americanpharmaceuticacreviewNovember 09, 2017
Tag: OncoSec , ImmunoPulse IL-12 , Pembrolizumab
OncoSec announced positive updated long-term follow-up data from its Phase 2 OMS I-102 combination study of ImmunoPulse IL-12 and pembrolizumab in patients unlikely to respond to anti-PD-1 therapy.
The updated clinical and correlative immune-focused biomarker data demonstrated a 57% progression free survival (PFS) rate at 15 months with 100% (11/11) duration of response and median PFS not yet reached. Building upon previously reported data of a best overall response rate (BORR) of 50% (41% complete response [CR] rate), the updated data further demonstrate that the combination of these therapies can prime a coordinated innate and adaptive immune response, and strongly suggests a synergistic relationship with anti-PD-1. The latest findings further demonstrate that this combination approach can reshape the tumor microenvironment, yielding a robust intratumoral and systemic anti-tumor response converting "cold" tumors to "hot," potentially improving clinical outcomes in patients predicted to not respond to anti-PD-1 therapy.
"Overall, the Phase 2 trial results, including progression free survival beyond two years in multiple patients, duration of response, best overall response rate, and tolerability of the combination, provide a strong and consistent theme across multiple endpoints, underscoring the promise of ImmunoPulse IL-12 plus pembrolizumab as a viable treatment option for patients diagnosed with metastatic melanoma," said Dr. Alain Algazi, Lead Trial Investigator, Associate Professor, Department of Medicine (Hematology/Oncology), at the University of California San Francisco (UCSF) Helen Diller Family Comprehensive Cancer Center.
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