On December 12, 2017 Constellation Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company developing tumor-targeted and immuno-oncology therapies based on its pioneering research in cancer epigenetics, reported that the first patient has been dosed in its Phase 1b/2 PROSTAR study of CPI-1205, a small-molecule inhibitor of EZH2, combined with enzalutamide or abiraterone/prednisone in patients with metastatic castration-resistant prostate cancer (mCRPC) (Press release, Constellation Pharmaceuticals, DEC 12, 2017, View Source [SID1234522670]).

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"The initiation of this combination study marks a significant milestone for the company as we execute on our goal to rapidly advance our pipeline of epigenetic therapeutics that have the potential to address difficult-to-treat cancers," said Adrian Senderowicz, M.D., senior vice president and chief medical officer of Constellation Pharmaceuticals. "Today’s announcement marks the first evaluation of CPI-1205 in solid tumors. We anticipate advancing CPI-1205 and other therapies from our EZH2 portfolio in additional solid tumor clinical trials in the future."

CPI-1205 is a potent, highly selective, first-generation small-molecule inhibitor of EZH2, a clinically-validated target in cancer. In multiple types of cancer, including mCRPC, EZH2 contributes to drug resistance over time by enhancing pro-tumor pathways, such as androgen receptor signaling. CPI-1205 has shown single-agent activity and synergistic activity with small-molecule androgen inhibitors in preclinical studies. CPI-1205 has also demonstrated single-agent clinical activity and a dose-dependent increase in exposure correlated to pharmacodynamic biomarkers during a clinical trial of CPI-1205 in selected lymphoma patients.

"There is a tremendous need for new, safe and effective medicines for advanced prostate cancer, especially for men with progressive mCRPC," said Mary-Ellen Taplin, M.D., Dana-Farber Cancer Institute and an investigator in the trial. "We look forward to learning how CPI-1205 may help overcome resistance mechanisms in mCRPC and extend response to therapy."

The Phase 1b portion of the PROSTAR study is designed to assess safety, pharmacokinetics, pharmacodynamics, as well as a recommended Phase 2 dose (RP2D) of CPI-1205 in combination with either enzalutamide (marketed as Xtandi by Astellas and Pfizer) or abiraterone acetate (marketed as Zytiga by Janssen), which are FDA-approved second-generation androgen inhibitors. The Phase 2 portion of the PROSTAR study will assess clinical activity and potential biomarkers to identify patient populations with higher clinical anti-tumor activity to CPI-1205.

About mCRPC

mCRPC is an advanced form of prostate cancer and is defined by disease progression despite treatment with androgen depletion therapy (ADT). mCRPC may present as one, or any combination of, a continuous rise in serum levels of prostate-specific antigen (PSA), progression of known metastases, or appearance of new metastases. Prognosis is associated with several factors, including the ability to perform certain daily activities and the presence of bone pain. Additional symptoms commonly include anemia (low healthy red blood cell levels), weight loss, fatigue, hypercoagulability (abnormal blood coagulation) and increased susceptibility to infection. mCRPC presents as a spectrum of disease ranging from patients without symptoms but rising PSA levels despite ADT, to patients with metastases and significant debilitation.

About CPI-1205

CPI-1205 is a therapeutic candidate from Constellation Pharmaceuticals’ EZH2 portfolio and is an inhibitor of Enhancer of Zeste Homolog 2 (EZH2). The function of EZH2 is to selectively suppress gene expression of several pro-cancer pathways that contribute to drug resistance.

On December 12, 2017 Palleon Pharmaceuticals, a company focused on developing Glycoimmune Checkpoint Inhibitors to treat cancer, reported an agreement with King’s College London to license intellectual property developed in the laboratory of Joy Burchell, Ph.D., Professor of Glyco-Oncology at the university. This agreement gives Palleon the exclusive rights to a patent portfolio that will facilitate the development of drugs that target Glycoimmune Checkpoints, a novel approach to overcoming resistance to first-generation immuno-oncology drugs.

