Arena Pharmaceuticals’ Strategic Collaboration with Aristea Therapeutics

Wilson Sonsini Goodrich & Rosati advised Aristea Therapeutics on the deal.

Arena Pharmaceuticals, Inc. and Aristea Therapeutics, Inc. announced a strategic collaboration to advance the clinical development of RIST4721, an oral CXCR2 antagonist being developed for the treatment of palmoplantar pustulosis (PPP) and other neutrophil-mediated diseases.

According the press release, Arena will provide a $60 million upfront payment to Aristea and a $10 million equity investment in Aristea’s Series B financing. Aristea also has granted Arena an exclusive option to acquire Aristea, including all rights to CXCR2 programs, upon completion of the Phase 2b study of RIST4721 in PPP.

The Wilson Sonsini team advising Aristea Therapeutics in the transaction includes the following attorneys: Miranda Biven (Picture), John Krocak, Colin Bosch, Sai Upadhyayula, Dan Koeppen, Jason Skolnik, Meghan Burton, 
Daniel Canavan, Kexi Wang, Dennis Grady, Michael Hostetler, Ingo Hardt, Chen Zhao, David Hoffmeister, Eva Yin, Scott McCall, Michael Klippert, Todd Hahn, Baasil Shariff, Jonathan Zhu, Derek Wallace and Nika Antonikova. 

Involved fees earner: Nika Antonikova – Wilson Sonsini Goodrich & Rosati; Miranda Biven – Wilson Sonsini Goodrich & Rosati; Colin Bosch – Wilson Sonsini Goodrich & Rosati; Meghan Burton – Wilson Sonsini Goodrich & Rosati; Daniel Canavan – Wilson Sonsini Goodrich & Rosati; Dennis Grady – Wilson Sonsini Goodrich & Rosati; Todd Hahn – Wilson Sonsini Goodrich & Rosati; Ingo Hardt – Wilson Sonsini Goodrich & Rosati; David Hoffmeister – Wilson Sonsini Goodrich & Rosati; Michael Hostetler – Wilson Sonsini Goodrich & Rosati; Michael Klippert – Wilson Sonsini Goodrich & Rosati; Dan Koeppen – Wilson Sonsini Goodrich & Rosati; John Krocak – Wilson Sonsini Goodrich & Rosati; Scott McCall – Wilson Sonsini Goodrich & Rosati; Baasil Shariff – Wilson Sonsini Goodrich & Rosati; Jason Skolnik – Wilson Sonsini Goodrich & Rosati; Saikrishna Upadhyayula – Wilson Sonsini Goodrich & Rosati; Derek Wallace – Wilson Sonsini Goodrich & Rosati; Kexi Wang – Wilson Sonsini Goodrich & Rosati; Eva Yin – Wilson Sonsini Goodrich & Rosati; Chen Zhao – Wilson Sonsini Goodrich & Rosati; Jonathan Zhu – Wilson Sonsini Goodrich & Rosati;

Law Firms: Wilson Sonsini Goodrich & Rosati;

Clients: Aristea Therapeutics;

Author: Martina Bellini