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Safety and Efficacy Study of OpRegen for Treatment of Advanced Dry-Form Age-Related Macular Degeneration

Phase I/IIa Dose Escalation Safety and Efficacy Study of Human Embryonic Stem Cell-Derived Retinal Pigment Epithelium Cells Transplanted Subretinally in Patients With Advanced Dry-Form Age-Related Macular Degeneration (Geographic Atrophy)

Status
Active, not recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02286089
Enrollment
24
Registered
2014-11-07
Start date
2015-04-01
Completion date
2031-01-31
Last updated
2026-07-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Age-Related Macular Degeneration

Brief summary

The main objective of the study is evaluation of the safety and tolerability of OpRegen - Human embryonic stem cell-derived retinal pigment epithelial (RPE) cells. The study will also include initial exploration of the ability of transplanted OpRegen cells to engraft, survive, and moderate disease progression.

Detailed description

OpRegen® is a cell-based product composed of retinal pigment epithelial (RPE) cells, derived from human embryonic stem cells (hESC) and administered as a cell suspension either in ophthalmic Balanced Salt Solution Plus (BSS Plus) or in CryoStor® 5 (Thaw-and-Inject, TAI). This is a Phase I/IIa, dose-escalation, evaluating safety and tolerability of OpRegen transplantation to patients with progressive dry-AMD. The study includes also initial exploration of efficacy. A total of approximately 24 subjects will be enrolled. The subjects should be 50 years of age and older, with non-neovascular (dry) AMD, who have funduscopic findings of GA in the macula, with absence of additional concomitant ocular disorders. The subjects will be divided into four cohorts, according to their best corrected visual acuity (BCVA) and administered OpRegen dose.

Interventions

BIOLOGICALOpRegen

Targeted dose of 50,000 - 200,000 cells will be delivered into the subretinal space.

Sponsors

Hoffmann-La Roche
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
50 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Age 50 and older; * Diagnosis of dry (non-neovascular) age related macular degeneration in both eyes; * Funduscopic findings of dry age-related macular degeneration (AMD) with progressive geographic atrophy in the macula; * Best corrected central visual acuity equal or less than 20/200 in cohorts 1-3 and 20/64-20/250 in cohort 4 in the study eye by ETDRS vision testing; * Vision in the non-operated eye must be better than or equal to that in the operated eye; * Subjects with sufficiently good health to allow participation in all study-related procedures and complete the study follow up period (based on medical records); * Ability to undergo a vitreoretinal surgical procedure under monitored anesthesia care; * Blood counts, blood chemistry, coagulation and urinalysis without abnormal significance; * Negative for tuberculosis (TB) (cohort 4), human immunodeficiency virus (HIV), hepatitis B (HBC), and hepatitis C virus (HCV), negative for cytomegalovirus (CMV) Immunoglobulin (IgM) and Epstein-Barr Virus (EBV) IgM or asymptomatic in the opinion of the investigator (cohort 4); * No history of malignancy (other than a non-melanoma skin cancer). For cancers in remission for more then 5 years enrollment is allowed with concurred documented approval of principal investigator and oncologist prior to enrollment; * Willing to defer all future blood and tissue donation; * Able to understand study procedures and willing to sign informed consent.

Exclusion criteria

* Evidence of neovascular AMD by history, as well as by clinical exam, fluorescein angiography (FA), or ocular coherence tomography (OCT) at baseline in either eye; * History or presence of diabetic retinopathy, vascular occlusions, uveitis, Coat's disease, uncontrolled glaucoma, cataract or media opacity preventing posterior pole visualization or any significant ocular disease other than AMD that has compromised or could compromise vision in the study eye and confound analysis of the primary outcome; * History of retinal detachment repair in the study eye; * Axial myopia greater than -6 diopters; * At least 2 months following cataract removal in the study eye and Yttrium Aluminum Garnet (YAG) laser capsulotomy in the study eye in the past 4 weeks and any other ocular surgery in the study eye in the past 3 months prior to implantation; * History of cognitive impairments or dementia; * Contraindication for systemic immunosuppression; * History of any condition other than AMD associated with choroidal neovascularization in the study eye (e.g. pathologic myopia or presumed ocular histoplasmosis); * Any type of systemic disease or its treatment, in the opinion of the Investigator, including any medical condition (controlled or uncontrolled) that could be expected to progress, recur, or change to such an extent that it may bias the assessment of the clinical status of the participant to a significant degree or put the patient at special risk. * Pregnancy or breastfeeding; * Current participation in another clinical study. Past participation (within 6 months) in any clinical study of a drug administered systemically or to the eye. * Currently receiving aspirin, aspirin containing products and/or any other coagulation modifying drugs which cannot be discontinued 7 days prior to surgery; * History of cancer (other than a non-melanoma skin cancer). For cancers in remission more than five years ago, enrollment is allowed with concurred documented approval of principal investigator and oncologist prior to enrollment.

