Clinical trial registry record

A Study of Danicopan in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration

A registered PHASE2 study indexed because it matched monitored longevity research terms. Registry status: Terminated. Registration does not establish safety or effectiveness.

Plain-language guide

Five questions to ask about this record

What this is
A clinical study registration, not a result or recommendation.
Why it may matter
The registry currently reports Terminated.
Evidence
Registered phase 2 study.
Main limitation
Registration does not prove that the intervention works, is safe, or is available to you.
What changed
Registry metadata was last updated September 5, 2025.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT05019521
Last registry update
September 5, 2025
Status
Terminated
Phase
Phase 2
Sponsor
Alexion Pharmaceuticals, Inc.
Enrollment
365
Countries
United States, Australia, Czechia, France, Germany, Hungary, Italy, Japan, Latvia, Slovakia, South Korea, Spain, United Kingdom
Match confidence
80%
Source feed
ClinicalTrials.gov
Automated source synopsis

A registered PHASE2 study indexed because it matched monitored longevity research terms. Registry status: Terminated. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase 2
Study design
RANDOMIZED · PARALLEL · TREATMENT · QUADRUPLE
Evidence population
Human clinical study registration
Participants
365
Population
ALL · 60 Years
Duration
2021-08-23 to 2025-01-21
Intervention
Danicopan; Placebo
Comparator
Placebo
Outcomes measured
Rate of Change From Baseline to Week 52 in the Square Root (Sqrt) of Total Geographic Atrophy (GA) Lesion Area in the S…; Change From Baseline to Week 104 in the Sqrt of the Total GA Lesion Area in the Study Eye as Measured by FAF — Baseline…; Change From Baseline to Week 52 and Week 104 in the Total GA Lesion Area in the Study Eye as Measured by FAF — Baseline…; Change From Baseline to Week 52 and Week 104 in Percent Macular Ellipsoid Zone (EZ) Total Attenuation in the Study Eye,…; Change From Baseline to Week 52 and Week 104 in Percent Macular EZ Partial Attenuation in the Study Eye, the Fellow Eye…; Change From Baseline to Week 52 and Week 104 in Outer Nuclear Layer (ONL) - Retinal Pigment Epithelium (RPE) Mean Centr…; Change From Baseline to Week 52 and Week 104 in ONL-RPE Mean Central Macular 2 mm Subfield Thickness in the Study Eye,…; Change From Baseline to Week 52 and Week 104 in Ellipsoid Zone (EZ) - (RPE) Macular Volume in the Study Eye, the Fellow…; Change From Baseline to Week 52 and Week 104 in EZ-RPE Mean Central 1 mm Subfield Thickness in the Study Eye, the Fello…; Change From Baseline to Week 52 and Week 104 in EZ-RPE Mean Central Macular 2 mm Thickness in the Study Eye, the Fellow…; Change From Baseline to Week 52 and Week 104 in Percent Central 1 mm Subfield EZ Total Attenuation in the Study Eye, th…; Change From Baseline to Week 52 and Week 104 in Percent Central 1 mm Subfield EZ Partial Attenuation in the Study Eye,…; Change From Baseline to Week 52 and Week 104 in Percent Central Macular 2 mm Subfield EZ Total Attenuation in the Study…; Change From Baseline to Week 52 and Week 104 in Percent Central Macular 2 mm Subfield EZ Partial Attenuation in the Stu…; Change From Baseline to Week 52 and Week 104 in Sub-RPE Central 1 mm Subfield Mean Thickness in the Study Eye, Fellow E…; Change From Baseline to Week 52 and Week 104 in Sub-RPE Central Macular 2 mm Subfield Mean Thickness in the Study Eye,…; Change From Baseline to Week 52 and Week 104 in Panmacular Sub-RPE Volume in the Study Eye, Fellow Eye and Both Eyes Co…; Change From Baseline to Week 52 and Week 104 in Percent Macular Total RPE Attenuation in the Study Eye, Fellow Eye and…; Change From Baseline to Week 52 and Week 104 in Percent Central 1 mm Subfield Total RPE Attenuation in the Study Eye, F…; Change From Baseline to Week 52 and Week 104 in Percent Central Macular 2 mm Subfield Total RPE Attenuation in the Stud…
Reported result
No reusable finding-level result is available in this record.

Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.

Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.

Source supportStructured registry protocol metadata; no finding-level conclusion is generated.

Trial stage · Phase 2A trial phase describes development stage; it does not establish a positive result.
Phase 1Phase 2Phase 3Phase 4

Registration and recruitment status do not establish safety, efficacy, or regulatory approval.

Why this record appears here · 80% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Vision ageing · 80%Title contains controlled term: age-related macular degeneration. Title supplies longevity context: age-related. Study type is explicitly identified as INTERVENTIONAL.

Automated source check 100% · update recency 65%. These figures help sort records; they are not medical ratings.