{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Euthyroid",
    "query": {
      "condition": "Euthyroid"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T08:53:15.321Z",
  "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": "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": "2026-07-22T08:53:15.321Z",
      "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": "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": "2026-07-22T08:53:15.321Z",
      "location_count": 1,
      "location_summary": "Canton, Ohio",
      "locations": [
        {
          "city": "Canton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03787303"
    },
    {
      "nct_id": "NCT04124705",
      "title": "A Study of Armour® Thyroid Compared to Synthetic T4 (Levothyroxine) in Previously Hypothyroid Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypothyroidism",
        "Thyroid Disease",
        "Euthyroid",
        "Thyroid Gland",
        "Thyroid Hormones"
      ],
      "interventions": [
        {
          "name": "Armour® Thyroid",
          "type": "DRUG"
        },
        {
          "name": "Levothyroxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allergan",
      "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": 284,
      "start_date": "2019-10-11",
      "completion_date": "2021-06-22",
      "has_results": true,
      "last_update_posted_date": "2024-06-05",
      "last_synced_at": "2026-07-22T08:53:15.321Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Greenbrae, California + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04124705"
    },
    {
      "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": "2026-07-22T08:53:15.321Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04111536"
    },
    {
      "nct_id": "NCT00147433",
      "title": "The Effect of Thyroid Hormone Levels in Pregnant Women on the Intelligence Quotient (IQ) of Their Children",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Child Development Disorders",
        "Pregnancy",
        "Subclinical Hypothyroidism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "0 Years and older · Female only"
      },
      "enrollment_count": 5000,
      "start_date": "2004-02",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2006-03-31",
      "last_synced_at": "2026-07-22T08:53:15.321Z",
      "location_count": 1,
      "location_summary": "Scarborough, Maine",
      "locations": [
        {
          "city": "Scarborough",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00147433"
    },
    {
      "nct_id": "NCT00978055",
      "title": "Fasting Study of Liothyronine Sodium Tablets (50 Mcg) to Cytomel® Tablets (50 Mcg)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "1: Liothyronine Sodium Tablets",
          "type": "DRUG"
        },
        {
          "name": "2: Cytomel® Tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2007-10",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2009-09-16",
      "last_synced_at": "2026-07-22T08:53:15.321Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00978055"
    },
    {
      "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": "2026-07-22T08:53:15.321Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112316"
    },
    {
      "nct_id": "NCT03085615",
      "title": "Feeding the Critically Ill During Phases of Altered Redox Status",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Respiratory Distress Syndrome",
        "Oxidative Stress",
        "Euthyroid Sick Syndromes",
        "Systemic Inflammatory Response Syndrome"
      ],
      "interventions": [
        {
          "name": "Jevity 1.5",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2017-03-15",
      "completion_date": "2018-10-13",
      "has_results": false,
      "last_update_posted_date": "2019-04-16",
      "last_synced_at": "2026-07-22T08:53:15.321Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03085615"
    }
  ]
}