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Professor Burchell has been a leader in the field of aberrant glycosylation in breast cancer for over 25 years. Earlier in her career she developed tools that demonstrated that more than 90% of breast cancers, and many other carcinomas, carry glycans that are different from those carried by proteins on normal cells. She was the first to show that a mucin known as MUC1 is present in the sera of breast cancer patients. This discovery enabled the development of the CA15.3 test, a serum assay used to measure the response to breast cancer treatment and to monitor recurrence of breast cancer. More recently, Professor Burchell has been investigating how aberrant glycosylation of MUC1 plays a significant role in immunosuppression and allows the cancer to thrive.

Jim Broderick, M.D., Chief Executive Officer and Founder of Palleon, commented, "Professor Burchell’s research is at the forefront of understanding how tumors use glycans to evade the immune system. We now know that tumor cells down-regulate a wide spectrum of immune cell types by cloaking themselves in certain glycan patterns, and that this mechanism of immunosuppression can be targeted by a new class of drugs. This licensing agreement strengthens Palleon’s position as the leader in this new approach to defeating cancer’s suppression of the human immune system."

Dr. Burchell added, "We have known about the alteration of glycans on the surface of malignant cells for decades. However, recent discoveries in the field of glycoscience have demonstrated the role of glycans in immunosuppression. Glycobiology is now emerging as a major axis of immunosuppression in cancer. We expect these findings to provide the foundation for developing immuno-oncology drugs that will have a significant impact on the lives of patients."

On December 12, 2017 Immutep Limited (ASX: IMM; NASDAQ: IMMP) (Immutep or the Company), reported update on the Company’s two ongoing clinical trials with eftilagimod alpha (LAG-3Ig or IMP321). Immutep is pleased to advise that clinical studies of eftilagimod alpha are progressing well (Press release, Prima Biomed, DEC 12, 2017, View Source [SID1234522623]).
In line with previous guidance, the third cohort of TACTI-mel (Two ACTive Immunotherapeutics in melanoma), the Company’s Australian melanoma clinical trial, has now been fully recruited. The sixth and last patient of that cohort received their first treatment yesterday, bringing the total number of patients recruited for the trial to 18.

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The patients eligible to participate in the TACTI-mel Phase 1 clinical trial are those with unresectable or metastatic melanoma who have either had a suboptimal response or had disease progression with pembrolizumab (KEYTRUDA) monotherapy as a first-line of treatment. These patients are dosed with eftilagimod alpha in combination with pembrolizumab. To date, no dose limiting toxicity has been observed in any patient at any dose level. Data shows the combination to be safe and well tolerated. Data from all three cohorts is expected in H1 2018.

AIPAC (Active Immunotherapy PAClitaxel), the Company’s European clinical trial started recruitment of the randomized part of the study in January 2017. In addition to centres in Belgium and the Netherlands, competent authorities’ approvals have been received and patient recruitment has also now commenced in Poland, Hungary, United Kingdom and Germany, with France following in due course. In total, 29 out of 34 clinical sites have been activated with the outstanding site activations expected to occur in early 2018. The study is expected to be fully recruited by mid-2018.

As announced earlier in June, data from the open-label safety run-in cohort of 15 patients, who received 6mg and 30mg doses of eftilagimod alpha in combination with paclitaxel, were presented at the American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting in Chicago, IL, USA. Final results received in December 2017 confirm the data presented at ASCO (Free ASCO Whitepaper). Data shows that the combination of eftilagimod alpha plus weekly paclitaxel in patients with metastatic breast cancer is safe and well tolerated, leading to an overall response rate of 47% in the safety run-in. Pharmacodynamic parameters on primary and secondary target cells confirmed the proof of principle in patients.

