Veri-T: A Trial of Verdiperstat in Patients With svPPA Due to TDP-43 Pathology

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18-85
SponsorPeter Ljubenkov, MD

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

64 Participants
are divided into 2 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