Head-to-head evidence
Acellbia vs PF-05280586
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.
Rheumatoid Arthritis
Shared mechanism: CD20 · full Rheumatoid Arthritis pipeline
Acellbia
Developed by Biocad
NCT02744196 · Phase 3 · completed
This was a randomized, triple-blinded, placebo-controlled trial with 159 patients and a validated disease-response primary endpoint (ACR20). The result was clearly positive: 65.7% of Acellbia-treated patients achieved ACR20 at week 24 versus 29.4% on placebo (p<0.0001).
PF-05280586
Marketed by Pfizer
NCT01526057 · Phase 2 · completed
The 220-participant trial was randomized, quadruple-blind, and actively controlled with European- and US-sourced rituximab. The primary pharmacokinetic comparisons met the prespecified equivalence range for both peak concentration and total drug exposure, but these were surrogate measures rather than hard clinical outcomes, supporting a moderate evidence grade.
The full competitive landscape for each asset (every same-race competitor with aligned evidence, sortable) is on the asset pages: Acellbia's landscape · PF-05280586's landscape