Eftilagimod alpha Partnering Update
Immutep’s Chinese partner for eftilagimod alpha, EOC Pharma, an oncology focused affiliate of Eddingpharm, applied in the first quarter of 2017 for an Investigational New Drug (IND) in China, in preparation before starting clinical trials. Recent positive changes in the Chinese regulatory environment are likely to speed up development of eftilagimod alpha in China.

CYTLIMIC, the Japanese NEC spin off with which Immutep has a collaboration agreement, presented a poster at ASCO (Free ASCO Whitepaper) (View Source) which showed the results of their T-cell based therapeutic cancer vaccine with eftilagimod alpha as a vaccine adjuvant. A new material transfer agreement with CYTLIMIC regarding their purchase of additional vials of eftilagimod alpha from Immutep was concluded in September 2017.

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IMP761 Update
IMP761 is the first humanized antibody which acts as an agonist to one of the three immune checkpoint molecules targeted in oncology, namely CTLA-4, PD-1 and LAG-3. Consequently, Immutep is the first company to translate the vast amount of clinical data and biologic knowledge from oncology to the field of auto-immune diseases. The preclinical development of our agonist anti-LAG-3 antibody has now been successfully advanced following an extensive cross-reactivity study on a series of 30 FDA-approved human tissues sections, a prerequisite before entering the clinic.

On December 12, 2017 Daiichi Sankyo Company, Limited (hereafter, Daiichi Sankyo) and Puma Biotechnology, Inc. (Nasdaq: PBYI) reported a preclinical research collaboration with Memorial Sloan Kettering Cancer Center (MSK) to explore the combination of Daiichi Sankyo’s investigational antibody drug conjugate DS-8201 and Puma Biotechnology’s irreversible pan-HER tyrosine kinase inhibitor neratinib (NERLYNX) in HER2-mutated or HER2-positive solid tumors (Press release, Puma Biotechnology, DEC 12, 2017, http://investor.pumabiotechnology.com/press-release/daiichi-sankyo-and-puma-biotechnology-announce-research-collaboration-major-cancer-cen [SID1234522597]).

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A team of scientists led by Maurizio Scaltriti, PhD, and in collaboration with a team of clinical investigators led by Bob Li, MD, will use isogenic models and established patient-derived xenograft models to assess the susceptibility of HER2-mutated or HER2-positive cancers to DS-8201, neratinib and other HER2-targeting therapies, elucidate mechanisms of action and resistance of these various tumor types, and evaluate the potential for synergistic combinations. Daiichi Sankyo and Puma Biotechnology will co-sponsor the research.

"Since early clinical data suggest that DS-8201 may have activity beyond breast and gastric cancers, the archetype HER2-driven tumors, we are interested in studying this asset on a molecular level as well as in combination with other HER2-targeting agents," said Tom Held, Vice President, Global Head, Antibody Drug Conjugate Task Force, Daiichi Sankyo. "In this collaboration, we are examining whether combining DS-8201 and neratinib, with its specific covalent binding to the HER2 receptor and associated increased internalization, is a rational combination therapy strategy to pursue. We are excited to join forces with Memorial Sloan Kettering and Puma to advance the understanding of combining HER2-targeted therapies to potentially treat various forms of HER2-mutated cancer."

"We are pleased to enter into this research collaboration with Memorial Sloan Kettering and Daiichi Sankyo to explore the combination of neratinib and DS-8201," said Alan Auerbach, Puma’s Chief Executive Officer and President. "Combination therapy with agents that address different and complementary pathways, with neratinib targeting the HER2 kinase and DS-8201 providing an innovative targeted delivery of a potent cytotoxic, represents an intriguing approach to the treatment of HER2 mutated tumors and helps to maximize the potential for both agents in treating cancers with a HER2 mutation."

