Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Recruiting Phase 4 Interventional

A Study Assessing Corneal Endothelial Cells in Participants With Neovascular Age-related Macular Degeneration (nAMD) Treated With the Port Delivery System With Ranibizumab (PDS)

ClinicalTrials.gov ID: NCT04853251

Public ClinicalTrials.gov record NCT04853251. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 18, 2026, 2:53 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase IV, Multicenter, Open-label Study to Assess Corneal Endothelial Cells in Patients With Neovascular Age-related Macular Degeneration Treated With the Port Delivery System With Ranibizumab (PDS)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will assess corneal endothelial cells in participants with nAMD treated with PDS refilled every 24 weeks (Q24W).

Study identification

NCT ID
NCT04853251
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 4
Lead sponsor
Genentech, Inc.
Industry
Enrollment
188 participants

Conditions and interventions

Eligibility (public fields only)

Age range
50 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 14, 2021 (Actual)
Primary completion
Jul 30, 2027 (Estimated)
Completion
Aug 31, 2027 (Estimated)
Last update posted
Oct 2, 2026

2021 – 2027

United States locations

U.S. sites
52
U.S. states
28
U.S. cities
50
Facility City State ZIP Site status
Barnet Dulaney Perkins Eye Center Mesa Arizona 85206-2747 Active, not recruiting
California Retina Consultants Bakersfield California 93309 Completed
Retina Associates of Southern California Huntington Beach California 92647 Active, not recruiting
California Eye Specialists Medical group Inc. Pasadena California 91107-3747 Completed
Retinal Consultants Med Group Sacramento California 95841-2013 Active, not recruiting
University of California San Francisco San Francisco California 94158-2510 Active, not recruiting
Orange County Retina Med Group Santa Ana California 92705-6504 Active, not recruiting
Macula Retina Vitreous Research Institute Torrance California 90503-3270 Active, not recruiting
Southwest Retina Consultants Durango Colorado 81303 Completed
Advanced Vision Research Institute Longmont Colorado 80503-6499 Active, not recruiting
Retina Group of New England Waterford Connecticut 06385-1215 Withdrawn
Retina Specialty Institute Pensacola Florida 32503-2030 Active, not recruiting
Ft Lauderdale Eye Institute Plantation Florida 33324-3118 Withdrawn
Retina Vitreous Associates of Florida St. Petersburg Florida 33711-1141 Active, not recruiting
Southeast Retina Center Augusta Georgia 30909-6440 Active, not recruiting
University Retina and Macula Associates, PC Lemont Illinois 60439-7421 Active, not recruiting
Wolfe Eye Clinic West Des Moines Iowa 50266 Withdrawn
Retina Associates of Kentucky Lexington Kentucky 40509-1827 Withdrawn
Maine Eye Center Portland Maine 04101 Active, not recruiting
The Retina Care Center Baltimore Maryland 21209-2219 Active, not recruiting
Wilmer Eye Institute Johns Hopkins University Baltimore Maryland 21287-0005 Active, not recruiting
Retina Group of Washington Chevy Chase Maryland 20815-6956 Withdrawn
Cumberland Valley Retina Consultants PC Hagerstown Maryland 21740 Completed
Associated Retinal Consultants PC Royal Oak Michigan 48073 Active, not recruiting
VitreoRetinal Surgery, PLLC. Minneapolis Minnesota 55435-3004 Active, not recruiting
Midwest Vision Research Foundation Chesterfield Missouri 63017-5065 Completed
Sierra Eye Associates Reno Nevada 89502-1605 Active, not recruiting
Envision Ocular, LLC Bloomfield New Jersey 07003 Active, not recruiting
Seeta Eye Centers Poughkeepsie New York 12603-2416 Active, not recruiting
Western Carolina Retinal Associate PA Asheville North Carolina 28803-2493 Withdrawn
Duke Eye Center Durham North Carolina 27705-4699 Active, not recruiting
Graystone Eye-Hickory - 2415 Century Pl Hickory North Carolina 28602 Recruiting
Fargo Retina Consultants Fargo North Dakota 58047 Active, not recruiting
Cincinnati Eye Institute Blue Ash Ohio 45242-5537 Active, not recruiting
Cleveland Clinic Cleveland Ohio 44195 Active, not recruiting
Tulsa Retina Consultants Tulsa Oklahoma 74114 Withdrawn
Erie Retina Research Erie Pennsylvania 16505 Completed
Mid Atlantic Retina Philadelphia Pennsylvania 19107-5109 Withdrawn
Palmetto Retina Center Florence South Carolina 29501 Withdrawn
Palmetto Retina Center, LLC West Columbia South Carolina 29169-2429 Withdrawn
Charles Retina Institute Germantown Tennessee 38138-2405 Active, not recruiting
Tennessee Retina PC Nashville Tennessee 37203-1596 Active, not recruiting
Panhandle Eye Group LLP Southwest Retina Specialists Amarillo Texas 79106-1835 Completed
Austin Retina Associates Austin Texas 78705-1169 Withdrawn
Austin Clinical Research, LLC Austin Texas 78750-2298 Recruiting
Retina Consultants of Texas Bellaire Texas 77401 Active, not recruiting
Retina Consultants of Texas Schertz Texas 78154 Active, not recruiting
Retina Associates of Utah, PLLC Salt Lake City Utah 84107-6767 Active, not recruiting
Piedmont Eye Center Lynchburg Virginia 24502-4271 Active, not recruiting
Wagner Kapoor Institute Norfolk Virginia 23502-3933 Active, not recruiting
Retina Institute of Virginia Richmond Virginia 23235-1962 Withdrawn
Spokane Eye Clinical Research Spokane Washington 99204-2509 Active, not recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04853251, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 2, 2026 · Synced Oct 18, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04853251 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →