Head-to-head evidence
Milsaperidone (VHX-896) vs Quetiapine (Seroquel XR)
Same mechanism, same race: design-graded trial evidence for both assets, with the grading rationale shown. Grades describe the quality of the evidence, never the merits of either security.
Schizophrenia
Shared mechanism: Dopamine D2 and serotonin 5-HT2A receptors (antagonist) · full Schizophrenia pipeline
Milsaperidone (VHX-896)
Marketed by Vanda Pharmaceuticals
NCT06494397 · Phase 1 · completed
Every participant in this trial received both VHX-896 and iloperidone, just in a different order, so there is no separate group that shows what happens without VHX-896, and nobody was blinded to which drug was being given at each stage. The trial measured drug levels in the blood to compare the two products, not any change in psychiatric symptoms, and results have not been posted yet.
Quetiapine (Seroquel XR)
Marketed by Cheplapharm Arzneimittel GmbH and partners
NCT00640601 · Phase 3 · completed
This was a nonrandomized, single-group, open-label study of 295 treated participants, without a placebo or active comparator. Although 56.88% were reported to have improved clinical benefit on the primary CGI-CB measure, the uncontrolled design cannot determine how much of the improvement was due to quetiapine rather than other factors.
Next expected readout: February 2032 · NCT07152184 (registry estimate)
The full competitive landscape for each asset (every same-race competitor with aligned evidence, sortable) is on the asset pages: Milsaperidone (VHX-896)'s landscape · Quetiapine (Seroquel XR)'s landscape