Abstract:
:The effect of cyclophosphamide (CY) on ovarian function was studied in patients with breast cancer receiving prolonged daily administration of this agent (100 mg/day) after radical surgery. Out of 18 premenopausal patients that received 8.4-39.9 g CY, 15 developed permanent amenorrhea. The average dose given before the onset of amenorrhea was 5.2 g in patients in their 40s and 9.3 in their 30s. Urinary estrogens and serum progesterone were measured weekly for approximately 6 months postoperatively in six patients receiving CY. After the onset of amenorrhea, the levels of both hormones ceased to show their normal cyclic changes and remained low persistently, meanwhile serum FSH and LH were markedly elevated. No ovarian follicle was histologically found in three amenorrheic patients who underwent therapeutic oophorectomy after CY therapy. These findings indicate that CY induced primary ovarian failure.
journal_name
Cancerjournal_title
Cancerauthors
Koyama H,Wada T,Nishizawa Y,Iwanaga T,Aoki Ydoi
10.1002/1097-0142(197704)39:4<1403::aid-cncr282039subject
Has Abstractpub_date
1977-04-01 00:00:00pages
1403-9issue
4eissn
0008-543Xissn
1097-0142journal_volume
39pub_type
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