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Study details
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A Study Investigating Subcutaneously Administered Pozelimab in Combination With Cemdisiran or Cemdisiran Alone in Adult Participants With Geographic Atrophy

Regeneron Pharmaceuticals
NCT IDNCT06541704ClinicalTrials.gov data as of Apr 2026
Phase

Phase 3

Target enrollment

975

Study length

about 7.6 years

Ages

50–85

Locations

152 sites in AR, AZ, CA +30

What this study is about

This trial is testing a treatment called pozelimab, either alone or with cemdisiran, for people with geographic atrophy (GA) caused by age-related macular degeneration (AMD). The goal is to see how quickly GA progresses in eyes treated with cemdisiran alone or in combination with pozelimab compared to those treated with a placebo.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take Cemdisiran
  • 2.Take Placebo
  • 3.Take Pozelimab

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
Randomized & Blinded

You may get a placebo/standard care, and you won't know which.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Drug classes

pozelimab

Endpoints

Secondary: Change from baseline in Low-Contrast quantitative Visual Acuity (LC-qVA), Change from baseline in Low-Luminance Low-Contrast quantitative Visual Acuity (LL-LC-qVA), Change from baseline in concentration of total Complement component 5 (C5), Change from baseline in quantitative Contrast Sensitivity Function (qCSF), Occurrence of Treatment-Emergent Adverse Events (TEAEs), Severity of TEAEs