Puma Biotechnology Licensing Partner CANbridge Pharmaceuticals Receives Registration Approval in Hong Kong for NERLYNX (neratinib) for Extended…

LOS ANGELES--(BUSINESS WIRE)--Puma Biotechnology, Inc. (Nasdaq: PBYI) announced that its licensing partner in Greater China, CANbridge Pharmaceuticals Inc., has received registration approval from the Department of Health in Hong Kong to market NERLYNX (neratinib) for the extended adjuvant treatment of adult patients with early stage hormone receptor positive HER2-overexpressed/amplified breast cancer and who have completed adjuvant trastuzumab-based therapy less than one year ago.

The rapid and smooth advancement of NERLYNX through the Hong Kong regulatory process to market approval is a testament to the quality of our regulatory expertise, and the CANbridge commitment to bring new treatments to underserved patient populations in greater China, said James Xue, PhD, Founder, Chairman and CEO, CANbridge Pharmaceuticals. With this first targeted therapy approved in our oncology platform, CANbridge is able to provide women in Hong Kong, with HER2-positive breast cancer at risk of recurrence, a new and vital treatment option shortly after approval in the West.

Alan H. Auerbach, Puma Biotechnologys Chairman, Chief Executive Officer and President, added, This registration approval through our partnership with CANbridge represents an important market entry for us as we execute on our global commercial strategy. CANbridge has the commercial infrastructure and resources to provide NERLYNX to patients in the region.

About HER2-Positive Breast Cancer

Approximately 20 to 25 percent of breast cancer tumors over-express the HER2 protein. HER2-positive breast cancer is often more aggressive than other types of breast cancer, increasing the risk of disease progression and death. Although research has shown that trastuzumab can reduce the risk of early stage HER2-positive breast cancer returning after surgery, up to 25% of patients treated with trastuzumab experience recurrence.

About CANbridge Pharmaceuticals

CANbridge Pharmaceuticals Inc. is a China-based biopharmaceutical company accelerating development and commercialization of specialty healthcare products for orphan diseases and targeted cancers, focusing on products that are unavailable or address medical needs that are underserved in the region. CANbridge has been widely recognized as a leader in orphan diseases in China. It has a global partnership with WuXi Biologics to develop and commercialize proprietary therapeutics for the treatment of rare genetic diseases. In addition, it has an exclusive licensing agreement to commercialize Hunterase, an enzyme replacement therapy for the treatment of Hunter syndrome, developed by GC Pharma and marketed in more than ten countries worldwide. CANbridge also has an oncology portfolio, which includes exclusive rights to develop and commercialize Puma Biotechnologys NERLYNX (neratinib), approved in the United States, and rights to other novel candidates.

About Puma Biotechnology

Puma Biotechnology, Inc. is a biopharmaceutical company with a focus on the development and commercialization of innovative products to enhance cancer care. Puma in-licenses the global development and commercialization rights to PB272 (neratinib, oral), PB272 (neratinib, intravenous) and PB357. Neratinib, oral was approved by the U.S. Food and Drug Administration in July 2017 for the extended adjuvant treatment of adult patients with early stage HER2-overexpressed/amplified breast cancer, following adjuvant trastuzumab-based therapy, and is marketed in the United States as NERLYNX (neratinib) tablets. NERLYNX was granted marketing authorization by the European Commission in August 2018 for the extended adjuvant treatment of adult patients with early stage hormone receptor-positive HER2-overexpressed/amplified breast cancer and who are less than one year from completion of prior adjuvant trastuzumab-based therapy. NERLYNX is a registered trademark of Puma Biotechnology, Inc.

Further information about Puma Biotechnology may be found at http://www.pumabiotechnology.com.

Important Safety Information Regarding NERLYNX (neratinib) U.S. Indication

NERLYNX (neratinib) tablets, for oral use

INDICATIONS AND USAGE: NERLYNX is a kinase inhibitor indicated for the extended adjuvant treatment of adult patients with HER2 overexpressed/amplified breast cancer, to follow adjuvant trastuzumab-based therapy.

CONTRAINDICATIONS: None

WARNINGS AND PRECAUTIONS:

ADVERSE REACTIONS: The most common adverse reactions ( 5%) were diarrhea, nausea, abdominal pain, fatigue, vomiting, rash, stomatitis, decreased appetite, muscle spasms, dyspepsia, AST or ALT increase, nail disorder, dry skin, abdominal distention, weight decreased and urinary tract infection.

To report SUSPECTED ADVERSE REACTIONS, contact Puma Biotechnology, Inc. at 1-844-NERLYNX (1-844-637-5969) and http://www.NERLYNX.com or FDA at 1-800-FDA-1088 or http://www.fda.gov/medwatch.

DRUG INTERACTIONS:

USE IN SPECIFIC POPULATIONS:

Please see Full Prescribing Information for additional safety information.

The recommended dose of NERLYNX is 240 mg (six 40 mg tablets) given orally once daily with food, continuously for one year. Antidiarrheal prophylaxis should be initiated with the first dose of NERLYNX and continued during the first 2 months (56 days) of treatment and as needed thereafter.

To help ensure patients have access to NERLYNX, Puma has implemented the Puma Patient Lynx support program to assist patients and healthcare providers with reimbursement support and referrals to resources that can help with financial assistance. More information on the Puma Patient Lynx program can be found at http://www.NERLYNX.com or 1-855-816-5421.

Forward-Looking Statements

This press release contains forward-looking statements, including statements regarding the worldwide expansion of NERLYNX. All forward-looking statements involve risks and uncertainties that could cause Pumas actual results to differ materially from the anticipated results and expectations expressed in these forward-looking statements. These statements are based on current expectations, forecasts and assumptions, and actual outcomes and results could differ materially from these statements due to a number of factors, which include, but are not limited to, the risk factors disclosed in the periodic and current reports filed by Puma with the Securities and Exchange Commission from time to time, including Pumas Annual Report on Form 10-K for the year ended December 31, 2018. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. Puma assumes no obligation to update these forward-looking statements, except as required by law.

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Puma Biotechnology Licensing Partner CANbridge Pharmaceuticals Receives Registration Approval in Hong Kong for NERLYNX (neratinib) for Extended...