Hypothalamic and Pituitary Hormones Flashcards
Alternative to Gonadotropin treatment in Male infertility
Gonadorelins
Antagonist for Oxytocin receptor
Atosiban
What is a contraindication to GH therapy?
Patient with Malignancy
Treatment of Leiomyomata (Fibroids)
continouos GnRH agonists + supplemental iron
ADR that is characterized by Serum testosterone levels increase (first 7-10 days; falls about 2 weeks) precipitate pain in patients with bone metastases, and tumor growth and neurologic symptoms
Tumor flare
Contraindications to Oxytocin treatment
Fetal distress abnormal fetal presentation cephalopelvic disproportion uterine rupture Prematurity
a disease of GH receptor insensitivity
Laron syndrome
ERGOT DERIVATIVE Dopamine Agonist
Bromocriptine Cabergolide
role of continuous GnRH and GnRH analog in COH
prevent pemature LH surge and ovulation
Vasopressin Antagonists
Conivaptan Tolvaptan (more V2)
Treatment of Choice for central precocious Puberty
GnRH analogs: Leuprolide Nafarelin Histrelin
Growth Hormone Antagonists
o Somatostatin o Somatotropin-Release Inhibiting Factor o Dopamine
Measures the fetal heart rate response to a standardized oxytocin infusion; Provides information about Placental Circulatory Reserve
Oxytocin Challenge Test
Advantage of GnRH antagonists over GnRH analogs
Immediate antagonist effect effects reverse more quickly
acetate salt of synthetic human GnRH
Gonadorelin
Major source of IGF-1
liver
hCG is produced and excreted where?
produced: placenta excreted: urine
Patients with Turner’s who are taking GH therapy are prone to development of
Otitis media
3 forms of purified FSH
Urofollitropin (2) recombinant forms: Follitropin alfa Follitropin beta
Alternative for Ovulation induction (ex: Clomiphene has no effect)
gonadotropins
Treatment of severe IGF-1 deficiency that is not responsive to GH (GH-resistance syndromes)
Mecasermin
Peripheral antagonism of GH: decreases IGF
Pegvisomant
GnRH receptor antagonists:
Ganirelix Cetrorelix Abarelix Degarelix
Treatment for Tumor flare?
Bicalutamide