Osteoporosis Flashcards
T-score for osteoporosis
-2.5 or less
T-score measured at
spine or hips
risk factors that are due to high osteoclast activity
adrenal gland hyperplasia
glucocorticoids
RA
bone cancer
risk factor that is due to low OPG
postmenopausal women
first line drug in postmenopausal women
bisphosphonates
MoA of bisphosphonates
a) binds to hydroxyapetite which leads to osteoclast apoptosis
b) inhibition of cholesterol biosynthetic pathway important for osteoclast function
bisphosphonates contraindications
severe renal impairment
hypocalcemia
esophageal abnormality
pregnancy
Toxicity of bisphosphonates
esophagitis & esophageal ulcers (Alendronate, risendronate, ibandronate)
osteonecrosis of the jaw
osteomalacia (Etidronate)
renal impairment
alternate drug for postmenopausal women who are intolerant to bisphosphonates
Raloxifene (SERM)
Toxicity of Raloxifene
hot flashes
leg cramps
venous thromboembolism
drug that reduces the risk of breast cancer
Raloxifene
drug for women who are atleast 5 years postmenopausal
Calcitonin
Toxicity of calcitonin
rhinitis
and other nasal symptoms
Denusumab MoA
blocks the binding of RankL to Rank by binding to RankL
recombinant form of PTH
Teriparatide