Pancreatic Hormones, antidb, Hyperglycermics Flashcards
Alpha-glucosidase inhibitor associated with elevation of LFT’s
Acarbose
Examples of alpha-glucosidase inhibitors (AGI)
Acarbose, miglitol
Drugs available in combination with metformin
Acroplus Met progutazone and metformin, Janumet and Janumet XR Sitagliptin and Metformin, Glyburide, glipizide, and rosiglitazone
MOA of AGI’s
Act on intestine, delay absorption of glucose
Product of proinsulin cleavage used to assess insulin production
C-peptide
Sulfonylurea NOT recommended for elderly because of very long half life
Chlorpropamide
First generation sulfonylurea
Chlorpropamide, tolbutamide, tolazamide, etc.
MOA of metformin
Decreases hepatic glucose production and intestinal glucose absorption; increase insulin sensitivity
SE of Thiazolindinediones
Edema, mild anemia; interaction with drugs that undergo CytP450 3A4 metabolism; if used over one year, bladder Cancer; with CHF, may cause new or worsening CHF
SE of AGI’s
Flatulence (do not use beano to tx), diarrhea, abdominal cramps
Ultra long acting insulin, has over a day duration of action
Glargine (Lantus)
Hyperglycemic agent that increases cAMP and results in glycogenolysis, gluconeogenesis, reverses hypoglycemia, also used to reverse severe beta-blocker overdose and smooth muscle relaxation
Glucagon
Important in synthesis of glucose to glycogen in the liver
GLUT 2
Important in muscle and adipose tissue for glucose transport across muscles and TG storage by lipoprotein lipase activation
GLUT 4
Second generation sulfonylurea
Glyburide, glipizide, glimepiride, etc.
Reason troglitazone was withdrawn from market
Hepatic toxicity
Major side effect of insulin
Hypoglycemia
Common SE of sulfonylureas, repaglinide, and nateglinide
Hypoglycemia
MOA of both generations
Insulin release from pancreas by modifying K+ channels
MOA of repaglinide
Insulin release from pancreas; faster and shorter acting than sulfonylurea
Beta cells are found
Islets of Langerhans
Most important potential SE of metformin
Lactic acidosis
Very rapid acting insulin, having fastest onset and shortest duration of action
Lispro (Humalog)/Apidra (glulisine)
Biguanide
Metformin