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants With Treatment Emergent Adverse EventsFrom 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

MeasureTime frameDescription
Change From Baseline in Geographic Atrophy (GA) Lesion AreaBaseline, Month 12The GA lesion area was based on available Fundus Autofluorescence (FAF) imaging data by a central reading center.
Change From Baseline in Visual AcuityBaseline, Month 12Change from baseline in visual acuity was measured by retro illuminated ETDRS chart from 4 meters distance. Visual acuity was reported as the number of letters read correctly.
Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeBaseline, Month 12The NEI VFQ-25 is a 25 item patient-reported questionnaire. The composite score ranges from 0-100 with the higher score indicating better visual function.

Countries

Israel, United States

Contacts

STUDY_DIRECTORClinical Trials

Hoffmann-La Roche

Participant flow

Pre-assignment details

The enrollment into the study was staggered with 4 week intervals between the first 3 cohorts to allow for data safety monitory board (DSMB) review. Accumulated data of participants was reviewed by the DSMB before continuation to Cohort 4. All four cohorts were then followed in parallel.

Participants by arm

ArmCount
Cohort 1
Participants in cohort 1 with Best Corrected Visual Acuity (BCVA) of 20/200 or less received a single subretinal delivery of the low dose of OpRegen on Day 0.
3
Cohort 2
Participants in cohort 2 with BCVA of 20/200 or less received a single subretinal delivery of the high dose of OpRegen on Day 0.
3
Cohort 3
Additional participants in cohort 3 with BCVA of 20/200 or less received a single subretinal delivery of the high dose of OpRegen on Day 0.
6
Cohort 4
Participants in cohort 4 with BCVA of 20/64 to 20/250 received a single subretinal delivery of the high dose of OpRegen on Day 0.
12
Total24

Baseline characteristics

CharacteristicCohort 1Cohort 2Cohort 3Cohort 4Total
Age, Continuous77.4 Years
STANDARD_DEVIATION 2.7
74.4 Years
STANDARD_DEVIATION 8.7
80.4 Years
STANDARD_DEVIATION 9.9
78.1 Years
STANDARD_DEVIATION 8.2
76.9 Years
STANDARD_DEVIATION 8
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants0 Participants0 Participants0 Participants0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
0 Participants0 Participants0 Participants0 Participants0 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
3 Participants3 Participants6 Participants12 Participants24 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
3 Participants3 Participants6 Participants12 Participants24 Participants
Sex: Female, Male
Female
2 Participants3 Participants2 Participants6 Participants13 Participants
Sex: Female, Male
Male
1 Participants0 Participants4 Participants6 Participants11 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
0 / 30 / 30 / 60 / 12
other
Total, other adverse events
3 / 33 / 36 / 612 / 12
serious
Total, serious adverse events
1 / 32 / 32 / 64 / 12

Outcome results

Primary

Change From Baseline in Intraocular Pressure (IOP)

Time frame: Baseline, Month 12

Population: Safety Population included all participants who received OpRegen in the study.

ArmMeasureGroupValue (MEAN)Dispersion
Cohort 1Change From Baseline in Intraocular Pressure (IOP)Baseline13.3 mmHgStandard Error 2.3
Cohort 1Change From Baseline in Intraocular Pressure (IOP)Change from Baseline at Month 121.0 mmHgStandard Error 2.6
Cohort 2Change From Baseline in Intraocular Pressure (IOP)Change from Baseline at Month 121.0 mmHgStandard Error 1.7
Cohort 2Change From Baseline in Intraocular Pressure (IOP)Baseline14.0 mmHgStandard Error 0
Cohort 3Change From Baseline in Intraocular Pressure (IOP)Baseline13.7 mmHgStandard Error 3.7
Cohort 3Change From Baseline in Intraocular Pressure (IOP)Change from Baseline at Month 12-0.4 mmHgStandard Error 2.5
Cohort 4Change From Baseline in Intraocular Pressure (IOP)Change from Baseline at Month 12-0.6 mmHgStandard Error 1.4
Cohort 4Change From Baseline in Intraocular Pressure (IOP)Baseline14.6 mmHgStandard Error 3.1
Primary

Percentage of Participants With Treatment Emergent Adverse Events

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.

