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35 Cards in this Set
- Front
- Back
Lipoxygenase pathway yields
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Leukotrienes
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This leukotriene is a neutrophil chemotactic agent
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LTB4
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These three leukotrienes promote bronchoconstriction
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LTC4, LTD4, LTE4
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Corticosteroids inhibit both
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Phospholipase A2 and synthesis of COX-2
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Another name for PGI2
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Prostacyclin
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____ inhibits platelet aggregation and promotes vasodilation
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PGI2
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Ketorolac is this type of medicine?
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NSAID
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Used to close a PDA
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Indomethacin
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5 toxicities of NSAIDs
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Renal damage
Fluid retention Aplastic anemia GI distress Ulcers |
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2 toxicities from COX-2 inhibitors
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Increased risk of thrombosis
Sulfa allergy |
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Overdose of acetaminophen produces
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Hepatic necrosis
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Antidote for acetaminophen overdose (and mechanism)
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N-acetylcysteine (regenerates glutathione)
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Etidronate, pamidronate, alendronate, risedronate, and zoledronate are
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Bisphosphonates
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Mechanism of bisphosphonates
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Inhibit osteoclastic activity
Reduce both formation and resorption of hydroxyapatite |
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3 uses of bisphosphonates
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Malignancy-associated hypercalcemia
Paget's disease of bone Postmenopausal osteoporosis |
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4 toxicities of bisphosphonates
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Corrosive esophagitis (except zoledronate)
Nausea Diarrhea Osteonecrosis of the jaw |
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3 drugs for gout
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Colchicine (acute gout; alternative is indomethacin)
Allopurinol (chronic gout) Probenecid (chronic gout) |
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Mechanism of colchicine
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Binds and stabilizes tubulin to inhibit polymerization, impairing leukocyte chemotaxis and degranulation
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Mechanism of allopurinol
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Inhibits xanthine oxidase, decreasing conversion of xanthine to uric acid
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Mechanism of probenecid
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Inhibits reabsorption of uric acid in PCT (and secretion of penicillin)
Is a uricosuric |
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Side effect of colchicine
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GI side effects
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Additional usage of allopurinol
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In lymphoma and leukemia to prevent tumor lysis associated urate nephropathy
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Allopurinol increases the concentrations of these 2 drugs
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Azathioprine and 6-MP (both normally metabolized by xanthine oxidase)
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Drug not to give in gout
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Salicylates (all but highest doses depress uric acid clearance w/ minor uricosuric activity)
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3 TNF-alpha inhibitors
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Etanercept
Infliximab Adalimumab |
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Etanercept is a
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Recombinant form of human TNF receptor that binds TNF (soluble form w/ Fc Ig)
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Chimeric anti-TNF Ab
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Infliximab
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Human anti-TNF Ab
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Adalimumab
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All TNF-alpha inhibitors should be given with
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MTX
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3 TNF-alpha inhibitors
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Etanercept
Infliximab Adalimumab |
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Etanercept is a
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Recombinant form of human TNF receptor that binds TNF (soluble form w/ Fc Ig)
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Chimeric anti-TNF Ab
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Infliximab
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Human anti-TNF Ab
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Adalimumab
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All TNF-alpha inhibitors should be given with
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MTX
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TNF alpha inhibitor that predisposes to infections (e.g. reactivation of latent TB)
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Infliximab
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