期刊
ENDOCRINE JOURNAL
卷 57, 期 12, 页码 1035-1044出版社
JAPAN ENDOCRINE SOC
DOI: 10.1507/endocrj.K10E-203
关键词
Acromegaly; Pituitary macroadenomas; Presurgical long-acting octreotide treatment
Therapeutic effects of presurgical long-acting octreotide treatment on tumor shrinkage, and short- and long-term postoperative GH and IGF-1 levels of acromegaly patients with invasive pituitary macroadenomas were investigated prospectively in Huashan Hospital, Shanghai, China. Thirty-nine untreated acromegaly patients, all with invasive pituitary macroadenomas, were randomly divided into two groups: experimental group (n=19), and control group (n=20). Patients in the experimental group received a three-month course of long-acting octreotide treatment before transsphenoidal surgery; the control group underwent surgery directly. Tumor shrinkage after drug treatment and short- and long-term postoperative GH and IGF-1 levels were analyzed in the two groups. Long-acting octreotide treatment reduced tumor size from 7893 +/- 6450 to 4794 +/- 4682 mm(3). Mean shrinkage rate was 37.4 +/- 30.9%. GH and IGF-1 levels of the experimental group were lower than the control group at 3 months, 6 months after surgery, and after long-term follow-up. Remission rate (both GH and IGF-1 normal) of the experimental group was higher at 3 and 6 months follow-up, but exhibited no advantage in long-term follow-up. In the experimental group, the total resection rate was higher in patients whose Hardy-Knosp grading decreased to <= 2 than those whose Hardy-Knosp grading is still >= 3 after drug pretreatment. In conclusion, presurgical long-acting octreotide treatment effectively reduces tumor size and invasion, which helps enhance early remission rates of invasive macroadenomas by transsphenoidal surgery, but does not appear to improve the long-term cure rate.
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