Generic firms may soon launch generic versions of Roche’s antiviral Valcyte (valganciclovir) but it remains unclear whether Ranbaxy Laboratories Ltd.’s tie up of the generic market for AstraZeneca PLC’s heartburn drug Nexium (esomeprazole) will continue.
Ranbaxy announced in a Nov. 6 statement to the Indian Stock Exchange that FDA had rescinded the tentative approvals it...