Clinical trial registry record

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

A registered PHASE4 study indexed because it matched monitored longevity research terms. Registry status: Recruiting. 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 Recruiting.
Evidence
Registered phase 4 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 2, 2026.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT04853251
Last registry update
September 2, 2026
Status
Recruiting
Phase
Phase 4
Sponsor
Genentech, Inc.
Enrollment
188
Countries
United States
Match confidence
100%
Source feed
ClinicalTrials.gov
Automated source synopsis

A registered PHASE4 study indexed because it matched monitored longevity research terms. Registry status: Recruiting. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase 4
Study design
NA · SINGLE GROUP · TREATMENT · NONE
Evidence population
Human clinical study registration
Participants
188
Population
ALL · 50 Years
Duration
2021-12-14 to 2027-08-31
Intervention
PDS Implant With Ranibizumab 100 mg/ml; LUCENTIS (Ranibizumab Injection)
Comparator
Not reported
Outcomes measured
Percent Change in Corneal Endothelial Cell Density (ECD) From Baseline at Week 48 in the Study Eye as Compared With the…; Percent Change in Corneal ECD From Baseline at Week 24 in the Study Eye as Compared With the Fellow Eye — Baseline, Wee…; Percent Change in the Coefficient of Variation (CV) of Corneal Endothelial Cell Area From Baseline at Weeks 24 and 48 i…; Percent Change in Hexagonal Cells (HEX) From Baseline at Weeks 24 and 48 in the Study Eye as Compared With the Fellow E…; Percentage of Participants With Ocular Serious Adverse Events (SAEs) and Severity of SAEs — Day 1 up to approximately W…; Percentage of Participants With Ocular Adverse Events of Special Interests (AESIs) and Severity of Ocular AESIs — Day 1…; Duration of Ocular AESIs — Day 1 to Week 52; Percentage of Participants With Ocular AESIs During the Postoperative Period — Baseline up to 37 days of initial implan…; Percentage of Participants With Ocular AESIs During the Intermediate Postoperative Period — 38 to 93 days after implant…; Percentage of Participants With Ocular AESIs During the Follow-up Period — Week 52; Percentage of Participants With Adverse Device Effects (ADEs) — Day 1 to Week 52; Number of Participants with Anticipated Serious Adverse Device Effects (ASADEs) and Severity of ASADEs — Day 1 to Week…; Duration of ASADEs — Day 1 to Week 52
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 4A 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 · 100% 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 · 100%Title contains controlled term: age-related macular degeneration. Source terminology contains: age-related macular degeneration. Title supplies longevity context: age-related. Study type is explicitly identified as INTERVENTIONAL.

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