A Multi-center, Randomized, Double-blind, Placebo-controlled, Superiority, Phase IV Trial to Evaluate the Efficacy and Safety of Entelon 50mg Compared to Placebo in Patients With Non-Proliferative Diabetic Retinopathy
Overview
- Phase
- Phase 4
- Intervention
- Entelon Tab. 50mg
- Conditions
- Non Proliferative Diabetic Retinopathy
- Sponsor
- Hanlim Pharm. Co., Ltd.
- Enrollment
- 396
- Locations
- 1
- Primary Endpoint
- Proportion of subjects maintained or improved in DRSS level
- Status
- Recruiting
- Last Updated
- 3 years ago
Overview
Brief Summary
This clinical trial is a multi-center, double-blind, randomized, placebo controlled , parallel design, superiority, phase 4 study to evaluate the efficacy and safety of Entelon 50mg in 396 patients with non-proliferative diabetic retinopathy.
Detailed Description
This study is to prove that Entelon tab. 50mg is superior in clinical efficacy and safety compared to placebo for 24 months in patients suffering from non-proliferative diabetic retinopathy.
Investigators
Eligibility Criteria
Inclusion Criteria
- •19 years ≤ age
- •Those who are diagnosed as Type 2 diabetes mellitus
- •Those whose blood sugar level has been well adjusted to less than 9% of HbA1c with dietary and oral blood sugar lowering durgs for 3 months based on the time of screening
- •Those who agree to use an effective method of contraception
- •Those who provide written consent voluntarily to participate in this clinical trial
- •Inclusion criteria for the study eye
- •Those with 0.5(20/40 Snellen lines) or more visual acuity
- •Those with 300 micrometers or less central macular thickness
- •Those who are diagnosed as mild to moderate NPDR(DRSS levels 35-47)
Exclusion Criteria
- •Those who are diagnosed as proliferative diabetic retinopathy
- •Those with macular edema
- •Diabetic subjects who have difficulty in controlling blood sugar
- •Those whose blood pressure is not well controlled at the time of the screening(\>140/90mmHg)
- •Those who, have had stroke or myocardial infarction or arrhythmia that should be treated within 6 months prior to the time of screening
- •Subjects with severe renal disorder or severe liver disorder
- •Those who have a history of malignant tumors within 5 years prior to the time of screening
- •Those who are required to receive Kallidinogenase, Vaccinium myrtillus extract, Sulodexide, or Calcium dobesilate during the clinical trial period
- •Those who have an allergy to investigational product or any of its excipients
- •Those who have an allergy to fluorescein
Arms & Interventions
Entelon Tab. 50mg
Intervention: Entelon Tab. 50mg
Placebo
Intervention: Placebo
Outcomes
Primary Outcomes
Proportion of subjects maintained or improved in DRSS level
Time Frame: 24 months(Visit 10)
Change at 24 months of treatment with the drug from baseline(day 0) in DRSS(Diabetic Retinopathy Severity Scale) level
Secondary Outcomes
- Proportion of subjects maintained or improved or worsened in DRSS(12 months(Visit 6), 24 months(Visit 10))
- Amount of change BCVA letter(24 months(Visit 10))
- Proportion of subjects improved or worsened in BCVA(24 months(Visit 10))
- Change in quantitative of hard exudate(6 months(Visit 4), 12 months(Visit 6), 18 months(Visit 8), 24 months(Visit 10))
- Change in CMT and TMV(6 month(Visit 4), 12 month(Visit 6), 18 month(Visit 8), 24 month(Visit 10))
- Proportion of subjects with CSME(through study completion, an average of 2 years)
- Proportion of subjects maintained or improved in DRSS level(12 months(Visit 6))