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100 Cards in this Set

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Bisphosphonates: MOA

Form stable bond w/bone to prevent osteoclast binding and resorption

Bisphosphonates: examples

- dronates (Zoledronic acid = most potent)

Bisphosphonates: AEs

- Esophagitis (PO prep): take on empty stomach w/full glass of water


- Transient acute phase reaction (IV prep): flu-like symtoms


- Hypocalcemia, cardiac arrhythmias


- Osteonecrosis of jaw


- Atypical fractures


- Contraindicated in renal failure

Denosumab: MOA

Monoclonal antibody against RANK --> inhibit osteoclast activity

Denosumab: AEs

- Hypocalcemia


- Eczema


- More prone to bacterial infections requiring hospitalization


- Neoplastic complications

PTH analog: examples

Teriparatide

PTH analog: MOA

Paradoxically increases bone formation and osteoblast activity when administered at fluctuating levels

PTH analog: inications

Severe ostoeporosis, with:


- Severely depleted bone density (T score < -3.5 stdevs)


- Multiple risk factors


- History multiple osteoporotic fractures

PTH analog: AEs

- Hypercalcemia


- Uric acid stones, gout


- Headache


- Bon cancer: 2 year limit treatment duration


- Contraindicated with comorbid bone disease, hypercalcemia gout, renal stones, renal/cardiac/hepatic patients

Calcitonin: indications

Osteoporosis, hypercalcemic crisis

Calcitonin: MOA

Counterregulatory to PTH:


- Inhibits osteoclast activation and activity


- Increase intestinal calcium excretion in intestine

Calcitonin: AEs

- Epistaxis/rhinorrhea


- Nausea/vomiting


- Facial swelling


- Allergies

Selective estrogen receptor modulators (SERMs): examples

Raloxifene for osteoporosis


Tamoxifen for breast cancer

Selective estrogen receptor modulators (SERMs): MOA

Have mixed estrogen antagonism (breast, ovary) and agonism (MSK, adipocytes)

Calcimimietics: examples

Cincalet

Calcimimietics: indications

- Parathyroid cancer


- Secondary hyperparathyroidism


- Parathyroidectomy is contrainidcated

Calcimimietics: MOA

Increases sensitivity of parathyroid calcium receptor --> decreased PTH secretion

Name all the classes of pharmacologic agents for osteoporosis/hyperparathyroidism

1. Bisphosphonates


2. Denosumab


3. Calcitonin


4. Recombinant PTH


5. Selective estrogen receptor modulator


6. Calcimimetic agent


7. Estrogen (fallen out of favor)

Diazoxide: indications

Insulinoma, congenital hyperinsulinemia

Diazoxide: MOA

Primary mechanism: Maintains open ATP-sensitive K+ channel --> decreased insulin production



Secondary mechanisms:
- Decreases peripheral sensitivity to insulin


- Increases catecholamine release

Diazoxide: adverse effects

- Fluid retention


- Hypertrichosis


- Coarse facies

Glucagon: indications

Continuous infusion for newly diagnosed hypoglycemia in newborns

Ocreotide: indications

Bridge for surgery for insulinoma

Ocreotide: MOA

Synthetic somatostatin

Streptozocin

Cytotoxic damage to pancreatic beta-cells for the treatment of hyperinsulinemia

List all of the pharmacolgoic agents for hypoglycemia

1. Glucagon


2. Diazoxide


3. Ocreotide


4. Streptozocin

Ocreotide: AEs

- Inhibits HPA/HPT axes


- Decreased splanchnic circulation


- Decreased gallbladder contractility, cholecystitis

List the pharmacologic options for SIADH

Vasopressin antagonists:


- Lithium


- Demeclocycline


- Covaptan


- Tolvaptan

Dopamine agonists: indications, examples and pros/cons of each

Indications: prolactinoma


Bromocriptine: better in pregnancy, #1 choice in infertility


Cabergoline: better tolerated, valvular heart disease in higher (Parkinson's) doses

Somatostatin agonists: indications

- Acromegaly


- TSH-secreting tumors


- GI endocrine tumors

Somatostatin agonists: examples

- reotides

Somatostatin agonists: AEs

Gallstone and gallbladder "sludge" w/chronic use

Growth hormone antagonists: indications

Acromegaly

Growth hormone antagonists: examples

Pegvisomant

Growth hormone antagonists: MOA

Prevent dimerization of growth hormone receptor

Thionamines: examples and advantages of each

Methimazole (increased potency and DOA), Propylthiouracil (better in pregnancy

Thionamines: MOA

Primary: interfere with synthesis of thyroid hormone


Secondary: may have immunomodulatory functions. Also weakly inhibit T4 --> T3 conversion

