Abstract:
:The endocrine action of medroxyprogesterone acetate (MPA) has been claimed to be of a glucocorticoid-like nature. Upon clinical observation, MPA has been shown to improve life quality and overall well-being in patients with advanced breast cancer, renal carcinoma, prostatic carcinoma, and uterine adenocarcinoma. The authors have evaluated MPA endocrine action by the administration of human corticotropin releasing factor (hCRF) in a 90-minute assay in 15 patients with advanced breast cancer or renal cell carcinoma both, before the initiation of oral high-dose MPA treatment (1000 mg MPA) as well as after at least 10 days of therapy. The curves for corticotropin, beta-endorphin, and cortisol responses to hCRF of tumor patients who were tested before the initiation of MPA treatment were parallel to the curves of a healthy control group of probands tested under equal conditions, although at significantly higher respective hormone levels. In patients with malignant disorders assayed after MPA administration, both basal and peak hormone levels were found to be comparable with values obtained in healthy controls. In conclusion, MPA appeared to act at a suprapituitary level since pituitary responsiveness to hCRF was preserved under MPA treatment. Moreover, it appeared that MPA brought the hormonal stress state found in patients with malignant tumors back to normal.
journal_name
Cancerjournal_title
Cancerauthors
Lang I,Zielinski CC,Templ H,Spona J,Geyer Gdoi
10.1002/1097-0142(19901101)66:9<1949::aid-cncr2820subject
Has Abstractpub_date
1990-11-01 00:00:00pages
1949-53issue
9eissn
0008-543Xissn
1097-0142journal_volume
66pub_type
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