Head-to-head evidence

Evorpacept vs Maplirpacept

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.

Multiple Myeloma

Shared mechanism: CD47 · full Multiple Myeloma pipeline

Evorpacept

Developed by ALX Oncology Inc.

fusion protein (CD47 blocker)
not yet graded

No graded featured trial for this indication yet; the grade above reflects that absence, not a judgment.

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Maplirpacept

Developed by Pfizer

Phase 1 in Multiple Myelomafusion protein (SIRPalpha-Fc, CD47 blocker)
Weak signal

NCT03530683 · Phase 1 · terminated

This is an open, non-randomized, single-arm dose-escalation study without a comparator or blinding, designed to characterize side effects and find a dose rather than test whether the drug works. Registry results were not posted at the time of grading; the key result shown was recovered from the cited external source.

This is an interim readout of the monotherapy dose-escalation portion of the study, not the final result for the full trial.

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The full competitive landscape for each asset (every same-race competitor with aligned evidence, sortable) is on the asset pages: Evorpacept's landscape · Maplirpacept's landscape