A Study to Assess the Clinical Efficacy of Donidalorsen (Also Known as IONIS-PKK-LRx and ISIS 721744) in Participants With Hereditary Angioedema
Public ClinicalTrials.gov record NCT04030598. 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
A Randomized, Double-Blind, Placebo-Controlled, Phase 2a Study to Assess the Clinical Efficacy of ISIS 721744, a Second-Generation Ligand-Conjugated Antisense Inhibitor of Prekallikrein, in Patients With Hereditary Angioedema
Study identification
- NCT ID
- NCT04030598
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Ionis Pharmaceuticals, Inc.
- Industry
- Enrollment
- 23 participants
Conditions and interventions
Conditions
Interventions
- Donidalorsen Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 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 6, 2020
- Primary completion
- Jan 3, 2021
- Completion
- Feb 28, 2021
- Last update posted
- Apr 2, 2023
2020 – 2021
United States locations
- U.S. sites
- 7
- U.S. states
- 6
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Medical Research of Arizona | Scottsdale | Arizona | 85251 | — |
| University of California San Diego (UCSD) | San Diego | California | 92122 | — |
| AIRE Medical of Los Angeles | Santa Monica | California | 90404 | — |
| Midwest Immunology Clinical | Plymouth | Minnesota | 55446 | — |
| Bernstein Clinical Research Center, LLC | Cincinnati | Ohio | 45231 | — |
| Penn State 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 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04030598, 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 Apr 2, 2023 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04030598 live on ClinicalTrials.gov.