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

Description

This study is researching experimental (study) drugs called pozelimab and cemdisiran. The study is focused on participants who have geographic atrophy (GA) caused by age-related macular degeneration (AMD). Geographic atrophy is a medical term that refers to later-stage cases of AMD which is an eye condition affecting central vision (what one sees straight ahead). The purpose of this study is to evaluate the progression rate of Geographic Atrophy in eyes of patients treated with cemdisiran alone or in combination with pozelimab compared to those treated with placebo. The study is looking at several other research questions, including: * What side effects may happen from taking the study drug(s) * How much study drug(s) are in the blood at different times * Whether the body makes antibodies against the study drug(s) (which could make the study drug(s) less effective or could lead to side effects)

Conditions

Age-related Macular Degeneration (AMD), Geographic Atrophy (GA)

Study Overview

Study Details

Study overview

This study is researching experimental (study) drugs called pozelimab and cemdisiran. The study is focused on participants who have geographic atrophy (GA) caused by age-related macular degeneration (AMD). Geographic atrophy is a medical term that refers to later-stage cases of AMD which is an eye condition affecting central vision (what one sees straight ahead). The purpose of this study is to evaluate the progression rate of Geographic Atrophy in eyes of patients treated with cemdisiran alone or in combination with pozelimab compared to those treated with placebo. The study is looking at several other research questions, including: * What side effects may happen from taking the study drug(s) * How much study drug(s) are in the blood at different times * Whether the body makes antibodies against the study drug(s) (which could make the study drug(s) less effective or could lead to side effects)

A Multicenter, Randomized, Double-Masked, Placebo-Controlled Phase 3 Study of the Efficacy, Safety, and Tolerability of Subcutaneously Administered Pozelimab in Combination With Cemdisiran or Cemdisiran Alone in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration

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

Condition
Age-related Macular Degeneration (AMD)
Intervention / Treatment

-

Contacts and Locations

Sacramento

VRMG, Inc, Sacramento, California, United States, 95825

Waterford

Retina Group of New England, Waterford, Connecticut, United States, 06385

Fort Lauderdale

Retina Group of Florida, Fort Lauderdale, Florida, United States, 33308

Jacksonville

Florida Retina Institute - Jacksonville, Jacksonville, Florida, United States, 32216

Orlando

Florida Retina Institute - Orlando, Orlando, Florida, United States, 32806

Oak Park

Illinois Retina Associates, Oak Park, Illinois, United States, 60304

Hagerstown

Mid Atlantic Retina Specialist, Hagerstown, Maryland, United States, 217400

Ladson

Charleston Neuroscience Institute, LLC, Ladson, South Carolina, United States, 29456

Bellaire

Retina Consultants Texas, Bellaire, Texas, United States, 77401

Katy

Retina Consultants of Texas, Katy, Texas, United States, 77494

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • 1. Study eye with diagnosis of GA of the macula secondary to AMD not involving the foveal center point as described in the protocol
  • 2. Total GA area in the study eye measuring between ≥2.5 mm2 and ≤17.5 mm2 as described in the protocol
  • 3. BCVA of 35 letters or better using ETDRS charts (20/200 Snellen equivalent) in the study eye as described in the protocol
  • 4. Sufficiently clear ocular media, adequate pupillary dilation and fixation to permit quality fundus imaging in the study eye as described in the protocol
  • 5. Willing and able to comply with clinic visits and study-related procedures, including completion of the full series of meningococcal vaccinations and pneumococcal vaccination required per protocol
  • 1. GA in either eye due to causes other than AMD such as Stargardt disease, cone rod dystrophy or toxic maculopathies like hydroxychloroquine maculopathy
  • 2. History or current evidence of macular neovascularization and/or exudation in either eye as described in the protocol
  • 3. Prior or current Intravitreal (IVT) treatment of any kind for any indication in study eye or fellow eye, except approved or investigational IVT complement inhibitor therapy as long as last dose was ≥6 months prior to randomization
  • 4. Prior intraocular surgery except cataract extraction or minimally invasive glaucoma surgery in study eye as long as date of these procedures was ≥3 months prior to randomization
  • 5. Comorbid progressive ocular condition (eg, diabetic retinopathy, macular edema, uncontrolled glaucoma, full thickness macular hole) in study eye that could affect central vision and confound study
  • 6. Any ophthalmologic condition that reduces the clarity of the media and that, in the opinion of the investigator interferes with ophthalmologic examination of the study eye (e.g., advanced cataract or corneal abnormalities) as described in the protocol
  • 7. History or current use of systemic complement inhibitor therapy within 6 months prior to randomization as described in the protocol
  • 8. History of solid organ or bone marrow transplantation
  • 9. Use of chronic (\>14 days) systemic corticosteroids (oral or parenteral, ≥20 mg oral prednisone or equivalent) within the previous 30 days prior to the first screening visit as described in the protocol
  • 10. Current or prior use of systemic immunosuppressive therapy other than corticosteroids or the likelihood of treatment with any such agent during the study inclusive of the screening period
  • 11. Not meeting meningococcal or pneumococcal vaccination requirements as described in the protocol
  • 12. Carrier of Neisseria meningitidis based on culture collected during screening
  • 13. Has a hemoglobin A1C ≥ 8.0% during screening as described in the protocol

Ages Eligible for Study

50 Years to

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

Regeneron Pharmaceuticals,

Clinical Trial Management, STUDY_DIRECTOR, Regeneron Pharmaceuticals

Study Record Dates

2032-05-21