MAGNITUDE: A Phase 3 Study of NTLA-2001 in Participants With Transthyretin Amyloidosis With Cardiomyopathy (ATTR-CM)

Trial statusRecruiting
Trial phasePhase 3
Trial typeInterventional
Biological sexAll
Age18-90
SponsorIntellia Therapeutics

About this trial

To evaluate the efficacy and safety of a single dose of NTLA-2001 compared to placebo in participants with ATTR-CM.

Eligibility criteria

Qualifiers

Documented diagnosis of ATTR amyloidosis with cardiomyopathy

Medical history of heart failure (HF)

Symptoms of HF are optimally managed and clinically stable within 28 days prior to administration of study intervention

Screening NT-proBNP, a blood marker of HF severity, greater than or equal to 600 pg/mL and less than 10,000 pg/mL

Disqualifiers

New York Heart Association (NYHA) Class IV HF

Polyneuropathy Disability score of IV (confined to wheelchair or bed)

Has hepatitis B, hepatitis C or human immunodeficiency virus (HIV) infection

History of active malignancy within 3 years prior to screening

Trial design

Treatments tested in this trial

  • NTLA-2001
  • Placebo

Treatment groups

1,200 Participants
are divided into 2 treatment groups

Sponsors and collaborators

Intellia Therapeutics

Lead sponsor

Regeneron Pharmaceuticals

Collaborator