Pharm - IBD Flashcards
list the 4 5-ASA drugs used for ulcerative colitis
- sulfasalazine
- mesalamine
- olsalazine
- balsalazide
list the janus kinase (JAK) inhibitors used for ulcerative colitis
tofacitinib
list the TNF-a inhibitors used for ulcerative colitis
- adalimumab
- golimumab
- infliximab
list the alpha-4 integrin inhibitors used for ulcerative colitis
vedolizumab
list the IL-12/23 inhibitors used for crohn disease
ustekinumab
list the TNF-a inhibitors used for crohn disease
- adalimumab
- certolizumab
- infliximab
list the alpha-4 integrin inhibitors used for crohn disease
- natalizumab
- vedolizumab
what TNF-a inhibitors are used for both UC and CD
adalimumab and infliximab
what alpha-4 integrin inhibitors are used for both UC and CD
vedolizumab
MOA 5-ASA agents
inhibition of prostaglandin and leukotriene production via arachidonic acid pathway
+
reduction in PMN and macrophage chemotaxis
when to use rectal suppositories, rectal enemas, and oral 5-ASA agents
rectal suppositories: to reach upper rectum
rectal enemas: to reach the splenic flexure
oral: to reach the entire GI tract
side effects 5-ASA agents
- CNS: dizziness, HA, fatigue
- GI: anorexia, abd pain, N/V/D
sulfasalazine is contraindicated in what patients
those with sulfa allergies
all 5-ASA compounds are contraindicated in what patients
ASA-allergic patients
indications for 5-ASA agents
active AND maintenance of mild to moderate UC
indications for olsalazine (a 5-ASA agent)
ONLY for maintenance of remission UC (not active dz)
indications for balsalazide (a 5-ASA agent)
ONLY for active dz UC (and only approved in males)
MOA TNF-a inhibitors
blocks TNF-a which blocks leukocyte migration to site of inflammation
list the methods of administration of the TNF-a inhibitors for UC and crohn’s
- adalimumab: SQ injection
- golimumab: SQ injection
- infliximab: IV injection
- certolizumab: SQ injection
which TNF-a agent is used ONLY for CD
certolizumab
which TNF-a agent is used ONLY for UC
golimumab
side effects TNF-a inhibitors
- infections
- liver toxicity
- HA/arthralgias/fatigue
- dermatologic related
- malignancies
what MUST you do before giving TNF-a inhibitors
TB testing
indications for TNF-a inhibitors
active dz AND management of MODERATE TO SEVERE UC and CD (depending on drug)
indications for adalimumab
active and management of moderate to severe UC and CD
indications for infliximab
active and management of moderate to severe UC and CD
indications for golimumab
active and management of moderate to severe UC only
Indications for certolizumab
active and management of moderate to severe CD only
when are TNF-a inhibitors used
after inadequate response to conventional or immunosuppressant therapy
what is the maintenance dose and administration method for adalimumab
SQ injection every 2 weeks
what is the maintenance dose and administration method for infliximab
IV infusion every 8 weeks
what is the maintenance dose and administration method for golimumab
SQ injection every 4 weeks
what is the maintenance dose and administration method for certolizumab
SQ injection every 4 weeks
MOA alpha-4 integrin inhibitors
limits integrin’s cell adhesion and transepithelial migration of leukocytes to site of inflammation
route of administration for natalizumab
IV injection
route of administration for vedolizumab
IV injection
compare which integrins are inhibited by natalizumab and vedolizumab
natalizumab: alpha 4 B1 and alpha 4 B7
vedolizumab: just alpha 4 B7
side effects alpha-4 integrin inhibitors
infections
- progressive multifocal leukoencephalopathy
- infusion related reactions
- anti-medication antibodies
- increased risk of malignancy
indications of natalizumab
active dz and maintenance of moderate to severe CD
indications for vedolizumab
active dz and maintenance of moderate to severe CD and UC
when are alpha-4 integrin inhibitors used
after inadequate response to conventional therapy of TNF-a therapy
what is the maintenance dose and administration method for natalizumab
IV infusion every 4 weeks
what is the maintenance dose and administration method for vedolizumab
IV infusion every 8 weeks
MOA IL-12/23 inhibitors
bind to P40 subunit of IL-12 and IL-23, blocking activation and differentiation of naive T cells and activation of NK cells
side effects of ustekinumab (IL-12/23 inhibitor)
- infections
- infusion related reaction
- HA/arthralgia/fatigue
- increase risk of malignancy
what must you do before giving IL-12/23 inhibitors
TB testing
indications for ustekinumab (IL-12/23 inhibitor)
active dz and maintenance of moderate to severe CD
when should you prescribe ustekinumab
when patients are intolerant or have inadequate response to conventional, immune modulators, steroids, or TNF-a therapy
what is the maintenance dose and administration method for ustekinumab
SQ injection every 8 weeks
MOA janus kinase (JAK) inhibitors
bind to and inhibit free-floating and bound JAK-1 and JAK-3 which inhibits gene transcription and more cytokine release
side effects tofacitinib (a JAK inhibitor)
- lymphopenia/lymphocytosis
- neutropenia/anemia
- fatigue
- increases in LDL and HDL
- increase risk of malignancy
indications for tofacitinib (a JAK inhibitor)
active dz and maintenance of moderate to severe UC
what is the maintenance dose and administration method for tofacitinib
PO BID
what drugs can patients not take while taking tofacitinib
biologig therapies or potent immunosuppressants
describe the use of steroids in treating IBD
used at the lowest dose for the shortest duration possible for acute and/or severe UC or CD
NOT for maintenance of remission unless ABOLUTELY required