for people ages 18-85 (full criteria)
at San Diego, California and other locations
study started



The objective of the study is to assess the long-term safety of patisiran in patients with ATTR amyloidosis with cardiomyopathy as assessed by a review of adverse events (AEs).

Official Title

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


Choosing to participate in an expanded access program is an important personal decision. Talk with your doctor and family members or friends about deciding to join a research study. To learn more about this study, please have your doctor contact the study research staff using the Contacts provided.


Transthyretin-mediated Amyloidosis With Cardiomyopathy, ATTR Amyloidosis With Cardiomyopathy, RNAi therapeutic, Amyloidosis, Cardiomyopathy, TTR, Transthyretin, Cardiomyopathies, Patisiran


You can join if…

Open to people ages 18-85

  • Documented diagnosis of ATTR amyloidosis with cardiomyopathy, classified as either hATTR amyloidosis with cardiomyopathy or wtATTR amyloidosis with cardiomyopathy; AND
    • Had an inadequate response to or could not tolerate standard of care, in the opinion of the investigator.
  • Is not eligible for on-label use of commercial patisiran in the opinion of the investigator.

You CAN'T join if...

  • New York Heart Association (NYHA) Class IV
  • NYHA Class III AND ATTR amyloidosis disease Stage 3 (defined as both N-terminal prohormone B-type natriuretic peptide (NT-proBNP) >3000 ng/L and estimated glomerular filtration rate [eGFR] <45 ml/min/1.73 m2). [Gillmore 2018]
  • Current or future participation in another investigational device or drug study, scheduled to occur during this study, or has received an investigational agent or device within 30 days (or 5 half-lives of the investigational drug, whichever is longer) prior to dosing (Day 1). Patients who have previously participated in a gene therapy trial for hATTR amyloidosis.
  • Patients currently enrolled in, eligible for inclusion in, or who have dropped out of an ongoing interventional (therapeutic) clinical trial related to ATTR amyloidosis.


  • University of California San Diego not accepting new patients
    San Diego California 92093 United States
  • Cedars-Sinai Medical Center not accepting new patients
    Los Angeles California 90048 United States


not accepting new patients
Start Date
Alnylam Pharmaceuticals
Study Type
Expanded Access
Last Updated