Thionamines: AEs

- Mild: GI upset, taste disturbances, skin rash


- Hepatitis (PTU)


- Birth defects (Methimazole)


- Agranulocytosis


- Lupus/vasculitis like symptoms

Iodine-131: MOA

Radioactive tissue damage and inflammation to thryoid --> diminished thyroid function

Iodine -131: AEs

- Hypothyroidism


- Radiation thyroiditis


- Adverse effects on pregnancy/lactation/fertility


- Higher risk of cancer

Drugs used in hyperthyroid emergencies

1. T4


2. IV hydrocortisone


3. High dose iodine (Wolff-Chaikoff effect)

T4 AKA

Levothyroxine

Levothyroxine: dosing considerations

1. Increase with weight gain


2. Increase dose with pregnancy (increased requirements)


3. Increase dose w/estrogen (upregulates thyroid binding globulin)


4. Increase dose with Fe, Ca2+, soy (decrease absorption)


5. Increase dose with phenytoin/rifampin (inducers of hepatic metabolism)

Outline the treatment approach to pheochromocytoma

Alpha antagonism (phenoxybenzamine):
Alpha-1 antagonism: decreases PVR


Alpha-2 antagonism: increases insulin synthesis



Beta antagonism (Propanolol)


Beta-1 antagonism: negative chromotrope/inotrope


Beta-2 antagonism: adverse effects = vasoconstriction, bronchoconstriction



Alpha before beta always to prevent hypertensive crisis



Supplement w/Metyrosine, which blocks first step in catecholamine synthesis (tyrosine hydroxylase)



Medical treatment for 10 days, followed by surgical resection of pheo

Types of human insulin

1. Regular human insulin


2. NPH

Types of analog insulin

Long-acting (18-24 hrs): Determir, Glargine


Short-acting (4 hours -best used post-prandially): Asparat, Lispro, Glulisine

Type I DM insulin regimens

1. 1x or 2x daily long-acting analog insulin + postprandial short-acting analog insulin



2. NPR/insulin mixed x2/day,but leaves lunchtime hyperglycemia uncovered and is generally less predictable/preferable

Type II DM insulin regimens

Begining: single bedtime injection of Glargine

Insulin AEs

1. Hypoglycemia (more common in human insulin than analogs)


2. Weight gain


3. Lipohypertrophy at injection site that impairs absorption; rotate injection sites


4. Development of insulin antibodies --> inactivation , hypersensitivity

Most efficacious diabetes pharmacological agents for better glycemic control?

- Insulin


- Metformin


- Sulfonylureas

Cheapest diabetes medications


Metformin & Sulfonylureas

Combining diabetes meds

Combine at your leisure - except Sulfonylureas and short-acting insulin secretagoes (same MOA --> severe hypoglycemia)

Indications for obesity pharmacotherpay

BMI > 30 or BMI > 27 w/comorbidities

Name the non-insulin DM injectibles

Pramlintide (TI and severe TII DM)


GLP-1 agonists (TII DM)

Pramlintide: indications

TIDM, advanced TIIDM

Pramlintide: MOA

Amylin analog; prevents tendency of endogenous amylin to aggregate and become inactive. Same actions as endogenous amylin: decreases postprandial glucagon and slows gastric empyting.

Pramlintide: AEs

1. Hypoglycemia (decrease insulin by 50%)


2. Nausea (titrate dose)


3. Adds x3/day injections and can't be mixed w/insulin

Sulfonylureas: MOA

Closes ATP-sensitive K+ channel in beta pancreatic cell --> increases insulin secretion

Sulfonylureas: examples

Glyburide, Glipizide, Glimepiride

Sulfonylureas: AEs

1. Weight gain


2. Hypoglycemia (esp. Glyburide)

Short-acting secretagogues: MOA

Close ATP-sensitive K+ channels in pancreatic beta-cells to increase insulin production (same as sulfonylureas, but with shorter binding times)

Short-acting secretagogues: indications

Post-prandial administration for type II diabetes

Short-acting secretagogues: AEs

- Weight gain


- Hypoglycemia (less than Sulfonylureas)

Biguanides: examples

Metformin

Biguanides: MOA

Major: decrease hepatic gluconeogeneis


Minor: increase skeletal muscle and adipocyte sensitivity to insulin



Neither is very well understood.

