Medical Pharmacology: Diabetes Management Practice
Questions
Click on the correct answer.
Liraglutide (Victoza): is classified as belonging to the GLP-1 receptor agonist class of type II diabetes medications.
True
False
Liraglutide (Victoza):
Soluble fatty acid acylated GLP-1 analog
Relatively long-acting GLP-1 analog
Both
Neither
Liraglutide extended half-life:
About one hour
About 7 hours
About 13 hours
About 24 hours
Liraglutide (Victoza) metabolism:
Mainly through cytochrome P450 oxidation reactions.
Mainly metabolized by dipeptidyl peptidase IV (DPP-IV) as well as endogenous endopeptidases.
Both
Either
Pharmacokinetics of liraglutide: pharmacokinetic behavior in type II diabetes mellitus patients 10-17 years of age comparable to that of an adult.
True
False
Liraglutide:
Promotes glucose-dependent insulin release
Decreases inappropriate glucagon release
Both
Neither
Extended duration of liraglutide (i.e. increase half-life):
Increased plasma protein binding, particularly albumin, mainly accounts for extended half-life.
The fatty acid side chain associated with this molecule appears to reduce inactivating cleavage by DPP-4 (dipeptidyl peptidase-IV).
Both
Liraglutide and the cardiovascular system of patients both with type II diabetes and documented cardiovascular disease:
Decreases risk of death due to cardiovascular disease
Decreases the risk of nonfatal myocardial infarction
Decreases risk of nonfatal stroke
A & B
B & C
A & C
A, B & C
Liraglutide indication: treatment as an adjunct agent in those patients whose glycemic control is inadequately managed with oral agents
True
False
Liraglutide route/routes of administration:
Subcutaneous in upper arm, abdomen or thigh
Intravenous route of administration
Both
Neither
Positive effects associated with cardiovascular risk in patients with type II diabetes and documented cardiovascular disease associated with:
Exenatide
Lixisenatide
Both
Neither
Effect/effects associated with liraglutide (Victoza):
Reduction in HbA1c levels
Weight loss
Reduced systolic blood pressure
Decreased incidence of significant hypoglycemia
A & B
B & C
All of the above (A, B, C & D)
Liraglutide (Victoza) is contraindicated for chronic weight management in pregnant women.
True
False
Liraglutide (Victoza) is contraindicated in those patients exhibiting a personal or family history of medullary thyroid cancer as well as in patients with multiple endocrine neoplasia syndrome type 2.
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Source Material:
Powers A D'Alessio D Chapters 47:
Endocrine Pancreas and Pharmacotherapy of Diabetes Mellitus and
Hypoglycemia in Goodman & Gilman's: The Pharmcological
Basis of Therapeutics, 13e, (Brunto LL Hilal-Dandan R Knollmann
BC, eds) McGraw-Hill Education, 2018.
Masharani U Diabetes
Mellitus (27-01) in Current Medical Diagnosis & Treatment (Papadakis
MA McPhee SJ Rabow MW McQuaid KR, eds) 61e McGraw Hill 2022.
Masharani U Kroon L
Chapter 41: Pancreatic Hormones & Glucose-Lowering Drugs
in Basic & Clinical Pharmacology (Katzung BG, Editor; Vanderah
TW, Associate editor) 15e McGraw Hill 2021.