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Verastem Oncology Announces Dosing of First Patient in CSPC’s Chinese Study Evaluating COPIKTRA® (Duvelisib) in Patients with Relapsed or Refractory Follicular Lymphoma

January 29, 2020 GMT

BOSTON--(BUSINESS WIRE)--Jan 29, 2020--

Verastem, Inc. (Nasdaq: VSTM), (Verastem Oncology or the Company), a biopharmaceutical company focused on developing and commercializing medicines seeking to improve the survival and quality of life of cancer patients, today announced that its partner CSPC Pharmaceutical Group Limited (HKEx: 1093) (CSPC), a leading pharmaceutical company in China, has dosed the first patient in a pivotal Chinese bridging study evaluating COPIKTRA® (duvelisib) in patients with relapsed or refractory follicular lymphoma (FL). COPIKTRA is an oral inhibitor of phosphoinositide 3-kinase (PI3K), and the first approved dual inhibitor of PI3K-delta and PI3K-gamma in the United States.

“Building on CSPC’s strong track record of successfully developing and commercializing oncology products in China, we are pleased that this CSPC trial is now underway as they work to provide a new option for patients with follicular lymphoma in China, where there are limited options for this difficult to treat disease,” said Brian Stuglik, Chief Executive Officer of Verastem Oncology. “The first patient dosed in this trial is a critical step in our mission to bring COPIKTRA to patients around the world.”

In September of 2018, Verastem Oncology and CSPC entered into an exclusive licensing agreement for CSPC to develop and commercialize Verastem Oncology’s COPIKTRA for the treatment of all oncology indications in China. CSPC’s single-arm, open-label, multi-center pivotal study is designed to evaluate the antitumor activity and safety of duvelisib administered to patients diagnosed with relapsed or refractory follicular lymphoma. This study is expected to serve as a bridging study based on the efficacy and safety observed in Verastem Oncology’s Phase 2 DYNAMO study. The results of this study will form the basis of a regulatory submission for COPIKTRA for the treatment of relapsed or refractory FL in China.

COPIKTRA was approved in September 2018 by the U.S. Food and Drug Administration (FDA) for the treatment of adult patients with relapsed or refractory chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) after at least two prior therapies. COPIKTRA also received accelerated approval for the treatment of adult patients with relapsed or refractory follicular lymphoma (FL) after at least two prior systemic therapies. Continued approval in FL may be contingent upon verification and description of clinical benefit in confirmatory trials.

About COPIKTRA (duvelisib)

COPIKTRA is an oral inhibitor of phosphoinositide 3-kinase (PI3K), and the first approved dual inhibitor of PI3K-delta and PI3K-gamma, two enzymes known to help support the growth and survival of malignant B-cells, in the United States. PI3K signaling may lead to the proliferation of malignant B-cells and is thought to play a role in the formation and maintenance of the supportive tumor microenvironment. 1,2,3 COPIKTRA is indicated in the United States for the treatment of adult patients with relapsed or refractory chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) after at least two prior therapies and relapsed or refractory follicular lymphoma (FL) after at least two prior systemic therapies. COPIKTRA is also being developed by Verastem Oncology for the treatment of peripheral T-cell lymphoma (PTCL), for which it has received Fast Track status in the United States, and is being investigated in combination with other agents through investigator-sponsored studies. 4 For more information on COPIKTRA, please visit www.COPIKTRA.com. Information about duvelisib clinical trials can be found on www.clinicaltrials.gov.

SELECT IMPORTANT SAFETY INFORMATION

This does not include all information needed to use COPIKTRA (duvelisib) safety and effectively. See full Prescribing Information.

WARNING: FATAL AND SERIOUS TOXICITIES: INFECTIONS, DIARRHEA OR COLITIS, CUTANEOUS REACTIONS, and PNEUMONITIS

See full Prescribing Information for complete boxed warning

INDICATIONS AND USAGE

COPIKTRA is a kinase inhibitor indicated for the treatment of adult patients with:

WARNINGS AND PRECAUTIONS

ADVERSE REACTIONS

The most common adverse reactions (≥20%) are diarrhea or colitis, neutropenia, rash, fatigue, pyrexia, cough, nausea, upper respiratory infection, pneumonia, musculoskeletal pain, and anemia.

To report Adverse Reactions, contact FDA at 1-800-FDA-1088 (1-800-332-1088) or www.fda.gov/medwatch and Verastem Oncology at 1-877-7RXVSTM (1-877-779-8786).

DRUG INTERACTIONS

USE IN SPECIFIC POPULATIONS

Lactation: Advise women not to breastfeed.

