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D J Hamilton

Publications and source records attributed to D J Hamilton.

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Effect of bromocriptine and pergolide on pituitary tumor size and serum prolactin.

Forty-two patients with elevated serum prolactin were treated in a randomized, open-label trial with the conventional ergot bromocriptine, or a new ergot pergolide. Before treatment, the patients underwent thorough endocrine evaluation and computed tomographic scan. All patients had prolactin levels greater than 25 ng/ml, and 27 patients had a pituitary mass. Follow-up studies performed after 6 months of treatment showed both drugs effectively reduced prolactin levels to normal, though pergolide effects were more rapid. There was no change in the contents of the pituitary fossa in the 10 patients with hyperprolactinemia but without pituitary mass. Sixty percent of patients with pituitary mass had diminution of tumor size. Pergolide appears to be an effective medical treatment for hyperprolactinemia and pituitary tumor and offers a possible alternative to bromocriptine and surgical treatment.

Bromocriptine↗