SGLT2 Inhibitors are the new group of drugs used in the treatment of?

ISRO- 2016

Pharmacology

Easy

Appeared in: ISRO- 2016

Explanation

SGLT2 inhibitors, often ending in the suffix '-gliflozin', are a class of oral hypoglycemic agents approved for the management of Type 2 Diabetes Mellitus.
Their primary mechanism of action is to inhibit the Sodium-Glucose Cotransporter 2 (SGLT2) in the proximal convoluted tubules of the kidney.
This inhibition prevents the reabsorption of filtered glucose, leading to increased urinary glucose excretion (glucosuria) and a subsequent reduction in blood glucose levels.
This action is independent of insulin secretion, which distinguishes it from other classes of antidiabetic drugs like sulfonylureas.

Option B: Dyslipidemia refers to abnormal lipid levels in the blood. The primary treatment for this condition involves lifestyle changes and lipid-lowering drugs, most commonly statins.
Option C: Hyperthyroidism is a condition caused by an overactive thyroid gland. It is treated with antithyroid medications like methimazole or propylthiouracil, radioactive iodine, or surgery, not SGLT2 inhibitors.
Option D: While SGLT2 inhibitors have a significant, proven benefit in slowing the progression of chronic kidney disease (CKD) and are now an important part of its management, their primary classification and initial indication is as an antidiabetic agent. They are not the foundational treatment for all causes of renal failure.

Clinical Relevance

Nursing practice connection: Knowing Pharmacology of Antidiabetic Drugs helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
A key nursing responsibility is patient education regarding the increased risk of genital mycotic infections (yeast infections) and urinary tract infections (UTIs) due to glucosuria. Proper hygiene should be emphasized.
Nurses should monitor for signs of dehydration, orthostatic hypotension, and electrolyte imbalances, as SGLT2 inhibitors have a diuretic effect. Encourage adequate fluid intake.
A rare but serious adverse effect is euglycemic diabetic ketoacidosis (eDKA), where DKA occurs with normal or only mildly elevated blood glucose. Nurses must be vigilant for symptoms like nausea, vomiting, and abdominal pain, especially if the patient is ill or has reduced caloric intake.

How to Approach the Question

First, identify the core subject of the question, which is a specific drug class: SGLT2 Inhibitors.
Recall or deduce the primary therapeutic indication for this class of drugs. The name 'Sodium-Glucose Cotransporter 2' itself provides a clue linking it to glucose metabolism.
Evaluate each option. 'Diabetes Mellitus' is directly related to glucose control.
Consider the other options. While SGLT2 inhibitors have benefits for the kidneys ('Chronic renal failure'), their primary role is to lower blood sugar in diabetes.
Distinguish between a drug's primary indication and its secondary benefits or expanded uses. Select the option that represents the primary reason the drug is prescribed.
Therefore, 'Diabetes Mellitus' is the most accurate and direct answer.

Concept Tested & Keywords

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