Danicopan as Add-on Therapy to a C5 Inhibitor in Paroxysmal Nocturnal Hemoglobinuria (PNH) Participants Who Have Clinically Evident Extravascular Hemolysis (EVH)(ALPHA)
Public ClinicalTrials.gov record NCT04469465. 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 Phase 3 Study of Danicopan (ALXN2040) as Add-on Therapy to a C5 Inhibitor (Eculizumab or Ravulizumab) in Patients With Paroxysmal Nocturnal Hemoglobinuria Who Have Clinically Evident Extravascular Hemolysis (EVH)
Study identification
- NCT ID
- NCT04469465
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Alexion Pharmaceuticals, Inc.
- Industry
- Enrollment
- 86 participants
Conditions and interventions
Conditions
Interventions
- C5 Inhibitor Drug
- Danicopan 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
- Dec 15, 2020
- Primary completion
- Jun 28, 2022
- Completion
- Jan 15, 2024
- Last update posted
- May 3, 2025
2020 – 2024
United States locations
- U.S. sites
- 7
- U.S. states
- 7
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Research Site | Los Angeles | California | 90089 | — |
| Research Site | Weston | Florida | 33331 | — |
| Research Site | Chicago | Illinois | 60612 | — |
| Research Site | Kalamazoo | Michigan | 49007 | — |
| Research Site | New York | New York | 10065 | — |
| Research Site | Dallas | Texas | 75390 | — |
| Research Site | Milwaukee | Wisconsin | 53212 | — |
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 55 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04469465, 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 3, 2025 · Synced May 10, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04469465 live on ClinicalTrials.gov.