** Shares of Orthocell Ltd rise as much as 10.4% to A$0.53, their highest since Dec 17, 2021
** Biotechnology firm says it has received a regulatory approval from the Health Sciences Authority in Singapore
** Co says approval is for OCC to commence sales of its nerve repair product, Remplir, in Singapore
** Adds, it is on track to receive U.S. FDA regulatory clearance in Q1 CY25
** OCC stock up 17.1% YTD
(Reporting by Ayushman Ojha in Bengaluru)
((Ayushman.ojha@thomsonreuters.com))