Endo pharm Flashcards
Rapid acting insulins
Lispro, aspart, glulisine
Short acting insulin
Regular
Intermediate acting insulin
NPH
Long acting insulin
Detemir, glargine
Effects of insulin
Liver – increase glucose stored as glycogen
Muscle – increase glycogen, protein synth, K uptake
Fat – increase trig storage
Risks w/ insulin
Hypoglycemia, lipodystrophy
Biguanides example
Metformin
Clinical use of biguanides
T2DM (can cause some wt loss)
MOA of biguanides
Inhibit hepatic gluconeogenesis and action of glucagon via mitochondrial glycerophosphate DHase –> less gluconeogenesis, increased glycolysis, increased peripheral glc uptake, increased insulin sensitivity
ADE w/ biguanides
GI upset, lactic acidosis (rare – but cautin in renal insufficiency)
Sulfonylureas 1st gen examples
Chlorpropamide, tolbutamide
Sulfonylureas 2nd gen examples
Glimepiride, glipizide, glyburide
Shortest half life of SU 2nd gen
Glipizide
Clinical use of SUs
Stimulate release of endogenous insulin in T2DM (req some islet fxn)
MOA of SUs
Close K channel in B cell membrane –> depolarization –> insulin release due to Ca influx
ADE in SUs
Hypoglycemia (worse in renal failure), wt gain
1st gen: disulfiram life rxn
2nd gen: hypoglycemia
Thiazolidinediones examples
Pioglitazone, rosiglitazone
Clinical use of TZDs
Monotherapy in T2DM or combined
Pro to TZDs
Safe in renal impairment
TZD MOA
Regulates PPAR-gamma –> Increased insulin sensitivity in peripheral tissue (upreg of Glut4)
ADE of TZDs
Wt gain (adipocyte maturation), edema, HF, increased risk of fractures
Meglitinides examples
Nateglinide, repaglinide
Clinical use of meglinitides
T2DM
MOA of meglinitides
Stimulate postprandial insulin release by binding K channels on B cell membranes (diff site from SUs)
ADEs of meglinities
Hypoglycemia (worse risk w/ renal failure), wt gain
GLP1 analog examples
Exanatide, liraglutide (SQ)
Clinical use of GLP1 analogs
T2DM
MOA of GLP1 analogs
Increases glucose dependent insulin release, less glucagon release, less gastric emptying, increased satiety (can cause wt loss)
ADE in GLP1 analogs
NV, pancreatitis
DPP4 inhibitors examples
Linagliptin, saxagliptin, sitagliptin
Clinical use of DPP4 inhib
T2DM
DPP4 inhib MOA
Inhibits DPP4 that deactivates GLP1 –> increased glucose dependent insulin release, lower glucagon release, less gastric emptying, increase satiety
ADE in DPP4 inhib
Mild urinary or respiratory infxns
Amylin analog example
Pramlintide (SQ)
Amylin analog clinical use
T1/T2DM
Amylin analog MOA
Less gastric emptying, less glucagon
Amylin analog ADE
Hypoglycemia (mistime prandial insulin), nausea
SGLT2 inhibitor examples
Canagliflozin, dapagliflozin, empaglifozin
SGLT2 inhibitor clinical use
T2DM
SGLT2 inhibitor MOA
Blocks resorption of glc in PCT
ADE of SGLT2 inhibs
Glocusria, UTIs, vaginal yeast infxns, hyperkalemia, dehydration (–>othostatic hypotension), wt loss
alpha glucosidase inhib exmaples
Acarbose, miglitol
alpha glucosidase clinical use
T2DM
alpha glucosidase MOA
Inhibit intestinal brush border alpha glucosidases – delated carb hydrolysis and glc absorption –> lower post prandial hyperglycemia
ADE w/ alpha glucosidase
GI disturbances (short chain carbs fermented by bacteria in colon)
Thioamide examples
PTU, MMI
MOA of thioamides
Block TPO –> no oxidation/organification/coupling in thyroid hormone synth
PTU also blocks peripheral 5’ deiodinase T4–>T3
Clinical use of thioamides
Hyperthyroidism
PTU in 1st tri of pregnancy
MMI in 2-3rd (risk of PTU hepatotox)
ADE w/ thioamides
Skin rash, agranulocytosis (rare), aplastic anemia, hepatotox (PTU), MMI is a possible teratogen (aplasia cutis), drug induced lupus/ANCA vasculitis (PTU)
Levothyroxine, triiodothyronine MOA
thyroid hormone replacement
Clinical use of thyroid hormones
Hypothyroidism, myxedema (beware people using as wt loss supplements)
ADE of thyroid hormones
tachycardia, heat intolerance, tremors, arrhythmias
ADH antagonist exmaples
Conivaptan, tolvaptan
Clinical use of ADH antagonists
SIADH, block actin of ADH at V2
Desmopressin acetate clinical use
Central (NOT NEPHRO) DI, von Willebrand disease (extra renal V2 receptors regulate clotting factors), sleep enuresis
GH clinical use
GH deficiency, Turner
Oxytocin clinical use
Stimulates labor, uterine contractions, mile let-down, controls uterine hemorrhage
Somatostatin (octreotide) clinical uses
Acromegaly, carcinoid syndrome, gastrinoma, glucagonoma, esophageal varices, somatostatinoma
Demeclocycline MOA
ADH antagonist (member of tetracyclines)
Demeclocyline clinical use
SIADH
Demeclocycline adverse effects
Nephrogenic DI, photosens, abnormalities of bone/teeth
Fludrocortisone MOA
synthetic analog of aldo w/ some glucocorticoid effects
CLinical use of fludrocortisone
Mineralocorticoid replacement in 1o adrenal insuff
Adverse effects of fludrocortisone
Similar to glucocorticoids but also edema, exacerbation of heart failure, hyperpigmentation
Cinacalcet MOA
Sensitizes Ca sensing receptor (CaSR) in parathyroid to circulating Ca –> lower PTH
Clinical use of cinacalcet
1o or 2o hyperparathyroidism
ADE of cinacalcet
Hypocalcemia