Time frame: From study start till 12 months following last subject dosed, plus up to 90 days (up to approximately 6.5 years)

Population: Safety Population included all participants who received OpRegen in the study.

ArmMeasureGroupValue (NUMBER)
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsInvestigations100 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsInjury, poisoning and procedural complications66.7 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsEye disorders100 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsSkin and subcutaneous tissue disorders33.3 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsInfections and infestations100 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsGeneral disorders and administration site conditions66.7 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsGastrointestinal disorders66.7 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsSurgical and medical procedures100 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsBlood and lymphatic system disorders33.3 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsRespiratory, thoracic and mediastinal disorders66.7 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsPsychiatric disorders0 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsNervous system disorders0 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsCardiac disorders33.3 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsRenal and urinary disorders0 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsNeoplasms benign, malignant and unspecified (incl cysts and polyps)0 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsMusculoskeletal and connective tissue disorders66.7 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsEar and labyrinth disorders66.7 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsProduct issues66.7 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsMetabolism and nutrition disorders0 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsEndocrine disorders0 percentage of participants
Cohort 1Percentage of Participants With Treatment Emergent Adverse EventsVascular disorders0 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsSurgical and medical procedures66.7 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsBlood and lymphatic system disorders33.3 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsProduct issues0 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsCardiac disorders0 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsEar and labyrinth disorders33.3 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsEndocrine disorders0 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsEye disorders100 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsGastrointestinal disorders66.7 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsGeneral disorders and administration site conditions100 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsInfections and infestations66.7 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsInjury, poisoning and procedural complications100 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsInvestigations66.7 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsMetabolism and nutrition disorders0 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsMusculoskeletal and connective tissue disorders66.7 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsNeoplasms benign, malignant and unspecified (incl cysts and polyps)33.3 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsNervous system disorders33.3 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsPsychiatric disorders0 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsSkin and subcutaneous tissue disorders33.3 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsVascular disorders0 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsRenal and urinary disorders0 percentage of participants
Cohort 2Percentage of Participants With Treatment Emergent Adverse EventsRespiratory, thoracic and mediastinal disorders66.7 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsSkin and subcutaneous tissue disorders33.3 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsSurgical and medical procedures0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsRespiratory, thoracic and mediastinal disorders16.7 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsNervous system disorders50.0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsNeoplasms benign, malignant and unspecified (incl cysts and polyps)50.0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsMetabolism and nutrition disorders16.7 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsGeneral disorders and administration site conditions50.0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsRenal and urinary disorders33.3 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsGastrointestinal disorders0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsMusculoskeletal and connective tissue disorders0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsBlood and lymphatic system disorders0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsVascular disorders16.7 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsEye disorders100 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsEar and labyrinth disorders16.7 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsInfections and infestations50.0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsInvestigations33.3 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsPsychiatric disorders0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsInjury, poisoning and procedural complications50.0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsCardiac disorders0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsEndocrine disorders0 percentage of participants
Cohort 3Percentage of Participants With Treatment Emergent Adverse EventsProduct issues0 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsEndocrine disorders8.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsInvestigations75.0 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsProduct issues0 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsMetabolism and nutrition disorders33.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsCardiac disorders8.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsMusculoskeletal and connective tissue disorders33.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsNeoplasms benign, malignant and unspecified (incl cysts and polyps)25.0 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsBlood and lymphatic system disorders8.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsNervous system disorders33.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsRenal and urinary disorders0 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsPsychiatric disorders8.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsSurgical and medical procedures16.7 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsEar and labyrinth disorders8.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsSkin and subcutaneous tissue disorders8.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsInfections and infestations33.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsRespiratory, thoracic and mediastinal disorders0 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsGastrointestinal disorders33.3 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsEye disorders100 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsVascular disorders16.7 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsGeneral disorders and administration site conditions16.7 percentage of participants
Cohort 4Percentage of Participants With Treatment Emergent Adverse EventsInjury, poisoning and procedural complications16.7 percentage of participants
Secondary

Change From Baseline in Geographic Atrophy (GA) Lesion Area

The GA lesion area was based on available Fundus Autofluorescence (FAF) imaging data by a central reading center.

