{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Liothyronine+and+Levothyroxine",
    "query": {
      "intervention": "Liothyronine and Levothyroxine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 40,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Liothyronine+and+Levothyroxine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T09:15:09.789Z",
  "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": "NCT04782856",
      "title": "Energy Metabolism in Thyroidectomized Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thyroid Goiter",
        "Hypothyroidism",
        "Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "Levothyroxine",
          "type": "DRUG"
        },
        {
          "name": "Liothyronine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 13,
      "start_date": "2020-10-28",
      "completion_date": "2023-04-19",
      "has_results": true,
      "last_update_posted_date": "2024-06-14",
      "last_synced_at": "2026-10-04T09:15:09.789Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04782856"
    },
    {
      "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": "2026-10-04T09:15:09.789Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00158990"
    },
    {
      "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": "2026-10-04T09:15:09.789Z",
      "location_count": 1,
      "location_summary": "Besthesda, Maryland",
      "locations": [
        {
          "city": "Besthesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02317926"
    },
    {
      "nct_id": "NCT03787303",
      "title": "Study of Euthyroid Hypothyroxinemia in Metastatic Breast Carcinoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Breast Cancer",
        "Thyroid Dysfunction"
      ],
      "interventions": [
        {
          "name": "Triiodothyronine (T3)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aultman Health Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "105 Years",
        "sex": "ALL",
        "summary": "18 Years to 105 Years"
      },
      "enrollment_count": 7,
      "start_date": "2019-03-01",
      "completion_date": "2022-03-09",
      "has_results": true,
      "last_update_posted_date": "2022-05-13",
      "last_synced_at": "2026-10-04T09:15:09.789Z",
      "location_count": 1,
      "location_summary": "Canton, Ohio",
      "locations": [
        {
          "city": "Canton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03787303"
    },
    {
      "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": "2026-10-04T09:15:09.789Z",
      "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": "NCT04111536",
      "title": "Developing Oral LT3 Therapy for Heart Failure - HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction",
        "Low Triiodothyronine 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": "2020-03-08",
      "completion_date": "2023-10-31",
      "has_results": true,
      "last_update_posted_date": "2025-01-08",
      "last_synced_at": "2026-10-04T09:15:09.789Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04111536"
    },
    {
      "nct_id": "NCT00021528",
      "title": "Sequenced Treatment Alternatives to Relieve Depression (STAR*D)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "citalopram",
          "type": "DRUG"
        },
        {
          "name": "BuproprionSR",
          "type": "DRUG"
        },
        {
          "name": "buspirone",
          "type": "DRUG"
        },
        {
          "name": "Lithium",
          "type": "DRUG"
        },
        {
          "name": "mirtazapine",
          "type": "DRUG"
        },
        {
          "name": "nortriptyline",
          "type": "DRUG"
        },
        {
          "name": "sertraline",
          "type": "DRUG"
        },
        {
          "name": "tranylcypromine",
          "type": "DRUG"
        },
        {
          "name": "VenlafaxineXR",
          "type": "DRUG"
        },
        {
          "name": "Cognitive Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "T3 (Triiodothyronine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 4000,
      "start_date": "2001-07",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2009-09-25",
      "last_synced_at": "2026-10-04T09:15:09.789Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Chula Vista, California + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Harbor City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00021528"
    },
    {
      "nct_id": "NCT01299337",
      "title": "Acceleration and Relapse Prevention With Triiodothyronine (T3) as an Adjunct to Electroconvulsive Therapy (ECT)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "T3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 29,
      "start_date": "2008-06",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2012-05-11",
      "last_synced_at": "2026-10-04T09:15:09.789Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299337"
    },
    {
      "nct_id": "NCT00289367",
      "title": "Study of T3 on the Incidence of Atrial Fibrillation in Patients Undergoing Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "triiodothyronine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 280,
      "start_date": "2006-02",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2008-05-20",
      "last_synced_at": "2026-10-04T09:15:09.789Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00289367"
    },
    {
      "nct_id": "NCT01581463",
      "title": "A Study of Sustained-Release Liothyronine Sodium (T3) in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Liothyronine, Sodium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ipe, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2012-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-08-06",
      "last_synced_at": "2026-10-04T09:15:09.789Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01581463"
    }
  ]
}