Efficacy of a new long-acting injectable form of bromocriptine in hyperprolactinaemic patients.

Abstract:

OBJECTIVE:The objective of this study was to assess the relationship of different doses of a long-acting bromocriptine preparation (Parlodel LAR) to the degree and duration of PRL suppression. We also measured circulating bromocriptine levels and altered tolerability of the drug. DESIGN:A double-blind randomized study of three different doses 25, 50 and 100 mg of Parlodel LAR. PATIENTS:Twenty-one female patients (seven patients/dose) with both tumoral and non-tumoral hyperprolactinaemia. MEASUREMENTS:After a single injection of Parlodel LAR 25, 50 or 100 mg, serum PRL and plasma bromocriptine levels were assessed during a follow-up of 60 days together with changes in clinical symptoms and signs of hyperprolactinaemia. RESULTS:Serum PRL levels normalized in 19 of 21 patients. The suppression of PRL secretion lasted 28 days in four of seven patients treated with either 25 or 50 mg Parlodel LAR and in five of seven patients who received Parlodel LAR 100 mg. In five of seven patients treated with the 100 mg dose, serum PRL levels were still within the normal range on day 60. Plasma bromocriptine levels remained therapeutically active for 28 days in all three groups. On day 60 they were within the therapeutic range only in the 100 mg group. Clinical data show a rapid disappearance of symptoms and signs of hyperprolactinaemia. Adverse events were mostly mild and transient. CONCLUSIONS:These data support the excellent efficacy and good tolerability of Parlodel LAR in patients with hyperprolactinaemia.

journal_name

Clin Endocrinol (Oxf)

journal_title

Clinical endocrinology

authors

Pagani MD,Tengattini F,Montini M,Pagani G,Pedroncelli A,Gianola D,Gherardi F,Mazzocchi N,Cortesi L,Lancranjan I

doi

10.1111/j.1365-2265.1992.tb01462.x

keywords:

subject

Has Abstract

pub_date

1992-04-01 00:00:00

pages

369-74

issue

4

eissn

0300-0664

issn

1365-2265

journal_volume

36

pub_type

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