Pharm - atopic derm/psoriasis Flashcards
psoriasis is what kind of disorder
immune and inflammatory
name 5 local psoriasis treatment options
topical CS
coal tar
vitamin D analogues
UV light
calcineurin inhibitors
can anti TNF drugs be used in psoriasis?
name them
yes
adalimumab
golimumab
etanercept
infliximab
certolizumab
name 4 calcineurin inhibitors that can be used for psoriasis
tacrolimus
pimecrolimus
cyclosporin
voclosporin
name 2 classes of drugs used in psoriasis
hydrating agents
antipruritics
___ in ___ preparations can be used as hydrating agents in psoriasis
water in oil
what class of antipruritics are preferred in psoriasis patietns
1st generation antihistamines like diphenhydramine and hydroxyzine
are antidepressants used in psoriasis?
what is the concern?
yes – for their sedation and antihistamine effect
concern - falls in the elderly and anticholinergic effects
what does calcipotriene do
is it a steroid?
NOT a steroid
a synthetic vitamin that slows the growth of skin cells
used in psoriasis
explain how calcineurin inhibitors work
prevent the dephosphorylation of NFAT
when NFAT is dephosphorylated, it goes into the nucleus and increases expression of genes encoding for IL-2, which promotes the release and activity of T cells
suppressess mainly T CELL ACTIVITY
true or false
calcineurin inhibitors suppress mainly B cell activity
false - T cell
calcineurin inhibitors cause decreased ____, ____ and _____
decreased NFAT, IL-2, and T cell activation
what is the black box warning of calcineurin inhibitors
increase in malignancies
major issue with calcineurin inhibitors is that they are _____ toxic
nephro
calcineurin inhibitors have highly variable ______
explain*****
highly variable pharmacokinetics
they have highly variable absorption – need to always be administered under same conditions
may have competition for biotransformation and elimination
KINETICS ARE NOT DEPENDABLE