Biguanides: AEs & contrainidications

AEs:
- GI distress (titrate & take w/food)


- Lactic acidosis (advanced age, renal failure)



Contraindications:


- Renal insufficiency


- Decompensated heart failure


- Hepatic dysfunction/alcohol abuse


- Hold for hospitalization and contrast for imaging


- Acute/chronic metabolic acidosis, including DKA

TZDs: examples

-glitazones

TZDs: MOA

Bind to PPAR-gamma transcription factor to induce transcription of proteins that promote adipocyte and muscle insulin sensitivity

TZDs: AEs

- Cardiac: fluid retention/edema, congestive heart failure (esp. in conjunction w/insulin)


- Increased risk of fractures


- Increased risk of bladder cancer

Biguanides: indications

- Type II DM (first-line)


- Pre-diabetes


- PCOS

Alpha-glucosidase inhibitors: examples

Acarbose, Miglitol

Alpha-glucosidase inhibitors: MOA

Competitively inhibits alpha-glucosidase in the brush border of the intestine, delaying the breakdown of polysaccharides to monosacchardies and thus slowing post-prandial glucose absorption.


Also inhibits pancreatic alpha-amylase

Alpha-glucosidase inhibitors: AEs

Flatulence

DPP-IV inhibitors: examples

- gliptins

DPP-IV inhibitors: MOA

Inhibit DPP-IV and thus prevent the breakdown of GLP-1

DPP-IV inhibitors: AEs

- Increased rate of nasopharyngeal infections/URIs


- Pancreatitis

Colesevelam: MOA

Binds bile-acid resins

Colesevelam: indication

TIIDM, high LDLs

Colesevelam: AEs

- Constipation


- Hypertriglyceridemia


- Decreased absorption of fat-soluble vitamin,s Levothyroxine, and OCPs`

Name all DM TII oral agents

1. Sulfonylureas


2. Short-acting insulin secretagogues


3. Biguanides


4. TZDs


5. Alpha-glucosidase inhibitors
6. DPP-IV inhibitor


7. Colesevelam


8. Bromocriptine


9. SGLT-2 Inhibitors

Bromocriptine: indications

TIIDM, Prolactinimoa

Bromocriptine: MOA

Dopamine agonist that modulates metabolism through insulin-independent pathways

Bromocriptine: AEs

- Nausea


- Dizziness, orthostasis


- Somnolence


- Aggravation of psychosis


- Drug interactions

SGLT-2 Inhibitors: Examples

- glifozins

SGLT-2 Inhibitors: MOA

Encourage glucose excretion by inhibiting sodium glucose linked transporter 2 in PCT of kidneys

SGLT-2 Inhibitors: AEs

- Dehydration w/slight lowering of BP


- Increased risk for UTIs


- Increased LDL cholesterol


- Weight loss

GLP-1 Agonists: examples

Exenatide, Liraglutide

GLP-1 Agonists: MOA

GLP-1 activity w/resistance to DPP-IV

GLP-1 Agonists: Aes

- Nausea (less w/Liraglutide)


- 1-2x daily injections


- Pancreatitis (Liraglutide)


- Contrainidicated in medullary thyroid cancer (Liraglutide)

Name the pharmacological agents for treating obesity

1. Orlistat


2. Locaserin


3. Phentermine


4. Metormin

Orlistat: Indications

Long-term treatment of obesity. Also helps with hyperlipidemia, hypercholesterolemia and type II DM

Orlistat: MOA

Inhibits GI lipase --> malabsorption of fats

Orlistat: AEs

- Flatulence


- Incontinence


- Increased defecation, steatorrhea


- Abdominal cramps


- Fat soluble vitamin deficiency

Orlistat: Efficacy

5% more weight loss when compared w/placebo

Locaserin: indications

Long-term treatment of obesity

Locaserin: MOA

Appetite suppression via central serotonin 2C modulation

Locaserin: AEs

- Headache


- Dry mouth


- Contraindicated in renal insufficiency, mood disorders and pregnancy

Phentermine: Indications

Short term treatment of obesity (max 12 weeks)

Phentermine: MOA

Sympathomimetic NE/dopamine uptake inhibitor

Phentermine: AEs

- Highly addictive, tolerance-building


- Overstimulation, euphoria, dysphoria


- HTN, tachycardia