A Study to Assess Efficacy, Safety, Tolerability, and Pharmacokinetics of ABBV-8E12 in Subjects With Progressive Supranuclear Palsy (PSP)
Progressive Supranuclear Palsy
About this trial
This is an interventional treatment trial for Progressive Supranuclear Palsy focused on measuring PSP, Steele-Richardson-Olszewski syndrome, Tauopathy
Eligibility Criteria
Key Inclusion Criteria:
- Male or female participant with age 40 years or greater at the time of signed consent
- Meets the criteria for possible or probable progressive supranuclear palsy (PSP; Steele-Richardson-Olszewski Syndrome)
- Presence of PSP symptoms for less than 5 years
- Participant is able to walk 5 steps with minimal assistance (stabilization of one arm or use of cane/walker)
- Participant has an identified, reliable, study partner (e.g., caregiver, family member, social worker, or friend)
Key Exclusion Criteria:
- Participants who weigh less than 44 kg (97 lbs) at screening
- Mini-Mental State Examination (MMSE) score less than 15 at screening
- Any contraindication or inability to tolerate brain magnetic resonance imaging (MRI)
- Participant resides at a skilled nursing or dementia care facility, or admission to such a facility is planned during the study period
- Evidence of any clinically significant neurological disorder other than PSP
- The participant has a history of or currently has schizophrenia, schizoaffective disorder or bipolar disorder according to Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-V) or International Classification of Diseases (ICD-10) criteria
- Participant has had a significant illness or infection requiring medical intervention in the past 30 days
Sites / Locations
- University of Alabama at Birmingham - Main /ID# 144892
- Mayo Clinic - Scottsdale /ID# 144893
- Cedars-Sinai Medical Center /ID# 149775
- Ucsd /Id# 144905
- Usc /Id# 149773
- University of California, Los Angeles /ID# 144896
- Univ California, San Francisco /ID# 144897
- Rocky Mountain Movement Disorders Center /ID# 153397
- University of Florida - Archer /ID# 144906
- Mayo Clinic /ID# 144911
- University of South Florida /ID# 144912
- Georgia Regents University /ID# 144908
- Rush University Medical Center /ID# 144894
- University of Chicago /ID# 148672
- Indiana University /ID# 149036
- University of Kentucky Chandler Medical Center /ID# 144891
- Mayo Clinic - Rochester /ID# 144895
- St. Luke's Hosp. of Kansas Cit /ID# 168629
- Cleveland Clinic Lou Ruvo Cent /ID# 148919
- Rutgers Robert Wood Johnson /ID# 144901
- COLUMBIA University Medical Center /ID# 149037
- Cleveland Clinic Main Campus /ID# 144885
- Oregon Health and Science University /ID# 149774
- Vanderbilt Univ Med Ctr /ID# 144898
- Kerwin Research Center /ID# 144904
- McGovern Medical School /ID# 149236
- Central Texas Neurology Consul /ID# 167417
- Westmead Hospital /ID# 154403
- Q-Pharm Pty Limited /ID# 154410
- Royal Adelaide Hospital /ID# 153157
- Alfred Hospital /ID# 153158
- Neurodegenerative Disorders Re /ID# 153770
- University of Calgary /ID# 154393
- OCT Research ULC /ID# 169688
- Toronto Western Hospital /ID# 152818
- Crchum /Id# 152819
- Montreal Neurological Institut /ID# 156413
- Hopital Universitaire Purpan /ID# 153152
- Hopital de la Timone /ID# 153113
- Chu de Bordeaux Hopital /Id# 153151
- Hopital B Roger Salengro /ID# 153943
- Hopital Pitie Salpetriere /ID# 153942
- CHU Strasbourg Hautepierre Hos /ID# 206942
- St. Josef-Hospital /ID# 201984
- Universitaetsklinikum Leipzig /ID# 201761
- Universitaetsklinikum Ulm /ID# 153155
- KH Agatharied /ID# 154166
- TU Uniklinik Munchen /ID# 153154
- Universita di Catanzaro Magna Graecia /ID# 166322
- Policlinico Agostino Gemelli /ID# 153104
- IBD Center - IRCCS Istituto Clinico Humanitas /ID# 155092
- Fondazione IRCCS Istituto Neurologico Carlo Besta /ID# 201982
- Istituto Neuro Mediterraneo IR /ID# 153106
- A.O. Santa Maria /ID# 153102
- IRCCS Ospedale San Camillo /ID# 153101
- National Hospital Organization Higashinagoya National Hospital /ID# 201514
- National Hospital Organization Asahikawa Medical Center /ID# 201585
- National Hospital Organization Utano National Hospital /ID# 201979
- Tohoku University Hospital /ID# 202307
- NHO Sendai Nishitaga National Hospital /ID# 202132
- Niigata University Medical & Dental Hospital /ID# 201680
- Osaka University Hospital /ID# 201980
- Juntendo University Hospital /ID# 200870
- National Center of Neurology and Psychiatry /ID# 202037
- Hospital General Universitario Gregorio Maranon /ID# 200876
- Hosp Univ Virgen del Rocio /ID# 201039
Arms of the Study
Arm 1
Arm 2
Arm 3
Placebo Comparator
Experimental
Experimental
Placebo
ABBV-8E12 2000 mg
ABBV-8E12 4000 mg
0.9% Sodium Chloride Injection/Solution for Infusion; intravenous infusions at Day 1, Day 15, and Day 29, then every 28 days for 52 weeks
Intravenous infusions at Day 1, Day 15, and Day 29, then every 28 days for 52 weeks; 300 mg/15 mL (participants in countries other than Japan or Spain); 1000 mg/10 mL (for participants in Japan or Spain)
Intravenous infusions at Day 1, Day 15, and Day 29, then every 28 days for 52 weeks; 300 mg/15 mL (participants in countries other than Japan or Spain); 1000 mg/10 mL (for participants in Japan or Spain)