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Intellia Therapeutics Reports Additional Positive Phase 3 Results for Lonvoguran Ziclumeran (lonvo-z) in Patients with Hereditary Angioedema

$NTLAPress releaseJun 13, 2026, 7:30 AM ETRead the release

Intellia Therapeutics reported additional positive Phase 3 data for its CRISPR-based therapy lonvo-z in hereditary angioedema, presented at the EAACI Congress and published in the New England Journal of Medicine. The trial met its primary endpoint with an 87% reduction in monthly attacks versus placebo, and 62% of patients were entirely attack-free during the six-month evaluation period. With a BLA already submitted to the FDA in April, these results support the company’s expectation of regulatory approval and a U.S.

Key figures

Drug Name
lonvoguran ziclumeran (lonvo-z)
Phase Of Trial
Phase 3
Ae qol improvement
-17.04
Attack free patients
62%
Primary endpoint reduction
87%
On demand treatment reduction
89%
Moderate severe attack reduction
91%

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