Study to Evaluate Efficacy and Safety of Entelon 50mg in Patients With Non-Proliferative Diabetic Retinopathy
Primary Purpose
Non Proliferative Diabetic Retinopathy
Status
Recruiting
Phase
Phase 4
Locations
Korea, Republic of
Study Type
Interventional
Intervention
Entelon Tab. 50mg
Placebo
Sponsored by
About this trial
This is an interventional treatment trial for Non Proliferative Diabetic Retinopathy
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
- Those who have galactose intolerance, lapp lactase deficiency, or glucose-galactose malabsorption
- Those who have difficulty to get OCT test or Fundus photo test
- Pregnant or lactating woman
- Those with medication of other investigational product within 3 months prior to the time of randomization
- Patients who are considered to be ineligible for study participation by the investigator
Exclusion criteria for the study eye
- Those who have a visual defect that can affect the evaluation determined by an investigator
- Those who have a opacity that can affect the evaluation determined by an investigator
- Those who have eye diseases that can affect the evaluation determined by an investigator
- Those with 25mmHg or more intraocular pressure on a study eye
- Those who are on medication of intravitreal injection of steroid or anti VEGF treatment or get laser photocoagulation within 6 months prior to the first administration
- Those who have a history of a vitrectomy
- Those who have a major ophthalmic surgery history within 3 months prior to the time of first administration for investigational products
- Those who have a history of yttrium aluminum garnet capsulotomy within 2 months prior to the time of first administration for investigational products
- Those with a phakia
Sites / Locations
- Hallym University Kangnam Sacred Heart HospitalRecruiting
Arms of the Study
Arm 1
Arm 2
Arm Type
Experimental
Placebo Comparator
Arm Label
Entelon Tab. 50mg
Placebo
Arm Description
Outcomes
Primary Outcome Measures
Proportion of subjects maintained or improved in DRSS level
Change at 24 months of treatment with the drug from baseline(day 0) in DRSS(Diabetic Retinopathy Severity Scale) level
Secondary Outcome Measures
Proportion of subjects maintained or improved in DRSS level
Change at 12 months of treatment with the drug from baseline(day 0) in DRSS(Diabetic Retinopathy Severity Scale) level
Proportion of subjects maintained or improved or worsened in DRSS
Percentage of subjects with no change in DRSS(diabetic retinopathy severity scale) compared to baseline at 12 or 24 months compared to baseline, improved one or more levels, improved two or more levels, worsened one or more levels, and worsened two or more levels
Amount of change BCVA letter
Amount of change in BCVA(best corrected visual acuity) letters at 24 months relative to baseline
Proportion of subjects improved or worsened in BCVA
Proportion of subjects with improved five or more letters in BCVA(best corrected visual acuity) and worsened five or more letters at 24 months compared to baseline
Change in quantitative of hard exudate
Amount and rate of change in quantitative of hard exudate through fundus photo
Change in CMT and TMV
Amount of change in CMT(Central macular thickness) and TMV(Total macular volume)
Proportion of subjects with CSME
Proportion of subjects with CSME(Clinically significant macular edema)
Full Information
1. Study Identification
Unique Protocol Identification Number
NCT05358080
Brief Title
Study to Evaluate Efficacy and Safety of Entelon 50mg in Patients With Non-Proliferative Diabetic Retinopathy
Official Title
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
Study Type
Interventional
2. Study Status
Record Verification Date
July 2022
Overall Recruitment Status
Recruiting
Study Start Date
May 27, 2022 (Actual)
Primary Completion Date
December 16, 2024 (Anticipated)
Study Completion Date
December 16, 2024 (Anticipated)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Hanlim Pharm. Co., Ltd.
