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Showing 1–24 of 84 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: TTR Cardiac Amyloidosis Clear all
Recruiting No phase listed Observational

Multicenter Study for the Validation of an AI-based ECG Platform for Early Cardiac Amyloidosis Diagnosis

NCT06978660
View directory record Official record
Conditions
Transthyretin Cardiac Amyloidosis
Interventions
Not listed
Lead sponsor
Idoven 1903 S.L.
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jun 10, 2026, 2:32 PM EDT
Completed No phase listed Observational

DISCOVERY: A Study Examining the Prevalence of TTR Mutations in Subjects Suspected of Having Cardiac Amyloidosis

NCT02252653
View directory record Official record
Conditions
Familial Amyloidotic Cardiomyopathy (FAC)
Interventions
Not listed
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1,010 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
43
States / cities
Little Rock, Arkansas • Bakersfield, California • La Mesa, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2016 · Synced Jun 10, 2026, 2:32 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 4, 2021 · Synced Jun 10, 2026, 2:32 PM EDT
Recruiting No phase listed Observational

Determining the Association of TTR Stabilizing Therapy With Circulating TTR Amyloid Aggregates Over Time in Patients With ATTR-CM: Longitudinal Biomarker Study

NCT07196839
View directory record Official record
Conditions
Transthyretin (TTR) Amyloid Cardiomyopathy
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
30 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jun 10, 2026, 2:32 PM EDT
Completed No phase listed Observational Results available

Transthyretin Amyloidosis Outcome Survey (THAOS)

NCT00628745
View directory record Official record
Conditions
Transthyretin Gene Mutations, Transthyretin Amyloidosis
Interventions
None. Observational Study.
Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
6,718 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2023
U.S. locations
47
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Jun 10, 2026, 2:32 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 11, 2026 · Synced Jun 10, 2026, 2:32 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 16, 2026 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Phase 3 Interventional Results available

HELIOS-A: A Study of Vutrisiran (ALN-TTRSC02) in Patients With Hereditary Transthyretin Amyloidosis (hATTR Amyloidosis)

NCT03759379
View directory record Official record
Conditions
Amyloidosis, Hereditary, Transthyretin Amyloidosis
Interventions
Patisiran, Vutrisiran
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years to 85 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
15
States / cities
La Mesa, California • Aurora, Colorado • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Jun 10, 2026, 2:32 PM EDT
Completed No phase listed Observational

Monitoring of Early Disease Progression in Hereditary Transthyretin Amyloidosis

NCT03431896
View directory record Official record
Conditions
Amyloidosis, Amyloid, Amyloid Neuropathies, Familial, Amyloid Cardiomyopathy, Amyloid - Primary, Transthyretin Amyloidosis, AL Amyloidosis
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Not listed
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Jun 10, 2026, 2:32 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 26, 2026 · Synced Jun 10, 2026, 2:32 PM EDT
Active, not recruiting Phase 3 Interventional

Open-Label Safety Study of Acoramidis (AG10) in Symptomatic ATTR Participants

NCT04988386
View directory record Official record
Conditions
Amyloid Cardiomyopathy, Transthyretin-Related
Interventions
Acoramidis (AG10)
Drug
Lead sponsor
Eidos Therapeutics, a BridgeBio company
Industry
Eligibility
18 Years to 90 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
26
States / cities
Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Phase 1 Interventional

Parametric Cardiac 18F-flutemetamol PET Imaging in ATTR Cardiomyopathy

NCT05374564
View directory record Official record
Conditions
Cardiomyopathies, Primary
Interventions
(18F)Flutemetamol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single and Multiple Ascending Dose Study Assessing the Safety, Tolerability, PK and PD of AG10

NCT03294707
View directory record Official record
Conditions
Amyloid Cardiomyopathy, Transthyretin-Related
Interventions
AG10 oral tablet, Placebo Oral Tablet
Drug
Lead sponsor
Eidos Therapeutics, a BridgeBio company
Industry
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jun 10, 2026, 2:32 PM EDT
Completed No phase listed Observational

Screening for Systemic Amyloidosis Via the Ligamentum Flavum

NCT03923920
View directory record Official record
Conditions
Amyloid, Amyloidosis, Spinal Stenosis, Transthyretin Amyloidosis, Primary Amyloidosis of Light Chain Type
Interventions
Biopsy
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
50 Years and older
Enrollment
200 participants
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Phase 1 Interventional

A Study to Characterize the Biodistribution of 124I-Labeled AT-03 in Patients With Systemic Amyloidosis

NCT05201911
View directory record Official record
Conditions
Amyloidosis; Systemic
Interventions
124I-AT03
Drug
Lead sponsor
Attralus, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Jun 10, 2026, 2:32 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
30
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Jun 10, 2026, 2:32 PM EDT
Active, not recruiting 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
150 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 Nov 27, 2025 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Early Phase 1 Interventional

Prevalence of Transthyretin Cardiac Amyloidosis in Clinically Significant Aortic Stenosis

NCT04899180
View directory record Official record
Conditions
Aortic Stenosis, Transthyretin Amyloidosis, Transthyretin Amyloid Cardiomyopathy, Transthyretin Cardiac Amyloidosis
Interventions
99mTc-PYP
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
75 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Jun 10, 2026, 2:32 PM EDT
Terminated Not applicable Interventional Results available

Global Prevalence of ATTR-CM in Participants With HFpEF

NCT04424914
View directory record Official record
Conditions
Transthyretin Amyloid Cardiomyopathy, Heart Failure With Preserved Ejection Fraction
Interventions
Scintigraphy
Diagnostic Test
Lead sponsor
Pfizer
Industry
Eligibility
60 Years and older
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
22
States / cities
Fairhope, Alabama • Huntsville, Alabama • Miami, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2024 · Synced Jun 10, 2026, 2:32 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

US Benchmarking Clinical Study

NCT07215715
View directory record Official record
Conditions
HFpEF - Heart Failure With Preserved Ejection Fraction, HFmrEF, ATTR-CM (Transthyretin Amyloid Cardiomyopathy), Left Ventricular Hypertrophy, Cardiac Amyloidosis
Interventions
Not listed
Lead sponsor
eMyosound SAS
Industry
Eligibility
60 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Phase 2 Interventional Results available

The Effects Of Fx-1006A On Transthyretin Stabilization And Clinical Outcome Measures In Patients With V122I Or Wild-Type TTR Amyloid Cardiomyopathy

NCT00694161
View directory record Official record
Conditions
Cardiomyopathy
Interventions
Fx-1006A
Drug
Lead sponsor
Pfizer
Industry
Eligibility
40 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
6
States / cities
Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2013 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Phase 2 Interventional Results available

The Effects of Fx-1006A on Transthyretin Stabilization and Clinical Outcome Measures in Patients With Non-V30M Transthyretin Amyloidosis

NCT00630864
View directory record Official record
Conditions
Transthyretin-associated Amyloidosis With Polyneuropathy
Interventions
Fx-1006A
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced Jun 10, 2026, 2:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Early Detection of Neuropathy in ATTRv

NCT05311488
View directory record Official record
Conditions
Hereditary Amyloidosis, Transthyretin-Related
Interventions
neurofilament light chain, In-vivo Meissner Corpuscle imaging, Nerve conduction study
Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
30 Years to 90 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Jun 10, 2026, 2:32 PM EDT
Active, not recruiting 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 Aug 7, 2025 · Synced Jun 10, 2026, 2:32 PM EDT