Tumor-Induced Osteomalacia or Epidermal Nevus Syndrome Clinical Trial
Official title:
A Phase 2 Open-Label Trial to Assess the Efficacy and Safety of KRN23 in Patients With Tumor-Induced Osteomalacia or Epidermal Nevus Syndrome and a Post-marketing Study of KRN23 Switched From the Phase 2 Trial
Before switching to the post-marketing study: To evaluate the efficacy and safety of KRN23 after its 144-week once every 4 weeks (Q4W) repeated SC administration to Japanese and Korean patients with TIO or ENS by a multicenter, open-label, intraindividual dose adjustment study. After switching to the post-marketing study: To evaluate the safety and efficacy of KRN23, which is switched from the investigational product to the post-marketing investigational product, at the approved dose and dosing regimen in subjects who continue treatment after the marketing approval of KRN23 in Japan.
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