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Intellia Therapeutics to Report Additional Phase 3 HAELO Data for Lonvoguran Ziclumeran (lonvo-z) in Late-Breaking Oral Presentation at EAACI 2026

Key Takeaway: Intellia Therapeutics will present additional Phase 3 data for lonvo-z at the EAACI Annual Congress 2026. The study focuses on hereditary angioedema (HAE) and will include a late-breaking oral presentation and a poster on patient burdens. Lonvo-z aims to be a groundbreaking CRISPR-based treatment for HAE.
Price reaction · baseline $14.07 (2026-05-29 close) · clean, no other NTLA news in the window
day 0 close · peak
-2.4%

Market Sentiment Analysis

POSITIVE FACTORS

  • Intellia is presenting promising Phase 3 data for lonvo-z.
  • Lonvo-z has the potential to be a one-time treatment for HAE.
  • The therapy has received multiple regulatory designations, indicating strong support.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+76%
120-day peak, hindsight
Typical move
9.6%
average across 8 past catalysts
Cash runway
~22 mo
Low dilution risk
Lead asset
NTLA-2002
Phase 3 · Hereditary Angioedema

Full Press Release Details

CAMBRIDGE, Mass., June 01, 2026 (GLOBE NEWSWIRE) --Intellia Therapeutics, Inc.(Nasdaq: NTLA), a leading biopharmaceutical company focused on revolutionizing medicine leveraging CRISPR gene editing and other core technologies, today announced that data from the global Phase 3 HAELO clinical trial of lonvo-z (formerly known as NTLA-2002) in hereditary angioedema (HAE) will be presented in a late-breaking oral presentation at the European Academy of Allergy & Clinical Immunology (EAACI) Annual Congress 2026, taking place June 12-15 in Istanbul, Türkiye. Intellia will also have a poster presentation detailing the burdens experienced by HAE patients living outside the United States.

Late-Breaking Oral Presentation Details:

• Title:HAELO, a Phase 3, Global, Randomised, Double-Blind, Placebo-Controlled Study of Lonvoguran Ziclumeran, a CRISPR-Based Gene Editing Therapy, in Patients with Hereditary AngioedemaSession:Immune deficiencies and autoimmunityData and Time:Saturday, June 13, 2026, from 8:45 – 9:45 a.m. TRTPresentation Number:100217Presenter:Danny Cohn, M.D., Ph.D., Internist, Department of Vascular Medicine, Amsterdam Cardiovascular Sciences, Amsterdam University Medical Center, University of Amsterdam

Poster Presentation Details:

• Title:Barriers to Normalization with Existing Treatments Among People Living with Hereditary Angioedema in EuropeSession:Immune deficiencies and autoimmunity 02Data and Time:Friday, June 12, 2026, from 12:00 – 1:00 p.m. TRTPoster Number:D1.336Presenter:Henriette Farkas, M.D., Ph.D., Professor of Allergy and Clinical Immunology Director of the Hungarian Angioedema Center of Reference and Excellence, Department of Internal Medicine and Hematology, Semmelweis University
About Lonvo-zBased on Nobel Prize-winning CRISPR/Cas9 technology, lonvo-z has the potential to become the first one-time treatment for hereditary angioedema (HAE). Lonvo-z is anin vivoCRISPR gene editing candidate that is intended to permanently lower kallikrein by inactivating thekallikrein B1(KLKB1) gene with a single dose. Lonvo-z has received five notable regulatory designations: Orphan Drug and RMAT Designation by the U.S. Food and Drug Administration (FDA), the Innovation Passport by the U.K. Medicines and Healthcare products Regulatory Agency (MHRA), Priority Medicines (PRIME) Designation by the European Medicines Agency, as well as Orphan Drug Designation (ODD) by the European Commission.
About Hereditary AngioedemaHereditary angioedema (HAE) is a rare, genetic disease characterized by severe, recurring and unpredictable inflammatory attacks in various organs and tissues of the body, which can be painful, debilitating and life-threatening. It is estimated that one in 50,000 people are affected by HAE. There are preventative and on-demand treatment options to help manage the condition, including long- and short-term prophylaxis used to prevent swelling attacks. Current treatment options often include lifelong therapies, which may require chronic intravenous (IV) or subcutaneous (SC) administration as often as twice per week or daily oral administration to ensure constant pathway suppression for disease control. Despite chronic administration, breakthrough attacks still occur. Kallikrein inhibition is a clinically validated strategy for the preventive treatment of HAE attacks.
About Intellia TherapeuticsIntellia Therapeutics, Inc. (Nasdaq: NTLA) is a leading clinical-stage biopharmaceutical company focused on revolutionizing medicine leveraging CRISPR gene editing and other core technologies. The company’s mission is to transform the lives of people with severe diseases by developing and commercializing potentially curative treatments. With deep scientific, technical and clinical development experience, Intellia aims to reset the standard for medicine by durably treating the root causes of disease. Learn more atintelliatx.comand follow us@intelliatx.
Investor Contact:Jason FredetteVice President, Investor Relations and Corporate CommunicationsIntellia Therapeutics, Inc.jason.fredette@intelliatx.com

Media Contact:Mike TattoryVice PresidentLifeSci Communicationsmtattory@lifescicommunications.com

Frequently Asked Questions

What is the focus of Intellia's Phase 3 study?

The Phase 3 study focuses on lonvo-z for treating hereditary angioedema.

When will the EAACI Annual Congress take place?

The EAACI Annual Congress will take place from June 12-15, 2026.

What is lonvo-z's mechanism of action?

Lonvo-z uses CRISPR technology to inactivate the kallikrein B1 gene.

What regulatory designations has lonvo-z received?

Lonvo-z has received Orphan Drug and RMAT Designation from the FDA.

Last updated: Jun 1, 2026