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All 32 ATTR Amyloidosis (Transthyretin Amyloidosis) trials and their US sites
Enter your ZIP code above to sort them by how far their nearest open site is from you.
- CLEOPATTRA: A Research Study to Look at the Effects of Treatment With a Medicine Called Coramitug (NNC6019-0001) in People With Heart Failure Due to Transthyretin Amyloid (ATTR) AmyloidosisMost sites in California, New York and TexasRecruitingPhase 3Ages 18+Novo Nordisk A/S62US sites
27 states - TRITON-CM: A Study to Evaluate Nucresiran in Patients With Transthyretin Amyloidosis With CardiomyopathyMost sites in New York, Texas and VirginiaRecruitingPhase 3Ages 18-85Alnylam Pharmaceuticals45US sites
24 states - Acoramidis Transthyretin Amyloidosis Prevention Trial in the Young (ACT-EARLY) Study in Asymptomatic Carriers of a Pathogenic TTR VariantMost sites in California, New York and FloridaRecruitingPhase 3Ages 18-75Eidos Therapeutics, a BridgeBio company40US sites
23 states - MAGNITUDE: A Phase 3 Study of NTLA-2001 in Participants With Transthyretin Amyloidosis With Cardiomyopathy (ATTR-CM)Most sites in Texas, California and PennsylvaniaRecruitingPhase 3Ages 18-90Intellia Therapeutics37US sites
23 states - Non-interventional Study of Patients With Transthyretin (ATTR) AmyloidosisMost sites in California, New York and MassachusettsRecruitingAges 18-130AstraZeneca33US sites
20 states - DemonsTTRate: A Global, Observational, Multicenter, Long-term Study of Patients With ATTR-CM in a Real-World SettingMost sites in California, Arizona and FloridaRecruitingAges 18+Alnylam Pharmaceuticals13US sites
12 states - ConTTRibute: A Global Observational Study of Patients With Transthyretin (TTR)-Mediated Amyloidosis (ATTR Amyloidosis)Most sites in California, Texas and FloridaRecruitingAlnylam Pharmaceuticals12US sites
10 states - TRITON-PN: A Study to Evaluate the Efficacy and Safety of Nucresiran in Patients With Hereditary Transthyretin Amyloidosis With PolyneuropathyMost sites in New York, Texas and ColoradoRecruitingPhase 3Ages 18-85Alnylam Pharmaceuticals11US sites
9 states - Analysis of Lumbar Spine Stenosis Specimens for Identification of Transthyretin Cardiac AmyloidosisMost sites in Massachusetts, California and New YorkRecruitingAges 50+Columbia University5US sites
4 states - US Benchmarking Clinical StudyOnly in MassachusettsRecruitingAges 60+eMyosound SAS3US sites
- Cardiac Magnetic Resonance and Echocardiography Study With AcoramidisOnly in MissouriRecruitingPhase 4Ages 18-80Eidos Therapeutics, a BridgeBio company1US site
- Characterizing Iodine-124 Evuzumitide (AT-01) in Systemic AmyloidosisOnly in OregonRecruitingPhase 2Ages 40-90Oregon Health and Science University1US site
- Long-term Safety of Eplontersen Treated aTTR Patients and in Liver Transplant and Severely Hepatic Impaired SubpopulationsOnly in CaliforniaRecruitingAges 18+AstraZeneca1US site
- Patisiran-Lipid Nanoparticle (LNP) Pregnancy Surveillance ProgramOnly in IowaRecruitingAlnylam Pharmaceuticals1US site
- Prevalence and Prediction of ATTR in Ambulatory Patients With HFpEFOnly in MassachusettsRecruitingAges 65+Massachusetts General Hospital1US site
- A Multicenter Study on Atrioventricular Regurgitation in Transthyretin Amyloid Cardiomyopathy: Definition, Prevalence, and Prognostic Impact.RecruitingAges 18+Medical University of ViennaNo US site yet
- A Study to Learn About the Use of Acoramidis in Patients With a Heart Condition Called Transthyretin Amyloid Cardiomyopathy (ATTR-CM) in a Real-world SettingRecruitingAges 18+BayerNo US site yet
- An Interventional Pilot Study to Investigate the Feasibility and Acceptance of a Structured Psychological Support Program for Patients, Caregivers, and Presymptomatic Carriers in Hereditary Transthyretin Amyloidosis With CardiomyopathyRecruitingAges 18+Fondazione IRCCS Policlinico San Matteo di PaviaNo US site yet
- ATTR Amyloid Cardiomyopathy: Characterization of Extracellular Vesicles as Potential Disease Stratifiers and Prognostic BiomarkersRecruitingAges 18+University of Sao Paulo General HospitalNo US site yet
- ATTR Cardiac Amyloidosis in a Selected PopulationRecruitingAges 50+Helse Møre og Romsdal HFNo US site yet
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Who runs the ATTR Amyloidosis (Transthyretin Amyloidosis) trials in the US, and what stage they are in
Of the 17 ATTR Amyloidosis (Transthyretin Amyloidosis) trials with a US site, 6 are in Phase 3, the last stage before a company can ask the FDA for approval. One more is an earlier Phase 1 or 2 test of safety and dosing. One is a Phase 4 study of an already approved treatment. The remaining 9 have no drug phase, such as studies that follow people over time or test a device or a way of giving care. Companies run 13 of them, and universities, hospitals, foundations and government groups run 4. The sponsors with the most are Alnylam Pharmaceuticals (5), AstraZeneca (2) and Eidos Therapeutics, a BridgeBio company (2). The most recently listed one first appeared on ClinicalTrials.gov on August 28, 2026.
