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Danicopan

Phase 3

Paroxysmal Nocturnal Hemoglobinuria | Small molecule | Other |AstraZeneca PLC|Last Updated: Apr 16, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials3
Total Enrollment172
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06449001Study of Danicopan as Add-on Treatment to Ravulizumab or Eculizumab in Pediatric Participants With PNH Who Have Clinically Significant Extravascular HemolysisPHASE3 RECRUITING 6Aug 11, 2025Mar 10, 2028Dec 23, 20254 Canada, France +1
NCT05389449A Long-term Safety and Efficacy Study of Danicopan as an Add-on Therapy to Complement Component 5 Inhibitor (C5i) in Participants With PNHPHASE3 ACTIVE NOT_RECRUITING 80Oct 28, 2022Jul 31, 2026Apr 16, 202645 United States, Brazil +13
NCT04469465Danicopan as Add-on Therapy to a C5 Inhibitor in Paroxysmal Nocturnal Hemoglobinuria (PNH) Participants Who Have Clinically Evident Extravascular Hemolysis (EVH)(ALPHA)PHASE3 COMPLETED 86Dec 16, 2020Jan 16, 2024May 4, 202562 United States, Brazil +16
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Study Endpoints
Primary Endpoints
Change From Baseline in Hemoglobin (Hgb) Concentration at Week 12
Baseline, Week 12
Participants Experiencing Treatment-emergent Adverse Events (TEAEs) And Serious TEAEs
Up to 3 years
Change From Baseline in Hgb at Week 12
Baseline, Week 12

Baseline was defined as the lowest Hgb value observed between and including Screening and Day 1. The least square (LS) mean and standard error (SE) were produced using mixed-effect model for repeated measures (MMRM). Hgb values collected within 4 weeks after transfusion were not included in the MMRM.

Secondary Endpoints
Maximum Plasma Concentration (Cmax) of Danicopan
Day 1 up to Week 12
Number of Participants With Transfusion Avoidance Through Weeks 12 and 24
Weeks 12 and 24
Change From Baseline in Absolute Reticulocyte Count at Weeks 12 and 24
Baseline, Weeks 12 and 24
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
DanicopanEXPERIMENTALParticipants will receive a 12-week weight-based open-label treatment period and up to 1 year open-label long term extension period.
Danicopan + C5 InhibitorEXPERIMENTALParticipants will receive danicopan, in addition to their C5 inhibitor therapy, for 24 weeks (12 weeks in Treatment Period 1, followed by 12 weeks in Treatment Period 2).
Placebo + C5 InhibitorPLACEBO_COMPARATORParticipants will receive placebo, in addition to their C5 inhibitor therapy, for 12 weeks during Treatment Period 1. At Week 12, participants randomized to receive placebo will be switched to danicopan for an additional 12 weeks (Treatment Period 2).
Interventions
NameTypeDescription
DanicopanDRUGParticipants will receive danicopan on a weight-based dosing regimen.
PlaceboDRUGOral tablet
C5 InhibitorDRUGParticipants will continue to receive their ongoing C5 inhibitor (eculizumab or ravulizumab) therapy according to their usual dose and schedule.
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Eligibility Criteria
Age Range12 Years — 17 Years
SexALL
Healthy VolunteersNo
Study Sites4

Inclusion Criteria: * Confirmed diagnosis of PNH. * CS-EVH defined by: Anemia: Hgb ≤ 11.0 g/dL, and absolute reticulocyte count ≥ 100 × 109/L * Treated with ravulizumab or eculizumab for at least 12 weeks immediately preceding Day 1, the dose received should be stable during this period, and there ...

Countries:CanadaFranceUnited KingdomUnited StatesBrazilCzechiaGreeceIsraelItalyJapanMalaysiaPolandSouth KoreaSpainThailandGermanyNetherlandsTaiwan
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06449001primaryCompletionDate: changed
LOWMay 26, 2026NCT05389449primaryCompletionDate: changed
LOWMay 24, 2026NCT06449001studyFirstPostDate: changed
LOWMay 24, 2026NCT05389449studyFirstPostDate: changed