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Pharm Hypothalamic
KYCOM Block 11
60
Pharmacology
Graduate
10/15/2013

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Cards

Term
5 GnRH agonists
Definition
leuprolide
grosereline
nafarelin
histerlin
triptorelin
Term
4 GnRH Antagonists
Definition
ganirelix
cetorelix
abarelix
degarelix
Term
2 GH agonist
Definition
somatostatin
mecasermin
Term
2 GH antagonists / somatistatin agalons
Definition
octerotide
lanretoide
Term
1 GH blocker
Definition
pegvisomant
Term
1 FSH + LH drug
Definition
menotropins
Term
1 FSH drug
Definition
urofollitropin
Term
1 LH drug
Definition
Lutropin / recombinant hCG
Term
1 prolactin agonist
Definition
no such thing
Term
2 prolactin antagonist, 1 AKA
Definition
aka: dopamine agonist

bromocriptine
cabergoline
Term
2 vasopressin agonist and their receptors
Definition
8-L-arginine vasopressin (V1)

desmopressin (V2) (tetracycline antibiotic)
Term
3 vasopressin antagonists and their receptors
Definition
conivaptin (V1+V2)

tolvaptin (V2)

lithium (V2)
Term
MOA GnRH agonist
Definition
control FSH and LH release

pulsatile (replacement) therapy: increases release

continous (supression) therapy: inhibits release
Term
GnRH antagonist MOA
Definition
stops release of FSH and LH
Term
somatropin MOA
Definition
longitudinal growth via ILGF-1 and some ILGF-2
Term
mecasermine MOA
Definition
complex of ILGF-1 and ILGF binding protein 3 that causes growth
Term
GH antagonist MOA
Definition
somatostatin agonist stop GH, glucagon, insulin, and gastrin release
Term
GH blocker MOA
Definition
blocks GH receptors
Term
where do menotropins come from
Definition
postmenopausal urine
Term
where does urofollitropin come from
Definition
naturally modified
Term
where does lutropin come from
Definition
recombinant LH (identical to hCG so it can be used)
Term
what regulates prolactin
Definition
dopamine
Term
how does a prolactin antagonist work
Definition
dopamine agonist decreases prolactin release
Term
why would some have increased prolactin (2)
Definition
anti-psychotic drugs (dopamine receptor blockers)
prolactinoma
Term
what happens when prolactin is increased (4)
Definition
amenorrhea
no ovulation
galactorhea
breast tenderness
Term
oxytocin MOA
Definition
induces myometrial contraction by changing ion concentrations
Term
what does ADH to do V receptors (8), what type of receptor
Definition
Gq receptors

V1a: vasoconstriction, glycogenolysis, platelet aggregation, ACTH release

V1b: ant pituitary, pancrease, brain, adrenal medulla
Term
what tissues have V2 ADH receptors on them, what type of receptor is it
Definition
Gs receptor on aquaporin 2 on collecting duct cells
Term
GnRH agonist side effects
Definition
continous therapy gives flare in condition prior to supression (desensitization)
Term
GH antagonist side effects (5)
Definition
flatulence
steratorrhea
biliary sludge
gall stones
sinus bradycardia
Term
oxytocin side effects
Definition
simillar to ADH
water retension or intoxication (if on IV)
Term
lithium side effects
Definition
mimics nephrogenic diabetes insupidus
Term
how can GnRH be administered
Definition
pulastile: every 1-4 hours
continous
Term
why is administering GnRH different than just giving the hormone (gonadorelin)
Definition
the half life of the drug will be longer than administering the hormone
Term
what is the benifit of using a GnRH antagonist over agonist (2)
Definition
no flare in hormone levels before supression
more rapid onset
Term
what blocks oxytocin (3)
Definition
B blockers
Mg sulfate
inhaled anasthetics
Term
what is pulsatile GnRH used for (3)
Definition
infertility
delayed puberty
hypogonadism
Term
what is continous GnRH used for (4)
Definition
endometrosis
uterine fibroids
prostate cancer
central precoious puberity
Term
when do you decide to treat central precoious puberty
Definition
before 8 in girls and before 9 in boys
Term
how is prostate cancer treated (2)
Definition
GnRH agonist with androgen receptor blocker to inhibit flare
OR
GnRH antagonist
Term
what do GnRH antagonists treat
Definition
prostate cancer
ovarian hyperstimulation
prep for in vitro fertilization
Term
why is GnRH antagonist used for prep for in vitro fertilization
Definition
prevents premature LH surge
Term
what is somatropin used for (3)
Definition
GH deficiency (<4cm/y)

Growth failure: prader willi, turner syndrome, AIDS wasting

idiopathic short stature
Term
what is mecasermin used for
Definition
patient is deficient in ILGF-1 and exogenous GH isnt working
Term
GH antagonist uses (3)
Definition
DOC for acromeagly and gigantism

hormone secreting tumors

bleeding esophageal varices
Term
what causes acromeagly and gigantism
Definition
GH secreting adenoma
Term
what are 4 GH secreting tumors
Definition
gastrinoma
glucagonoma
carcinoid secreting tumors
carcinoid syndrome
Term
what is carcinoid syndrome
Definition
carcinoid tumor with liver metastasis and serotonin secretion
Term
what is the use for pegvisomant
Definition
acromeagly third alternative
Term
use of FSH and LH drugs
Definition
induce spermatogenesis or ovulation in infertility
Term
use of prolactin antagonist (2)
Definition
hyperprolactinemia

bromocriptime: acromeagly 2nd alternative
Term
oxytocin use (3)
Definition
lactation in natural doses

pharmacological doses: control post partum hemorrhage, induce labor but causing uterine contraction
Term
uses of a V1 agonist (3)
Definition
vasoconstriction stops bleeding esophageal varicies, post-op ileus, abdominal distension
Term
uses of V2 agonist (2)
Definition
central diabetes insipidus
SIADH
Term
use of V1/V2 antagonist (2)
Definition
euvolumeic or hypervolemic hyponatremia
SIADH
Term
what is diabetes insipidus
Definition
increased ADH due to pituitary or hypothalamus trauma or tumor
Term
what is nephrogenic diabetes insiputis
Definition
broken V2 receptors on nephron
Term
what categories of drugs are hypothalamic hormone drugs (2)
Definition
GnRH/gonadorelin agonist

GnRH antagonist
Term
what categories of drugs are anterior pituitary hormone drugs (8)
Definition
GH agonist
GH antagonist
GH blocker
FSH + LH
FSH
LH
prolactin agonist
prolactin antagonist
Term
what categories of drugs are the posterior pituitary hormone drugs (4)
Definition
oxytocin
vasopressin agonist
vasopressing antagonist
lithium
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