The TIME-2b Study: A Study of AKB-9778 (Razuprotafib), a Novel Tie 2 Activator, in Patients With Non-Proliferative Diabetic Retinopathy (NPDR)
TIME-2b
Phase 2 Double-Masked, Placebo-Controlled Study to Assess the Safety and Efficacy of Subcutaneously Administered AKB-9778 (Razuprotafib)15mg Once Daily or 15mg Twice Daily for 12 Months in Patients With Moderate to Severe Non-Proliferative Diabetic Retinopathy
1 other identifier
interventional
167
1 country
53
Brief Summary
The purpose of this study is to evaluate the safety and efficacy of subcutaneously administered AKB-9778 15mg once daily or 15mg twice daily for 12 months in patients with moderate to severe non-proliferative diabetic retinopathy (NPDR).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started Jun 2017
53 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 9, 2017
CompletedFirst Submitted
Initial submission to the registry
June 22, 2017
CompletedFirst Posted
Study publicly available on registry
June 23, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 9, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
February 9, 2019
CompletedResults Posted
Study results publicly available
June 27, 2023
CompletedJune 27, 2023
June 1, 2023
1.6 years
June 22, 2017
September 22, 2022
June 1, 2023
Conditions
Outcome Measures
Primary Outcomes (1)
Percentage of Subjects With an Improvement in Study Eye Severity of Diabetic Retinopathy (DR) (ETDRS DR Severity Score or DRSS) of ≥ 2 Steps
Change from baseline to Week 48 in Diabetic Retinopathy Severity Scale Score in Study Eye by visit in the modified intent-to-treat population. ETDRS DR severity levels 10-85; ETDRS Steps 1-12
Baseline to Week 48
Secondary Outcomes (7)
Summary of Subjects With a Worsening in the Study Eye DRSS of ≥ 2 Steps at Week 48
Baseline to Week 48
Mean Change From Baseline in DRSS in the Study Eye at Week 48
Week 48
Summary of Subjects With an Improvement or Worsening in the Study Eye DRSS of ≥ 3 Steps at Week 48.
Baseline to Week 48
Subjects With Criterion Step Improvement in DRSS at Week 48/EOT (>=2 Steps Improvement in the Study Eye for Patients With Non-qualified Fellow Eye and >=3 Steps Improvement on the Person Scale for Patients With Qualified Fellow Eyes)
Treatment Period - 12 months (48 weeks)
Subjects With Criterion Step Improvement in DRSS at Week 48/EOT (>=2 Steps Improvement in the Study Eye for Patients With Non-qualified Fellow Eye and >=3 Steps Improvement on the Binocular Scale for Patients With Qualified Fellow Eyes)
Treatment Period - 12 months (48 weeks)
- +2 more secondary outcomes
Study Arms (3)
AKB-9778 15mg Daily
EXPERIMENTALAKB-9778 15 mg (QD); To maintain masking, subjects will receive BID dosing with masked study medication administered as one dose of active and one dose of matching placebo
AKB-9778 15mg Twice Daily
EXPERIMENTALAKB-9778 15 mg (BID)
Placebo Twice Daily
PLACEBO COMPARATORPlacebo Group: SC Phosphate-Buffered-Saline (PBS) (BID)
Interventions
Eligibility Criteria
You may qualify if:
- Adults 18 through 80 years of age (inclusive)
- Subjects with moderate to very severe NPDR (ETDRS Level 43 - 53 inclusive)
- No evidence of central involved diabetic macular edema
- ETDRS best-corrected visual acuity letter score ≥ 70 (Snellen 20/40 or better)
You may not qualify if:
- Ocular disease other than DR that may cause substantial reduction in visual acuity, including iris neovascularization, retinal detachment, visually significant epiretinal membrane, vitreous hemorrhage or fibrosis, ocular inflammation (uveitis), other retinal inflammatory or infectious diseases
- Evidence of neovascularization on clinical examination or imaging
- Hemoglobin A1C (HbA1C) ≥ 12.0% at Screening
- Severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (53)
Arizona Retina and Vitreous Consultants
Phoenix, Arizona, 85021, United States
Retinal Research Institute
Phoenix, Arizona, 85053, United States
Retina Institute of California
