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A prospective, randomized, open-label, controlled clinical trial will be conducted at the endocrinology department - Ain Shams University (ASU) hospital. Sixty patients will be enrolled into the study. 30 of which will receive dapagliflozin 10mg tab once daily and the other thirty will receive their standard antidiabetic therapy for 12 weeks.
All type 2 diabetes mellitus patients presenting to the endocrinology department, ASU Hospitals, who were diagnosed with mild to moderate non-proliferative diabetic retinopathy will be assessed for eligibility.
Eligible patients will be randomly assigned to one of the following 2 arms:
A total of four visits one for baseline evaluation and one for end of study evaluation and two intermediate visits, the following will be performed in the visits:
Clinical Evaluation
Report any adverse effects that may appear
Blood samples will be taken at baseline and at 12-week visits
Follow up
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Test group | Experimental | (n=30): type 2 diabetes mellitus patients who will receive an oral antidiabetic along with dapagliflozin at a dose of 10 mg daily for 12 weeks. |
|
| Control group | Active Comparator | (n=30): type 2 diabetes mellitus patients who will receive two oral antidiabetic agents for 12 weeks |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dapagliflozin 10mg Tab plus another oral hypoglycemic agent | Drug | Dapagliflozin is a member of Sodium-glucose co-transporter 2 inhibitors class which in addition to its glucose control effect, has reno-protective and cardioprotective effects, controls blood pressure and causes weight loss. |
| Measure | Description | Time Frame |
|---|---|---|
| Severity of retinopathy | evaluate the change of stage of disease according to diabetic retinopathy severity scale,, Which is the International Clinical Disease Severity Scale (ICDSS) for DR. This scale classified the severity of disease into five stages ( No apparent retinopathy, Mild Non proliferative Diabetic retinopathy (NPDR) ,Mod NPDR, Severe NPDR ,Proliferative Diabetic Retinopathy) depend on eye examination. higher scores mean worse outcome. | 12 weeks |
| Evaluation of the study biomarkers, IL-6, and VEGF | Interleukin-6 (IL-6)//inflammatory biomarker Vascular endothelial growth factor (VEGF)//angiogenic biomarker | 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Occurrence of adverse events | No potential risks are expected when the study patients are selected according to the determined inclusion criteria but maybe occur Nausea, abdominal pain, polyuria, thrush, genital or urinary tract infections | (1-90)days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Nidae A Ismail, BSc | Contact | 00201157820751 | Nidae.Alaa@gmail.com | |
| Lamiaa M ElWakeel, PhD | Contact | 00201005201099 | lamywak@yahoo.com |
| Name | Affiliation | Role |
|---|---|---|
| Lamiaa M ElWakeel, PhD | Faculty of pharmacy Ain Shams University | Study Director |
| Mona A Abd El Salam, MD | Faculty of Medicine Ain Shams University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Internal medicine and endocrinology department, Ain-shams university hospitals | Recruiting | Cairo | Egypt |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 29219149 | Background | Zheng Y, Ley SH, Hu FB. Global aetiology and epidemiology of type 2 diabetes mellitus and its complications. Nat Rev Endocrinol. 2018 Feb;14(2):88-98. doi: 10.1038/nrendo.2017.151. Epub 2017 Dec 8. | |
| 27159554 | Background | Wong TY, Cheung CM, Larsen M, Sharma S, Simo R. Diabetic retinopathy. Nat Rev Dis Primers. 2016 Mar 17;2:16012. doi: 10.1038/nrdp.2016.12. |
| Label | URL |
|---|---|
| Protective Effect of Sodium-Glucose Co-Transporter 2 Inhibitor (Dapagliflozin) on Diabetic Retinopathy in Streptozotocin Induced Diabetes in Rats | View source |
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| ID | Term |
|---|---|
| D003930 | Diabetic Retinopathy |
| ID | Term |
|---|---|
| D012164 | Retinal Diseases |
| D005128 | Eye Diseases |
| D003925 | Diabetic Angiopathies |
| D014652 | Vascular Diseases |
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| ID | Term |
|---|---|
| C529054 | dapagliflozin |
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|
|
| Two oral hypoglycemic agents other than dapagliflozin | Drug | Two oral anti-diabetic agents not including sodium-glucose co-transporter 2 inhibitors |
|
|
| Marwa A Ahmed, PhD |
| Faculty of pharmacy Ain Shams University |
| Study Director |
| Nidae A Ismail, BSc | Faculty of pharmacy Ain Shams University | Principal Investigator |
| 33274239 | Background | Sha W, Wen S, Chen L, Xu B, Lei T, Zhou L. The Role of SGLT2 Inhibitor on the Treatment of Diabetic Retinopathy. J Diabetes Res. 2020 Nov 12;2020:8867875. doi: 10.1155/2020/8867875. eCollection 2020. |
| 31019585 | Background | Zhou Z, Ju H, Sun M, Chen H. Serum Vascular Endothelial Growth Factor Levels Correlate with Severity of Retinopathy in Diabetic Patients: A Systematic Review and Meta-Analysis. Dis Markers. 2019 Mar 24;2019:9401628. doi: 10.1155/2019/9401628. eCollection 2019. |
| 30644770 | Background | Yao Y, Li R, Du J, Long L, Li X, Luo N. Interleukin-6 and Diabetic Retinopathy: A Systematic Review and Meta-Analysis. Curr Eye Res. 2019 May;44(5):564-574. doi: 10.1080/02713683.2019.1570274. Epub 2019 Feb 4. |
| 26078479 | Background | Peters AL, Buschur EO, Buse JB, Cohan P, Diner JC, Hirsch IB. Euglycemic Diabetic Ketoacidosis: A Potential Complication of Treatment With Sodium-Glucose Cotransporter 2 Inhibition. Diabetes Care. 2015 Sep;38(9):1687-93. doi: 10.2337/dc15-0843. Epub 2015 Jun 15. |
| 33634250 | Background | Lahoti S, Nashawi M, Sheikh O, Massop D, Mir M, Chilton R. Sodium-glucose co-transporter 2 inhibitors and diabetic retinopathy: insights into preservation of sight and looking beyond. Cardiovasc Endocrinol Metab. 2020 May 18;10(1):3-13. doi: 10.1097/XCE.0000000000000209. eCollection 2021 Mar. |
| 31491943 | Background | Chen YY, Wu TT, Ho CY, Yeh TC, Sun GC, Kung YH, Wong TY, Tseng CJ, Cheng PW. Dapagliflozin Prevents NOX- and SGLT2-Dependent Oxidative Stress in Lens Cells Exposed to Fructose-Induced Diabetes Mellitus. Int J Mol Sci. 2019 Sep 5;20(18):4357. doi: 10.3390/ijms20184357. |
| 28231831 | Background | Ott C, Jumar A, Striepe K, Friedrich S, Karg MV, Bramlage P, Schmieder RE. A randomised study of the impact of the SGLT2 inhibitor dapagliflozin on microvascular and macrovascular circulation. Cardiovasc Diabetol. 2017 Feb 23;16(1):26. doi: 10.1186/s12933-017-0510-1. |
| D002318 |
| Cardiovascular Diseases |
| D048909 | Diabetes Complications |
| D003920 | Diabetes Mellitus |
| D004700 | Endocrine System Diseases |