Time frame: Baseline, Month 12

Population: Efficacy Population included all participants who received OpRegen in the study and for whom imaging data were available.

ArmMeasureGroupValue (MEAN)Dispersion
Cohort 1Change From Baseline in Geographic Atrophy (GA) Lesion AreaChange from Baseline at Month 122.3 mm^2Standard Deviation 1.9
Cohort 1Change From Baseline in Geographic Atrophy (GA) Lesion AreaBaseline13.5 mm^2Standard Deviation 6.4
Cohort 2Change From Baseline in Geographic Atrophy (GA) Lesion AreaChange from Baseline at Month 121.6 mm^2
Cohort 2Change From Baseline in Geographic Atrophy (GA) Lesion AreaBaseline18.5 mm^2Standard Deviation 10.6
Cohort 3Change From Baseline in Geographic Atrophy (GA) Lesion AreaBaseline9.4 mm^2Standard Deviation 2
Cohort 3Change From Baseline in Geographic Atrophy (GA) Lesion AreaChange from Baseline at Month 122.5 mm^2Standard Deviation 4
Cohort 4Change From Baseline in Geographic Atrophy (GA) Lesion AreaChange from Baseline at Month 121.8 mm^2Standard Deviation 0.8
Cohort 4Change From Baseline in Geographic Atrophy (GA) Lesion AreaBaseline7.4 mm^2Standard Deviation 2.9
Secondary

Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of Life

The NEI VFQ-25 is a 25 item patient-reported questionnaire. The composite score ranges from 0-100 with the higher score indicating better visual function.

Time frame: Baseline, Month 12

Population: Efficacy Population included all participants who received OpRegen in the study.

ArmMeasureGroupValue (MEAN)Dispersion
Cohort 1Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeBaseline50.3 score on a scaleStandard Deviation 15.3
Cohort 1Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeChange from Baseline at Month 125.1 score on a scaleStandard Deviation 10.8
Cohort 2Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeBaseline42.9 score on a scaleStandard Deviation 6
Cohort 2Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeChange from Baseline at Month 12-5.7 score on a scaleStandard Deviation 17.6
Cohort 3Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeBaseline46.9 score on a scaleStandard Deviation 18.8
Cohort 3Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeChange from Baseline at Month 123.1 score on a scaleStandard Deviation 18.2
Cohort 4Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeChange from Baseline at Month 123.7 score on a scaleStandard Deviation 11.4
Cohort 4Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Quality of LifeBaseline62.2 score on a scaleStandard Deviation 13.8
Secondary

Change From Baseline in Visual Acuity

Change from baseline in visual acuity was measured by retro illuminated ETDRS chart from 4 meters distance. Visual acuity was reported as the number of letters read correctly.

Time frame: Baseline, Month 12

Population: Efficacy Population included all participants who received OpRegen in the study.

ArmMeasureGroupValue (MEAN)Dispersion
Cohort 1Change From Baseline in Visual AcuityBaseline20.0 number of lettersStandard Deviation 18
Cohort 1Change From Baseline in Visual AcuityChange from Baseline at Month 1215.7 number of lettersStandard Deviation 34.2
Cohort 2Change From Baseline in Visual AcuityChange from Baseline at Month 123.0 number of lettersStandard Deviation 8.7
Cohort 2Change From Baseline in Visual AcuityBaseline14.3 number of lettersStandard Deviation 7.2
Cohort 3Change From Baseline in Visual AcuityBaseline29.8 number of lettersStandard Deviation 6.8
Cohort 3Change From Baseline in Visual AcuityChange from Baseline at Month 12-1.4 number of lettersStandard Deviation 17.8
Cohort 4Change From Baseline in Visual AcuityBaseline44.8 number of lettersStandard Deviation 7.5
Cohort 4Change From Baseline in Visual AcuityChange from Baseline at Month 127.6 number of lettersStandard Deviation 8.7

Source: ClinicalTrials.gov · Data processed: Jul 28, 2026