PF-06863135

Overview

PF-06863135 is a B-cell Maturation Antigen (BCMA)-CD3 bispecific antibody being tested in multiple myeloma.

SparkCures ID 302
Developed By Pfizer
Generic Name PF-06863135
Treatment Classifications
Treatment Targets

Clinical Trials

All Clinical Trials

View all active clinical trials around the US.

Early Relapse Multiple Myeloma

The following is a listing of clinical trials for patients with multiple myeloma who have received one to two prior lines of therapy.

Late Relapse Multiple Myeloma

The following is a listing of clinical trials for patients with multiple myeloma who have received three or more prior lines of therapy.

Smoldering Myeloma
Monoclonal Gammopathy of Undetermined Significance (MGUS)

Published Results

Pfizer Reports Positive Clinical Data for BCMA-CD3 Bispecific Antibody (PF-06863135) in Multiple Myeloma

December 07, 2020

The primary objectives of this portion of the study were to assess safety and tolerability of PF-06863135 administered subcutaneously, to determine the maximum tolerated dose, and to select the recommended Phase 2 dose. In the study, no dose-limiting toxicities were observed across any of the subcutaneous dose levels evaluated (80 to 1,000 μg/kg weekly) during dose escalation. Cytokine release syndrome (CRS) was reported in 73.3% of patients and was limited exclusively to grade 1 (56.7%) or grade 2 (16.7%). Grade 3 or higher adverse events (AEs) occurring in more than 10% of patients included lymphopenia (53.3%), neutropenia (26.7%), thrombocytopenia (16.7%) and anemia (16.7%).

The overall response rate (ORR) was 80% among the 20 patients treated in cohorts across the efficacious dose range of 215 to 1,000 μg/kg weekly. Among these 20 patients, six achieved stringent complete response or complete response, three achieved very good partial response, and six achieved partial response. Three responding patients had received at least one prior BCMA-targeted therapy. At the highest dose level of 1,000 μg/kg, the ORR was 83% (5/6 patients). Based on these data, 1,000 μg/kg weekly is the recommended Phase 2 dose.

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