{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transthyretin-Related+%28ATTR%29+Familial+Amyloid+Cardiomyopathy",
    "query": {
      "condition": "Transthyretin-Related (ATTR) Familial Amyloid Cardiomyopathy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transthyretin-Related+%28ATTR%29+Familial+Amyloid+Cardiomyopathy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T14:05:32.218Z",
  "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": "NCT05311488",
      "title": "Early Detection of Neuropathy in ATTRv",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hereditary Amyloidosis, Transthyretin-Related"
      ],
      "interventions": [
        {
          "name": "neurofilament light chain",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "In-vivo Meissner Corpuscle imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Nerve conduction study",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "30 Years to 90 Years"
      },
      "enrollment_count": 47,
      "start_date": "2022-02-14",
      "completion_date": "2026-02-14",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-07-23T14:05:32.218Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05311488"
    },
    {
      "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": "2026-07-23T14:05:32.218Z",
      "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": "NCT03294707",
      "title": "Single and Multiple Ascending Dose Study Assessing the Safety, Tolerability, PK and PD of AG10",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Amyloid Cardiomyopathy, Transthyretin-Related"
      ],
      "interventions": [
        {
          "name": "AG10 oral tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eidos Therapeutics, a BridgeBio company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 56,
      "start_date": "2017-09-11",
      "completion_date": "2018-05-18",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-07-23T14:05:32.218Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03294707"
    },
    {
      "nct_id": "NCT05489549",
      "title": "Subclinical Transthyretin Cardiac Amyloidosis in V122I TTR Carriers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyloidosis, Hereditary",
        "Amyloidosis Cardiac",
        "Amyloidosis, Familial",
        "Transthyretin-Related (ATTR) Familial Amyloid Cardiomyopathy",
        "Transthyretin Gene Mutation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 500,
      "start_date": "2022-11-21",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-07-23T14:05:32.218Z",
      "location_count": 3,
      "location_summary": "New York, New York • Cleveland, Ohio • Dallas, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05489549"
    },
    {
      "nct_id": "NCT02319005",
      "title": "ENDEAVOUR: Phase 3 Multicenter Study of Revusiran (ALN-TTRSC) in Patients With Transthyretin (TTR) Mediated Familial Amyloidotic Cardiomyopathy (FAC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Transthyretin (TTR) Mediated Familial Amyloidotic Cardiomyopathy (FAC)",
        "Amyloidosis, Hereditary",
        "Amyloid Neuropathies, Familial",
        "Amyloid Neuropathies",
        "Amyloidosis, Hereditary, Transthyretin-Related",
        "Familial Transthyretin Cardiac Amyloidosis"
      ],
      "interventions": [
        {
          "name": "Revusiran (ALN-TTRSC)",
          "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": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 206,
      "start_date": "2014-12",
      "completion_date": "2017-03-30",
      "has_results": true,
      "last_update_posted_date": "2018-07-18",
      "last_synced_at": "2026-07-23T14:05:32.218Z",
      "location_count": 41,
      "location_summary": "Bakersfield, California • Beverly Hills, California • La Mesa, California + 30 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02319005"
    },
    {
      "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": "2026-07-23T14:05:32.218Z",
      "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"
    },
    {
      "nct_id": "NCT03860935",
      "title": "Efficacy and Safety of AG10 in Subjects With Transthyretin Amyloid Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Amyloidosis",
        "Amyloid Cardiomyopathy",
        "Transthyretin Amyloidosis",
        "Cardiomyopathies",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "acoramidis",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eidos Therapeutics, a BridgeBio company",
      "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": 632,
      "start_date": "2019-03-19",
      "completion_date": "2023-05-11",
      "has_results": true,
      "last_update_posted_date": "2024-06-27",
      "last_synced_at": "2026-07-23T14:05:32.218Z",
      "location_count": 40,
      "location_summary": "Los Angeles, California • Santa Monica, California • Aurora, Colorado + 32 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03860935"
    },
    {
      "nct_id": "NCT04561518",
      "title": "ConTTRibute: A Global Observational Study of Patients With Transthyretin (TTR)-Mediated Amyloidosis (ATTR Amyloidosis)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transthyretin-Mediated Amyloidosis",
        "ATTR Amyloidosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Alnylam Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1500,
      "start_date": "2020-11-23",
      "completion_date": "2033-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-07-23T14:05:32.218Z",
      "location_count": 13,
      "location_summary": "La Jolla, California • Los Angeles, California • Jacksonville, Florida + 10 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04561518"
    },
    {
      "nct_id": "NCT04201418",
      "title": "A Multicenter Observational Study to Evaluate the Effectiveness of Patisiran in Patients With Polyneuropathy of ATTRv Amyloidosis With a V122I or T60A Mutation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hereditary Transthyretin-mediated (ATTRv) Amyloidosis",
        "Polyneuropathy"
      ],
      "interventions": [
        {
          "name": "Patisiran",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 67,
      "start_date": "2019-12-18",
      "completion_date": "2022-05-24",
      "has_results": false,
      "last_update_posted_date": "2022-06-06",
      "last_synced_at": "2026-07-23T14:05:32.218Z",
      "location_count": 27,
      "location_summary": "Los Angeles, California • San Diego, California • Aurora, Colorado + 22 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04201418"
    },
    {
      "nct_id": "NCT03812172",
      "title": "Screening for Cardiac Amyloidosis With Nuclear Imaging for Minority Populations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyloid Cardiomyopathy, Transthyretin-Related"
      ],
      "interventions": [
        {
          "name": "99mTc-PYP or 99m Tc-HDP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mathew S. Maurer, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 646,
      "start_date": "2019-05-15",
      "completion_date": "2024-12-13",
      "has_results": true,
      "last_update_posted_date": "2025-11-19",
      "last_synced_at": "2026-07-23T14:05:32.218Z",
      "location_count": 4,
      "location_summary": "New Haven, Connecticut • Boston, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03812172"
    }
  ]
}