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BeiGene Announces Positive CHMP Opinion for Tislelizumab as a Treatment for Advanced or Metastatic ESCC

BeiGene (Nasdaq: BGNE; HKEX: 06160; SSE: 688235), a global biotechnology company, today announced that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a positive opinion recommending approval for tislelizumab as monotherapy for the treatment of adult patients with unresectable, locally advanced or metastatic esophageal squamous cell carcinoma (ESCC) after prior platinum-based chemotherapy.

“Tislelizumab is the first medicine to come from BeiGene’s immuno-oncology research program and our team partnered with patients, caregivers, and clinical researchers across the world to generate the evidence supporting this CHMP recommendation,” said Lai Wang, Ph.D., Global Head of R&D at BeiGene. “We continue to make progress in our mission to bring the highest quality therapies to more people around the world and look forward to working with Novartis and health authorities on regulatory filings for tislelizumab.”

The Marketing Authorization Application (MAA) for ESCC is based on results from BeiGene’s RATIONALE 302, a global, randomized, open-label, Phase 3 study (NCT03430843) to investigate the efficacy and safety of tislelizumab when compared with investigator’s choice chemotherapy as a second-line treatment for patients with unresectable, locally advanced or metastatic ESCC. The study enrolled 513 patients from 132 research sites in 11 countries in Asia, Europe, and North America. The study met its primary endpoint with a statistically significant and clinically meaningful survival benefit for tislelizumab compared with chemotherapy (HR 0.70 [95%CI 0.57 - 0.85]; one-sided P=.0001; median overall survival 8.6 vs 6.3 months). The safety profile for tislelizumab was consistent with previous trials.i The MAA included safety data for 1,972 patients who received tislelizumab monotherapy in seven clinical trials.

Tislelizumab is not currently authorized for use in Europe.

About ESCCii

Globally, esophageal cancer (EC) is the sixth most common cause of cancer-related deaths and ESCC is the most common histologic subtype, accounting for more than 85% of ECs. An estimated 957,000 new EC cases are projected in 2040, an increase of nearly 60% from 2020 that underscores the need for additional effective treatments.

About Tislelizumab

Tislelizumab is a humanized IgG4 anti-PD-1 monoclonal antibody specifically designed to minimize binding to Fc-gamma (Fcγ) receptors on macrophages, helping to aid the body’s immune cells to detect and fight tumors. In pre-clinical studies, binding to Fcγ receptors on macrophages has been shown to compromise the anti-tumor activity of PD-1 antibodies through activation of antibody-dependent macrophage-mediated killing of T effector cells.

In 2021, BeiGene and Novartis announced a collaboration agreement to jointly develop tislelizumab in the United States, Canada, Mexico, member countries of the European Union, United Kingdom, Norway, Switzerland, Iceland, Liechtenstein, Russia, and Japan. Under the agreement Novartis is responsible for regulatory submission and has the right to commercialize in these licensed countries following regulatory approval.

The EMA is reviewing a MAA for tislelizumab as a treatment for locally advanced or metastatic non-small cell lung cancer (NSCLC) after prior chemotherapy, and in combination with chemotherapy for previously untreated locally advanced or metastatic NSCLC. Regulatory submissions for tislelizumab are also under review by authorities in the U.S., U.K., Australia, China, New Zealand, Brazil, Korea, Switzerland and Indonesia.

More than 12,000 patients from across the world have participated in the tislelizumab development program that encompasses 21 registration-enabling clinical trials in more than 30 countries and regions. To date, BeiGene has announced positive readouts from 10 Phase 3 pivotal studies across multiple tumor types and disease settings such as NSCLC, Small Cell Lung Cancer, Gastric Cancer, ESCC, Hepatocellular Cancer, and Nasopharyngeal Cancer. More information on the clinical trial program for tislelizumab can be found at:

About BeiGene

BeiGene is a global biotechnology company that is discovering and developing innovative oncology treatments that are more affordable and accessible to cancer patients worldwide. With a broad portfolio, we are expediting development of our diverse pipeline of novel therapeutics through our internal capabilities and collaborations. We are committed to radically improving access to medicines for far more patients who need them. Our growing global team of more than 9,400 colleagues spans five continents, with administrative offices in Basel, Beijing, and Cambridge, U.S. To learn more about BeiGene, please visit and follow us on Twitter at @BeiGeneGlobal.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities laws, including statements regarding BeiGene’s progress to expand the highest quality therapies to more people around the world; the future development, regulatory filing and approval of tislelizumab; and BeiGene’s plans, commitments, aspirations, and goals under the heading “About BeiGene.” Actual results may differ materially from those indicated in the forward-looking statements as a result of various important factors, including BeiGene's ability to demonstrate the efficacy and safety of its drug candidates; the clinical results for its drug candidates, which may not support further development or marketing approval; actions of regulatory agencies, which may affect the initiation, timing, and progress of clinical trials and marketing approval; BeiGene's ability to achieve commercial success for its marketed medicines and drug candidates, if approved; BeiGene's ability to obtain and maintain protection of intellectual property for its medicines and technology; BeiGene's reliance on third parties to conduct drug development, manufacturing, and other services; BeiGene’s limited experience in obtaining regulatory approvals and commercializing pharmaceutical products and its ability to obtain additional funding for operations and to complete the development and commercialization of its drug candidates and achieve and maintain profitability; and the impact of the COVID-19 pandemic on BeiGene’s clinical development, regulatory, commercial, manufacturing, and other operations, as well as those risks more fully discussed in the section entitled “Risk Factors” in BeiGene’s most recent quarterly report on Form 10-Q, as well as discussions of potential risks, uncertainties, and other important factors in BeiGene's subsequent filings with the U.S. Securities and Exchange Commission. All information in this press release is as of the date of this press release, and BeiGene undertakes no duty to update such information unless required by law.

i Shen, L., Kato, K., Kim, S. B., Ajani, J. A., Zhao, K., He, Z., ... & Van Cutsem, E. (2022). Tislelizumab versus chemotherapy as second-line treatment for advanced or metastatic esophageal squamous cell carcinoma (RATIONALE-302): A randomized phase III study. Journal of Clinical Oncology, 40(26), 3065-3076. DOI: 10.1200/JCO.21.01926

ii Morgan, E., Soerjomataram, I., Rumgay, H., Coleman, H. G., Thrift, A. P., Vignat, J., ... & Arnold, M. (2022). The global landscape of esophageal squamous cell carcinoma and esophageal adenocarcinoma incidence and mortality in 2020 and projections to 2040: new estimates from GLOBOCAN 2020. Gastroenterology, 163(3), 649-658.


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