4. Oversight
Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No
5. Study Description
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.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Non Proliferative Diabetic Retinopathy
7. Study Design
Primary Purpose
Treatment
Study Phase
Phase 4
Interventional Study Model
Parallel Assignment
Masking
ParticipantInvestigator
Allocation
Randomized
Enrollment
396 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
Entelon Tab. 50mg
Arm Type
Experimental
Arm Title
Placebo
Arm Type
Placebo Comparator
Intervention Type
Drug
Intervention Name(s)
Entelon Tab. 50mg
Other Intervention Name(s)
Vitis Vinifera Seed Dreid Extract 50mg
Intervention Description
twice daily for 24months
Intervention Type
Drug
Intervention Name(s)
Placebo
Intervention Description
twice daily for 24months
Primary Outcome Measure Information:
Title
Proportion of subjects maintained or improved in DRSS level
Description
Change at 24 months of treatment with the drug from baseline(day 0) in DRSS(Diabetic Retinopathy Severity Scale) level
Time Frame
24 months(Visit 10)
Secondary Outcome Measure Information:
Title
Proportion of subjects maintained or improved in DRSS level
Description
Change at 12 months of treatment with the drug from baseline(day 0) in DRSS(Diabetic Retinopathy Severity Scale) level
Time Frame
12 months(Visit 6)
Title
Proportion of subjects maintained or improved or worsened in DRSS
Description
Percentage of subjects with no change in DRSS(diabetic retinopathy severity scale) compared to baseline at 12 or 24 months compared to baseline, improved one or more levels, improved two or more levels, worsened one or more levels, and worsened two or more levels
Time Frame
12 months(Visit 6), 24 months(Visit 10)
Title
Amount of change BCVA letter
Description
Amount of change in BCVA(best corrected visual acuity) letters at 24 months relative to baseline
Time Frame
24 months(Visit 10)
Title
Proportion of subjects improved or worsened in BCVA
Description
Proportion of subjects with improved five or more letters in BCVA(best corrected visual acuity) and worsened five or more letters at 24 months compared to baseline
Time Frame
24 months(Visit 10)
Title
Change in quantitative of hard exudate
Description
Amount and rate of change in quantitative of hard exudate through fundus photo
Time Frame
6 months(Visit 4), 12 months(Visit 6), 18 months(Visit 8), 24 months(Visit 10)
Title
Change in CMT and TMV
Description
Amount of change in CMT(Central macular thickness) and TMV(Total macular volume)
Time Frame
6 month(Visit 4), 12 month(Visit 6), 18 month(Visit 8), 24 month(Visit 10)
Title
Proportion of subjects with CSME
Description
Proportion of subjects with CSME(Clinically significant macular edema)
Time Frame
through study completion, an average of 2 years
10. Eligibility
Sex
All
Minimum Age & Unit of Time
19 Years
Accepts Healthy Volunteers
No
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
Those who have galactose intolerance, lapp lactase deficiency, or glucose-galactose malabsorption
Those who have difficulty to get OCT test or Fundus photo test
Pregnant or lactating woman
Those with medication of other investigational product within 3 months prior to the time of randomization
Patients who are considered to be ineligible for study participation by the investigator
Exclusion criteria for the study eye
Those who have a visual defect that can affect the evaluation determined by an investigator
Those who have a opacity that can affect the evaluation determined by an investigator
Those who have eye diseases that can affect the evaluation determined by an investigator
Those with 25mmHg or more intraocular pressure on a study eye
Those who are on medication of intravitreal injection of steroid or anti VEGF treatment or get laser photocoagulation within 6 months prior to the first administration
Those who have a history of a vitrectomy
Those who have a major ophthalmic surgery history within 3 months prior to the time of first administration for investigational products
Those who have a history of yttrium aluminum garnet capsulotomy within 2 months prior to the time of first administration for investigational products
Those with a phakia
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Ha Kyoung Kim
Phone
82-2-6960-1240
Email
ophkim@hallym.or.kr
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Ha Kyoung Kim
Organizational Affiliation
Hallym University Kangnam Sacred Heart Hospital
Official's Role
Principal Investigator
Facility Information:
Facility Name
Hallym University Kangnam Sacred Heart Hospital
City
Seoul
Country
Korea, Republic of
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Ha Kyoung Kim
12. IPD Sharing Statement
Plan to Share IPD
No
Learn more about this trial
Study to Evaluate Efficacy and Safety of Entelon 50mg in Patients With Non-Proliferative Diabetic Retinopathy
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