Diabetes PHARM Flashcards
Metformin
Indications
Type 2 DM (non-insulin dependent) A1C > 6.5%
Safe in pregnancy and childhood (A1C > 9%)
PCOS to increase fertility
(insulin insensitivity, increases insulin = increase androgens = decrease fertility)
Metformin
MOA
- GI: Decrease GI absorption of glucose
- Muscle/Fat: Increase insulin sensitivity in periphery
- Liver: Prevents liver from synthesizing glucose (gluconeogenesis, glycogenolysis)
Metformin
SE/AE
- GI: N/V/D/anorexia
- start low, go slow - Macrocytic anemia (absorption vitamin B12 and folic acid inhibited)
- pre-disposed to anemia - Lactic acidosis
- prevent mitochondria from oxidizing lactic acid
Metformin
Pros/Cons
Pros
- Cardioprotective: decrease MI
- Weight neutral
- Low risk hypoglycemia
Cons
- Toxicity (not metabolized, excreted by kidney)
- liver disease
- lactic acidosis
Metformin
Contraindications
- Kidney disease and nephrotoxic medications
- high risk toxicity
- D/C contrast dyes - Liver disease
- high risk toxicity and lactic acidosis - Risk or history of lactic acidosis
- Liver disease
- alcoholism
- hypoxia
- sepsis
PRN medications
Metformin
- Vitamin B12
- Folic Acid
- drink water to flush out
Patient Education
Metformin
- Take PRNs
- vitamin B12
- Folic acid
- monitor S&S anemia - Inform MD before contrast dyes
- Monitor for S&S lactic acidosis
- hyperventilation
- malaise
Metformin
Drug class
Biguanide
Sulfonylureas
Examples
Glyburide
Glimepiride
Glipizide
Insulin secretagogue
Sulfonylureas
Indication
Type 2 DM
non-insulin dependent
*Insulin secretagogues
Sulfonylureas
MOA
- increase insulin secretion
- Blocks K ATPase islet cell
- Depolarization
- influx of calcium
- release of insulin
*Insulin secretagogue
Sulfonylureas
SE/AE
- Hypoglycemia
- increases release of insulin regardless of BG
- *Glyburide > - Hypoglycemic shock
- Weight gain
Sulfonylureas
Con
Weight gain
- increases insulin release
- anabolic hormone
Hypoglycemia
* do not combine with meglitinides or insulin
Cardio- neutral
Sulfonylureas
Contraindications
Liver or kidney disease
- accumulation drug to toxic levels
Hypoglycemia
Pregnancy and breast feeding
Insulin
Rx. Meglitinides (same mechanism, hypoglycemia)
Meglitinide
Examples
RepaGLINIDE
NateGLINIDE
Insulin secretagogues
Meglitinide
Indication
Lower post-prandial glucose
Taken TID with meals
Type 2 DM (non insulin dependent)
*insulin secretagogue
Meglitinide
MOA
*Same as sulfonylureases (faster acting, must be taken with meals)
- Increase insulin secretion
- Block K ATPase
- depolarization
- influx calcium
- release insulin
Meglitinide
SE/AE
Hypoglycemia and hypoglycemic shock
- must be dosed with meals
Meglitinide
Pros/Cons
Cons
- weight gain
- hypoglycemia
- cardio neutral
Meglitinide
Contraindications
- liver and kidney disease
- accumulate to toxic levels - pregnancy and breast feeding
- Rx. Sulfonylureas (glyburide, glimepiride, glipizide) = hypoglycemia
* or insulin - Empty stomach
- insulin dependence (will not work)
Thiazolidinediones
Indicaiton
Type 2 DM (non-insulin dependent)
Thiazolidinediones
Examples
RosiGLITAZONE
PioGLITAZONE
Thiazolidinediones
SE/AE
Rosiglitazide - causes MI
Pioglitazide - Causes congestive heart failure (edema), and fractures
hypoglycemia
liver disease (monitor LFTs 3-6m)
bladder cancer
ovulation and unwanted pregnancies (PRN contraception)
macular degeneration
fractures (PRN vitamin D, calcium, excercise)
Dyslipidemia (high LDL, high HDL, low TG)
Thiazolidinediones
Contraindications and Patient educaiton
- liver disease and kidney disease
- Monitor S&S liver failure, LFT monitoring
- bladder cancer (personal or family history)
- dyslipidemia
- osteoporosis
- PRN Calcium, vitamin D, exercise
- macular degeneration (personal, family history)
- history MI or heart failure
- monitor S&S FVO
- insulin
thiazolidinediones
MOA
Activation peroxisome proliferator activated receptor gamma (PPAR gamma) –> transcription insulin responsive genes
- increase insulin sensitivity MSK/fat
