section name header

Pronunciation ⬇

me-JESS-trole

Classifications ⬆ ⬇

Therapeutic Classification: antineoplastics, hormones

Pharmacologic Classification: progestins

Indications ⬆ ⬇

BEERS REMS, High Alert


Action ⬆ ⬇

  • Antineoplastic effect may result from inhibition of pituitary function.
Therapeutic effects:
  • Regression of tumor.
  • Increased appetite and weight gain in patients with AIDS.

Pharmacokinetics ⬆ ⬇

Absorption: Well absorbed from the GI tract.

Distribution: Unknown.

Protein Binding: ≥90%.

Metabolism/Excretion: Completely metabolized by the liver.

Half-Life: 38 hr (range 13–104 hr).

Time/Action Profile ⬆ ⬇

(antineoplastic activity)

ROUTEONSETPEAKDURATION
POweek–months2 mounknown

Contraind./Precautions ⬆ ⬇

Contraindicated in:

Use Cautiously in:

Adv. Reactions/Side Effects ⬆ ⬇

Interactions ⬆ ⬇

Drug-drug:

Route/Dosage ⬆ ⬇

Breast Carcinoma

Endometrial Carcinoma

Anorexia Associated With AIDS

Availability ⬆ ⬇

(Generic available)

Assessment ⬆ ⬇

Lab Test Considerations:

Implementation ⬆ ⬇

Patient/Family Teaching ⬆ ⬇

Evaluation/Desired Outcomes ⬆ ⬇

US Brand Names ⬆ ⬇

Megace

Code ⬆

NDC Code