- Kintor Pharmaceutical: KX-826, a New Name in Hair Loss Research KX-826 (pyrilutamide) is an experimental topical androgen receptor blocker from Kintor Pharmaceutical. It is not approved as a medicine anywhere; the company reports that its China Phase III trial met its primary endpoint at 24 weeks, but the trial data has been released through corporate announcements rather than peer-reviewed journals and long-term safety is unknown.
highly targeted anti-androgen that might have minimal systemic effects