- decrease liver production of glucose
Acarbose
Indication
Type 2 DM
Adjunct medication
Acarbose
MOA
Delays carbohydrate digestion and prevents post-prandial glucose spike
- inhibits alpha glucosidase
- cannot break down disaccharides into monosaccharides for absorption
Acarbose
SE
GI:
Fermentation of disaccharides
Abdominal distention, bloating, gas, cramping, diarrhea
Anemia
- prevents absorption of iron
Liver damage
- LFT monitoring required
Inhibits treatments of hypoglycemia
- do not use disaccharide (use monosaccharide)
Acarbose
Contraindications
Irritable bowel symdrome (IBS)
Irritable bowel disease (IBD)
Liver disease
Anemia
Patient Education
Acarbose
Monitor for S&S anemia
- iron supplement
Monitor for S&S liver disease
- LFT blood monitoring Q3months
Dipeptidyl peptidase 4 Inhibitors (DPP4)
Indication
Type 2 DM
Second line
combined with metformin therapy
Adjunct
- metformin
- sulfonylureas (glyburide, glimepiride, glipizide)
- thiazolidinediones (rosiglitazone, pioglitazone)
Dipeptidyl peptidase 4 inhibitors
Examples
SaxaGLIPTIN
AloGLIPTIN
linaGIPTIN
sitaGLIPTIN
*incretin mimetics
Dipeptidyl Peptidase 4 (DPP4) inhibitor
MOA
Block dipeptidyl peptidase 4 (DPP4), blocks degredation of incretin
Incretin stimulates
1. Insulin release
2. inhibits glucagon release
3. slows gastric emptying
4. inhibits appetite
Dipeptidyl peptidase 4 (DPP4) inhibitor
SE/AE
Saxagliptin - heart failure
weight gain
Upper respiratory tract infections
- nasopharyngitis
Pancreatitis
Hypersensitivity reactions
- angioedema, anaphylaxis, SJS
Dipeptidyl peptidase inhibitor (DPP4)
contraindications
Personal or family history
Pancreatitis
Patient Education
- Monitor S&S URT infection
- Monitor S&S pancreatitis
Heart failure
- saxagliptin
Glucagon Like Peptide 1 Agonist (GLP1 agonist)
Indications
Type 2 DM (non insulin dependent)
Glucagon like peptide 1 receptor agonist (GLP1 receptor agonist)
MOA
Incretin mimetic
*same MOA as DPP4 inhibitors
Increase activity of GLP1
1. increase insulin secretion
2. inhibit glucagon secretion
3. slow gastric emptying
4. decrease hunger
GLP 1 receptor agonist
SE/AE
hypoglycemia (combination)
N/V/D
Antibodies against drug decrease action
Hypersensitivity - angioedema, anaphylaxis
Thyroid cancer, multiple endocrine neoplasia syndrome (MENS2)
Pancreatitis
Kidney failure
Retinopathy with large drop in A1C
Teratogenic
GLP1 receptor agonists
Pros/Cons
Pros
- cardioprotective
- Reduce MACE in individuals with ASCVD and > 60 years
- weight loss
Cons
- subcutaneous injection
- antibodies against drug
- hypersensitivities
- renal failure
- retinopathy
- thyroid / endocrine cancer
- pancreatitis
- teratogenic
Glucagon like peptide 1 receptor agonist (GLP 1)
Examples
LiraGLUTIDE
SEmaGLUTIDE
DulaGLUTIDE
ExenaTIDE
TirzepaTIDE (GIP and GLP1 receptor agonist)
Contraindications
GLP-1 receptor agonists
Dehydration
- increase renal failure
Personal or family history
- thyroid cancer
- pancreatitis
- kidney disease
- retinopathy
Teratogenic
- pregnancy and breastfeeding
Hypersensitivity reactions
Sodium Glucose Co-Transporter 2 (SGLT2) inhibitor
Indication
- HTN
- T2DM
Sodium Glucose Co-transporter 2 (SGLT2) inhibitor
MOA
blocks sodium/glucose re-absorption by the kidney tubules (90%)
Sodium Glucose Co-Transporter 2 (SGLT2) inhibitor
SE/AE
- osmotic diuresis
- dehydration
- polyuria
- polydipsia
- orthostatic hypotension (fall risk) - Hyponatremia
- Glucosuria = UTI
- infections - Bladder cancer (Dapagliflozin)
Sodium Glucose Co-Transporter 2 inhibitor
Contraindications
Kidney failure (GFR < 30mL/min)
Bladder cancer
UTI infections
Benefits
SGLT2 inhibitors
Reduced MACE, HF, nephropathy in patients with ASCVD
weight loss
Sodium Glucose Co-Transporter 2 Inhibitors (SGLT2)
Examples
CanaGLIFLOZIN
DapaGLIFLOZIN
EmpaGLIFLOZIN
Cardioprotective
Anti-hyperglycemics
Metformin
- prevents MI
GLP1 receptor agonists
(semaglutide, liraglutide)
- prevent MACE in > 60 years with ASCVD
SGLT2 antagonists
- prevent HF
- prevent MACE
- nephroprotective