2- DMARDS

Cards (15)

  • DMARDS
    Disease-modifying antirheumatic drugs
  • Before starting DMARDs, screen for latent TB, Hep B, & Hep C
  • Methotrexate
    • Best initial DMARD for RA
    • Dose as needed/tolerated up to 25mg/week
    • If can't take MTX, give leflunomide, sulfasalazine, hydroxychloroquine, TNF alpha inhibitor (etanercept or adalimumab)
    • Need to take daily folic acid supplement
  • Methotrexate side effects
    • Liver toxicity (monitor LFTs)
    • Mouth ulcers and diarrhea
    • BM toxicity (antifolate " pancytopenia, monitor CBC)
    • Lung fibrosis (yearly PFT)
  • Stop methotrexate 2-3 months before conception as it is teratogenic
  • Anti-TNF (TNF alpha inhibitors)

    • EX: Infliximab, adalimumab, etanercept, golimumab, certolizumab
    • Must screen with PPD prior to use (may cause reactivation of TB)
    • 1st line if not responding/intolerant of MTX (active disease despite 2 DMARDs)
    • Often primarily used in combination with MTX
    • Safe in pregnancy
    • Contraindicated in HF. Toxicity: may lead to infections
  • Hydroxychloroquine (Plaquenil)

    • Can be used as monotherapy in mild cases, but usually in combination with MTX
    • Safe in pregnancy
    • Side effect: retinal toxicity (dilated eye exam, baseline ophthalmic evaluation before starting, examine fundus within 1st year, begin annual screening after 5 years of use)
  • Sulfasalazine
    • Side effects: mouth ulcers, hepatitis, reversible male infertility, rash, BM toxicity, hemolysis with G6PD deficiency
    • Safe in pregnancy
  • Leflunomide
    • Blocks T-cell proliferation
    • Side effects: diarrhea, HTN, hepatitis, alopecia
  • Rituximab
    • Anti-CD20 B-cells
    • Subcutaneous
  • Tocilizumab
    • IL-6 inhibitor
    • Subcutaneous
  • Abatacept
    Blocks T-cell activation
  • Anakinra
    IL-1 receptor blocker
  • JAK inhibitor
    Systemic DMARDS
  • Gold salts

    Side effect: nephrotic syndrome