Systemic Steroids & Autoimmune Conditions Flashcards
(47 cards)
how to replace cortisol?
steroids
how to replace aldosterone?
fludrocortisone
Least potent to most potent steroids acronym?
Cute Hot Pharmacists and Physicians Marry Together & Deliver Babies
Cute Hot Pharmacists and Physicians Marry Together & Deliver Babies
cortisone 25mg hydrocortisone 20mg prednisone 5mg prednisolone 5mg methylprednisolone 4mg triamcinolone 4mg dexamethasone 0.75mg betamethasone 0.6mg
what is the immunosuppressive dose for steroids?
≥ 2mg/kg/day or ≥ 20mg/day of prednisone or prednisone equivalent for > 2 weeks
what non-specitive lab tests can be used to detect inflammation?
ESR, CRP, RF, ANA
what are the risks of giving immunosupressants to tx autoimmune diseases?
↑risk of re-activ TB, Hep B/C, Viruses (live vaccines must be given prior to tx), skin cancers, infections
RA presentation?
Bilateral, Symmetrical
▪ Morning stiffness: stiffness and pain worse after rest
Lab tests:
Anti-citrullinated peptide Ab (ACPA), Rheumatoid factor (RF)
what is the initial tx for RA?
MTX
for mod-severe RA how should you tx?
DMARD or TNFi or non-TNF ± MTX [Never use 2 biologic DMARDS combo]
how should you tx flares?
steroids
what is the moa of mtx?
Inhibits dihydrofolate reductase, inhibiting folate
what is the mtx dosing for RA?
7.5mg - 20mg q week
what is the BBW for mtx?
Hepatotoxicity, Myelosupression, Mucositis/stomatitis, Pregnancy (fetal toxicity/death)
moa of leflunomide?
inhibitts pyrimidine synthesis
bbw of leflunomide?
embryo-fetal tox and hepatotox
accelerated drug elimination option for leflunomide?
▪ Cholestyramine 8g TID x11days
▪ Activated charcoal suspension 50g PO Q12H x11days
what are the janus kinase (JAK) enzyme inhibitors?
tofacitinib
baricitinib
what are the safety implications with jak inhibitors?
BBW: Serious Infections, Malignancy
Note: ↑risk of pulmonary embolism using high dose
what are the anti-TNF biologics?
Etanercept (Enbrel) Adalimumab (Humira) Infliximab (Remicade) Cartolizumab pegol (Cimzia) Golilumab (Simponi)
what are the safety parameters for anti-TNF?
BBW:
Serious inf,
Malignancies,
screen for latent TB
Warning: Demyelinating disease, Hep B reactivation, HF, hepatotoxicity, lupus-like syndrome ▪ Do NOT use with other biologics or live vaccines Monitor: TB test, signs of infection
should you premedicate rituximab?
yes, Steroid + APAP + Antihistamine
drugs that can cause DILE
Methimazole Propylthiouracil Methyldopa Minocycline Procainamide Hydralazine (alone and in BiDil) Anti-TNF - enbrel, humira, remicade, cimzia, simponi Terbinafine Isoniazid Quinidine
how to tx SLE?
FDA: Hydroxychloroquine, belimumab
Others: cyclophosphamide, azathioprine, mycophenolate mofetil, cyclosporine