Diabetes Drugs Flashcards
Sulfonylureas
Glyburide, Glipizide, Glimepiride
Glyburide
Diabeta, Micronase, Glynase
Glipizide
Glucatrol and Glucatrol XL
Glimepiride
Amaryl
Sulfonylurea MOA
secretagogue (by stimulating ATP sensitive K channel)
Sulfonylurea A1C lowering
1.5-1.7
Sulfonylurea place in therapy
2nd line after Metformin
Sulfonylurea dosing
5-20 mg (depending) 15-30 min before meals
Sulfonylurea ADRs
Hypoglycemia and Wt Gain
Biguanide
Metformin
Metformin
Glucophage
Metformin MOA (primary)
Decrease hepatic glucose output (activation of AMPDK)
Metformin MOA (secondary)
Decrease insulin resistance and Decrease absorption of carbs
Metformin A1C lowering
1.5-2%
Metformin CI
Age >80, SCr >1.4-1.5, CHF, COPD
Metformin and contrast dye
dc day of and resume 48 hr post
Metformin ADR
NVD, bloating, flatulance (disappear with slow titration/ lower dose) B12 deficiency, lactic acidosis
Metformin Place in Therapy
First Line
Metformin and Lactic Acidosis
Rare but 50% die, weakness, fatigue, malaise, exhaustion, rapid breathing
Metformin Dose
500 mg QD x7d, 500 mg BID x7d, 1000 QAM and 500 QPM x7d, then 1000mg BID (take with food)
Thiazolidinediones
Pioglitizone and Rosiglitizone
Pioglitizone
Actos
Rosiglitizone
Avandia (only available via REMS)
TZD MOA
Increase insulin sensitivity at the muscle by acting as an agonist on the PPARy which results in glucose uptake (primary) Decrease hepatic glucose output (secondary)
TZD place in therapy
2nd or 3rd line after metformin
Pioglitizone Dose
start: 15mg, then 30 to 45 mg QD no regard to meals
TZD ADRs
Edema, Hypo in combo, Wt. Gain, anemia, elevated liver enzymes
TZD CI
CHF NYHA class III or IV and Liver Disease
TZD A1C lowering
1.5%
TZD effect on lipids
inc HDL, dec LDL
Meglitinides
Repaglinide and Nateglinide
Repaglinide
Prandin
Nateglinide
Starlix
Meglitinides MOA
similar to sulfonylureas, secretagogues. shorter acting. target PPG
Meglitinides CI
T1DM, ketoacidosis