The US Bankruptcy Court granted an order for the joint administration of the Chapter 11 bankruptcy cases of Athersys, Inc. and its affiliates on January 12, 2024. The affiliates include ABT Holding Company, Advanced Biotherapeutics, Inc., ReGenesys, LLC, and ReGenesys BVBA. The cases would be jointly administered for administrative and procedural purposes.

Athersys, Inc. has been designated as the lead debtor.