DM Oral Agents Overview

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Questions and Answers

What is the primary effect of Meglitinides on insulin production?

  • Inhibit insulin secretion after meals
  • Decrease insulin resistance in tissues
  • Increase insulin release from the liver
  • Increase insulin release from the pancreas (correct)

Which of the following medications is associated with a high risk of heart failure?

  • Starlix
  • Nateglinide
  • Glucotrol
  • Pioglitazone (correct)

What is a significant side effect associated with the use of sulfonylureas?

  • Nausea
  • Weight gain (correct)
  • Increased heart rate
  • Weight loss

Which of the following statements about Repaglinide is TRUE?

<p>It requires administration only during meals. (B)</p> Signup and view all the answers

What does the use of Thiazolidinediones like Pioglitazone primarily target?

<p>Insulin sensitivity in muscle and fat tissues (B)</p> Signup and view all the answers

Which adverse effect is NOT typically associated with α-Glucosidase Inhibitors?

<p>Bladder cancer (A)</p> Signup and view all the answers

What is a common characteristic of DPP-4 Inhibitors like Sitagliptin?

<p>Increased risk of urinary tract infections (A)</p> Signup and view all the answers

Which drug is known as a thiazolidinedione (TZD)?

<p>Rosiglitazone (B)</p> Signup and view all the answers

What is a significant concern when monitoring patients on α-Glucosidase Inhibitors?

<p>Liver function (B)</p> Signup and view all the answers

What indicates a primary adverse effect of Metformin?

<p>Diarrhea (D)</p> Signup and view all the answers

Incretin hormones are primarily elevated by which class of medications?

<p>DPP-4 Inhibitors (A)</p> Signup and view all the answers

Which of the following drugs is most likely to have gastrointestinal side effects?

<p>Metformin (A)</p> Signup and view all the answers

What condition is NOT commonly treated with the use of insulins mentioned in the provided data?

<p>Bladder cancer (D)</p> Signup and view all the answers

What is the primary mechanism of action (MOA) of Metformin?

<p>Prevents an increase in glucose levels (C)</p> Signup and view all the answers

Which of the following is a potential side effect of Glimepiride?

<p>Hypoglycemia (D)</p> Signup and view all the answers

Which of the following is true regarding Metformin?

<p>It should be avoided in patients with renal issues. (C), It is contraindicated in pregnant patients. (D)</p> Signup and view all the answers

Which statement is true about the 2nd generation oral agents like Glimepiride?

<p>They should not be taken with alcohol. (D)</p> Signup and view all the answers

What is one of the primary adverse effects associated with Metformin?

<p>Diarrhea (D)</p> Signup and view all the answers

In which population should Metformin be used cautiously?

<p>Patients with a history of heart failure (B)</p> Signup and view all the answers

Which of the following statements regarding weight change is correct for Metformin?

<p>It is associated with weight loss. (C)</p> Signup and view all the answers

What is a contraindication for Glipizide use?

<p>Breastfeeding women (B)</p> Signup and view all the answers

What is the primary effect of Sodium-Glucose Cotransporter 2 Inhibitors like Canagliflozin?

<p>Decrease blood glucose levels (C)</p> Signup and view all the answers

Which medication is associated with a risk of dehydration, especially in combination with diuretics?

<p>Canagliflozin (A)</p> Signup and view all the answers

What is a notable side effect of Glucagon-like peptide-1 receptor agonists?

<p>Nausea, vomiting, and diarrhea (NVD) (B)</p> Signup and view all the answers

What is the typical onset time for Rapid-acting insulin such as Humalog?

<p>&lt; 15 minutes (B)</p> Signup and view all the answers

Which of the following insulin types is administered not with meals?

<p>Intermediate insulin (NPH) (D)</p> Signup and view all the answers

What is the duration of action for Long-acting insulin like Lantus?

<p>24 hours (A)</p> Signup and view all the answers

What is a contraindication for the use of Exenatide?

<p>Renal impairment (A)</p> Signup and view all the answers

Which of the following medications does NOT typically cause weight loss?

