< Back to Find a Trial An Extension Study of ABBV-8E12 in Progressive Supranuclear Palsy (M15-563) ID NCT03391765 Condition Studied Progressive Supranuclear Palsy Phase Phase II Status Closed Intervention ABBV-8E12 Principal Investigator Peter Ljubenkov, MD [email protected] 415-502-7562 Sponsor AbbVie Please go to ClinicalTrials.gov for more information.