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Showing 1–24 of 84 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Transthyretin Amyloid Cardiomyopathy Clear all
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 Jul 21, 2026, 6:11 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 16, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
No Longer Available No phase listed Expanded access

Expanded Access Protocol to Provide Patisiran to Patients With Transthyretin-mediated Amyloidosis With Cardiomyopathy

NCT05505838
View directory record Official record
Conditions
Transthyretin-mediated Amyloidosis With Cardiomyopathy, ATTR Amyloidosis With Cardiomyopathy
Interventions
Patisiran
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years to 85 Years
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Jul 21, 2026, 6:11 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Analysis of Lumbar Spine Stenosis Specimens for Identification of Transthyretin Cardiac Amyloidosis

NCT06034405
View directory record Official record
Conditions
Lumbar Spinal Stenosis, Cardiac Amyloidosis, ATTR Amyloidosis Wild Type, ATTR Gene Mutation, ATTRV122I Amyloidosis, Cardiomyopathy, Hypertrophic
Interventions
Tc99-PYP or Tc99-HDMP Scan
Diagnostic Test
Lead sponsor
Columbia University
Other
Eligibility
50 Years and older
Enrollment
1,663 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
6
States / cities
Beverly Hills, California • Boston, Massachusetts • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 21, 2026, 6:11 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 23, 2019 · Synced Jul 21, 2026, 6:11 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 Jul 21, 2026, 6:11 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

PET/CT Imaging in Carriers of TTR Mutations

NCT07591038
View directory record Official record
Conditions
ATTR, ATTR Gene Mutation, Cardiomyopathy, Transthyretin Mediated Amyloidosis (ATTR)
Interventions
Iodine-124 Evuzamitide (I-124E)
Diagnostic Test
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
30 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jul 21, 2026, 6:11 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
39
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 3 Interventional Results available

APOLLO-B: A Study to Evaluate Patisiran in Participants With Transthyretin Amyloidosis With Cardiomyopathy (ATTR Amyloidosis With Cardiomyopathy)

NCT03997383
View directory record Official record
Conditions
Transthyretin Amyloidosis (ATTR) With Cardiomyopathy
Interventions
Placebo, Patisiran
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years to 85 Years
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
19
States / cities
Los Angeles, California • Chicago, Illinois • Skokie, Illinois + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Jul 21, 2026, 6:11 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 Jul 21, 2026, 6:11 PM EDT
Not listed No phase listed Observational

Exercise Effect on Transthyretin Stability

NCT04986826
View directory record Official record
Conditions
Amyloidosis Transthyretin, Athlete Heart
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Timeline
2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Jul 21, 2026, 6:11 PM EDT
Withdrawn Early Phase 1 Interventional

Evaluation of a Claims-based Algorithm for the Identification of Transthyretin-mediated Amyloidosis (ATTR) Amyloidosis in Medical Records

NCT04569903
View directory record Official record
Conditions
Transthyretin Amyloidosis
Interventions
Computer algorithm for ATTR
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Jul 21, 2026, 6:11 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 Jun 22, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Recruiting Not applicable Interventional

Prevalence and Prediction of ATTR in Ambulatory Patients With HFpEF

NCT05577819
View directory record Official record
Conditions
Transthyretin Amyloidosis, Heart Failure, Heart Failure, Diastolic, Amyloidosis
Interventions
99mTc-pyrophosphate Scintigraphy
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
65 Years and older
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2024 · Synced Jul 21, 2026, 6:11 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 Jul 21, 2026, 6:11 PM EDT
Completed Phase 3 Interventional

REVEAL - Research With I-124 EVuzamitide to Elucidate Cardiac AmyLoidosis

NCT06788535
View directory record Official record
Conditions
Cardiac Amyloidosis
Interventions
I-124 evuzamitide
Drug
Lead sponsor
Sharmila Dorbala
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
20
States / cities
Scottsdale, Arizona • Duarte, California • San Francisco, California + 16 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Jul 21, 2026, 6:11 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 Jul 21, 2026, 6:11 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 – 2027
U.S. locations
36
States / cities
Irvine, California • La Jolla, California • Palo Alto, California + 30 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Early Phase 1 Interventional

Short-term Effects of TOLCAPONE on Transthyretin Stability in Subjects With Leptomeningeal TTR Amyloidosis (ATTR)

NCT03591757
View directory record Official record
Conditions
Transthyretin Amyloidosis, Amyloidosis, Leptomeningeal, Transthyretin-Related
Interventions
Tolcapone
Drug
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Jul 21, 2026, 6:11 PM EDT
Active, not recruiting Phase 2 Interventional

A Study to Evaluate the Efficacy and Safety of Concomitant Use of Eplontersen and ALXN2220 Compared With Eplontersen and Placebo for Adults Participants With ATTR-CM

NCT07608354
View directory record Official record
Conditions
Transthyretin Amyloid Cardiomyopathy (ATTR-CM)
Interventions
Eplontersen, ALXN2220, Placebo
Drug · Biological · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 85 Years
Enrollment
326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
24
States / cities
La Jolla, California • San Francisco, California • Stanford, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 21, 2026, 6:11 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 2, 2025 · Synced Jul 21, 2026, 6:11 PM EDT
Recruiting No phase listed Observational

Subclinical Transthyretin Cardiac Amyloidosis in V122I TTR Carriers

NCT05489549
View directory record Official record
Conditions
Amyloidosis, Hereditary, Amyloidosis Cardiac, Amyloidosis, Familial, Transthyretin-Related (ATTR) Familial Amyloid Cardiomyopathy, Transthyretin Gene Mutation
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
30 Years to 80 Years
Enrollment
500 participants
Timeline
2022 – 2027
U.S. locations
3
States / cities
New York, New York • Cleveland, Ohio • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Recruiting Not applicable Interventional

Exercise Training in Transthyretin Cardiac Amyloidosis

NCT05797857
View directory record Official record
Conditions
Amyloid Cardiomyopathy, Transthyretin Cardiac Amyloidosis
Interventions
Exercise Training
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Jul 21, 2026, 6:11 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 26, 2024 · Synced Jul 21, 2026, 6:11 PM EDT