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ClinicalTrials.gov public records Last synced Oct 7, 2026, 6:23 PM EDT

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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Transthyretin Amyloid Cardiomyopathy (ATTR CM) Clear all
Enrolling by invitation Phase 3 Interventional

A Study to Evaluate Vutrisiran in Patients With Transthyretin Amyloidosis With Cardiomyopathy

NCT06679946
View directory record Official record
Conditions
Transthyretin Amyloidosis (ATTR) With Cardiomyopathy
Interventions
Vutrisiran
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
24
States / cities
Phoenix, Arizona • Beverly Hills, California • La Jolla, California + 19 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Active, not recruiting Phase 3 Interventional

Study of ALXN2220 Versus Placebo in Adults With ATTR-CM

NCT06183931
View directory record Official record
Conditions
Transthyretin Amyloid Cardiomyopathy
Interventions
ALXN2220, Placebo
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
1,181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
36
States / cities
Irvine, California • La Jolla, California • Palo Alto, California + 30 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Active, not recruiting Phase 2 Interventional

A Research Study to Look at Long-term Treatment With a Medicine Called NNC6019-0001 for People Who Have Heart Failure Due to Transthyretin Amyloidosis

NCT06260709
View directory record Official record
Conditions
Transthyretin Amyloid Cardiomyopathy (ATTR CM)
Interventions
NNC6019-0001
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • Stanford, California + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Recruiting Phase 4 Interventional

Cardiac Magnetic Resonance and Echocardiography Study With Acoramidis

NCT07695701
View directory record Official record
Conditions
Transthyretin Amyloidosis Cardiomyopathy (ATTR-CM), Amyloidosis, Amyloid Cardiomyopathy, Transthyretin Amyloidosis
Interventions
Acoramidis (AG10) oral tablet
Drug
Lead sponsor
Eidos Therapeutics, a BridgeBio company
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Enrolling by invitation Phase 3 Interventional

An Extension Study to Assess Long-Term Safety of Eplontersen in Adults With Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR-CM)

NCT05667493
View directory record Official record
Conditions
Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR CM)
Interventions
Eplontersen
Drug
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
46
States / cities
Scottsdale, Arizona • Beverly Hills, California • La Jolla, California + 35 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Not yet recruiting Phase 3 Interventional

An Open-Label Study to Evaluate the Long-Term Safety and Efficacy of ALXN2220 in Adults With Transthyretin Amyloid Cardiomyopathy

NCT07789483
View directory record Official record
Conditions
Transthyretin Amyloid Cardiomyopathy (ATTR-CM)
Interventions
ALXN2220
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
Enrollment
1,180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
35
States / cities
Irvine, California • La Jolla, California • Palo Alto, California + 29 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Completed No phase listed Observational

The CARDIO-TTRansform Scintigraphy Sub-study

NCT06073587
View directory record Official record
Conditions
Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR-CM)
Interventions
Scintigraphy scan
Diagnostic Test
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
4
States / cities
New York, New York • Durham, North Carolina • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Recruiting Phase 3 Interventional

Acoramidis Transthyretin Amyloidosis Prevention Trial in the Young (ACT-EARLY) Study in Asymptomatic Carriers of a Pathogenic TTR Variant

NCT06563895
View directory record Official record
Conditions
Amyloidosis, Amyloid Cardiomyopathy, Transthyretin Amyloidosis, Cardiomyopathies, Heart Diseases, Polyneuropathies
Interventions
Acoramidis, Placebo oral tablet
Drug
Lead sponsor
Eidos Therapeutics, a BridgeBio company
Industry
Eligibility
18 Years to 75 Years
Enrollment
587 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
40
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Completed Phase 3 Interventional Results available

Long-term Safety of Tafamidis in Subjects With Transthyretin Cardiomyopathy

NCT02791230
View directory record Official record
Conditions
Transthyretin (TTR) Amyloid Cardiomyopathy
Interventions
Tafamidis
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,733 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
41
States / cities
Birmingham, Alabama • Beverly Hills, California • La Jolla, California + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 7, 2026, 6:23 PM EDT
Completed Phase 2 Interventional Results available

Study of AG10 in Amyloid Cardiomyopathy

NCT03458130
View directory record Official record
Conditions
Familial ATTR-CM (ATTRm-CM, or FAC), Wild-type ATTR-CM (ATTRwt-CM)
Interventions
AG10, Placebo Oral Tablet
Drug
Lead sponsor
Eidos Therapeutics, a BridgeBio company
Industry
Eligibility
18 Years to 90 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
13
States / cities
Beverly Hills, California • Palo Alto, California • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Oct 7, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

Retinal Fundus Imaging and OCT Imaging for Ocular Detection of ATTR-CM

NCT07690436
View directory record Official record
Conditions
Transthyretin Amyloid Cardiomyopathy
Interventions
Not listed
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
6
States / cities
Palo Alto, California • Jacksonville, Florida • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

Non-interventional Study of Patients With Transthyretin (ATTR) Amyloidosis

NCT06465810
View directory record Official record
Conditions
Transthyretin Amyloidosis, ATTR-CM, ATTRv-PN, ATTR, ATTR-Mixed, hATTR
Interventions
Treatment of transthyretin (ATTR) amyloidosis in observational study setting
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
1,850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
33
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 24 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Active, not recruiting No phase listed Observational

An Observational Study Using Artificial Intelligence (AI) Algorithms on Electrocardiography (ECG), Point-of-care Ultrasound (POCUS), and Transthoracic Echocardiophy (TTE) to Estimate the Under-diagnosis of Transthyretin Amyloid Cardiomyopathy (ATTR-CM) Across a Diverse Range of US Health Systems.

