FDA Advisory Committee Provides Unanimous Recommendation For Subcutaneous Rituximab Coformulated With Halozyme Enhanze Technology

SAN DIEGO, March 29, 2017 /PRNewswire/ -- Halozyme Therapeutics, Inc. (NASDAQ: HALO), a biotechnology company developing novel oncology and drug-delivery therapies, today announced that an Oncologic Drug Advisory Committee of the U.S. Food and Drug Administration voted 11 to 0 that the benefit/risk of rituximab/hyaluronidase for subcutaneous (under the skin) injection was favorable for patients in the proposed indications of follicular lymphoma, diffuse large B-cell lymphoma and chronic lymphocytic leukemia. The FDA action date is June 26, 2017.

"We are pleased with the support from today's advisory committee," said Dr. Helen Torley, president and chief executive officer. "Upon approval, subcutaneous rituximab would offer a new treatment option for U.S. patients that could reduce the administration time for the rituximab portion of their treatment to 5 to 7 minutes as compared with an hour and a half or more for intravenous administration."

Efficacy, safety, pharmacokinetic and patient-reported outcome data from five clinical studies presented by Genentech, a member of the Roche Group, at today's advisory committee meeting supported the rituximab SC application.

Rituximab co-formulated with Halozyme's recombinant human hyaluronidase was approved in Europe in 2014 and is currently marketed as the subcutaneous (SC) formulation of MabThera^® (rituximab) in approximately 50 countries worldwide.

About Halozyme

Halozyme Therapeutics is a biotechnology company focused on developing and commercializing novel oncology therapies that target the tumor microenvironment. Halozyme's lead proprietary program, investigational drug PEGPH20, applies a unique approach to targeting solid tumors, allowing increased access of co-administered cancer drug therapies to the tumor in animal models. PEGPH20 is currently in development for metastatic pancreatic cancer, non-small cell lung cancer, gastric cancer, metastatic breast cancer and has potential across additional cancers in combination with different types of cancer therapies. In addition to its proprietary product portfolio, Halozyme has established value-driving partnerships with leading pharmaceutical companies including Roche, Baxalta, Pfizer, Janssen, AbbVie and Lilly for its ENHANZE™ drug delivery platform. Halozyme is headquartered in San Diego. For more information visit www.halozyme.com.

Safe Harbor Statement

In addition to historical information, the statements set forth above include forward-looking statements (including, without limitation, statements concerning the possible activity, benefits and attributes of PEGPH20, the possible method of action of PEGPH20, its potential application to improve cancer therapies, including in combination with ABRAXANE and gemcitabine, and statements concerning future actions relating to the development of PEGPH20, including receipt by the FDA of breakthrough therapy designation) that involve risk and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. The forward-looking statements are typically, but not always, identified through use of the words "believe," "enable," "may," "will," "could," "intends," "estimate," "anticipate," "plan," "predict," "probable," "potential," "possible," "should," "continue," and other words of similar meaning. Actual results could differ materially from the expectations contained in forward-looking statements as a result of several factors, including unexpected expenditures and costs, unexpected results or delays in development and regulatory review, regulatory approval requirements, unexpected adverse events and competitive conditions. These and other factors that may result in differences are discussed in greater detail in the Company's most recent Annual and Quarterly Reports filed with the Securities and Exchange Commission.

Contacts:
Jim Mazzola
858-704-8122
ir@halozyme.com

Chris Burton
858-704-8352
ir@halozyme.com

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SOURCE Halozyme Therapeutics, Inc.