<p>Humulin N (C)</p> Signup and view all the answers

What is the peak effect time for Short-acting insulin such as Humulin R?

<p>2-3 hours (A)</p> Signup and view all the answers

Which insulin type is great for controlling blood sugar in patients who have extreme difficulty managing it?

<p>Ultra-long insulin (D)</p> Signup and view all the answers

What is a potential risk associated with Gliptins?

<p>Pancreatitis (D)</p> Signup and view all the answers

Which insulin type has the longest duration among the following?

<p>Tresiba (A)</p> Signup and view all the answers

What is the recommended administration timing for Rapid-acting insulin?

<p>Before meals (B)</p> Signup and view all the answers

Which medication is an incretin mimetic and should be used cautiously in patients with renal issues?

<p>Exenatide (A)</p> Signup and view all the answers

Flashcards

Metformin MOA

Metformin prevents increased glucose levels.

Metformin Side Effects

Diarrhea, bloating, upset stomach.

Metformin Risk

Low risk, but can cause heart failure.

Glimepiride MOA

Increases insulin release.

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Glimepiride Risk

High risk of hypoglycemia.

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Glimepiride Contraindications

Avoid if pregnant, breastfeeding, or drinking alcohol.

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Biguanides

Class of Diabetes drugs; Metformin is an example.

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Diabetes Oral Agents

Drugs taken by mouth to manage diabetes.

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Sulfonylureas

Medications that increase insulin release from the pancreas to lower blood sugar.

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Meglitinides/Glinides

Medications similar to sulfonylureas, but their insulin release is more rapid and meal-dependent.

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Thiazolidinediones

Medications that improve insulin sensitivity, helping the body use insulin better.

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Weight gain risk

A potential side effect of some diabetes medications.

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Heart failure risk

Increased chance of developing heart problems with certain diabetes medications.

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TZDs (Glitazones)

A class of diabetes drugs that work by making cells more sensitive to insulin, improving how your body uses glucose.

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Rosiglitazone (Avandia)

A specific TZD drug used to treat type 2 diabetes.

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Acarbose (Precose)

An α-glucosidase inhibitor that delays the absorption of carbohydrates from the diet.

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α-Glucosidase Inhibitors Side Effects

Common side effects include gas, bloating, cramps, diarrhea, and anemia.

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DPP-4 Inhibitors

This drug class increases the levels of incretin hormones, which stimulate insulin release and reduce glucagon release.

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Sitagliptin (Januvia)

A specific DPP-4 inhibitor used to treat type 2 diabetes.

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GLP-1 Receptor Agonists

Drugs that mimic the action of incretin hormones, increasing insulin release and slowing gastric emptying.

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Incretin Hormones

Hormones produced in the gut that stimulate insulin release and decrease glucagon release after a meal.

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SGLT2 Inhibitors

Drugs that block the reabsorption of glucose in the kidneys, increasing glucose excretion in urine.

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Glucagon-like Peptide-1 (GLP-1)

A natural incretin hormone that regulates blood sugar levels.

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What are the potential side effects of SGLT2 inhibitors?

Common side effects include UTIs, increased urination, dehydration, postural hypotension, especially with diuretics. There's also a low risk of fungal infections.

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What are the potential risks associated with GLP-1 Receptor Agonists?

Risks include nausea, vomiting, diarrhea, pancreatitis, and a potential for renal problems. They are contraindicated in pregnancy.

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What are the benefits of GLP-1 Receptor Agonists?

They can effectively lower blood sugar, promote weight loss, and have a low risk of hypoglycemia when used alone.

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What are the benefits of SGLT2 Inhibitors?

They effectively lower blood sugar levels, promote weight loss, and can be used as monotherapy or in combination therapy.

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Rapid-Acting Insulin

Insulin that starts working quickly, peaks within 30-90 minutes, and lasts for 3-5 hours.

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Short-Acting Insulin

Insulin that starts working within 30-45 minutes, peaks in 2-3 hours, and lasts for 6.5 hours.

