RecruitingPhase 1Drug trialVeri-T: A Trial of Verdiperstat in Patients With svPPA Due to TDP-43 PathologyThe 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.