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September 1, 2020
Athenex Announces FDA Acceptance for Filing of U.S. NDA for Oral Paclitaxel and Encequidar in Metastatic Breast Cancer with Priority Review

FDA grants Priority Review and sets PDUFA target action date of February 28, 2021

FDA indicated that it is not currently planning to hold an advisory committee meeting

BUFFALO, N.Y., Sept. 01, 2020 (GLOBE NEWSWIRE) -- Athenex, Inc. (NASDAQ: ATNX), a global biopharmaceutical company dedicated to the discovery, development and commercialization of novel therapies for the treatment of cancer and related conditions, today announced that the U.S. Food and Drug Administration (FDA) has accepted for filing the Company’s New Drug Application (NDA) for oral paclitaxel and encequidar (Oral Paclitaxel) for the treatment of metastatic breast cancer and has granted the application Priority Review. The FDA grants Priority Review to applications for potential drugs that, if approved, would be significant improvements in the safety or effectiveness of the treatment, diagnosis, or prevention of serious conditions when compared to standard applications1. Under the Prescription Drug User Fee Act (PDUFA), the FDA has set a target action date of February 28, 2021. Additionally, the FDA has communicated that it is not currently planning to hold an advisory committee meeting to discuss the application.

“We are working diligently with the FDA on this Priority Review to bring Oral Paclitaxel to patients with metastatic breast cancer as quickly as possible,” said Dr. Rudolf Kwan, Chief Medical Officer of Athenex. “Intravenous (IV) Paclitaxel is a foundational chemotherapy in multiple tumor types and we plan to invest in broadening the label and uses for Oral Paclitaxel.”

Dr. Johnson Lau, Chairman and Chief Executive Officer of Athenex, also stated, “We are delighted to have achieved this major milestone for Athenex. We continue to finalize our commercial preparations to ensure a successful launch of Oral Paclitaxel, if approved. We see Oral Paclitaxel as a potentially important alternative to IV infusions, especially during the current pandemic, as it may allow cancer patients to take the oral chemotherapy at home. We believe the Oral Paclitaxel program validates our broader Orascovery platform, and we are committed to applying the technology to convert other IV chemotherapies into oral agents.”

The Oral Paclitaxel NDA submission is supported by data from a single pivotal Phase III study of Oral Paclitaxel for the treatment of metastatic breast cancer. The study is a randomized, controlled clinical trial designed to compare the safety and efficacy of Oral Paclitaxel monotherapy versus IV paclitaxel monotherapy. As previously reported, the study achieved its primary endpoint showing statistically significant improvement in overall response rate, along with a lower neuropathy, for Oral Paclitaxel compared to IV Paclitaxel.

The Orascovery platform was initially developed by Hanmi Pharmaceuticals and licensed exclusively to Athenex for all major worldwide territories except Korea, which is retained by Hanmi.

About Athenex, Inc.
Founded in 2003, Athenex, Inc. is a global clinical stage biopharmaceutical company dedicated to becoming a leader in the discovery, development and commercialization of next generation drugs for the treatment of cancer. Athenex is organized around three platforms, including an Oncology Innovation Platform, a Commercial Platform and a Global Supply Chain Platform. The Company’s current clinical pipeline is derived from four different platform technologies: (1) Orascovery, based on P-glycoprotein inhibitor, (2) Src kinase inhibition, (3) T-cell receptor-engineered T-cells (TCR-T), and (4) Arginine deprivation therapy. Athenex’s employees worldwide are dedicated to improving the lives of cancer patients by creating more active and tolerable treatments.  Athenex has offices in Buffalo and Clarence, New York; Cranford, New Jersey; Houston, Texas; Chicago, Illinois; Hong Kong; Taipei, Taiwan; multiple locations in Chongqing, China; Manchester, UK; Guatemala City, Guatemala and Buenos Aires, Argentina. For more information, please visit www.athenex.com.

References
1 https://www.fda.gov/patients/fast-track-breakthrough-therapy-accelerated-approval-priority-review/priority-review

Forward-Looking Statements
Except for historical information, all of the statements, expectations, and assumptions contained in this press release are forward-looking statements. These forward-looking statements are typically identified by terms such as “anticipate,” “believe,” “consider,” “continue,” “could,” “estimate,” “expect,” “foresee,” “goal,” “guidance,” “intend,” “likely,” “may,” “plan,” “potential,” “predict,” “preliminary,” “probable,” “project,” “promising,” “seek,” “should,” “will,” “would,” and similar expressions. Actual results might differ materially from those explicit or implicit in the forward-looking statements. Important factors that could cause actual results to differ materially include: the development stage of our primary clinical candidates and related risks involved in drug development, clinical trials, regulation, manufacturing and commercialization; our reliance on third parties for success in certain areas of Athenex’s business; our history of operating losses and need to raise additional capital to continue as a going concern; uncertainties around our ability to meet funding conditions under our financing agreements and access to capital thereunder; risks and uncertainties related to the COVID-19 pandemic and its potential impact on our operations, cash flow and financial condition; competition; intellectual property risks; risks relating to doing business internationally and in China; the risk of production slowdowns or stoppages or other interruptions at our Chongqing facilities; and the other risk factors set forth from time to time in our SEC filings, copies of which are available for free in the Investor Relations section of our website at http://ir.athenex.com/phoenix.zhtml?c=254495&p=irol-sec or upon request from our Investor Relations Department. All information provided in this release is as of the date hereof and we assume no obligation and do not intend to update these forward-looking statements, except as required by law.

CONTACTS
Athenex, Inc.:
Daniel Lang, MD
Corporate Development and Corporate Communications
Email: danlang@athenex.com

Jacqueline Li
Corporate Development and Investor Relations
Email: jacquelineli@athenex.com

Investor Relations:
Tim McCarthy
Managing Director, LifeSci Advisors, LLC
Email: tim@lifesciadvisors.com

 


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Source: Athenex, Inc.