CC-93269 is a T-cell bi-specific antibody targeting both BCMA and CD3 in patients with multiple myeloma.
SparkCures ID | 311 |
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Developed By | Celgene Corporation, a wholly owned subsidiary of Bristol Myers Squibb |
Generic Name | Alnuctamab |
Additional Names | cc-93269 |
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Treatment Targets |
View all active clinical trials around the US.
The following is a listing of clinical trials for patients with multiple myeloma who have received one to two prior lines of therapy.
The following is a listing of clinical trials for patients with multiple myeloma who have received three or more prior lines of therapy.
December 10, 2022
At data cutoff on May 31, 2022, 70 pts have received IV ALNUC, 39% (27/70) achieved an objective response, and median progression-free survival was 13.3 wks (95% CI, 8.1–23.9). Median DOR in pts achieving a response with IV ALNUC was 146.1 wks (95% CI, 40.6–not reached).
Forty-seven pts were treated with SC ALNUC in dose escalation (10 mg: n = 6; 15 mg: n = 4; 30 mg: n = 6; 60 mg: n = 3) and dose expansion (10 mg: n = 19; 30 mg: n = 9). Median age was 63 yrs; 55% were female. Pts received a median of 4 prior regimens; 98% had myeloma refractory to the last LOT, 96%/62% had triple-class exposed/refractory myeloma, and 60%/21% had penta-drug exposed/refractory myeloma. At the May 31, 2022 data cutoff, median duration of follow-up was 2.6 mo (range, 0–11.4), and 68% (n = 32) of pts were continuing SC ALNUC treatment.
Any-grade/grade 3–4 treatment-emergent adverse events occurred in 89%/62% of treated pts; the most common were CRS (53%/0%), neutropenia (34%/30%), and anemia (34%/17%). All CRS events were limited to grade 1 (21 pts; 45%) or grade 2 (4 pts; 9%); 20 pts received ≥ 1 concomitant medication for CRS, including tocilizumab (n = 12) and/or corticosteroids (n = 8). Median time to CRS onset was 3 d (range, 1–20); median duration was 2 d (range, 1–11). In 16 pts with grade 3–4 neutropenia, median time to resolution (grade ≤ 2) was 6 d (range, 1–36). There was one grade 1 immune effector cell-associated neurotoxicity event. No pts discontinued treatment due to adverse events; no treatment-related deaths occurred.
Preliminary population pharmacokinetic analysis estimated SC ALNUC bioavailability of ~70%; 30 mg SC achieved similar concentrations observed with 10 mg IV Cmax by end of C1; baseline body weight was not a significant covariate of exposure. Hallmark pharmacodynamic effects of TCEs were observed with SC and IV ALNUC (peripheral blood immune cell redistribution, transient cytokine release, and induction of T-cell factors associated with antitumor activity).
Among 41 efficacy-evaluable (EE) pts treated with SC ALNUC (received ≥ 1 dose and had ≥ 1 post-baseline disease assessment), ORR was 51% (21/41 pts) across all dosing regimens and 77% (10/13 pts) in pts receiving target doses ≥ 30 mg (Figure). Among the 21 pts who achieved a response, 14 pts had evaluable MRD samples, and all (100%) were MRD negative (10-5 sensitivity) at C2D1 or C4D1. Median time to response was 4.3 wks (range, 4.1–17.4), and all 21 responses (100%) were ongoing.
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