Phase I/II study of avadomide (CC-122) in combination with R-CHOP for newly diagnosed DLBCL.
Abstract No : 3501
Abstract Type : Oral Abstract Session
Indication : Diffused Large B-Cell Lymphoma (DLBCL)
Intervention : CC-122
Company : Celgene, a wholly owned subsidiary of Bristol-Myers Squibb
Technology : Small molecule
As of July 30, 2019, 35 pts were enrolled in the phase 1 part of the study. Median age was 66 y (range, 20-75), 23 pts (66%) were aged > 60 y, 18 (51%) had an IPI score of 3, and 17 (49%) had an IPI score of 4-5. Thirty-two pts (91%) completed 6 cycles of treatment. Median relative total dose intensity of avadomide was 99% and the average relative dose intensity of R-CHOP was 95%. Six pts had dose-limiting toxicities: 1 pt had neutropenia and bacterial hepatic infection; 1 had pneumonia; 1 had febrile neutropenia (FN); 1 had FN and hypotension; 1 had FN due to skin infections; and 1 had sepsis. The recommended phase 2 dose was 3 mg 2/3 wk. Grade 3/4 adverse events in ≥10% of pts were neutropenia (54%), anemia (20%), leukopenia (20%), lymphopenia (14%), hypophosphatemia (14%), and FN (11%). Among 34 efficacy-evaluable pts, the ORR was 88% (n = 30/34), including a CR rate of 79% (n = 27/34) at the end of treatment. With a median follow-up of 10 mo, the 1-y PFS rate was 80% (95% CI, 58-92). Correlative analyses will be presented at the meeting.
Avadomide plus R-CHOP was well-tolerated with no significant additive toxicities. The promising efficacy in this high-risk pt population warrants further evaluation of immunomodulatory drugs combined with immunochemotherapy for pts with previously untreated DLBCL.
CC-122 combination with R-CHOP promises increased efiicacy in early results with 88% ORR and 79% at 10 mos follow up
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