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Randomised trial, 2015

Does taking sertraline only when PMDD symptoms start, instead of every day, help?

Yes, taking sertraline just during the symptomatic days of the cycle improved mood and irritability more than placebo, though the main symptom scale did not quite reach statistical significance.

Strong study design 252 women with PMDD treated at 3 US university medical centers

What they did

A double-blind, placebo-controlled trial at 3 university medical centers. 252 women with PMDD took either sertraline (50 to 100 mg/d) or placebo, starting at symptom onset and stopping a few days into their period, for 6 menstrual cycles.

What they found

On the main symptom scale (PMTS), sertraline and placebo both improved, with a group difference of 1.88 points that was not quite significant (P = .06). On other measures sertraline did better: depression scores (IDS-C) improved more by 5.14 points (P = .02), overall daily symptom scores (DRSP) improved by 1.09 points (P = .02), and anger/irritability improved by 1.22 points (P < .01). 67.0% of sertraline users responded to treatment.

What it means for you

This suggests that only taking sertraline during the bad days of the cycle, rather than every day, can still ease PMDD symptoms, especially irritability and low mood, though the benefit on the primary measure was borderline.

252

women in the trial

67.0%

responded to sertraline

P = .06

main symptom scale, not quite significant

About the study

Original title
Symptom-Onset Dosing of Sertraline for the Treatment of Premenstrual Dysphoric Disorder: A Randomized Clinical Trial
Authors
Yonkers KA, Kornstein SG, Gueorguieva R et al.
Journal
JAMA psychiatry
Year
2015
Study design
Randomised trial
Participants
252
What was tested
Sertraline (50-100 mg/day) taken only from symptom onset until the start of the period, compared with placebo, over 6 cycles
Open access
Yes

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