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Coherus and Junshi Biosciences to Present Positive Progression Free Survival and Overall Survival Results from JUPITER-06, a Phase 3 Clinical Trial Evaluating Toripalimab in Combination with Chemotherapy as First-Line Treatment for Advanced Esophageal...

Published: 2021-09-16 22:28:00 ET
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Coherus and Junshi Biosciences to Present Positive Progression Free Survival and Overall Survival Results from JUPITER-06, a Phase 3 Clinical Trial Evaluating Toripalimab in Combination with Chemotherapy as First-Line Treatment for Advanced Esophageal Squamous Cell Carcinoma

- Interim results to be presented September 17 at the European Society for Medical Oncology (ESMO) Congress 2021 -

- Data support the use of toripalimab with chemotherapy as first-line therapy for patients with ESCC –

- Coherus and Junshi Biosciences plan to submit a BLA supplement for 1L ESCC in 2022 –

SHANGHAI, China, and REDWOOD CITY, Calif., Sept. 16, 2021 (GLOBE NEWSWIRE) -- Coherus BioSciences, Inc. (“Coherus”, Nasdaq: CHRS) and Shanghai Junshi Biosciences Co., Ltd. (“Junshi Biosciences”, HKEX: 1877; SSE: 688180) today announced positive interim results from the pivotal study “JUPITER-06” (NCT03829969), a randomized, double-blind, placebo-controlled Phase 3 clinical trial evaluating toripalimab in combination with chemotherapy as a first-line therapy for patients with advanced or metastatic esophageal squamous cell carcinoma (ESCC). The study met the co-primary endpoints with statistically significant and clinically meaningful improvements in progression free survival (PFS) and overall survival (OS) for patients treated with the toripalimab and chemotherapy combination compared to chemotherapy alone.

The results will be summarized by Dr. Feng Wang, Professor at Sun Yat-sen University Cancer Center (SYUCC), Guangzhou, in a mini-oral session during the ESMO Congress 2021 on Friday, September 17, 2021 at 12:05 pm Eastern Time. The abstract (#1373MO) is now available on the ESMO website.

“The findings of this interim analysis provide strong evidence that the addition of toripalimab to chemotherapy as a first-line treatment for advanced or metastatic ESCC patients has superior PFS and OS than chemotherapy alone,” said Dr. Wang. “We look forward to updated analyses of overall survival of the JUPITER-06 study in the future and believe that these results will build a strong argument to support the use of toripalimab in combination with chemotherapy as a new standard first-line treatment in patients with advanced or metastatic ESCC.”

“A strong and consistent efficacy and safety profile is emerging for toripalimab across multiple tumor types as data read out from pivotal clinical trials in melanoma, nasopharyngeal carcinoma, urothelial cancer, lung cancer and now also esophageal squamous cell carcinoma,” said Dr. Patricia Keegan, Chief Medical Officer of Junshi Biosciences. “We believe toripalimab could be a potential new treatment choice where patients truly need better options. We will collaborate with Coherus to advance a BLA supplement for ESCC to make toripalimab available as quickly as possible for these patients in the U.S.”

“With JUPITER-06, toripalimab has once again exhibited compelling efficacy in a first-line setting,” said Denny Lanfear, CEO of Coherus. “The significant PFS and similarly robust overall survival data demonstrate that toripalimab in combination with chemotherapy could provide significant clinical benefits to patients with advanced or metastatic esophageal squamous cell carcinoma. We plan to work closely with our partner, Junshi Biosciences, to pursue a BLA supplement for this new indication expeditiously.”

About JUPITER-06A total of 514 treatment-naive advanced or metastatic patients were randomized (1:1) to receive toripalimab or placebo in combination with paclitaxel plus cisplatin chemotherapy followed by toripalimab or placebo maintenance. The primary endpoints were PFS as assessed by a blinded independent central review (BICR) and overall survival (OS).

  • At a prespecified interim analysis on March 22, 2021, with median follow-up of 7.4 and 7.3 months in the two arms, there was a significant improvement in OS for the toripalimab-chemotherapy arm compared to the placebo-chemotherapy arm (HR=0.58 [95% CI: 0.43-0.78], P=0.00037) with median OS of 17.0 vs. 11.0 months;
  • One-year OS rates were 66.0% vs.43.7% for the toripalimab-chemotherapy arm compared to the placebo-chemotherapy arm, respectively;
  • A significant improvement in PFS assessed by BICR was also detected for the toripalimab-chemotherapy arm compared to the placebo-chemotherapy arm (HR=0.58 [95% CI: 0.46-0.74], P