New drug combo for rare blood disease under safety watch
NCT ID NCT07413679
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows 50 adults with PNH who take danicopan along with their usual medication (eculizumab or ravulizumab). Researchers track serious side effects and infections over time to see if the combination is safe for long-term use. Participants are already in a PNH registry and started danicopan after joining.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Jul 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
The study population will consist of adult participants ≥ 18 years at danicopan treatment initiation (baseline) as add-on therapy to ravulizumab/eculizumab. Participants will have initiated treatment with danicopan on or after registry enrollment.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adult participants aged ≥ 18 years at danicopan treatment initiation (baseline) as add-on therapy to ravulizumab/eculizumab. * Initiated treatment with danicopan on or after registry enrollment Exclusion Criteria: * Participants without known year of birth, sex, informed consent date, or treatment status of danicopan and ravulizumab and/or eculizumab treatment status.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Alexion Pharmaceuticals, Inc. (Sponsor)
Boston, Massachusetts, 02210, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- A pill that could replace infusions for a rare blood disease?
- Every-8-Week shot could simplify PNH treatment
- Real-World test: can a targeted drug keep PNH in check for years?
- New transplant method aims to reduce complications in bone marrow failure patients
- No treatment, just observation: large study looks at PNH blood cells
- New hope for rare blood disorder: Long-Term study of XH-S003 underway