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The trial is taking place at:
C

California Retina Consultants | Bakersfield, CA

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Assess the Efficacy and Safety of Repeat Intravitreal Injections of Foselutoclax (UBX1325) in Patients With DME (ASPIRE)

U

Unity Biotechnology

Status and phase

Enrolling
Phase 2

Conditions

Edema
Diabetic Macular Edema
Retinal Degeneration
Diabetes Mellitus
Macular Edema
Retinal Disease
Eye Diseases
Retinal Diseases
Diabetic Retinopathy

Treatments

Drug: foselutoclax
Drug: Aflibercept

Study type

Interventional

Funder types

Industry

Identifiers

NCT06011798
UBX1325-04

Details and patient eligibility

About

The goal of this clinical trial is to assess the efficacy and safety of multiple doses of foselutoclax (UBX1325) in patients with Diabetic Macular Edema. The main questions the study aims to answer are:

  • Assess the efficacy of foselutoclax compared to aflibercept
  • Assess the safety and tolerability of foselutoclax

Full description

This study is intended to assess the efficacy and safety of foselutoclax, a phosphate pro-drug, and its active parent molecule (UBX0601, a BCL-xL inhibitor) following repeat intravitreal (IVT) injections of foselutoclax in patients with Diabetic Macular Edema (DME).

Approximately 50 patients will be enrolled and randomized 1:1 into either the foselutoclax arm,10 μg given 8 weeks apart, or the control arm of aflibercept, 2 mg every 8 weeks in order to assess the primary objective. All patients will be followed for approximately 36 weeks.

The injector will be unmasked but the evaluator will remain masked throughout the study.

This study will enroll participants ≥18 years of age with active DME disease despite treatment, with best corrected visual acuity (BCVA) between 70 to 30 Early Treatment Diabetic Retinopathy Study (ETDRS) letters (equivalent to 20/40 to 20/250 on the Snellen chart). Once patients meet inclusion/exclusion criteria, patients will receive 3 run-in injections of aflibercept approximately 4 weeks apart, with the last aflibercept injection 4-6 weeks prior to Day 1.

Enrollment

50 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients aged ≥18 years.
  • Patients with nonproliferative DR and DME
  • Center-involved DME with Central Subfield Thickness (CST) ≥325-900 μm
  • BCVA in the SE (most affected) of 70 to 30 ETDRS letters (equivalent to 20/40 to 20/250 on the Snellen chart)

Exclusion criteria

  • Concurrent disease in the study eye (SE) or structural damage, other than DME, that could compromise BCVA, prevent BCVA improvement, require medical or surgical intervention during the study period, confound interpretation of the results, or interfere with assessment of toxicity or Color Fundus Photography (CFP) in the SE.
  • Significant media opacities, including cataract, or posterior capsule opacification, which might interfere with VA, assessment of toxicity, or fundus imaging in either eye.
  • Any medical condition that is uncontrolled and may prevent participation in this study, as determined by the Investigator or disqualify individuals from enrollment.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

50 participants in 2 patient groups

Anti-VEGF control arm
Active Comparator group
Description:
Prior to randomization, participants will receive 3 IVT injections of aflibercept over 4-week intervals. Upon randomization, participants will receive 2 mg aflibercept (50 μl of 40 μg/μl solution) IVT on Day 1, Weeks 8, and 16. A sham procedure will also be administered on Day 1.
Treatment:
Drug: Aflibercept
foselutoclax arm
Experimental group
Description:
Prior to randomization, participants will receive 3 IVT injections of aflibercept over 4-week intervals. Upon randomization, participants will receive 10 μg foselutoclax (50 μl of 0.2 μg/μl solution) IVT on Day 1 and Weeks 8 and 16. 2 mg aflibercept (50 μl of 40 μg/μl solution) will also be administered on Day 1.
Treatment:
Drug: Aflibercept
Drug: foselutoclax

Trial contacts and locations

21

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Central trial contact

Sharon Klier, MD, MPH; Clinical Operations

Data sourced from clinicaltrials.gov

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