Related Experiment Videos
GLP-1 Receptor Agonists and SGLT-2 Inhibitors in Diabetic Nephropathy: A Comparative Study.
Sara Ghadeer Alghadeer1, Sama Sami Kanfar1, Zakiah Dheya Algallaf1
1Imam Abdulrahman bin Faisal, King Fahad University Hospital, Dammam, Kingdom of Saudi Arabia.
Saudi Medical Journal
|July 14, 2026
Summary
Glucagon-like peptide-1 receptor agonists (GLP-1RAs) and sodium-glucose co-transporter-2 inhibitors (SGLT-2i) offer comparable benefits for type 2 diabetes mellitus (T2DM) patients. GLP-1RAs showed better reduction in albuminuria, indicating potential for superior kidney protection.
Area of Science:
- Nephrology
- Endocrinology
- Pharmacology
Background:
- Type 2 diabetes mellitus (T2DM) is a leading cause of chronic kidney disease.
- Diabetic nephropathy management requires effective glycemic control and renoprotective strategies.
- Glucagon-like peptide-1 receptor agonists (GLP-1RAs) and sodium-glucose co-transporter-2 inhibitors (SGLT-2i) are novel therapeutic classes for T2DM with potential renal benefits.
Purpose of the Study:
- To investigate the effects of GLP-1RAs on renal function in T2DM patients.
- To compare the efficacy of GLP-1RAs versus SGLT-2i in managing diabetic nephropathy.
- To evaluate the impact of these agents on estimated glomerular filtration rate (eGFR) and albuminuria.
Main Methods:
- Retrospective cohort study of 115 adult T2DM patients with eGFR ≥60 mL/min/1.73m².
- Patients were treated with either GLP-1RAs or SGLT-2i for over one year.
- Exclusion criteria included renal replacement therapy, nephrotoxic drugs, and incomplete records. Data analyzed using Jeffrey's Amazing Statistics Program (p < 0.05).
Main Results:
- Both GLP-1RAs and SGLT-2i groups showed minimal improvements in glycemic control (HbA1c).
- eGFR showed minimal improvement with GLP-1RAs (0.5-1.2 mL/min/1.73m²) and variable changes with SGLT-2i (-1.2 to +10.1 mL/min/1.73m²).
- Urine albumin/creatinine ratio decreased with GLP-1RAs (-13.35 mg/g) but increased with SGLT-2i (+49.86 mg/g).
Conclusions:
- GLP-1RAs and SGLT-2i provide comparable glycemic and renal benefits in T2DM patients.
- GLP-1RAs demonstrated a more favorable impact on reducing albuminuria.
- GLP-1RAs may offer superior renal protection in early-stage diabetic nephropathy.
Related Concept Videos
01:23Dipeptidyl Peptidase 4 Inhibitors
Dipeptidyl peptidase 4 (DPP-4) is a serine protease widely distributed in the body. It's involved in the inactivation of GLP-1 and GIP hormones, which are crucial for insulin regulation. DPP-4 inhibitors, such as sitagliptin (Januvia), saxagliptin (Onglyza), linagliptin (Tradjenta), alogliptin (Nesina), and vildagliptin (Galvus), help increase the proportion of active GLP-1, enhancing insulin secretion. These inhibitors work by competitively binding to DPP-4. This binding causes a significant...
01:24Glucagon-like Receptor Agonists
Incretins include glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), which stimulate insulin secretion post-meals. In type 2 diabetes, GIP's efficacy is reduced, making GLP-1 a viable drug target. GIP originates from preproGIP.
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by the...
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by the...
01:06Oral Hypoglycemic Agents: Glinides
Repaglinide (Prandin) and Nateglinide (Starlix), known as glinides, are oral insulin secretagogues that stimulate insulin release from pancreatic β cells by closing the ATP-sensitive potassium channels (KATP channel). Repaglinide controls insulin release from pancreatic β cells by managing potassium efflux. It shares two binding sites with sulfonylureas and also has a unique site, indicating overlapping mechanisms of action. With a rapid onset and a 4-7 hour duration, it effectively manages...
01:26Oral Hypoglycemic Agents: Biguanides and Glitazones
Biguanides, particularly metformin (Glucophage), are insulin sensitizers that enhance glucose uptake, thereby reducing insulin resistance. Unlike sulfonylureas, metformin doesn't prompt insulin secretion, which helps to curb hypoglycemia risk. Metformin is beneficial in treating conditions like polycystic ovary syndrome due to its insulin-resistance reduction capability. The drug's primary action involves curtailing hepatic gluconeogenesis, a significant contributor to high blood glucose levels...
01:19Oral Hypoglycemic Agents: α-Glucosidase Inhibitors
α-glucosidase inhibitors, including acarbose (Precose), miglitol (Glyset), and voglibose (Voglib) (primarily available in Asia), are drugs that control blood sugar levels by delaying the digestion of starch and disaccharides. They achieve this by inhibiting α-glucosidase enzymes in the intestine, which slow the absorption of carbohydrates in the intestine, which in turn leads to a prolonged release of the glucoregulatory hormone GLP-1 from intestinal L-cells.
Acarbose and miglitol are typically...
Acarbose and miglitol are typically...
01:28Diabetic Nephropathy
Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...