megestrol acetate
Noun | 1. | megestrol acetate - a synthetic progestational compound used to treat endometrial carcinoma |
单词 | megestrol acetate | |||
释义 | megestrol acetate
megestrol acetatemegestrol acetatePharmacologic class: Hormone Therapeutic class: Progestin, antineoplastic, appetite stimulant Pregnancy risk category D (tablets), X (suspension) ActionUnknown. Thought to suppress growth of progestin-sensitive breast and endometrial tumors by inhibiting pituitary and adrenal function. AvailabilityOral suspension: 40 mg/ml Oral suspension (concentrate): 625 mg/5 ml Tablets: 20 mg, 40 mg Indications and dosages➣ Breast cancer Adults: 160 mg/day P.O. given as 40 mg P.O. q.i.d. ➣ Endometrial cancer Adults: 40 to 320 mg/day P.O. in divided doses ➣ Anorexia, cachexia, or unexplained significant weight loss in AIDS patients Adults: 800 mg (oral suspension only) P.O. daily, or 625 mg (oral suspension concentrate) P.O. daily Off-label uses• Endometriosis, endometrial hyperplasia • Prostatic hypertrophy • Contraception Contraindications• Hypersensitivity to drug or its components • Known or suspected pregnancy (suspension only) PrecautionsUse cautiously in: • diabetes mellitus, severe hepatic disease, renal disease, cardiovascular disease, seizure disorders, cerebral hemorrhage, migraine, asthma, undiagnosed vaginal bleeding, depression • history of thrombophlebitis • breastfeeding. Administration• Give with meals if GI upset occurs. Adverse reactionsCNS: headache, insomnia, drowsiness, asthenia, confusion, neuropathy, hyperesthesia, abnormal thinking, paresthesias, depression, seizures CV: hypertension, chest pain, thrombophlebitis, deep vein thrombosis EENT: amblyopia, retinal thrombosis, pharyngitis GI: nausea, vomiting, constipation, abdominal pain, flatulence, dyspepsia, dry mouth, increased salivation, oral candidiasis GU: breast tenderness, breakthrough bleeding, decreased libido Hematologic: anemia, leukopenia Hepatic: hepatomegaly Metabolic: hyperglycemia Musculoskeletal: carpal tunnel syndrome, back pain Respiratory: dyspnea, cough, pneumonia, pulmonary embolism Skin: alopecia, rash, pruritus, sweating Other: edema, fever, weight gain, herpes infection InteractionsDrug-diagnostic tests. Lactate dehydrogenase: increased level Patient monitoringSee Watch for signs and symptoms of thromboembolic disorders. See Stay alert for visual disturbances, headache, abdominal pain, and hepatomegaly. • Monitor glucose level in diabetic patients. Patient teaching• Inform patient that drug may cause back or abdominal pain, headache, nausea, vomiting, or breast tenderness. See Tell patient to immediately report pain, swelling or redness of lower legs, chest or back pain, or shortness of breath. • Advise patient to contact prescriber if adverse effects become pronounced or if other troublesome signs or symptoms occur. • Urge patient to use reliable contraception. See Instruct patient to immediately report suspected pregnancy. • Caution female patient to avoid breastfeeding. • Advise diabetic patient to monitor blood glucose level. • As appropriate, review all other significant and life-threatening adverse reactions and interactions, especially those related to the tests mentioned above. megestrol acetateEndocrinologyA synthetic progestin/progestational anti-androgen that blocks oestrogenic effects, androgen production and androgen-mediated activity, reducing serum gonadotropin and testosterone. It reduces hot flushes by 85% in menopausal women and androgen-deprived men compared to 20% in placebo group. Oncology Megestrol acetate is used to manage weight loss and anorexia in patients with AIDs and breast, endometrial and prostate cancer. In combination with oestradiol, it maintains castrate levels of testosterone in patients with metastatic prostate cancer. Adverse effects Dysmenorrhoea, chest pain, depression, oedema in hands and feet, brown spots on skin, hirsutism, breast tenderness, hypertension, venous thrombosis. megestrol acetateMegace® Endocrinology A synthetic progestin/progestational antiandrogen that blocks estrogenic effects, androgen production and androgen-mediated activity, ↓ serum gonadotropin and testosterone Oncology A progestin used to manage weight loss, anorexia in Pts with AIDs, breast, endometrial, and rarely prostate CA Adverse effects Dysmenorrhea, chest pain, depression, edema in hands, feet, brown spots on skin, hirsutism, breast tenderness, HTN, venous thrombosis megestrol acetate
Synonyms for megestrol acetate
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