Oct 31 (Reuters) - Prana Biotechnology Ltd PBT.AX
* Asx alert-prana announces $4.8 million research and development refund-pbt.ax
* These funds will be used to further Prana's development of pbt2 for treatment of huntington disease and pbt434 Source text for Eikon: ID:nASXpmwtP Further company coverage: PBT.AX