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Study, 1979

Does dydrogesterone or pyridoxine work better for premenstrual syndrome?

Dydrogesterone worked for 70% of women with premenstrual syndrome, while pyridoxine worked for 55%. At least 3 months of treatment is needed to see if either helps.

Moderate study design 500 women with premenstrual syndrome (part of a larger group of 2000 studied over 5 years)

What they did

Researchers treated 500 women with premenstrual syndrome over 5 years as part of a larger study of 2000 women. Women received either dydrogesterone (10 mg twice daily from day 12 to day 26 of the cycle), pyridoxine (40 mg twice daily), or in some cases spironolactone, bromocriptine, or MAOIs. Researchers tracked whether women were cured or greatly relieved of their symptoms.

What they found

Dydrogesterone produced an overall response rate of 70%, meaning 70% of women were cured or greatly relieved. Pyridoxine had an overall response of 55%. Some women who did not respond to dydrogesterone benefitted greatly from pyridoxine.

What it means for you

Dydrogesterone appears more effective overall, especially for fluid retention and depression. Pyridoxine may work better for breast discomfort. This was observational rather than a controlled comparison, so we cannot be certain which is truly better. At least 3 months of treatment is needed to assess effectiveness.

70%

women greatly relieved or cured with dydrogesterone

55%

women greatly relieved or cured with pyridoxine

500

women treated in this analysis

About the study

Original title
The clinician's view of patients with premenstrual syndrome
Authors
RONALD W. TAYLOR, C. E. James
Journal
Current Medical Research and Opinion
Year
1979
Study design
Study
Participants
500
What was tested
Dydrogesterone, pyridoxine, spironolactone, bromocriptine, or MAOIs

Topics