricular Hemorrhage of Prematurity"
      ],
      "interventions": [
        {
          "name": "Thyroxine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Days",
        "maximum_age": "6 Days",
        "sex": "ALL",
        "summary": "3 Days to 6 Days"
      },
      "enrollment_count": 0,
      "start_date": "2022-01-18",
      "completion_date": "2027-01-18",
      "has_results": false,
      "last_update_posted_date": "2022-07-08",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03390530"
    },
    {
      "nct_id": "NCT04112316",
      "title": "Developing Oral LT3 Therapy for Heart Failure - HFrEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction (HFrEF)",
        "Low T3 Syndrome"
      ],
      "interventions": [
        {
          "name": "Liothyronine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2020-02-11",
      "completion_date": "2023-10-31",
      "has_results": true,
      "last_update_posted_date": "2024-12-24",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112316"
    },
    {
      "nct_id": "NCT05526144",
      "title": "Thyroid Hormone for Treatment of Nonalcoholic Steatohepatitis in Veterans",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nonalcoholic Steatohepatitis",
        "Liver Fibrosis"
      ],
      "interventions": [
        {
          "name": "Synthroid",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 128,
      "start_date": "2023-04-01",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05526144"
    },
    {
      "nct_id": "NCT00403390",
      "title": "Generic vs. Name-Brand Levothyroxine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Hypothyroidism",
        "Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "Brand Name Levothyroxine (Synthroid)",
          "type": "DRUG"
        },
        {
          "name": "Generic formulation of Levothyroxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "3 Years to 18 Years"
      },
      "enrollment_count": 34,
      "start_date": "2006-11",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00403390"
    },
    {
      "nct_id": "NCT05823012",
      "title": "Study of XP-8121 For the Treatment of Adult Subjects With Hypothyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypothyroidism"
      ],
      "interventions": [
        {
          "name": "levothyroxine sodium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Xeris Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 46,
      "start_date": "2023-05-15",
      "completion_date": "2024-02-22",
      "has_results": true,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-09-21T21:23:34.353Z",
      "location_count": 6,
      "location_summary": "Chula Vista, California • Montclair, California • Miami Lakes, Florida + 3 more",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Montclair",
          "state": "California"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Sugar Land",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05823012"
    }
  ]
}