About DS-8201

DS-8201 is the lead product in the ADC Franchise of the Daiichi Sankyo Cancer Enterprise. ADCs are targeted cancer medicines that deliver cytotoxic chemotherapy ("payload") to cancer cells via a linker attached to a monoclonal antibody that binds to a specific target expressed on cancer cells. Designed using Daiichi Sankyo’s proprietary ADC technology, DS-8201 is a smart chemotherapy comprised of a humanized HER2 antibody attached to a novel topoisomerase I inhibitor payload by a tetrapeptide-based linker. It is designed to target and deliver chemotherapy inside cancer cells and reduce systemic exposure to the cytotoxic payload (or chemotherapy) compared to the way chemotherapy is commonly delivered.

DS-8201 is currently in phase 2 clinical development for HER2-positive unresectable and/or metastatic breast cancer resistant or refractory to T-DM1 (DESTINY-Breast01), phase 2 development for HER2-positive advanced gastric resistent or refractory to trastuzumab (DESTINY-Gastric01) and phase 1 development for other HER2-expressing advanced/unresectable or metastatic solid tumors.

DS-8201 has been granted Breakthrough Therapy designation for the treatment of patients with HER2-positive, locally advanced or metastatic breast cancer who have been treated with trastuzumab and pertuzumab and have disease progression after ado-trastuzumab emtansine (T-DM1), and Fast Track designation for the treatment of HER2-positive unresectable and/or metastatic breast cancer in patients who have progressed after prior treatment with HER2-targeted therapies including T-DM1 by the U.S. Food and Drug Administration (FDA). DS-8201 is an investigational agent that has not been approved for any indication in any country. Safety and efficacy have not been established.

About NERLYNX (neratinib)

Neratinib was approved by the FDA in July 2017 for the extended adjuvant treatment of adult patients with early stage HER2-positive breast cancer following adjuvant trastuzumab-based therapy, and is marketed in the United States as NERLYNX (neratinib) tablets.

Important Safety Information (ISI)
NERLYNX (neratinib) tablets, for oral use

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

CONTRAINDICATIONS: None

WARNINGS AND PRECAUTIONS:

Diarrhea: Aggressively manage diarrhea occurring despite recommended prophylaxis with additional antidiarrheals, fluids, and electrolytes as clinically indicated. Withhold NERLYNX in patients experiencing severe and/or persistent diarrhea. Permanently discontinue NERLYNX in patients experiencing Grade 4 diarrhea or Grade ≥ 2 diarrhea that occurs after maximal dose reduction.
Hepatotoxicity: Monitor liver function tests monthly for the first 3 months of treatment, then every 3 months while on treatment and as clinically indicated. Withhold NERLYNX in patients experiencing Grade 3 liver abnormalities and permanently discontinue NERLYNX in patients experiencing Grade 4 liver abnormalities.
Embryo-Fetal Toxicity: NERLYNX can cause fetal harm. Advise patients of potential risk to a fetus and to use effective contraception.
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, epistaxis, weight decreased and urinary tract infection.

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

DRUG INTERACTIONS:

Gastric acid reducing agents: Avoid concomitant use with proton pump inhibitors (PPI) and H2-receptor antagonists. Separate NERLYNX by 3 hours after antacid dosing.
Strong or moderate CYP3A4 inhibitors: Avoid concomitant use.
Strong or moderate CYP3A4 inducers: Avoid concomitant use.
P-glycoprotein (P-gp) substrates: Monitor for adverse reactions of narrow therapeutic agents that are P-gp substrates when used concomitantly with NERLYNX.
USE IN SPECIFIC POPULATIONS:

Lactation: Advise women not to breastfeed.
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 www.NERLYNX.com or 1-855-816-5421.

