Anti-TauC3 Monoclonal Antibody Progressive Supranuclear Palsy http://www.intellectns.com/pipeline/target-diseases ... Drugs in development for PSP include: BMS-968168 ( Bristol-Myers Squibb ) and ABBV-8E12 ( AbbVie ) both of which are anti-tau antibodies in Phase 1; and several drugs in preclinical stage development. .