osteoporosis Flashcards
osteoporosis is Characterized by what?
Characterized by a reduction in bone density and structure, this disease increases the risk for fracture
what gender is osteoporosis commonly seen in? it affects this gender how much more than the other?
Commonly seen in post-menopausal women vs age-related senile causes; both affect females 2x more than males
iatrogenic causes of osteoporosis
Iatrogenic causes include steroids, some anti-epileptic agents, anticoagulents, PPI’s, thiazolidinediones and lithium
what type of therapy is useful with pts with prior fractures?
bisphosphonate
what drug is indicated for osteoporosis?
alendronate
INDICATION Osteoporosis *Paget’s Bone Dz DOSING [5-70mg] 35-70 mg qwk *40 mg qd x 6 mo
alendronate
moa of alendronate
CLINICAL PHARMACOLOGY
Nitrogenous Bisphosphonate
Mechanism of Action
Having a strong affinity for Ca2+, these drugs accumulate in bone where, upon ingestion by osteoclasts, they inhibit the HMG-CoA reductase pathway and leads to cell death, reducing bone resorption and turnover (bisphosphonate)
adverse effects of alendronate
ADVERSE EFFECTS Common: Photosensitivity SERIOUS ADVERSE EFFECTS Hypersensitivity: Angioedema Ocular: Uveitis, scleritis
drug interactions of alendronate
NSAID (additive GI irritation)