Skip to content

Randomised trial, 1997

Does serotonin play a role in PMS and can a drug acting on serotonin help?

Yes, a serotonin-acting drug improved PMS symptoms when given during the premenstrual phase, suggesting serotonin is involved. However, serotonin appears to be a modulating factor rather than the primary cause.

Early or limited evidence 10 women with PMS and 10 healthy controls

What they did

A double-blind study with 10 women with PMS and 10 healthy controls. Each received a single oral dose of m-CPP (0.5 mg/kg), a drug that acts on serotonin, during both the follicular and luteal phases. Hormone levels and behavioral responses were measured.

What they found

m-CPP during the luteal phase resulted in acute improvement of PMS symptoms. The cortisol and ACTH hormone responses to m-CPP were blunted in women with PMS compared with controls in both phases. Data suggest dysregulation of the hypothalamic-pituitary-adrenal axis but little evidence for luteal phase-specific serotonergic dysfunction.

What it means for you

Serotonin appears involved in PMS as a modulating factor, not the primary cause. The hormone regulation system may also play a role. This is a very small single-dose study, so findings are preliminary.

10

women with PMS

10

healthy controls

0.5 mg/kg

m-CPP dose

About the study

Original title
Effect of menstrual cycle phase on neuroendocrine and behavioral responses to the serotonin agonist m-chlorophenylpiperazine in women with premenstrual syndrome and controls
Authors
Su TP, Schmidt PJ, Danaceau M et al.
Journal
The Journal of clinical endocrinology and metabolism
Year
1997
Study design
Randomised trial
Participants
10
What was tested
Single oral dose of m-CPP (0.5 mg/kg) given during follicular and luteal phases

Topics