Dec 31 (Reuters) - VIVUS Inc VVUS.O :
* Announces intent to reacquire U.S. and Canadian rights for Stendra(R)
(avanafil)
* Has been notified by auxilium pharmaceuticals of auxilium's intention to
return U.S. and Canadian commercial rights for stendraâ to Vivus
* Source text for Eikon ID:nMKWRRlrQa
* Further company coverage VVUS.O