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OpRegen

Phase 2

Geographic Atrophy | Monoclonal antibody | Ophthalmology |Roche Holding AG|Last Updated: Aug 14, 2026

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment60

FDA Designations

No designations recorded

Clinical trial landscape

OpRegen · 2 trials · 2 indications

Phase 2 1Phase 1 1
NCT05626114A Study to Optimize Subretinal Surgical Delivery and to Evaluate Safety and Activity of Opregen in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration (GAlette); Adaptive Optics (AO) Retinal Imaging Substudy in Association With Study GR44251Geographic Atrophy
RECRUITING60 Analytics
PHASE2RECRUITING
A Study to Optimize Subretinal Surgical Delivery and to Evaluate Safety and Activity of Opregen in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration (GAlette); Adaptive Optics (AO) Retinal Imaging Substudy in Association With Study GR44251
Geographic AtrophyUnlock trial analytics

Study Endpoints

Primary Endpoints

Proportion of Participants With Subretinal Surgical Delivery of OpRegen to Target Regions
3 months post-surgery
Incidence and Severity of Procedure-related Adverse Events (AEs) at 3 Months Following Surgery
3 months post-surgery
Percentage of Participants With Treatment Emergent Adverse Events
From study start till 12 months following last subject dosed, plus up to 90 days (up to approximately 6.5 years)

An adverse event is any untoward medical occurrence in a subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with the treatment. An adverse event can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a pharmaceutical product, whether or not considered related to the pharmaceutical product. Preexisting conditions which worsen during a study are also considered as adverse events. The AE's were graded using National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) v 3.0.

Change From Baseline in Intraocular Pressure (IOP)
Baseline, Month 12

Secondary Endpoints

Proportion of Participants With Qualitative Improvement in Retinal Structure, as Determined by Optical Coherence Tomography (OCT) Imaging Within 3 Months Following Surgery
3 months post-surgery
Change From Baseline in Geographic Atrophy (GA) Lesion Area
Baseline, Month 12
Change From Baseline in Visual Acuity
Baseline, Month 12
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
OpRegenEXPERIMENTALOpRegen dose of up to approximately 200,000 cells will be delivered into the subretinal space.

Interventions

NameTypeDescription
OpRegenBIOLOGICALOpRegen dose of up to approximately 200,000 cells will be delivered into the subretinal space.
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Eligibility Criteria

Age Range50 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites17

Inclusion Criteria: * Ability to undergo a vitreoretinal surgical procedure under monitored anesthesia care * Diagnosis of GA secondary to AMD * Best corrected visual acuity (BCVA) score ≥ 29 letters and ≤ 60 letters in the study eye as assessed by Early Treatment Diabetic Retinopathy Study (ETDRS)...

Countries:United StatesIsrael
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Recent Changes (Last 90 Days)

LOWAug 14, 2026NCT05626114lastUpdatePostDate: changed
LOWAug 14, 2026NCT05626114lastUpdatePostDate: changed
LOWJul 15, 2026NCT05626114lastUpdatePostDate: changed
LOWJul 15, 2026NCT05626114lastUpdatePostDate: changed

Frequently asked questions about OpRegen

What is OpRegen used for in geographic atrophy and age-related macular degeneration?

OpRegen is an investigational cell therapy being studied for geographic atrophy and age-related macular degeneration, advanced dry-form conditions that cause progressive vision loss. It is delivered subretinally and is currently in clinical development, not yet approved by the FDA.

Who makes OpRegen?

OpRegen is being developed by Roche Holding AG, traded over the counter as RHHBY. The company is conducting clinical trials to evaluate the safety and activity of OpRegen in patients with geographic atrophy and age-related macular degeneration.

What phase is OpRegen in?

OpRegen is in Phase 1 and Phase 2 clinical trials. The Phase 1 study (NCT02286089) is active but not recruiting, while the Phase 2 study (NCT05626114) is currently recruiting participants. It remains investigational and has not received FDA approval.

What clinical trials is OpRegen in?

OpRegen is being studied in two trials. NCT02286089 is a Phase 1 safety and efficacy study for advanced dry-form age-related macular degeneration. NCT05626114 is a Phase 2 study optimizing subretinal surgical delivery and evaluating safety and activity in geographic atrophy, including an adaptive optics retinal imaging substudy.

How is OpRegen administered?

OpRegen is administered via subretinal injection, a surgical delivery method. The Phase 2 trial (NCT05626114) specifically aims to optimize this subretinal surgical delivery technique in participants with geographic atrophy secondary to age-related macular degeneration.

Is OpRegen the same as any other drug?

OpRegen is a distinct investigational cell therapy for geographic atrophy and age-related macular degeneration. No alternative names have been reported for this asset in the clinical trial information available.