Inflammatory Drugs Flashcards
Methotrexate
DMARD
MOA- inhibits DHF reductase
Hydroxychloroquine
DMARD
MOA- stabilizes lysosomes and decreases chemotaxis
Side effects: Cinchinism and G6PD def. hemolysis
Sulfasalazine
DMARD
MOA- COX2 inhibitor
Corticosteroids
MOA- inhibits PLA2 to decrease LTs, IL-2, and PAF
Gold Salts
DMARD
MOA- decrease lysosomal and macrophage function
Side effects- bone marrow depression
D-Penicillamine
DMARD
MOA- suppress T cells and RF
Side effects- aplastic anemia and myesthenia gravis
Cyclophosphamide
DMARD
MOA- alkylating agent
Side effects- Hemorrhagic cystitis
Azathioprine
DMARD
MOA- inhibits purine synthesis (immunosuppressant)
Side effects- bone marrow suppression
Contraindication- Allopurinol (increases toxicity due to XO breaking down azathioprine)
Current RA Guidelines
1) Methotrexate
2) Hydroxychloroquine
3) Sulfasalazine
Infliximab
DMARD/Biologic
MOA- decreases TNF (monoclonal Ab)
Contraindications- other Biologics
Etanercept
DMARD/Biologic
MOA- Recominant TNF receptor that binds TNF
Side effect- Hypersensitivity, infection risk, pancytopenia, demyelination, SLE like syndrome
Leflunomide
DMARD
MOA- Pyrimidine synthesis inhibitor via Dihydro-orotic acid dehydrogenase inhibition
Side effects- alopecia, rash, hepatotoxicity
Anakinra
DMARD
MOA- IL-1 receptor antagonist
Adalimumab (Humira)
DMARD
MOA- Binds TNF (recombinant monoclonal Ab)
Abatacept
DMARD
MOA- Inhibits T cell activation via binding cell surface markers
Colchicine
Acute Gout treatment
MOA- binds tubulin decreasing LTB4 (leukocyte adhesion/migration)
Side effects- Acute- Diarrhea and GI pain Chronic- mylosuppression, peripheral neuropathy, hematuria, and alopecia
Allopurinol
Chronic Gout treatment
MOA- XO inhibitor
Side effects- inhibits 6-mercaptopurine metabolism that can lead to liver toxicity
Probenicid
Gout treatment
MOA- inhibits proximal tubule reabsorption of urate
Side effects- urate crystals in kidney due to increased excretion and inhibits secretion of acidic drugs (penicillins)
Sulfinpyrazone
Gout treatment
MOA- inhibits proximal tubule reabsorption of urate (GFR dependent)
Side effects- GI distress, rash, nephrotic syndrome, and inhibits platelet aggregation