Drugs Flashcards
nsaids should not be used as monotherapy for RA.
a. true
b. false
a. true
How are corticosteroids used for RA?
NOT used as monotherapy, but used as bridge therapy
can be given intra-articularly
How often is MTX given for RA?
once WEEKLY
What is the DMARD of choice for initial RA therapy?
MTX
What should MTX be premedicated with?
folic acid
5mg/week
The synthetic DMARD for FA leflunomide is NOT recommended if ALT is > ___ ULN.
2
What is used for elimination of leflunomide?
cholestyramine
What is the half life of teriflunomide?
14-18 days
Is vaccination with live vaccines recommended with leflunomide?
no
How long is contraception needed after d/c of leflunomide?
3 months
When can the synthetic RA DMARD hydroxychloroquine be used as monotherapy?
mild RA where MTX is contraindicated
Does hydroxychloroquine need hepatic/renal dose adjustment?
no
What synthetic RA DMARD can cause retinal/visual changes?
hydroxychloroquine
What time period of use/dose of hydroxychloroquine can cause disorder for the cornea?
use > 5 years or daily dose > 5mg/kg/day ABW or 400mg
What kind of drug is sulfasalazine?
synthetic DMARD
prodrug
used for RA
The synthetic DMARD sulfasalazine should not be used in pts with what allergies?
sulfa
salicylate
What should sulfasalazine be premedicated with/
antihistamine or steroids
to prevent serum sickness
What two things can decrease absorption of sulfasalazine?
antibiotics
iron
What synthetic DMARD can cause yellow to orange urine/skin discoloration?
sulfasalazine
What is drug class of tofacitinib, barcitinib, upadacitinib?
JAK inhibitors
The RA JAK inhibitor tofacitinib dose should be reduced to __mg daily (IR) in moderate to severe renal impairment and moderate hepatic impairment.
5
The RA JAK inhibitor tofacitinib should be avoided in pts with counts less than?
lymphocyte < __?
ANC < __?
Hgb < __?
lymphocyte: 500
ANC: 1000
Hgb: 9
How should the RA JAK inhibitor barcitinib be dose adjusted in pts with GFR 30-60?
1mg once daily
The RA JAKL inhibitor barcitinib should not be used in pts with eGFR < __
30
The RA JAK inhibitors barcitinib and upadacitinib should not be used if
lymphocytes < __?
ANC < __?
Hgb < __?
500, 1000, 8
tofacitinib is same except Hgb < 9 instead of 8
Which two RA JAK inhibitors should not be used with biologic DMARDS or strong immunosuppressants?
barcitinib
upacitinib
What is dose for RA JAK inhibitor upadacitinib?
15mg PO once daily
Which RA JAK inhibitor can be given as monotherapy or in combo with MTX or other non-biologic DMARDS?
upadacitinib
What drug class is adalimumab?
TNF alpha inhibitor
What drug class is etanercept (Enbrel)?
TNF alpha inhibitor
What drug class is infliximab (Remicade)?
TNF alpha inhibitor
What drug class is golimumab (Simponi)?
TNF alpha inhibitor
Doses of infliximab > ___ mg should not be give n in CHF or to pts with hypersensitivity to murine proteins.
5
Which two TNF alpha inhibitors for RA must be taken in combo with MTX?
infliximab
golimumab
What might infliximab be premedicated with?
diphenhydramine
acetaminophen
to prevent infusion rxn
What is abatacept (for RA) MOA?
CD80/CD86
How is the RA drug abatacept given?
IV infusion based on pt weight
What drug class is certolizumab?
TNF alpha inhibitor
What drug class should the RA drug abatacept NOT be given with?
TNF alpha inhibitors
What screening is done at baseline for the RA drug abatacept?
TB
Hep B
What is the RA drug rituximab MOA?
chimeric antibody to CD20
What is the RA drug rituximab given in combo with?
