BeiGene Receives New Approvals for BRUKINSA (zanubrutinib) in China

BRUKINSA is approved for first-line treatment for CLL/SLL and WM in China and has multiple approved indications in more than 65 markets worldwide

BeiGene (NASDAQ: BGNE; HKEX: 06160; SSE: 688235), a global biotechnology company, today announced the China National Medical Products Administration (NMPA) approved four applications for BRUKINSA (zanubrutinib), the company's Bruton's tyrosine kinase inhibitor (BTKi), including two Supplemental New Drug Applications for treatment-naïve adults with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) and Waldenström's macroglobulinemia (WM), and two Supplemental Applications for conversions from conditional approval to regular approval.

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BeiGene BeiGene Receives New Approvals for BRUKINSA® (zanubrutinib) in China (Photo: Business Wire)

"These approvals further support BRUKINSA as the BTKi of choice in China for the treatment of B-cell malignancies such as CLL and WM," said Lai Wang, Ph.D., Global Head of R&D at BeiGene. "We look forward to bringing people living with CLL and WM a new first-line treatment option as we work to support the Healthy China initiative and reduce global health inequity."

BRUKINSA previously received conditional approvals from NMPA for the treatment of adult patients with CLL/SLL and mantle cell lymphoma (MCL) who have received at least one prior therapy (R/R CLL/SLL and R/R MCL) in June 2020, and conditional approval for the treatment of adult patients with WM who have received at least one prior therapy (R/R WM) in June 2021. NMPA converted these conditional approvals to regular approvals for R/R CLL/SLL and R/R WM in April 2023.

"CLL/SLL and WM patients are predominantly populated in the elderly, and there are increasing needs for improved efficacy and safety in CLL/SLL and WM treatments," said Professor Ma Jun, Director of the Harbin Institute of Hematology Oncology, Chief Supervisor of Supervisory Committee at the Chinese Society of Clinical Oncology. "BRUKINSA has been recommended as the preferred regimen of multiple subtypes of lymphoma in both national and international guidelinesⁱ,ⁱⁱ,ⁱⁱⁱ,^iv,^v. With these important approvals, BRUKINSA now becomes the only approved new-generation BTK inhibitor in China for the first-line treatment of adult CLL/SLL and WM patients, bringing healthcare providers in China with a new standard of care for their patients."

The new approvals of BRUKINSA for CLL/SLL are supported by data from SEQUOIA (NCT03336333), in patients with previously untreated CLL/SLL. The new approvals of BRUKINSA for WM are based on data from ASPEN (NCT03053440), the first and only global Phase 3 head-to-head clinical trial of BTK inhibitors in WM.

About Chronic Lymphocytic Leukemia (CLL) Small Lymphocytic Lymphoma (SLL)

A slow-growing, life-threatening and incurable cancer of adults, CLL is a type of mature B-cell malignancy in which abnormal leukemic B lymphocytes (a type of white blood cells) arise from the bone marrow and flood peripheral blood, bone marrow, and lymphoid tissues^vi,^vii ,^viii. CLL is one of the most common types of leukemia, accounting for about one-quarter of new cases of leukemia^ix. CLL and SLL are considered different manifestations of the same disease. Approximately 180 of every 100,000 people in China have CLL/SLL, accounting for 1% to 3% of all non-Hodgkin lymphoma cases^x

About Waldenström's Macroglobulinemia (WM)

WM is a rare, slow-growing lymphoma that occurs in less than two percent of patients with non-Hodgkin's lymphoma (NHL)^xi. The disease usually affects older adults and is primarily found in the bone marrow, although it may also impact lymph nodes and the spleen^xii. In China, there are an estimated 88,200 patients diagnosed with lymphoma each year. Approximately 91% of these cases are classified as NHL, amounting to ~1,000 newly diagnosed WM patients per year in China^{xiii, viii}

About BRUKINSA (zanubrutinib)

BRUKINSA is a small molecule inhibitor of Bruton's tyrosine kinase (BTK) discovered by BeiGene scientists that is currently being evaluated globally in a broad clinical program as a monotherapy and in combination with other therapies to treat various B-cell malignancies. Because new BTK is continuously synthesized, BRUKINSA was specifically designed to deliver complete and sustained inhibition of the BTK protein by optimizing bioavailability, half-life, and selectivity. With differentiated pharmacokinetics compared to other approved BTK inhibitors, BRUKINSA has been demonstrated to inhibit the proliferation of malignant B cells within a number of disease relevant tissues.

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 www.beigene.com 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 the potential for BRUKINSA to become the BTKi of choice in China for patients with CLL or WM, and the benefits of such treatment for those patients; BeiGene's efforts to make BRUKINSA more broadly available to patients in China and to reduce global health inequities;the future development and regulatory filing and approval of BRUKINSA in other markets; 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.

References

ⁱ NCCN Guidelines. Chronic Lymphocytic Leukemia/ Small Lymphocytic Lymphoma. V2.2023.

ⁱⁱ NCCN Guidelines. B-Cell Lymphomas.V2.2023.

ⁱⁱⁱ NCCN Guidelines. Waldenström Macroglobulinemia Lymphoplasmacytic Lymphoma.V1.2023.

^iv CSCO ??????? 2023.

^v CSCO ????????? 2023

^vi National Cancer Institute. Surveillance, Epidemiology, and End Results Program. Cancer Stat Facts: Leukemia -Chronic Lymphocytic Leukemia (CLL). Accessed October 4,2021. https://seer.cancer.gov/statfacts/html/clyl.html

^vii Aster JC, Freedman A. Non-Hodgkin lymphomas and chronic lymphocytic leukemias. In: Aster JC, Bunn HF (eds.). Pathophysiology of Blood Disorders. 2nd ed. McGraw-Hill Education; 2017:chap 22.

^viii American Cancer Society. What is chronic lymphocytic leukemia? Updated May 10, 2018. Accessed December 6, 2020. https://www.cancer.org/cancer/chronic-lymphocytic-leukemia/about/what-is-cll.html

^ix Yao Y, Lin X, Li F, Jin J, Wang H. The global burden and attributable risk factors of chronic lymphocytic leukemia in 204 countries and territories from 1990 to 2019: analysis based on the global burden of disease study 2019. Biomed Eng Online. 2022 Jan 11;21(1):4. doi: 10.1186/s12938-021-00973-6. PMID: 35016695; PMCID: PMC8753864.

^xhttps://mp.weixin.qq.com/s?__biz=MzA4ODQxMjgzNw==&mid=2654028680&idx=1&sn=af420ac7e860be0b26463c2e71c6e3f4&chksm=8bef6442bc98ed5477c5b17bb4973baa552611206f55c8c4b11ba9e7d7f032389914c3dcb45a&scene=27

^xi Tam, et al. A randomized phase 3 trial of zanubrutinib vs ibrutinib in symptomatic Waldenström macroglobulinemia: the ASPEN study. Blood. October 2020. 136(18): 2038-2050.

^xii Lymphoma Research Foundation. Available at https://lymphoma.org/aboutlymphoma/nhl/wm/. Accessed December 2020.

^xiii Chen, et al. Cancer statistics in China, 2015 [J]. CA: A Cancer Journal for Clinicians, 2016, 66(2):115-132.

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