German Remedies, which is a part of Zydus Group, has launched interferon beta-1b under the brand name "Betaferon" in India for the treatment of multiple sclerosis (MS). According to a release issued by Cadila Healthcare to the BSE, Betaferon is a subcutaneous injection and is the only Interferon efficacious even in the secondary progressive stage of multiple sclerosis. The product is being marketed in collaboration with Schering AG, Germany, the release said.