Hypothalamic & Pituitary Hormones Flashcards
Recombinant human GH
Somatropin
Indications for using recombinant human GH
- Replacement in GH deficiency
- Increased final adult height in children with certain conditions associated with short stature (e.g., Turner syndrome, Noonan syndrome, Prader-Willi syndrome).
- Wasting in HIV infection
- Short bowel syndrome
Toxicities of recombinant human GH in children
pseudotumor cerebri slipped capital femoral epiphysis progression of scoliosis edema hyperglycemia
Toxicities of recombinant human GH in adults
peripheral edema
myalgia
arthralgia
IGF-1 agonist
Mecasermin
What condition is mecasermin indicated for?
Replacement in IGF-1 deficiency that is not responsive to exogenous GH
Toxicities associated with mecasermin
hypoglycemia
intracranial hypertension
increased liver enzymes
Somatostatin receptor agonists
Octreotide, Lanreotide (long-acting formulation for acromegaly)
What is octreotide used for?
- Acromegaly and several other hormone-secreting tumors
2. Acute control of bleeding from esophageal varices
Toxicities related to octreotide
GI disturbances, gallstones, bradycardia, cardiac conduction anomalies
GH receptor antagonist
Pegvisomant
What is pegvisomant used for?
Acromegaly
Toxicities associated with pegvisomant
Increased liver enzymes
FSH agonists
Follitropin alfa and beta (recombinant FSH; differ in carbohydrate side chains only)
Urofollitropin (human FSH purified from the urine of postmenopausal women)
Extract of the urine of postmenopausal women that contains both FSH and LH activity
Menotropins
Clinical uses of FSH analogs (follitropin, urofollitropin, menotropin)
- In women: Controlled ovulation hyperstimulation
2. In men: Infertility due to hypogonadotropic hypogonadism
Toxicities of follitropins
- Ovarian hyperstimulation syndrome and multiple pregnancies in women
- Gynecomastia in men
- Headache, depression, edema in both sexes
What is hCG used as?
An LH receptor agonist (the structure of hCG is nearly identical to LH)