Roche:Trontier 1
A phase III, Multicenter, randomized, double-blind, placebo-controlled, parallel-group efficacy and safety study of trontinemab in participants with early symptomatic Alzheimer's Disease (MCI to mild dementia due toAD)
Trontinemab (RO7126209) is a 2+1 bispecific monoclonal antibody (mAb) construct that combines, through recombinant fusion, the anti-amyloid-beta (A) antibody gantenerumab with a Brainshuttle module that specifically binds to the human transferrin receptor 1 (TfR1)
Induction Dose: IV Q4w for 24 weeks
Maintenance Dose: IVQ12 w for 47 w( w25-72)
Site Enrollment Status: Close to enrollment
Inclusion
- Age 50-90
- MMSE score ≥ 22
- CDR-GS of 0.5 or 1.0
- Evidence of AD pathological process, as confirmed on amyloid PET scan, visual read by the core/central PET laboratory. A CSF tau181/Aβ42 ratio may be used as an alternative option if amyloid PET is not available
Exclusion
- Any previous or current use of passive immunotherapy (immunoglobulin) or other long-acting biologic agent that is approved or under evaluation, or has been evaluated to prevent or postpone cognitive decline
- Any other investigational treatment within 5 half-lives or 4 months prior to screening, whichever is longer
- IV immunoglobulin therapy within 5 half-lives or 4 months prior to baseline, whichever is longer
- Anticoagulation medications at screening, and there should be no plans to initiate any prior to or after randomization