HAELO: A Phase 3 Study to Evaluate NTLA-2002 in Participants With Hereditary Angioedema (HAE)
Public ClinicalTrials.gov record NCT06634420. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
HAELO: A Phase 3, Multinational, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of NTLA-2002 in Participants With Hereditary Angioedema (HAE)
Study identification
- NCT ID
- NCT06634420
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Intellia Therapeutics
- Industry
- Enrollment
- 80 participants
Conditions and interventions
Conditions
Interventions
- NTLA-2002 Biological
- Normal Saline IV Administration Biological
Biological
Eligibility (public fields only)
- Age range
- 16 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 14, 2025
- Primary completion
- Feb 9, 2026
- Completion
- Aug 31, 2027
- Last update posted
- May 14, 2026
2025 – 2027
United States locations
- U.S. sites
- 14
- U.S. states
- 10
- U.S. cities
- 14
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Medical Research of Arizona | Scottsdale | Arizona | 85251 | — |
| University of California, San Diego (UCSD) | San Diego | California | 92122 | — |
| Raffi Tachdjian MD, Inc | Santa Monica | California | 90404 | — |
| Allergy & Asthma Clinical Research | Walnut Creek | California | 94598 | — |
| IMMUNOe International Research Centers | Centennial | Colorado | 80112 | — |
| Asthma & Allergy Associates | Colorado Springs | Colorado | 80907 | — |
| University of South Florida | Tampa | Florida | 33613 | — |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | — |
| Washington University in St. Louis | St Louis | Missouri | 63141 | — |
| NYU Langone Health - Long Island | Mineola | New York | 11501 | — |
| Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | — |
| Bernstein Clinical Research Center, LLC | Cincinnati | Ohio | 45236 | — |
| Penn State Milton S. Hershey Medical Center | Hershey | Pennsylvania | 17033 | — |
| AARA Research Center | Dallas | Texas | 75231 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 15 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06634420, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 14, 2026 · Synced May 20, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06634420 live on ClinicalTrials.gov.