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Current treatment issues in female hyperprolactinaemia - PubMed

  • ️Sun Jan 01 2006

Review

. 2006 Apr 1;125(2):152-64.

doi: 10.1016/j.ejogrb.2005.10.005. Epub 2005 Nov 9.

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Review

Current treatment issues in female hyperprolactinaemia

Pier Giorgio Crosignani. Eur J Obstet Gynecol Reprod Biol. 2006.

Abstract

High prolactin levels can occur as a physiological condition in females who are pregnant or lactating. As a pathological condition, hyperprolactinaemia is associated with gonadal dysfunction, infertility and an increased risk of long-term complications including osteoporosis. The most frequent cause of persistent hyperprolactinaemia is the presence of a micro- (<10mm diameter) or macroprolactinoma (>/=10mm). These pituitary tumours may produce an excessive amount of prolactin or disrupt the normal delivery of dopamine from the hypothalamus to the pituitary; prolactin secretion from the pituitary is inhibited by dopamine released from neurones in the hypothalamus. Medications including anti-psychotics can induce hyperprolactinaemia, while idiopathic hyperprolactinaemia accounts for 30-40% of cases. The prevalence of hyperprolactinaemia is difficult to establish as not all sufferers are symptomatic or concerned by their symptoms and may remain undiagnosed. Symptoms of hyperprolactinaemia include signs of hypogonadism, with oligomenorrhoea, amenorrhoea and galactorrhoea frequently observed. Pharmacological intervention should be considered the first line therapy and involves the use of dopamine agonists to reduce tumour size and prolactin levels. Bromocriptine has the longest history of use and is a well-established, inexpensive, safe and effective therapy option. However, bromocriptine requires multiple daily dosing and some patients are resistant or intolerant to this therapy. The two newer dopamine agonists, quinagolide and cabergoline, provide more effective and better tolerated treatments compared with bromocriptine and may offer effective therapies for bromocriptine-resistant or intolerant patients. Quinagolide can be used until pregnancy is confirmed and may result in improved compliance in females wishing to become pregnant. For patients with hyperprolactinaemia, pregnancy is safe and can frequently be beneficial, inducing a decrease in prolactin levels. There does not appear to be any increased risk of abortion, malformations or multiple births in pregnancies achieved with bromocriptine and this dopamine agonist can be used safely during pregnancy. Surgery should be considered only in certain circumstances, and for the majority of patients, dopamine agonists will be sufficient to alleviate symptoms and restore normal prolactin levels.

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