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15th Apr, 2026 12:00 AM
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Cosmo Pharma's Male Hair Loss Treatment Shows Sustained Hair Growth in Year‑long Study

* Cosmo on Wednesday said men who stayed on clascoterone for12 months saw a statistically significant 2.39-times improvementin hair count compared to those who stopped the treatment aftersix months. * The Ireland-based company said patients who stoppedtreatment after six months ‌experienced a meaningful decline inhair count compared to patients on clascoterone who sawcontinued ​hair growth ‌throughout the 12 months. * Clascoterone is ‌a topical solution that works by blockingthe effects of male hormones in the scalp, which are a maincause of ⁠hair follicle shrinkage and hair loss. * The drug's ‌safety profile over 12 months ⁠was comparable toplacebo, with no ​meaningful hormone-related side effectsreported, Cosmo said. * Cosmo ‌said it plans to file for U.S. regulatory approvalin early 2027 and aims to submit the full data from thelate-stage studies for publication at scientific meetings. * Cosmo CEO Giovanni ​Di Napoli told Reuters the company isalso exploring options ‌to ‌license the drug. "We want to find aperfect partner that can scale this drug and can reach ‌millionsof men globally as ​quickly as possible. So that's our goal andthat's what we're going to do over the next few weeks andmonths," he said. * Other companies developing novel treatments ⁠for hair lossinclude Pelage Pharmaceuticals, whose PP405 is an experimentaltopical therapy ‌to restart hair growth in men and women.

April 15 (Reuters) - Cosmo Pharmaceuticals said on Wednesday its experimental hair loss treatment showed sustained hair growth ⁠and long-term safety in men with common pattern baldness after a year of use.

The year‑long extension study follows late-stage data ⁠reported in December, when the topical drug, called clascoterone, met its main goals in two large studies ⁠where it showed significant hair ‌growth in 1,465 men over six months.

(Reporting by Sneha S K and Sahil ​Pandey in Bengaluru; Editing by Maju Samuel)


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