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sulfonylureas
MOA - stumlate pancreatic secretion of insulin in a glucose-INDEPENDENT manner
dec. FPG > PPG
HbA1c - 1-2%
AE: Hypoglycemia - wt gain - SIADH - HYPERinsulemia
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Acetohexamide
brand - Dymelor
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Chlorpropamide
Brand - Diabinese
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Tolazamide
Brand - Tolinase
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Tolbutamide
Brand - Orinase
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Glimepiride
Brand - Amaryl
Max. Dose - 8mg/day
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Glipizide
Brand - Glucatrol (XL)
App. Max Dose = 40 mg/day
XL Max Dose = 20 mg/day
- DI: INC. Hypogylcemia = salicylates, SMP_TMZ, miconazole
- DEC. Hypoglycemia = Cholestyramine, rifampin
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Glyburide
- Brand - Diabeta & Micronase
- Micronized - Glynase
AMD - 20 mg/day
Glynase - AMD - 12 mg/day
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Non-Sulfonylurea Secretagogues
MOA - Stimulate insulin secretion in a glucose-DEPENDENT manner
OMIT dose if miss a meal
AE: Hypoglycemia, Wt. gain, Inc. LFT, safe for pts in renal/hepatic failure
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Neteglinide
Brand - Starlix
PPG
HbA1c - 0.6-0.8%
Dose: 120mg/day TID
NO dose titration
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Repaglinide
Brand - Prandin
PPG
HbA1c - 1.5%
- Dose - Max (16mg/day)
- A1c <8% = 0.5mg before meals
- >8% 1-2mg before meals
MED - 2 mg w each meal
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Metformin
Brand - Glucophage (XR) & Fortamet
- MOA - Reduce hepatic glucose production
- Reduce Intestinal absorption of glucose
- Inc. peripheral glucose uptake (Improves insulin sensitivity)
HbA1c = 1-2%
FPG
- AE & CI = Unstable w/ CHF
- -NO wt gain, hyperinsulemia or hypoglycemia
- -Lactic Acidosis = Scr >1.5 (males) >1.4 (females)
- -Malabsorption of B12 and Folate
- -STOP before radiology and do not resume for 48 hrs
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Alpha - Glucosidase Inhibitors
MOA -Delay digestion of carbs and absorption of glucose => reduce PPG
Take with first bite of meals
HbA1c - 0.5-0.8%
- - High incidence of GI SE
- - Increase in LFTs (Acarbose)
- - Not metabolized and cleared by kidney (Miglitol)
- - IF hypoglycemia - GLUCOSE TABS
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Acarbose
Brand - Precose
- Indication - adjunct to diet or in combo. w sulfonylureas, metformin, or insulin.
- - Inc. LFTs occur at doses > 150mg/day
CI - Pts with Scr > 2.0 mg/dL
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Miglitol
Brand - Glyset
Indication - Adjunct to diet or in comno with sulfonylureas
Not metabolized and cleared by kidney
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Thiazolidinediones (TZD) = Glitazones
- MOA - Dec. insulin resistence by stimulation PPAR-Gamma
- - Dec. hepatic gluconeogensis
- HbA1c = 0.5-1.4%
- FPG, PPG
- - up to 3 months to see full effect
- - NOT for T1DM
- AE - wt gain, Edema, Dec. Hct and Hb, hepatotoxicity - FRACTURES in women
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Rosiglitazone
Brand - Avandia
dose = 4-8 mg
- - Does NOT inhibit any major CYP enzyme
- Gemfibrozil - (Dec. dose)
- - Do NOT give w Insulin or Nitrates
- - BBW - Inc. myocardial events
- - Inc. TG and LDL
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Pioglitazone
Brand - Actose
- dose = 15-15 mg
- - can inc. HDL
- DI- Inducer of CYP3A4
- - ketoconazole inc. [ ]
- - Dec. plasma conc. of BC
- - Gemfibrozil - (dec. dose)
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DPP-4 Inhibitors
- MOA - Increase insulin --> glucose-DEPENDENT
- - Decrease glucagon
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Sitagliptan
Brand - Januvia
- HbA1c - 0.6-1%
- PPG
- - 100mg QD
- AE: Wt neutral, Steven Johnsons Syndrome (rash)
- Adjust dose in renal failure
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Saxagliptan
- Indication = >18 YO w T2DM
- Brand - Onglyza
- -Metabolized by CYP3A 4/5
- - Dose on renal funcation
- - NO CI'S
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Exenatide
- MOA = Incretin Mimetic
- Brand - Byetta
- AE - wt loss, hypoglycemia, Pancreatitis, do NOT sub. for insulin, Dec. absorption of oral drugs
- CI - ESRD or CrCl < 30ml/dL
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Liraglutide
- MOA - GLP-1 Analogue
- Brand - Victoza
- NOT 1st line Tx
- WARNING - thyroid c-cell tumors
- - Pancreatitis
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Pramlintide
- MOA - Synthetic analogue of human Amylin
- Brand - Symlin
- **Tx for BOTH Type 1/2 DM pts
- HbA1c - 0.5-0.7%
- PPG
- - NEVER mix with insulin
- - NO Hypoglycemia (when used alone)
- - Not for pts w poor compliance
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