Treatment for Completers of the Study B7A-MC-MBCM

Chromaderm, Inc.203 enrolled

Overview

To provide ruboxistaurin treatment to patients who completed the B7A-MC-MBCM study (NCT00604383), and who are felt by the investigator to have the potential to benefit from the ruboxistaurin treatment. Patients must be off study drug for 6 to 18 months from completion of B7A-MC-MBCM before beginning B7A-MC-MBDV. Additional data will be gathered to determine the long-term safety and effect of ruboxistaurin on vision.

Study Type

INTERVENTIONAL

Allocation

Purpose

TREATMENT

Masking

NONE

Enrollment

203

Conditions

Diabetic Retinopathy

Interventions

RuboxistaurinDRUG

32-milligram (mg) tablet, orally, once daily (QD) for up to 2 years.

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Patients that completed Month 36 (Visit 15) of the study B7A-MC-MBCM, and the investigator believes he/she would benefit from ruboxistaurin treatment. Exclusion Criteria: * Patients that discontinued from the study B7A-MC-MBCM and/or the investigator does not believe he/she would benefit from ruboxistaurin treatment.

Locations (29)

Outcomes

Primary Outcomes

Sustained Moderate Visual Loss (SMVL)

The number of participants who experienced SMVL in at least 1 diabetic retinopathy (DR) study eye. SMVL was a ≥15-letter decrease from baseline in best-corrected Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity (VA) that was sustained for the last 6 months of the study. Best-corrected ETDRS VA was measured at 4 meters (m) using an eye chart with 5 letters per row of decreasing letter size in each successive row. Participants read the chart from the top down until reaching a row where ≥3 letters in the row could not be read correctly. If \<20 letters were read correctly at 4 m, the chart was re-read at 1 m. The best-corrected ETDRS VA score was the total number of letters read correctly per eye at 4 m, plus a correction factor of 30 if ≥20 letters were read correctly at 4 m, plus the total number of letters read correctly at 1 m, if assessed. Best-corrected ETDRS VA scores ranged from 0 (no letters read correctly) to 100 (all letters read correctly).

Time frame: Baseline, 18 months up to 24 months

Secondary Outcomes

Vision Loss

The number of participants whose best-corrected Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity (VA) in at least 1 diabetic retinopathy (DR) study eye decreased by 15-letters or less from the conclusion of Study MBCM to the start of Study MBDV, 6 to 18 months later. Best-corrected ETDRS VA was measured at 4 meters (m) using an eye chart with 5 letters per row of decreasing letter size in each successive row. Participants read the chart from the top down until reaching a row where ≥3 letters in the row could not be read correctly. If \<20 letters were read correctly at 4 m, the chart was re-read at 1 m. The best-corrected ETDRS VA score was the total number of letters read correctly per eye at 4 m, plus a correction factor of 30 if ≥20 letters were read correctly at 4 m, plus the total number of letters read correctly at 1 m, if assessed. Best-corrected ETDRS VA scores ranged from 0 (no letters read correctly) to 100 (all letters read correctly).

Time frame: End of Study MBCM to the beginning of Study MBDV, approximately 6 to 18 months

Sustained Moderate Vision Loss (SMVL), Long Term

Data from ClinicalTrials.gov

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Mesa, Arizona, United States

Phoenix, Arizona, United States

Huntington Beach, California, United States

Orange, California, United States

Sacramento, California, United States

Hamden, Connecticut, United States

Newark, Delaware, United States

Tampa, Florida, United States

Honolulu, Hawaii, United States

Wheaton, Illinois, United States

...and 19 more locations

The number of participants who experienced SMVL, long term, in at least 1 diabetic retinopathy (DR) study eye. Long term SMVL was a ≥15-letter decrease from Study MBCM baseline in best-corrected Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity (VA) that was sustained for the last 6 months of Study MBDV. VA was measured at 4 meters (m) using an eye chart with 5 letters per row of decreasing letter size in each successive row. Participants read the chart from the top down until reaching a row where ≥3 letters in the row could not be read correctly. If \<20 letters were read correctly at 4 m, the chart was re-read at 1 m. The best-corrected ETDRS VA score was the total number of letters read correctly per eye at 4 m, plus a correction factor of 30 if ≥20 letters were read correctly at 4 m, plus the total number of letters read correctly at 1 m, if assessed. Best-corrected ETDRS VA scores ranged from 0 (no letters read correctly) to 100 (all letters read correctly).

Number of Participants With a Modified Sustained Moderate Vision Loss (mSMVL) Event by Time Interval

An mSMVL event was defined as a ≥15-letter decrease from Study MBDV baseline in best-corrected Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity (VA) during any 6-month period, not just the last 6 months of the study. An mSMVL event was the first occurrence of an mSMVL in a participant, and the time at which the mSMVL began was used as the time of the event for the analysis. VA was measured at 4 meters (m) using an eye chart with 5 letters per row. Participants read the chart from the top down until reaching a row where ≥3 letters in the row could not be read correctly. If \<20 letters were read correctly at 4 m, the chart was re-read at 1 m. The best-corrected ETDRS VA score was the total number of letters read correctly per eye at 4 m, plus a correction factor of 30 if ≥20 letters were read correctly at 4 m, plus the total number of letters read correctly at 1 m, if assessed.

Time frame: Baseline up to 6 months, 6 months up to 12 months, 12 months up to 18 months, 18 months up to 24 months, and 24 months up to 30 months

Visual Acuity

Best-corrected Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity (VA) was measured at 4 meters (m) using an eye chart with 5 letters per row of decreasing letter size in each successive row. Participants read the chart from the top down until reaching a row where ≥3 letters in the row could not be read correctly. If \<20 letters were read correctly at 4 m, the chart was re-read at 1 m. The best-corrected ETDRS VA score was the total number of letters read correctly per eye at 4 m, plus a correction factor of 30 if ≥20 letters were read correctly at 4 m, plus the total number of letters read correctly at 1 m, if assessed. Best-corrected ETDRS VA scores ranged from 0 (no letters read correctly) to 100 (all letters read correctly). A higher score represented better VA.

Time frame: Month 24