{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transthyretin+Cardiac+Amyloidosis",
    "query": {
      "condition": "Transthyretin Cardiac Amyloidosis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 84,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transthyretin+Cardiac+Amyloidosis&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T14:09:32.809Z",
  "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": "NCT06978660",
      "title": "Multicenter Study for the Validation of an AI-based ECG Platform for Early Cardiac Amyloidosis Diagnosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transthyretin Cardiac Amyloidosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Idoven 1903 S.L.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2025-05-27",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06978660"
    },
    {
      "nct_id": "NCT02252653",
      "title": "DISCOVERY: A Study Examining the Prevalence of TTR Mutations in Subjects Suspected of Having Cardiac Amyloidosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Familial Amyloidotic Cardiomyopathy (FAC)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Alnylam Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1010,
      "start_date": "2014-06",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-07-20",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 43,
      "location_summary": "Little Rock, Arkansas • Bakersfield, California • La Mesa, California + 32 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02252653"
    },
    {
      "nct_id": "NCT00935012",
      "title": "Safety And Efficacy Evaluation Of Fx-1006a In Patients With V122i Or Wild-Type Transthyretin (TTR) Amyloid Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "ATTR-CM",
        "TTR-CM"
      ],
      "interventions": [
        {
          "name": "tafamidis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 31,
      "start_date": "2009-09-30",
      "completion_date": "2019-11-20",
      "has_results": true,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 7,
      "location_summary": "Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00935012"
    },
    {
      "nct_id": "NCT07196839",
      "title": "Determining the Association of TTR Stabilizing Therapy With Circulating TTR Amyloid Aggregates Over Time in Patients With ATTR-CM: Longitudinal Biomarker Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transthyretin (TTR) Amyloid Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-12-31",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07196839"
    },
    {
      "nct_id": "NCT00628745",
      "title": "Transthyretin Amyloidosis Outcome Survey (THAOS)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transthyretin Gene Mutations",
        "Transthyretin Amyloidosis"
      ],
      "interventions": [
        {
          "name": "None. Observational Study.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6718,
      "start_date": "2008-01-04",
      "completion_date": "2023-06-19",
      "has_results": true,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 47,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00628745"
    },
    {
      "nct_id": "NCT04153149",
      "title": "HELIOS-B: A Study to Evaluate Vutrisiran in Patients With Transthyretin Amyloidosis With Cardiomyopathy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Transthyretin Amyloidosis (ATTR) With Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Vutrisiran",
          "type": "DRUG"
        },
        {
          "name": "Sterile Normal Saline (0.9% NaCl)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alnylam Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 655,
      "start_date": "2019-11-26",
      "completion_date": "2026-12-02",
      "has_results": true,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 17,
      "location_summary": "La Mesa, California • Los Angeles, California • Stanford, California + 13 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04153149"
    },
    {
      "nct_id": "NCT05667493",
      "title": "An Extension Study to Assess Long-Term Safety of Eplontersen in Adults With Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR-CM)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR CM)"
      ],
      "interventions": [
        {
          "name": "Eplontersen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ionis Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1400,
      "start_date": "2022-11-30",
      "completion_date": "2029-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 46,
      "location_summary": "Scottsdale, Arizona • Beverly Hills, California • La Jolla, California + 35 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05667493"
    },
    {
      "nct_id": "NCT03759379",
      "title": "HELIOS-A: A Study of Vutrisiran (ALN-TTRSC02) in Patients With Hereditary Transthyretin Amyloidosis (hATTR Amyloidosis)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Amyloidosis, Hereditary",
        "Transthyretin Amyloidosis"
      ],
      "interventions": [
        {
          "name": "Patisiran",
          "type": "DRUG"
        },
        {
          "name": "Vutrisiran",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alnylam Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 164,
      "start_date": "2019-02-14",
      "completion_date": "2025-11-05",
      "has_results": true,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 15,
      "location_summary": "La Mesa, California • Aurora, Colorado • Jacksonville, Florida + 12 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Fairway",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03759379"
    },
    {
      "nct_id": "NCT03431896",
      "title": "Monitoring of Early Disease Progression in Hereditary Transthyretin Amyloidosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyloidosis",
        "Amyloid",
        "Amyloid Neuropathies, Familial",
        "Amyloid Cardiomyopathy",
        "Amyloid - Primary",
        "Transthyretin Amyloidosis",
        "AL Amyloidosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 37,
      "start_date": "2018-02-01",
      "completion_date": "2026-03-09",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03431896"
    },
    {
      "nct_id": "NCT06128629",
      "title": "MAGNITUDE: A Phase 3 Study of NTLA-2001 in Participants With Transthyretin Amyloidosis With Cardiomyopathy (ATTR-CM)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Transthyretin Amyloidosis (ATTR) With Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "NTLA-2001",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Intellia Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2023-12-13",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-06-10T14:09:32.809Z",
      "location_count": 38,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Palo Alto, California + 29 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06128629"
    }
  ]
}