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FDA Aligns on Rocket Pharmaceuticals RP-A501 Phase 2 Trial Design for Danon Disease

Published

16 September 2026

Topic

opportunities

◆ Sectors

Biotech

◆ Geography

United States

◆ Source

Read at clinicaltrialvanguard.com →

◆ Verified

Fusion42 · 17 September 2026 · Fusion42 review

The FDA has provided alignment on the design of Rocket Pharmaceuticals' pivotal Phase 2 trial for RP-A501 targeting Danon disease, including dose recalibration, a 12-patient trial size, and a 12-month co-primary endpoint structure.

This Wire brief sits within Fusion42's coverage of Biotech.

◆ ◆ The Wire takeaway

Your biotech company can now benchmark ultra-rare disease trials against a regulatory-approved blueprint to run small, precise patient cohorts efficiently. Start engaging with diagnosed patients early to meet tight enrolment and data quality demands that will dictate your trial's success.

◆ Coverage

1 source · 16 Sep 2026

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Biotechfda-alignmentrare-diseaseclinical-trialgene-therapydanon-disease