Axovant Sciences, the Bermuda-based, late-stage biotech developing an Alzheimer's drug, is relying on Burson-Marsteller for PR support as it pursues an initial public offering.

axovantAxovant slates a New York Stock Exchange listing with a goal of raising $251M.

The company bought its lead drug candidate from GlaxoSmithKline in December 2014 and hopes to take the treatment where Glaxo could not -- to effectiveness and to market. Stage 3 clinical trials are set for the end of 2015.

Axovant has ties to a hedge fund financier and the UK-based drug company Dexcel Pharma.

Sharron Silvers, a financial PR veteran and senior director at Burson, is advising Axovant.