Cannabinoids Flashcards
define cannabis
plant based only
define cannabinoids
anything that acts on CB receptors- can include nonplants
T or F: cannabis has mostly been approved based on low quality evidence, anecdotal reports, individual testimonials, and public opinion
T
cannabis is a genus of ___________
flowering plant in the family cannabaceae
T or F: C. sativa is more studied and less variable
F- highly variable
what is the most abundant GPCR in the CNS
CB1
CB1 inhibits NT by
inhibition of voltage gated Ca2+ channels and reversing K+ channels
which receptor regulates neuronal growth and synapse formation
CB1
CB1 receptor effects
modulates pain perception, mood, anxiety, satiety, hormonal control, and voluntary motor control
CB2 is expressed on
glia and immunomod cells throughout body
CB2 receptor effect
activation limits cell migration and release of proinflammatory stimuli = limits inflammatory response
what is the most studied component of cannabis
THC
THC is _____ active and a ____ agonist at CB1 and 2
psychlogically
partial
CBD is considered _______ and has _____ at CB1 and 2
nonpsychoactive
weak antagonism at CB1 and 2
besides CB1 and 2, does CBD bind to anything else?
orphan GPCR55, 5HT1A
what may inhibit endocannabinoid (anamdamide) uptake and metabolism?
CBD
4 indications cannabinoids may be effective for
prevention of chemo induced nausea and vomiting
decreasing spasticity of MS and spinal cord injury
preventing seizures in Lennox-Gastaut and Dravet syndrome (CBD)
decreasing pain in chronic neuropathic pain
_______ had the most robust data for pain
nabiximols
how were cannabinoids compared against other analgesics in studies?
placebo vs cannabinoids being added to stable doses of analgesics
T or F: higher doses of cannabinoids produce higher analgesic effects
F- just cause more AEs
T or F: THC content used in studies is generally higher than whawt is currently available
F- much lower
effect of cannabis use in pregnancy
lower birth weight
preterm/stillbirth
negative effect on neurodevelopment
cannabis effect on lactation
does transfer into breastmilk = effect on neurodevelopment
to classify as cannabinoid hyperemesis syndrome, the pt must use it for
more than one year, at least weekly
CHS is characterized by
severe N/V, resolutin of sx after stopping cannabinoid, compulsive hot bathing/ showering for symptomatic relief
tx for CHS
stop cannabinoid
supportive measures
capsacin cream
THC is a CYP_______ substrate
2C9 and 3A4
CBD is a ____ inhibitor and substrate and a ___ substrate
2C19
3A4
smoking cannabis may reuslt in _____ induction
CYp1A2
drug interactions with cannabis
ethanol, opioids, BZs, anticholinergics