NCT03197870

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
167

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Jun 2017

Geographic Reach
1 country

53 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 9, 2017

Completed
13 days until next milestone

First Submitted

Initial submission to the registry

June 22, 2017

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 23, 2017

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 9, 2019

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

February 9, 2019

Completed
4.4 years until next milestone

Results Posted

Study results publicly available

June 27, 2023

Completed
Last Updated

June 27, 2023

Status Verified

June 1, 2023

Enrollment Period

1.6 years

First QC Date

June 22, 2017

Results QC Date

September 22, 2022

Last Update Submit

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

EXPERIMENTAL

AKB-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

Drug: AKB-9778Drug: Placebo

AKB-9778 15mg Twice Daily

EXPERIMENTAL

AKB-9778 15 mg (BID)

Drug: AKB-9778

Placebo Twice Daily

PLACEBO COMPARATOR

Placebo Group: SC Phosphate-Buffered-Saline (PBS) (BID)

Drug: Placebo

Interventions

Subcutaneous AKB-9778 15mg

AKB-9778 15mg DailyAKB-9778 15mg Twice Daily

Subcutaneous Placebo

AKB-9778 15mg DailyPlacebo Twice Daily

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Location

Retinal Research Institute

Phoenix, Arizona, 85053, United States

Location

Retina Institute of California

Arcadia, California, 91007, United States

Location

California Retina Consultants

Bakersfield, California, 93309, United States

Location

Retina Vitreous Associates Medical Group

Beverly Hills, California, 90211, United States

Location

Retina Consultants of Orange County

Fullerton, California, 92835, United States

Location

Ophthalmic Clinical Trials San Diego

Oceanside, California, 92056, United States

Location

Stanford

Palo Alto, California, 94303, United States

Location

California Retina Consultants

Santa Barbara, California, 93103, United States

Location

California Retina Consultants

Santa Maria, California, 93454, United States

Location

Retina Consultants of Southern Colorado

Colorado Springs, Colorado, 80909, United States

Location

Colorado Retina Associates

Golden, Colorado, 80401, United States

Location

Rand Eye Institute

Deerfield Beach, Florida, 33064, United States

Location

Center for Retina and Macular Disease

Lakeland, Florida, 33805, United States

Location

Retina Specialty Institute

Pensacola, Florida, 32503, United States

Location

Southeast Retina Center

Augusta, Georgia, 30909, United States

Location

Georgia Retina

Marietta, Georgia, 30060, United States

Location

University Retina

Oak Forest, Illinois, 60452, United States

Location

Illinois Retina Associates

Oak Park, Illinois, 60304, United States

Location

Midwest Eye Institute

Indianapolis, Indiana, 46290, United States

Location

Wolfe Eye Clinic

West Des Moines, Iowa, 50266, United States

Location

Central Plains Eye MDs

Wichita, Kansas, 67226, United States

Location

Retina Associates of Kentucky

Lexington, Kentucky, 40509, United States

Location

Johns Hopkins University School of Medicine

Baltimore, Maryland, 212876, United States

Location

Cumberland Valley Retina Consultants PC

Hagerstown, Maryland, 21740, United States

Location

Opthalmic Consultants of Boston

Boston, Massachusetts, 02114, United States

Location

Specialty Eye Institute

Jackson, Michigan, 49202, United States

Location

Sierra Eye Associates

Reno, Nevada, 89502, United States

Location

Retina Center of New Jersey

Bloomfield, New Jersey, 07003, United States

Location

New Jersey Retina

Edison, New Jersey, 08820, United States

Location

Retinal and Ophthalmic Consultants P.C.

Northfield, New Jersey, 08225, United States

Location

Eye Associates of New Mexico

Albuquerque, New Mexico, 87109, United States

Location

Island Retina

Shirley, New York, 11967, United States

Location

Retina Vitreous Surgeons of Central New York

Syracuse, New York, 13224, United States

Location

Retina Associates of Cleveland

Beachwood, Ohio, 44122, United States

Location

Cincinnati Eye Institute

Cincinnati, Ohio, 45242, United States

Location

Retina Associates of Cleveland

Middleburg Heights, Ohio, 44130, United States

Location

Retina Associates of Cleveland

Youngstown, Ohio, 44505, United States

Location

Retina Vitreous Center

Edmond, Oklahoma, 73013, United States

Location

Mid-Atlantic Retina

Bethlehem, Pennsylvania, 18017, United States

Location

Tennessee Retina

Nashville, Tennessee, 37203, United States

Location

Retina Research Institute of Texas

Abilene, Texas, 79606, United States

Location

Texas Retina Associates

Arlington, Texas, 76012, United States

Location

Austin Retina Associates

Austin, Texas, 78705, United States

Location

Retina Research Center

Austin, Texas, 78705, United States

Location

Texas Retina Associates

Fort Worth, Texas, 76104, United States

Location

Valley Retina Institute

Harlingen, Texas, 78550, United States

Location

Retina and Vitreous of Texas

Houston, Texas, 77025, United States

Location

Retina Consultants of Houston

Houston, Texas, 77030, United States

Location

Valley Retina Institute

McAllen, Texas, 78503, United States

Location

Medical Center Ophthalmology Associates

San Antonio, Texas, 78240, United States

Location

Retina Consultants of Houston

The Woodlands, Texas, 77384, United States

Location

Spokane Eye Clinical Research

Spokane, Washington, 99204, United States

Location

MeSH Terms

Interventions

AKB-9778

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

Locations