Vifor Pharma Group ’s goal of becoming a world leader in nephrology has moved closer with the expansion of its pact with Cara Therapeutics, Inc. of the US which extends the Swiss group's rights to Korsuva, the partners' soon-to-be filed therapy for dialysis patients with chronic kidney disease-associated pruritus (CKD-aP).
The deal, which could be worth up to $440m follows an alliance inked in 2018 in which the joint venture...