ATTR Amyloidosis (Transthyretin Amyloidosis) trials in the US, state by state
Of the 17 ATTR Amyloidosis (Transthyretin Amyloidosis) trials with a US site, 4 accept children under 18. Their open sites are in 22 states and Washington, DC, most often New York, Texas and California. A trial counts once in each state where it has an open site, and some trials accept both children and adults.
Show the other 23 states
US hospitals running the most ATTR Amyloidosis (Transthyretin Amyloidosis) trials
Centers that run trials for a rare condition often see more people with it than most clinics do, so this list can also help you find doctors who know ATTR Amyloidosis (Transthyretin Amyloidosis).
- Massachusetts General HospitalBoston, Massachusetts4 trials
- Brigham and Women's HospitalBoston, Massachusetts3 trials
- Cleveland ClinicCleveland, Ohio3 trials
- Clinical Trial SiteLa Jolla, California3 trials
- Clinical Trial SiteKansas City, Kansas3 trials
- Clinical Trial SiteBaltimore, Maryland3 trials
- Clinical Trial SiteBoston, Massachusetts3 trials
- Clinical Trial SiteNew York, New York3 trials
- Clinical Trial SitePhiladelphia, Pennsylvania3 trials
- Clinical Trial SiteDallas, Texas3 trials
Help getting to an ATTR Amyloidosis (Transthyretin Amyloidosis) trial far from home
Ask the study team whether the trial pays back travel, parking and hotel costs, because many sponsors do. The FDA's guidance on paying research volunteers says paying back these costs does not count as pressuring someone to join.
These nonprofits also help patients reach care, and each one sets its own rules.
- Mercy Medical Angels
- Pays for gas cards, ground rides and airline tickets anywhere in the US, and it lists clinical trials as a reason to travel. Household income at or below 300% of the federal poverty guidelines, and usually a trip of 50 miles or more each way.
- Air Charity Network
- Volunteer pilots in all 50 states fly patients for free in small private planes, and members also fly people taking part in clinical trials. You must be able to walk and sit upright for the flight, show financial need and have a backup plan if weather cancels it.
- Ronald McDonald House
- Gives families a room near the hospital while a child gets care, through 394 House programs around the world. Families of a sick child, with rules set by each local chapter.
- Healthcare Hospitality Network
- Keeps a map of hospitality houses near hospitals, and most member houses charge little or nothing to patients and families. Each house sets its own rules, so check with the house near your study site.
Program details were checked on each program's website on October 24, 2026.
Questions about finding an ATTR Amyloidosis (Transthyretin Amyloidosis) trial near you
Are there ATTR Amyloidosis (Transthyretin Amyloidosis) clinical trials near me?
As of November 13, 2026, 32 ATTR Amyloidosis (Transthyretin Amyloidosis) clinical trials are recruiting now and 7 are not yet recruiting. In the US, 17 of them have at least 1 open site, across 32 states and Washington, DC. Enter your ZIP code on this page to rank every one of them by the distance to its closest open site, with the sites shown on a map.
Which states have ATTR Amyloidosis (Transthyretin Amyloidosis) clinical trial sites?
Recruiting ATTR Amyloidosis (Transthyretin Amyloidosis) trials list open sites in 32 states and Washington, DC. Massachusetts, California and New York have the most, and the table on this page lists every state.
Are there ATTR Amyloidosis (Transthyretin Amyloidosis) trials for children near me?
Of the 17 ATTR Amyloidosis (Transthyretin Amyloidosis) trials with a US site, 4 accept children under 18. Their open sites are in 22 states and Washington, DC, most often New York, Texas and California. Each trial sets its own age limits, so check the ages listed on a trial before you contact it.
Who pays for travel to an ATTR Amyloidosis (Transthyretin Amyloidosis) clinical trial?
Many trial sponsors pay back travel, parking and hotel costs, so ask the study team before you rule out a far-away site. The FDA's guidance says paying back these costs does not count as pressuring someone to join. Charities such as Mercy Medical Angels and Air Charity Network can also help with rides and flights.
What if there is no ATTR Amyloidosis (Transthyretin Amyloidosis) trial near me?
Some trials send staff to your home or use a local lab, so fewer visits happen at the study site. You can also sign up on this page to get an email when an ATTR Amyloidosis (Transthyretin Amyloidosis) trial opens a new site or changes status.
How is the distance to a trial site measured?
Distances are straight-line miles from the center of your ZIP code to each study site's listed location, not driving distance. Your browser looks up the ZIP code's coordinates with a free map service, Zippopotam.us, and the ZIP code is never sent to or stored by Trial Friend.
FDA-approved for ATTR Amyloidosis (Transthyretin Amyloidosis): Amvuttra (vutrisiran), Attruby (acoramidis), Onpattro (patisiran), Vyndamax (tafamidis), Wainua (eplontersen).
Clinical trials near you for related conditions
Source: ClinicalTrials.gov, trials with status Recruiting or Not yet recruiting. Refreshed every 6 hours; counts as of November 13, 2026. Sites that ClinicalTrials.gov lists as closed or withdrawn are left out. Children means the trial's age group includes people under 18.