Study on the Effect of Berberine, Myoinositol, and Metformin in Women with Polycystic Ovary Syndrome: A Prospective Randomised Study.
Level 2 - randomized trial
Individual randomized controlled trial
PubMed 35251851 · doi:10.7759/cureus.21781
What was done
A prospective randomized study compared three treatments over three months in women with polycystic ovary syndrome (PCOS). Participants were randomly assigned via computer-generated randomization to berberine hydrochloride (500 mg twice daily), metformin hydrochloride (500 mg twice daily), or myoinositol (1000 mg twice daily). Clinical anthropometrics (weight, BMI, waist circumference, waist-to-hip ratio), metabolic markers (fasting blood sugar, fasting insulin, fasting glucose/insulin ratio), hormonal markers (total testosterone, sex hormone-binding globulin, free androgen index), and lipid profile parameters were assessed before and after three months.
What was found
The abstract reports statistically significant differences within the three groups across all measured anthropometric, metabolic, hormonal, and lipid parameters after three months (p<0.0001). However, no baseline values, post-treatment numbers, effect sizes, or confidence intervals are reported in the abstract. Berberine was reported to yield greater improvements in clinical, hormonal, and lipid parameters than metformin and myoinositol, while myoinositol yielded greater improvements in carbohydrate metabolic markers.
Why it matters
This trial suggests that berberine and myoinositol provide distinct therapeutic benefits in PCOS, indicating potential roles as tailored alternatives or complements to metformin based on cardiovascular, hormonal, or metabolic risk profiles.
Limits
The abstract omits the sample size (n), participant baseline characteristics, blinding methodology, dropout rates, and adverse event profiles. No exact numerical data or effect sizes are provided, and the treatment duration was limited to three months.
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