NCT07062848
View directory record Official record
Conditions
Transthyretin (TTR) Amyloid Cardiomyopathy
Interventions
AI Toolkit for ATTR-CM Diagnosis
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
50 Years to 95 Years
Enrollment
1,500,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
12
States / cities
San Francisco, California • New Haven, Connecticut • Chicago, Illinois + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Completed Phase 3 Interventional

CARDIO-TTRansform: A Study to Evaluate the Efficacy and Safety of Eplontersen (Formerly Known as ION-682884, IONIS-TTR-LRx and AKCEA-TTR-LRx) in Participants With Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR CM)

NCT04136171
View directory record Official record
Conditions
Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR CM)
Interventions
Eplontersen, Placebo
Drug
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
1,438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
51
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 39 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of AG10 in Subjects With Transthyretin Amyloid Cardiomyopathy

NCT03860935
View directory record Official record
Conditions
Amyloidosis, Amyloid Cardiomyopathy, Transthyretin Amyloidosis, Cardiomyopathies, Heart Diseases
Interventions
acoramidis, Placebo Oral Tablet
Drug
Lead sponsor
Eidos Therapeutics, a BridgeBio company
Industry
Eligibility
18 Years to 90 Years
Enrollment
632 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
40
States / cities
Los Angeles, California • Santa Monica, California • Aurora, Colorado + 32 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Oct 7, 2026, 6:23 PM EDT
Enrolling by invitation No phase listed Observational

Prospective Evaluation of Artificial Intelligence-enabled Screening for Transthyretin Amyloid Cardiomyopathy (ATTR-CM)

NCT07398950
View directory record Official record
Conditions
ATTR Amyloidosis With Cardiomyopathy, Heart Failure
Interventions
ATTR-CM AI-ECG and AI-Echo Model
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Recruiting Phase 3 Interventional

MAGNITUDE: A Phase 3 Study of NTLA-2001 in Participants With Transthyretin Amyloidosis With Cardiomyopathy (ATTR-CM)

NCT06128629
View directory record Official record
Conditions
Transthyretin Amyloidosis (ATTR) With Cardiomyopathy
Interventions
NTLA-2001, Placebo
Biological · Drug
Lead sponsor
Intellia Therapeutics
Industry
Eligibility
18 Years to 90 Years
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
38
States / cities
Tucson, Arizona • Los Angeles, California • Palo Alto, California + 29 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Completed Phase 2 Interventional

A Research Study to Look at How a New Medicine Called NNC6019-0001 Works and How Safe it is for People Who Have Heart Disease Due to Transthyretin (TTR) Amyloidosis

NCT05442047
View directory record Official record
Conditions
Transthyretin Amyloid Cardiomyopathy (ATTR CM)
Interventions
NNC6019-0001, Placebo (NNC6019-0001)
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 85 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
9
States / cities
Phoenix, Arizona • Beverly Hills, California • Stanford, California + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Completed No phase listed Observational Results available

A Study to Examine the Clinical Effectiveness of Tafamidis in Patients With Mixed Phenotype Hereditary Transthyretin Amyloidosis

NCT05139680
View directory record Official record
Conditions
Hereditary Transthyretin Amyloidosis (ATTRv) Cardiomyopathy (CM), Mixed Phenotype
Interventions
tafamidis
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 7, 2026, 6:23 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Tafamidis in Patients With Transthyretin Cardiomyopathy

NCT01994889
View directory record Official record
Conditions
Transthyretin (TTR) Amyloid Cardiomyopathy
Interventions
Tafamidis, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 90 Years
Enrollment
441 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
50
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 7, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

DemonsTTRate: A Global, Observational, Multicenter, Long-term Study of Patients With ATTR-CM in a Real-World Setting

NCT07358078
View directory record Official record
Conditions
Transthyretin Amyloidosis With Cardiomyopathy
Interventions
Not listed
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
11
States / cities
Tucson, Arizona • Beverly Hills, California • Naples, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 7, 2026, 6:23 PM EDT
Completed No phase listed Observational Results available

A Retrospective Validation Study To Identify Chart-Based Clinical Diagnosis Of Wild-Type Transthyretin Amyloid Cardiomyopathy (Attrwt-CM) And Non-Amyloid Heart Failure Among Patients With Heart Failure (HF).

NCT06029452
View directory record Official record
Conditions
ATTR-CM
Interventions
Machine learning algorithm
Other
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
558 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 3, 2025 · Synced Oct 7, 2026, 6:23 PM EDT
Completed Phase 3 Interventional Results available

Safety And Efficacy Evaluation Of Fx-1006a In Patients With V122i Or Wild-Type Transthyretin (TTR) Amyloid Cardiomyopathy

NCT00935012
View directory record Official record
Conditions
ATTR-CM, TTR-CM
Interventions
tafamidis
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
7
States / cities
Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Oct 7, 2026, 6:23 PM EDT
Active, not recruiting Phase 3 Interventional Results available

HELIOS-B: A Study to Evaluate Vutrisiran in Patients With Transthyretin Amyloidosis With Cardiomyopathy

NCT04153149
View directory record Official record
Conditions
Transthyretin Amyloidosis (ATTR) With Cardiomyopathy
Interventions
Vutrisiran, Sterile Normal Saline (0.9% NaCl)
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years to 85 Years
Enrollment
655 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
17
States / cities
La Mesa, California • Los Angeles, California • Stanford, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 7, 2026, 6:23 PM EDT