MTX
premedicate with diphenhydramine, glucocorticoid, acetaminophen to prevent infusion rxns
What screening is done for the RA drug rituximab?
TB
Hep B
What is the MOA of the RA drug tocilizumab?
humanized antibody that inhibits IL-6
Which RA drug is a CYP3A4 inducer, and should NOT be given in combo with biologic DMARDS?
tocilizumab
NABs can develop
Does tociluzmab have hepatic dose adjustments?
yes
Do not give the RA drug tociluzumab if
ANC < __?
platelets < __?
ALT/AST > __ x ULN?
2000, 100,000, 1.5
The RA drug tociluzimab can cause elevated ___
lipids
transaminitis
What screening is done for RA drug tociluzumab?
TB
NSAIDS should be given within at least ___ hours for acute gout attack?
24
What nsaid should not be given if allergy to sulfa?
celecoxib
nsaids should be use with caution with ___ impairment and the ___ trimester of pregnancy
renal, third
What is colchicine MOA?
prevents migration of neutrophils
What is max dose of colchicine for acute gout?
1.8mg daily
What is max dose of colchicine for gout prophylaxis?
1.2mg daily
Which gout med is contraindicated with concomitant use of P-gp or 3A4 inhibitors in the presence of hepatic/renal impairment?
colchicine
What is main AE of colchicine?
diarrhea
Can corticosteroids for acute gout be given with live or live attenuated vaccines?
no
What is MOA of gout drug allopurinol?
xanthine oxidase inhibitor
What is the max dose of allopurinol for chronic gout management?s
800mg/day
What is starting dose of allopurinol for pts with stage 4 or 5 CKD?
50mg daily
Which chronic gout management drug is contraindicated with HLAB*5801 allele?
allopurinol
severe cutaneous rxn
Which xanthine oxidase inhibitor can cause maculopapular eruption, DRESS, SJS, and TENS?
allopurinol
What is allopurinol dose for pts with stage 3 or higher CKD?
100mg per day
What is the MOA of febuxostat (Uloric)?
xanthine oxidase inhibitor
What is the dose of the chronic gout drug febuxostat if CrCl < 30?
40mg daily
Should xanthine oxidase inhibitors (allopurinol, febuxostat) be d/c during gout attack?
no
Which chronic gout med has FDA warning of increased death in pts with cardiovascular disease?
febuxostat
xanthine oxidase inhibitor
Febuxostat should only be prescribed if pts have contraindications, treatment failure, or intolerance to allopurinol.
a. true
b. false
a. true
What is main AE of febuxostat?
transaminitis
What is the MOA of the chronic gout drug lesinurat?
Inhibits renal apical transporters (URAT1 and OAT4)
The chronic gout drug lesinurad (URAT1/OAT4 inhibitor) should be taken in combo with what?
a xanthine oxidase inhibitor
Lesinurad is not recommended imp ts taking allopurinol doses < ___mg daily or < __ mg daily if CrCl is less than 60.
300, 200
If treatment with xanthine oxidase inhibitor is interrupted lesinurad should be continued.
a. true
b. false
b. false
should also be witheld
2 main AEs of lesinurad?
nephrolithiasis
renal failure
What is pegloticase MOA?
pegylated recombinant uricase
chronic gout management
When is pegloticase (Krystexxa) contraindicated?
G6PD deficiency
risk of hemolysis
What is the MOA of probenecid?
uricosuric agent
What is the max dose of probenecid?
2000mg/day
Should probenecid be initiated during an acute gout attack?
no
Probenecid is contraindicated with concomitant use of what drug class?
salicylates
What is main AE of probenecid?
urolithiasis
2 main AEs of the chronic gout drug pegloticase?
antibody development
infusion reaction
Which gout drug is used refractory to XOI or uricosuric agents?
pegloticase
2 IL-1 inhibitors for gout?
anakinra
canakinumab
can be considered in refractory cases
which antihypertensive is the drug of choice for gout?
losartan