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 three drug candidates — PB272 (neratinib (oral)), PB272 (neratinib (intravenous)) and PB357. NERLYNX (neratinib) is approved for commercial use by prescription in the United States as extended adjuvant therapy for early stage HER2-positive breast cancer following adjuvant trastuzumab-based therapy and is marketed as NERLYNX. Neratinib is a potent irreversible tyrosine kinase inhibitor that blocks signal transduction through the epidermal growth factor receptors, HER1, HER2 and HER4. Currently, Puma is primarily focused on the commercialization of NERLYNX and the continued development of its other advanced drug candidates directed at the treatment of HER2-positive breast cancer. Puma believes that NERLYNX has clinical application in the potential treatment of several other cancers that over-express or have a mutation in HER2. Further information about Puma Biotechnology can be found at www.pumabiotechnology.com

About Daiichi Sankyo Cancer Enterprise

The vision of Daiichi Sankyo Cancer Enterprise is to leverage our world-class, innovative science and push beyond traditional thinking in order to create meaningful treatments for patients with cancer. We are dedicated to transforming science into value for patients, and this sense of obligation informs everything we do. Anchored by our Antibody Drug Conjugate (ADC) and Acute Myeloid Leukemia (AML) Franchises, our cancer pipeline includes more than 20 small molecules, monoclonal antibodies and ADCs stemming from our powerful research engines: our two laboratories for biologic/immuno-oncology and small molecules in Japan, and Plexxikon Inc., our small molecule structure-guided R&D center in Berkeley, CA. Compounds in development include: quizartinib, an oral FLT3 inhibitor, for newly-diagnosed and relapsed or refractory AML with FLT3-ITD mutations; DS-8201, an ADC for HER2-expressing breast and gastric cancer, and other HER2-expressing solid tumors; and pexidartinib, an oral CSF-1R inhibitor, for tenosynovial giant cell tumor (TGCT), which is also being explored in a range of solid tumors in combination with the anti-PD1 immunotherapy pembrolizumab. For more information, please visit: www.DSCancerEnterprise.com.

On December 12, 2017 Servier, Pfizer Inc. (NYSE: PFE) and Cellectis (Paris:ALCLS) (NASDAQ:CLLS) (Euronext Growth: ALCLS – Nasdaq: CLLS) presented at the the 59th American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting and Exposition in Atlanta reported preliminary results from two phase 1 studies of UCART19, an investigational allogeneic anti-CD19 CAR T-cell product, in adult and pediatric patients with relapsed or refractory (R/R) CD19-positive B-cell acute lymphoblastic leukemia (B-ALL) (Press release, Cellectis, DEC 12, 2017, View Source [SID1234522628]). These first-in-human data demonstrated the safety and tolerability of UCART19, resulting in an 83% complete remission rate across the adult and pediatric patient population.

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Results from the CALM (UCART19 in Advanced Lymphoid Malignancies) Trial

The CALM study (UCART19 in Advanced Lymphoid Malignancies) is an open label, dose-escalation study designed to evaluate the safety, tolerability and anti-leukemic activity of UCART19 in adult patients with R/R B-ALL. Five out seven patients treated achieved molecular remission at Day 28 post UCAR19. Molecular remission is defined by negative minimal residual disease (MRD). MRD is a measurement of the number of residual leukemic cells that remain after treatment.

"These early results for UCART19 are very encouraging both in terms of manageable safety and the impressive complete molecular remission rate in these hard-to-treat adult patients with R/R B-ALL," said Reuben Benjamin, Principal Investigator of the CALM Study and Consultant Hematologist at King’s College Hospital, United Kingdom. "This first cohort explored a lower dose of UCART19 that is approximately one tenth of that used in most autologous CAR-T trials. These results support additional evaluation of UCART19 at varying doses."

Only one Grade 1 cutaneous acute graft versus host disease (GvHD) occurred. No severe neurotoxicity was observed. Cytokine release syndromes (CRS) were mild and manageable except in one patient treated with UCART19 at the first dose level, who developed CRS Grade 4 and neutropenic sepsis leading to death at Day 15.

