About this trial
The purpose of the study is to test the safety and tolerability of twice daily Verdiperstat in patients with semantic variant primary progressive aphasia (svPPA) due to frontotemporal lobar degeneration with TDP-43 pathology (FTLD-TDP). Three-fourths of the participants will receive Verdiperstat and one-fourth will receive Placebo during the 24-week treatment duration.
Eligibility criteria
Qualifiers
Between 18 and 85 years of age (inclusive) at the initial screening visit;
Meets 2011 consensus criteria for svPPA (Gorno-Tempini et al. 2011);
MRI at screening is consistent with the underlying svPPA with no large strokes or severe white matter disease (Fazekas Grade ≤2; Fazekas et al. 1987);
CDR® plus NACC FTLD (Miyagawa et al. 2020) global score at screening ≤1;
Disqualifiers
Has a reliable study partner who agrees to accompany the participant to visits, and spends at least 5 hours per week with the participant;
Agrees to 2 LPs;
Signed and dated written informed consent obtained from the participant and the participant's study partner in accordance with local Institutional Review Board (IRB) regulations;
WOCBP must agree to abstain from sex or use highly effective birth control that includes two methods of contraception (one of which must be a barrier method) for the duration of the screening period, the RDBPC treatment period, and for 30 days after the last dose of study drug (active or placebo);
Trial design
Treatments tested in this trial
- Verdiperstat
Treatment groups
Sponsors and collaborators
Peter Ljubenkov, MD
Lead sponsor
University of California, San Francisco
Sponsor institution
National Institutes of Health (NIH)
Collaborator
Alzheimer's Association
Collaborator
National Institute on Aging (NIA)
Collaborator