MSK, Skin, CT drugs Flashcards
(39 cards)
Enzyme that synthesizes leukotrienes
5-lipoxygenase
Zileuton drug MOA
Inhibits 5-lipoxygenase
Glucocorticoids MOA
Inhibit Phospholipase A2 and NF-k-beta
Celecoxib MOA
COX-2 inhibitor
Aspirin MOA
Irreversibly inhibits COX-1 and COX-2
Mechanism of NSAIDs
Inhibit COX-1 and COX-2 by covalent acetylation
Epoprostenol MOA
Decreases platelet aggregation and vascular tone
Alprostadil MOA
Decreases vascular tone
Dinoprostone MOA
Increases uterine tone
Carboprost MOA
Increases uterine tone
Acetaminophen MOA
Reversibly inhibits COX mostly in CNS
Acetaminophen hepatic necrosis MOA
Metabolite NAPQI depletes glutathione
Treatment for acetaminophen toxicity
N-acetylcysteine - regenerates glutathione
Leukotriene receptor antagonist
Montelukast and Zafirlukast
Celecoxib side effects
Increased risk of thrombosis; sulfa allergy
Celecoxib indications
RA and OA
Leflunomide MOA
Reversibly inhibits dihydroorotate dehydrogenase preventing pyrimidine synthesis suppressing T-cell proliferation
Leflunomide indications
RA and psoriatic arthritis
Leflunomide side effects
Diarrhea, HTN, hepatotoxicity and teratogenicity
Bisphosphonates MOA
Pyrophosphate analogs bind hydroxyapatite in bone and inhibit osteoclasts (anti-resorptive)
Bisphosphonate indications
Osteoporosis, hypercalcemia, Paget disease, osteogenesis imperfecta, metastatic bone disease
Bisphosphonate side effects
Esophagitis, osteonecrosis of jaw, atypical stress fractures
Teriparatide MOA
Recombinant PTH analog increases osteoblast activity (increases bone growth)
Teriparatide indications
Osteoporosis