About CSPC Pharmaceutical Group Limited

CSPC Pharmaceutical Group Limited is a leading pharmaceutical group in China. The Company has been listed on the Main Board of the Hong Kong Stock Exchange since 1994 and is currently a constituent stock of Hang Sang Index. CSPC is a leading developer and manufacturer of innovative and generic drugs in China. Blockbuster innovative products in CSPC’s pipeline include NBP (butylphthalide), OULAINING (oxiracetam), XUANNING (maleate levamlodipine), DUOMEISU, JINYOULI and KEAILI. CSPC is also a major manufacturer of bulk drugs, including vitamin C, antibiotics and caffeine. The production facilities of CSPC are mainly located in Shijiazhuang City, Hebei Province, China. For more information, please visit its website at http://www.cspc.com.hk.

About Verastem Oncology

Verastem Oncology (Nasdaq: VSTM) is a commercial biopharmaceutical company committed to the development and commercialization of medicines to improve the lives of patients diagnosed with cancer. We are driven by the strength, tenacity and courage of those battling cancer – single-minded in our resolve to deliver new therapies that not only keep cancer at bay but improve the lives of patients diagnosed with cancer. Because for us, it’s personal.

Our first FDA approved product is now available for the treatment of patients with certain types of indolent non-Hodgkin’s lymphoma (iNHL). Our pipeline comprises product candidates that seek to treat cancer by modulating the local tumor microenvironment. For more information, please visit www.verastem.com.

Forward looking statements notice

This press release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are subject to risks, uncertainties and other factors, including those related to the safety and efficacy of COPIKTRA; the uncertainties inherent in research and development of COPIKTRA, such as negative or unexpected results of clinical trials; that enrollment of clinical trials may take longer than expected; whether and when any applications for COPIKTRA may be filed with regulatory authorities in any other jurisdictions; whether and when regulatory authorities in any other jurisdictions may approve any such other applications that may be filed for COPIKTRA, which will depend on the assessment by such regulatory authorities of the benefit-risk profile suggested by the totality of the efficacy and safety information submitted and, if approved, whether COPIKTRA will be commercially successful in such jurisdictions; that we or CSPC will fail to fully perform under the duvelisib license agreement; and that COPIKTRA or our other product candidates will cause unexpected safety events, experience manufacturing or supply interruptions or failures, or result in unmanageable safety profiles as compared to their levels of efficacy. These risks, uncertainties and other factors could cause actual results to differ materially from those referred to in the forward-looking statements. The reader is cautioned not to rely on these forward-looking statements.

Other risks and uncertainties include those identified under the heading “Risk Factors” in the Company’s Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2019, as filed with the Securities and Exchange Commission (SEC) on October 30, 2019, its Annual Report on Form 10-K for the year ended December 31, 2018 as filed with the SEC on March 12, 2019 and in any subsequent filings with the SEC. The forward-looking statements contained in this press release reflect Verastem Oncology’s views as of the date hereof, and the Company does not assume and specifically disclaims any obligation to update any forward-looking statements whether as a result of new information, future events or otherwise, except as required by law.

References

1 Winkler D.G., Faia K.L., DiNitto J.P. et al. PI3K-delta and PI3K-gamma inhibition by IPI-145 abrogates immune responses and suppresses activity in autoimmune and inflammatory disease models. Chem Biol 2013; 20:1-11.

2 Reif K et al. Cutting Edge: Differential Roles for Phosphoinositide 3 kinases, p110-gamma and p110-delta, in lymphocyte chemotaxis and homing. J Immunol 2004:173:2236-2240.

3 Schmid M et al. Receptor Tyrosine Kinases and TLR/IL1Rs Unexpectedly activate myeloid cell PI3K, a single convergent point promoting tumor inflammation and progression. Cancer Cell 2011;19:715-727.

4www.clinicaltrials.gov, NCT03372057.

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CONTACT: Verastem Oncology:

Investors:

John Doyle

Vice President, Investor Relations & Finance

+1 781-469-1546

jdoyle@verastem.com

Media:

Lisa Buffington

Corporate Communications

+1 781-292-4205

lbuffington@verastem.com

KEYWORD: UNITED STATES NORTH AMERICA MASSACHUSETTS

INDUSTRY KEYWORD: ONCOLOGY FDA HEALTH CLINICAL TRIALS PHARMACEUTICAL BIOTECHNOLOGY

SOURCE: Verastem, Inc.

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PUB: 01/29/2020 07:06 AM/DISC: 01/29/2020 07:06 AM

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