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Intermediate-Acting Insulin

Insulin that starts working in 1-3 hours, peaks in 5-8 hours, and lasts for 14-18 hours.

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Long-Acting Insulin

Insulin that starts working in 1-2 hours, has no specific peak, and lasts for 24 hours.

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Ultra-Long-Acting Insulin

Insulin that starts working in 1-2 hours, has no specific peak, and lasts for up to 40 hours.

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What's the difference between rapid-acting and short-acting insulin?

Rapid-acting insulin acts faster and peaks sooner than short-acting insulin. However, both are typically taken with meals.

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What's the difference between intermediate-acting and long-acting insulin?

Intermediate-acting insulin lasts for a shorter period than long-acting insulin and needs to be administered multiple times a day, while long-acting insulin typically provides 24-hour coverage.

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Study Notes

DM Oral Agents

  • Biguanides (Metformin):

    • Prevents increase in glucose levels
    • Low risk of weight gain
    • Potential side effects include: decreased appetite, diarrhea, and upset stomach
    • Contraindications: renal issues, heart failure, and pregnancy
    • Titrate dosage to avoid gastrointestinal issues
    • Suitable for patients with irregular schedules
  • Sulfonylureas (Glimepiride, Glipizide):

    • Increases insulin release from the pancreas
    • High risk of weight gain
    • Potential side effects include hypoglycemia
    • Contraindications: heart failure and pregnancy
    • Alcohol consumption should be avoided
    • Suitable for patients with scheduled treatments
  • Meglitinides (Glinides):

    • Rapid insulin release
    • High risk of weight gain
    • Potential side effects include edema
    • Contraindications: heart failure, and pregnancy
    • Should be taken with meals
  • Thiazolidinediones (TZDs, Glitazones):

    • Reduces insulin resistance
    • Uncertain impact on weight gain
    • Potential side effects include an increased risk of bladder cancer
    • Contraindications include heart failure
    • Should be taken in combination with other medications
  • a-Glucosidase Inhibitors:

    • Delays carbohydrate absorption
    • Low risk of weight gain
    • Potential side effects include gas, cramps, bloating, and diarrhea
    • Contraindications: Liver dysfunction
  • DPP-4 Inhibitors (Gliptins):

    • Increases incretin hormone function
    • Low risk of weight gain
    • Potential side effects include pancreatitis
  • Sodium-Glucose Co-Transporters (SGLT2 Inhibitors):

    • Reduces glucose absorption by the kidneys
    • Low risk of weight gain
    • Potential side effects: dehydration, yeast infections, urinary tract infections (UTIs), postural hypotension (especially when combined with diuretics)
  • Glucagon-like Peptide-1 Receptor Agonists (GLP-1):

    • Increases incretin hormone function
    • Low risk of weight gain
    • Potential side effects include nausea, vomiting, diarrhea, and pancreatitis
    • Contraindications: heart failure, pregnancy

Insulin Types

  • Rapid-Acting:

    • Onset: less than 15 minutes
    • Peak: 30-90 minutes
    • Duration: 3-5 hours
    • Examples: Humalog, Novolog, Apidra.
    • Should be taken with meals.
  • Short-Acting (Regular):

    • Onset: 30-45 minutes
    • Peak: 2-3 hours
    • Duration: 6.5 hours
    • Examples: Humulin R, Novolin R.
    • Should be taken with meals.
  • Intermediate-Acting (NPH):

    • Onset: 1-3 hours
    • Peak: 5-8 hours
    • Duration: 14-18 hours
    • Examples: Humulin N, Novolin N
    • Not recommended for use without meals
  • Long-Acting (Basal):

    • Onset: 1-2 hours
    • Peak: None
    • Duration: 24 hours generally
    • Examples: Lantus, Levemir, Toujeo, Tresiba
    • Used to manage blood sugar between meals, and at night
  • Ultra-Long-Acting:

    • Onset: 1-2 hours
    • Peak: None
    • Duration: Up to 40 hours
    • Examples: Tresiba
    • Suitable for managing fluctuating blood glucose levels over a prolonged period throughout the 24-hour cycle

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