Press Release

SAN FRANCISCO, April 20, 2017 /PRNewswire/ -- Nektar Therapeutics (Nasdaq: NKTR) today announced that it is pleased to host an analyst and investor event with clinical investigators on Saturday, June 3, 2017 at 6:00 pm CDT in Chicago, IL during the 2017 American Society of Clinical Oncology (ASCO) Meeting. The event will include a presentation and discussion of updated clinical data for the company's CD122-biased agonist, NKTR-214.  

Data from two studies of NKTR-214 will be reviewed at the event, including the Phase 1 dose-escalation study of NKTR-214 in combination with nivolumab in patients with melanoma, renal cell carcinoma and non-small cell lung cancer (PIVOT-02); and the Phase 1 study of monotherapy NKTR-214 in patients with advanced solid tumors (EXCEL).

Presenters will include Dr. Adi Diab, Assistant Professor, Melanoma Medical Oncology at the University of Texas MD Anderson Cancer Center, Dr. Nizar Tannir, Professor, Genitourinary Medical Oncology at the University of Texas MD Anderson Cancer Center and Dr. Michael Hurwitz, Assistant Professor of Medicine (Medical Oncology) at Yale Cancer Center.

NKTR-214 is an investigational immuno-stimulatory therapy designed to expand specific cancer-fighting CD8+ effector T cells and natural killer (NK) cells directly in the tumor micro-environment and increase expression of PD-1 on these immune cells. NKTR-214 targets CD122 specific receptors found on the surface of these cancer-fighting immune cells in order to stimulate their proliferation.  In preclinical studies, treatment with NKTR-214 resulted in a rapid expansion of these cells and mobilization into the tumor micro-environment.^1,2 NKTR-214 has an antibody-like dosing regimen similar to the existing checkpoint inhibitor class of approved medicines.

Investors and analysts are invited to listen to a live audio webcast of the presentation at http://edge.media-server.com/m/p/guf8mqwk.  The event will also be available for replay for two weeks on the company's website, www.nektar.com.

For those interested in attending this event in person, please contact jsievers@nektar.com. Please RSVP in advance as seating is limited.

About Nektar Therapeutics

Nektar Therapeutics is a research-based development stage biopharmaceutical company whose mission is to discover and develop innovative medicines to address the unmet medical needs of patients. Our R&D pipeline of new investigational medicines includes treatments for cancer, auto-immune disease and chronic pain. We leverage Nektar's proprietary and proven chemistry platform in the discovery and design of our new therapeutic candidates. Nektar is headquartered in San Francisco, California, with additional operations in Huntsville, Alabama and Hyderabad, India. Further information about the company and its drug development programs and capabilities may be found online at http://www.nektar.com.

Cautionary Note Regarding Forward-Looking Statements
This press release contains forward-looking statements which can be identified by words such as: "will," "designed" and similar references to future periods. Examples of forward-looking statements include, among others, statements we make regarding the expected benefits of NKTR-214 as monotherapy and in combination with other immunotherapy agents including nivolumab.  Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based only on our current beliefs, expectations and assumptions regarding the future of our business, future plans and strategies, anticipated events and trends, and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict and many of which are outside of our control. Our actual results may differ materially from those indicated in the forward-looking statements. Therefore, you should not rely on any of these forward-looking statements. Important factors that could cause our actual results to differ materially from those indicated in the forward-looking statements include, among others: (i) NKTR-214 is in early stage clinical development and the risk of failure remains high and failure can unexpectedly occur at any stage for one or more of the cancer indications being studied prior to regulatory approval due to lack of sufficient efficacy, safety considerations or other factors that impact drug development; (ii) scientific discovery of new medical breakthroughs is an inherently uncertain process and the future success of potential new drug candidates such as NKTR-214 is therefore very uncertain and unpredictable and could fail; and (iii) certain other important risks and uncertainties set forth in Nektar's Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission on March 1, 2017. Any forward-looking statement made by us in this press release is based only on information currently available to us and speaks only as of the date on which it is made. We undertake no obligation to update any forward-looking statement, whether written or oral, that may be made from time to time, whether as a result of new information, future developments or otherwise.

Contact:

For Investors: 
Jennifer Ruddock of Nektar Therapeutics
415-482-5585

Jodi Sievers of Nektar Therapeutics
415-482-5593

1. Charych, D., et al., Cancer Res. 2013;73(8 Suppl):Abstract nr 482 and Data on file.
2. Hoch U, at al. AACR; Mol Cancer Ther. 2013;12(11 Suppl):Abstract nr B296.

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SOURCE Nektar Therapeutics