Randomised controlled trial
Olsen et al. — minoxidil 5% vs 2% vs placebo
Olsen EA et al., Journal of the American Academy of Dermatology, 2002;47(3):377–385
- Participants
- 393
- Duration
- 48 weeks
- Comparator
- Minoxidil 2% and placebo
In men with androgenetic alopecia, 5% topical minoxidil produced greater hair count and subjective hair regrowth change vs 2% minoxidil and vs placebo over 48 weeks. Trial results do not predict individual outcomes.
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