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ClinicalTrials.gov public records Last synced Jul 22, 2026, 6:39 AM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
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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
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
Conditions
Transthyretin-Mediated Amyloidosis, ATTR Amyloidosis
Interventions
Not listed
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2033
U.S. locations
13
States / cities
La Jolla, California • Los Angeles, California • Jacksonville, Florida + 10 more
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
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
Completed No phase listed Observational Results available

Transthyretin Amyloidosis Outcome Survey (THAOS)

NCT00628745
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
Conditions
Polyneuropathies, Wild Type ATTR Amyloidosis, Wild-Type Transthyretin-Related (ATTR)Amyloidosis, Wild-Type Transthyretin Cardiac Amyloidosis, Transthyretin Amyloidosis
Interventions
patisiran
Drug
Lead sponsor
Austin Neuromuscular Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Austin, Texas