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Pharmacology
N/A
101
Medical
Professional
08/11/2011

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Cards

Term
treatment for DM 1
Definition
insulin
Term
secretagogues
Definition
sulfonylureas
meglitinides
Term
glyburide, glipizide, glimepiride
Definition
sulfonylureas
Term
repaglidine, nateglinide
Definition
meglitidines
Term
biguinides
Definition
metformin
Term
rosiglitazone, pioglitazone
Definition
TZDs
Term
acarbose, miglitol
Definition
alpha-glucosidase inhibitors
Term
What type of oral diabetic agents are inexpensive and used to be first line treatment?
Definition
sulfonylureas
Term
Why can sulfonylureas be problematic in elderly patients?
Definition
long acting
(elderly have slower metabolism)
Term
sulfonylureas mechanism of action
Definition
stimulate insulin secretion from pancreatic beta cells
Term
side effects of sulfonylureas
Definition
hypoglycemia
weight gain
Term
Why are 1st generation sulfonylureas not used much anymore?
Definition
lots of drug interactions
Term
Sulfonylureas are often used...
Definition
in combination with other drugs
Term
contraindications for sulfonylureas
Definition
ketoacidosis or diabetic coma
known hypersensitivity to this class
Term
black box warning for sulfonylureas
Definition
cardiovascular disease (may increase cardiovascular mortality)
Term
mechanism of action of other secretagogues
Definition
bind to sulfonylurea receptor to get the same effect as sulfonylureas
Term
What is a main different between sulfonylureas and other secretagogues?
Definition
other secretagogues are short acting
Term
When would another secretagogue not be effective?
Definition
when sulfonylureas have already been used and were not effective
Term
side effects of other secretagogues
Definition
hypoglycemia
weight gain
Term
contraindications for other secretagogues
Definition
DM-1
diabetic ketoacidosis
Term
Which secretagogues might be better to use in the elderly and why?
Definition
repaglinide or nateglinide
because they are short acting
Term
Why is metformin such a good drug?
Definition
does not cause hypoglycemia
Term
mechanism of action for metformin
Definition
-decreases hepatic gluconeogenesis
-decreases GI absorption of glucose
-increases glucose intake by skeletal muscle
Term
side effects of metformin
Definition
GI disturbance (dose related)
weight loss
Term
contraindications for metformin
Definition
renal dysfunction
CHF
metabolic acidosis
Term
black box warning for metformin
Definition
lactic acidosis

monitor creatinine in all pts, check GFR in elderly pts, beware in CHF
Term
What oral diabetic agents do not cause hypoglycemia?
Definition
biguanides
thiazolidinediones (TZDs)
alpha-glucosidase inhibitors
Term
mechanism of action for TZDs
Definition
increase insulin sensitivity in muscle, liver, and adipose tissue

decrease insulin resistance
Term
black box warning for TZDs
Definition
warning in CHF (contraindicated for class III and IV)

myocardial ischemia
Term
side effects of TZDs
Definition
change in serum lipids (LDL and HDL)
macular edema
Term
What do you need to monitor before and during treatment with a TZD?
Definition
HbA1c and transaminases (ALT, AST)
Term
What is the main use for alpha-glucosidase inhibitors?
Definition
increased post-prandial glucose
Term
mechanism of action for alpha-glucosidase inhibitors
Definition
decrease glucose absorption
decrease post-prandial glycemic excursion
Term
side effects of alpha-glucosidase inhibitors
Definition
GI disturbance
Term
contraindications for alpha-glucosidase inhibitors
Definition
ketoacidosis
GI problems
kidney/liver disease
Term
What is the problem with oral diabetic combination meds?
Definition
if pt has a reaction, you don't know which med caused it
Term
incretins
Definition
GIP
GLP-1
Term
actions of incretins
Definition
-stimulate insulin release in the presence of glucose
-slow gastric emptying
-suppress inappropriate glucagon secretion
-enhance satiety
Term
mechanism of action for DPP-4 inhibitors
Definition
slow incretin metabolism which increases insulin synthesis/release and decreases glucagon levels
Term
sitagliptin, linagliptin
Definition
DPP-4 inhibitors
Term
What kind of HbA1c decrease will you typically see with a DPP-4 inhibitor alone and with metformin?
Definition
0.5% alone
almost 2% with metformin
Term
What risk is there with DPP-4 inhibitors?
Definition
pancreatitis