Arcadia, California, 91007, United States
California Retina Consultants
Bakersfield, California, 93309, United States
Retina Vitreous Associates Medical Group
Beverly Hills, California, 90211, United States
Retina Consultants of Orange County
Fullerton, California, 92835, United States
Ophthalmic Clinical Trials San Diego
Oceanside, California, 92056, United States
Stanford
Palo Alto, California, 94303, United States
California Retina Consultants
Santa Barbara, California, 93103, United States
California Retina Consultants
Santa Maria, California, 93454, United States
Retina Consultants of Southern Colorado
Colorado Springs, Colorado, 80909, United States
Colorado Retina Associates
Golden, Colorado, 80401, United States
Rand Eye Institute
Deerfield Beach, Florida, 33064, United States
Center for Retina and Macular Disease
Lakeland, Florida, 33805, United States
Retina Specialty Institute
Pensacola, Florida, 32503, United States
Southeast Retina Center
Augusta, Georgia, 30909, United States
Georgia Retina
Marietta, Georgia, 30060, United States
University Retina
Oak Forest, Illinois, 60452, United States
Illinois Retina Associates
Oak Park, Illinois, 60304, United States
Midwest Eye Institute
Indianapolis, Indiana, 46290, United States
Wolfe Eye Clinic
West Des Moines, Iowa, 50266, United States
Central Plains Eye MDs
Wichita, Kansas, 67226, United States
Retina Associates of Kentucky
Lexington, Kentucky, 40509, United States
Johns Hopkins University School of Medicine
Baltimore, Maryland, 212876, United States
Cumberland Valley Retina Consultants PC
Hagerstown, Maryland, 21740, United States
Opthalmic Consultants of Boston
Boston, Massachusetts, 02114, United States
Specialty Eye Institute
Jackson, Michigan, 49202, United States
Sierra Eye Associates
Reno, Nevada, 89502, United States
Retina Center of New Jersey
Bloomfield, New Jersey, 07003, United States
New Jersey Retina
Edison, New Jersey, 08820, United States
Retinal and Ophthalmic Consultants P.C.
Northfield, New Jersey, 08225, United States
Eye Associates of New Mexico
Albuquerque, New Mexico, 87109, United States
Island Retina
Shirley, New York, 11967, United States
Retina Vitreous Surgeons of Central New York
Syracuse, New York, 13224, United States
Retina Associates of Cleveland
Beachwood, Ohio, 44122, United States
Cincinnati Eye Institute
Cincinnati, Ohio, 45242, United States
Retina Associates of Cleveland
Middleburg Heights, Ohio, 44130, United States
Retina Associates of Cleveland
Youngstown, Ohio, 44505, United States
Retina Vitreous Center
Edmond, Oklahoma, 73013, United States
Mid-Atlantic Retina
Bethlehem, Pennsylvania, 18017, United States
Tennessee Retina
Nashville, Tennessee, 37203, United States
Retina Research Institute of Texas
Abilene, Texas, 79606, United States
Texas Retina Associates
Arlington, Texas, 76012, United States
Austin Retina Associates
Austin, Texas, 78705, United States
Retina Research Center
Austin, Texas, 78705, United States
Texas Retina Associates
Fort Worth, Texas, 76104, United States
Valley Retina Institute
Harlingen, Texas, 78550, United States
Retina and Vitreous of Texas
Houston, Texas, 77025, United States
Retina Consultants of Houston
Houston, Texas, 77030, United States
Valley Retina Institute
McAllen, Texas, 78503, United States
Medical Center Ophthalmology Associates
San Antonio, Texas, 78240, United States
Retina Consultants of Houston
The Woodlands, Texas, 77384, United States
Spokane Eye Clinical Research
Spokane, Washington, 99204, United States
MeSH Terms
Interventions
Results Point of Contact
- Title
- David Bauer
- Organization
- EyePoint Pharmaceuticals, Inc
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 22, 2017
First Posted
June 23, 2017
Study Start
June 9, 2017
Primary Completion
January 9, 2019
Study Completion
February 9, 2019
Last Updated
June 27, 2023
Results First Posted
June 27, 2023
Record last verified: 2023-06
Data Sharing
- IPD Sharing
- Will not share