Nektar Therapeutics and Bristol-Myers Squibb Amend Strategic Collaboration Agreement for bempegaldesleukin Plus Opdivo (nivolumab) This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20200110005103/en/ https://ir.nektar.com/news-releases/news-release-details/nektar-therapeutics-and-bristol-myers-squibb-amend-strategic