If pt. comes in with abdominal or back pain and they are on a DPP-4 inhibitor, get an amylase and lipase to check for pancreatitis.
Term
exenatide
Definition
incretin mimetic
Term
liraglutode (Victoza)
Definition
GLP-1 receptor agonist
Term
side effects with liraglutode
Definition
hypoglycemia with secretagogues
pancreatitis
Term
black box warning for liraglutide
Definition
thyroid C-cell tumors in rats and mice; hyperplasia observed in humans
Term
contraindications for liraglutide
Definition
PMHx or FHx of MTC or MEN-2
Term
Where is insulin made?
Definition
pancreatic beta cells (islet of Langerhans)
Term
Insulin is catabolized by the _______ and _______.
Definition
liver and kidney
Term
Insulin binds to insulin receptors in the _______, ______ and _____.
Definition
liver, muscle, and fat
Term
action of insulin
Definition
-promotes fuel storage
-prevents breakdown and release of stored fuel
Term
caution with insulin
Definition
interacts with many other meds
Term
What site of administration of SC insulin yields the fastest absorption?
Definition
abdomen (not within 2 inches of umbilicus)
Term
When might IV insulin be used?
Definition
emergency situations (ketoacidosis)
Term
major side effect of insulin
Definition
hypoglycemia
Term
What oral diabetic agent cannot be used with insulin?
Definition
rosiglitazone (Avandia)--TZD
Term
What must you watch when treating DKA with insulin?
Definition
potassium
Term
aspart novolog, lispro humalog, glulisine apidra
Definition
rapid acting insulins
Term
regular insulin
Definition
short acting
Term
NPH insulin
Definition
intermediate acting
Term
glargine lantus, detemir levemir
Definition
long acting insulin
Term
What combination of insulin is usually best?
Definition
70% NPH and 30% regular
Term
treatment of hypoglycemia
Definition
oral glucose
rectal glucose
glucagon
D-50
Term
levothyroxine
Definition
synthetic T4
Term
Levothyroxine is converted to ____ intracellularly.
Definition
T3
Term
dosing of levothyroxine
Definition
once daily (half life of 7 days)
take on empty stomach
Term
cytomel
Definition
synthetic T3
Term
Thyroid meds promote __________.
Definition
osteoporosis
Term
contraindications for levothyroxine
Definition
untreated thyrotoxicosis
acute MI
hypothyroidism with untreated Addison's
Term
treatment of hyperthyroidism
Definition
thioamides
adrenergic blocking agents (propranolol)
removal of all or part of thyroid
Term
mechanism of action for thioamides in hyperthyroidism
Definition
inhibit thyroid hormone synthesis
Term
mechanism of action for adrenergic blocking agents in hyperthyroidism
Definition
blunt sympathetic stimulation caused by hyperthyroidism
Term
drug of choice for hyperthyroidism
Definition
methimazole (Tapazole)
Term
methimazole (Tapazole)
Definition
thioamide
Term
propylthiouracil (PTU)
Definition
thioamide
Term
What is the preferred treatment of hyperthyroidism in pregnancy (especially in the 1st trimester)?
Definition
PTU
Term
major side effect of thioamides
Definition
agranulocytosis
Term
What class of drugs are mainstay for osteoporosis treatment?
Definition
bisphosphonates
Term
alendronate, risedronate, ibandronate
Definition
bisphosphonates
Term
special instructions for taking oral bisphosphonates
Definition
take on empty stomach
Term
raloxifene (Evista)
Definition
SERM (selective estrogen receptor modulator)
Term
mechanism of action for bisphosphonates
Definition
inhibit bone resorption by osteoclasts
Term
contraindications for bisphosphonates
Definition
if pt is unable to remain upright for 30-60 min after taking medication
Term
contraindications for androgens
Definition
breast or prostate cancer
Term
major side effect of androgens
Definition
increases LDL and decreases HDL which increased risk of CAD
Term
finasteride (Proscar, Propecia)
Definition
5 alpha reductase inhibitor
for BPH and male androgenic hair loss
Term
mechanism of action for finasteride
Definition
blocks conversion of testosterone to dihydrotestosterone
Term
actions of progestins
Definition
-promote endometrial growth to support embryo implantation
-inhibit ovulation during 2nd half of menstrual cycle
Term
major side effect of progestins
Definition
thrombophlebitis
pulmonary embolism
Term
mifepristone
Definition
anti-progesterone
Term
contraindications for mifepristone
Definition
IUD in place
ectopic or adnexal mass
clotting problems
LT steroid use
porphyria
Term
contraindications for estrogens
Definition
thromboembolic disorders
Term
side effects of estrogens
Definition
-nausea/vomiting
-increased risk of endometrial hyperplasia/cancer
-increased risk of DVT
Term
clomiphene (Clomid)
Definition
anti-estrogen
induces ovulation
Term
tamoxifen (Nolvadex)
Definition
anti-estrogen
used in breast cancer
potent anti-estrogen effects
Term
What positive side effects do SERMs have?
Definition
improve lipid profile
decrease bone resorption
decrease breast cancer risk
Term
What anti-inflammatory actions do corticosteroids have?
Definition
-decrease inflammatory response and suppress immunity
-decrease and inhibit peripheral lymphocytes and macrophages
Term
What effects on other systems do corticosteroids have?
Definition
-exacerbation of peptic ulcers
-mental status changes
-bone loss and myopathy with chronic use
Term
side effects of long-term glucocorticosteroid use
Definition
osteoporosis
impaired wound healing/increased risk of infection
peptic ulcers
psychoses
Term
action of dexamethasone in normal patients
Definition
suppresses ACTH and CRH
lowers serum cortisol
Term
uses for desmopressin (DDAVP)
Definition
anti-diuretic for diabetes insipidus and nocturnal enuresis
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