BeyondSpring Granted New U.S. Patent for Plinabulin to Treat Severe Chemotherapy-Induced Neutropenia from Taxane in Cancer Patients

May 13, 2020

NEW YORK, May 13, 2020 (GLOBE NEWSWIRE) — BeyondSpring (the “Company” or “BeyondSpring”) (NASDAQ: BYSI), a global biopharmaceutical company focused on the development of innovative immuno-oncology cancer therapies, today announced that the United States Patent and Trademark Office (USPTO) has granted the Company a new patent, U.S. 10,596,169, for methods of treating severe chemotherapy-induced neutropenia (CIN) from Taxane in cancer patients by administering its lead asset Plinabulin, with protection through 2033.

“This is the first U.S. patent establishing Plinabulin’s beneficial effects in reducing CIN associated with taxane, one of the most commonly used chemotherapies,” said Dr. Lan Huang, BeyondSpring’s Co-founder, Chairman and CEO, and the inventor of this patent. “Plinabulin’s CIN reduction benefit gives oncologists the potential to optimize care for their patients and give them a better tool to aid in their fight against cancer. This patent is the first of a series of patents that protect Plinabulin’s novel benefits in reducing CIN.”

Plinabulin is currently in Phase 3 global clinical development for CIN prevention and non-small cell lung cancer (NSCLC) treatment. BeyondSpring currently owns 74 patents related to Plinabulin and its analogs, which have been granted in 36 jurisdictions, including 16 U.S. patents, with protection through 2036.

About BeyondSpring
BeyondSpring is a global, clinical-stage biopharmaceutical company focused on the development of innovative immuno-oncology cancer therapies. BeyondSpring’s lead asset, first-in-class agent Plinabulin as an immune and stem cell modulator, is in a Phase 3 global clinical trial as a direct anticancer agent in the treatment of non-small cell lung cancer (NSCLC) and two Phase 3 clinical programs in the prevention of CIN. BeyondSpring has strong R&D capabilities with a robust pipeline in addition to Plinabulin, including three immuno-oncology assets and a drug discovery platform using the protein degradation pathway. The Company also has a seasoned management team with many years of experience bringing drugs to the global market. BeyondSpring is headquartered in New York City.

About Plinabulin
Plinabulin, BeyondSpring’s lead asset, is a differentiated immune and stem cell modulator. Plinabulin is currently in late-stage clinical development to increase overall survival in cancer patients, as well as to alleviate chemotherapy-induced neutropenia (CIN). The durable anticancer benefits of Plinabulin have been associated with its effect as a potent antigen-presenting cell (APC) inducer (through dendritic cell maturation) and T-cell activation (Chem and Cell Reports, 2019). Plinabulin’s CIN data highlights the ability to boost the number of hematopoietic stem / progenitor cells (HSPCs), or lineage-/cKit+/Sca1+ (LSK) cells in mice. Effects on HSPCs could explain the ability of Plinabulin to not only treat CIN but also to reduce chemotherapy-induced thrombocytopenia and increase circulating CD34+ cells in patients.

Cautionary Note Regarding Forward-Looking Statements
This press release includes forward-looking statements that are not historical facts. Words such as “will,” “expect,” “anticipate,” “plan,” “believe,” “design,” “may,” “future,” “estimate,” “predict,” “objective,” “goal,” or variations thereof and variations of such words and similar expressions are intended to identify such forward-looking statements. Forward-looking statements are based on BeyondSpring’s current knowledge and its present beliefs and expectations regarding possible future events and are subject to risks, uncertainties and assumptions. Actual results and the timing of events could differ materially from those anticipated in these forward-looking statements as a result of several factors including, but not limited to, difficulties raising the anticipated amount needed to finance the Company’s future operations on terms acceptable to the Company, if at all, unexpected results of clinical trials, delays or denial in regulatory approval process, results that do not meet our expectations regarding the potential safety, the ultimate efficacy or clinical utility of our product candidates, increased competition in the market, and other risks described in BeyondSpring’s most recent Form 20-F on file with the U.S. Securities and Exchange Commission. All forward-looking statements made herein speak only as of the date of this release and BeyondSpring undertakes no obligation to update publicly such forward-looking statements to reflect subsequent events or circumstances, except as otherwise required by law.


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