* Says FDA's uncertainty may raise time, cost for Relovair

* Scientists find gene key to getting cancer cells to age

WILMINGTON, Del., March 17 (Reuters) - Pfizer Inc
agreed to drop an eight-year-old patent infringement lawsuit
against Eli Lilly & Co over Viagra after a U.S.
government agency rejected part of the male impotence drug's
patent.

CHICAGO, March 17 (Reuters) - Boston Scientific Corp.
could be selling implantable heart rhythm devices again
within 30 days if no new issues arise beyond the paperwork
problems revealed this week.

* Says to market generic if appeals court upholds order

* Shares rise as much as 36 pct
(Adds analyst comments; updates stock movement)

* Court asks patent office to reconsider extension decision

* Sees FY10 sales $145-$153 mln vs prior view $160-$165 mln

For other Reuters Dealtalks, click on [DEALTALK/]
* Pfizer faces rivals Teva, Activis in Ratiopharm auction

March 17 (Reuters) - BioScrip Inc on Wednesday
sold $225 million of senior notes in the 144a private placement
market, said IFR, a Thomson Reuters service.