Results from the PALL (Pediatric Acute Lymphoblastic Leukemia) Trial

The PALL (Pediatric Acute Lymphoblastic Leukemia) study is a phase 1, open label study designed to evaluate the safety and ability of UCART19 to induce molecular remission defined by MRD negativity at Day 28 to enable allogeneic stem cell transplantation in pediatric patients with high-risk R/R B-ALL. Results showed all five children achieved MRD negativity, enabling them to proceed to allogeneic stem cell transplant. Only one Grade 1 cutaneous acute GvHD occurred. No severe neurotoxicity was observed. Cytokine release syndromes were mild in the majority of cases and were all manageable.

Servier is the sponsor of both studies that are active in Europe and the United States.

"We are proud to present the first clinical trial data with UCART19 in patients with heavily pretreated R/R ALL," said Patrick Therasse, MD, PhD, Head of Research and Development-Oncology for Servier. "We believe this innovative, allogeneic CAR T-cell approach could be disruptive to the patient community."

About UCART19

UCART19 is an allogeneic CAR T-cell product candidate being developed for treatment of CD19-expressing hematological malignancies, gene edited with TALEN. UCART19 is initially being developed in adult and pediatric ALL and is currently in Phase I. UCART19 has the potential to overcome the limitation of the current autologous approach by providing an allogeneic, frozen, "off-the-shelf" T cell based medicinal product.

In November 2015, Servier acquired the exclusive rights to UCART19 from Cellectis. Following further agreements, Servier and Pfizer began collaborating on a joint clinical development program for this cancer immunotherapy. Pfizer has been granted exclusive rights by Servier to develop and commercialize UCART19 in the United States, while Servier retains exclusive rights for all other countries.

About Servier

Servier is an international pharmaceutical company governed by a non-profit foundation, with its headquarters in France (Suresnes). With a strong international presence in 148 countries and a turnover of 4 billion euros in 2016, Servier employs 21 000 people worldwide. Entirely independent, the Group reinvests 25% of its turnover (excluding generic drugs) in research and development and uses all its profits for development. Corporate growth is driven by Servier’s constant search for innovation in five areas of excellence: cardiovascular, immune-inflammatory and neuropsychiatric diseases, cancers and diabetes, as well as by its activities in high-quality generic drugs.

Becoming a key player in oncology is part of Servier’s long-term strategy. Currently, there are nine molecular entities in clinical development in this area, targeting gastric and lung cancers and other solid tumors, as well as various leukemias and lymphomas. This portfolio of innovative cancer treatments is being developed with partners worldwide, and covers different cancer hallmarks and modalities, including cytotoxics, proapoptotics, targeted, immune and cellular therapies, to deliver life-changing medicines to patients. More information: View Source

Pfizer Inc.: Working together for a healthier world

At Pfizer, we apply science and our global resources to bring therapies to people that extend and significantly improve their lives. We strive to set the standard for quality, safety and value in the discovery, development and manufacture of health care products. Our global portfolio includes medicines and vaccines as well as many of the world’s best-known consumer health care products. Every day, Pfizer colleagues work across developed and emerging markets to advance wellness, prevention, treatments and cures that challenge the most feared diseases of our time. Consistent with our responsibility as one of the world’s premier innovative biopharmaceutical companies, we collaborate with health care providers, governments and local communities to support and expand access to reliable, affordable health care around the world. For more than 150 years, we have worked to make a difference for all who rely on us. We routinely post information that may be important to investors on our website at www.pfizer.com. In addition, to learn more, please visit us on www.pfizer.com and follow us on Twitter at @Pfizer and @Pfizer_News, LinkedIn, YouTube, and like us on Facebook at Facebook.com/Pfizer.

PFIZER DISCLOSURE NOTICE

The information contained in this release is as of December 12, 2017. Pfizer assumes no obligation to update forward-looking statements contained in this release as the result of new information or future events or developments.

This release contains forward-looking information about a product candidate, UCART19, including its potential benefits, that involves substantial risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements. Risks and uncertainties include, among other things, the uncertainties inherent in research and development, including the ability to meet anticipated clinical study commencement and completion dates as well as the possibility of unfavorable study results, including unfavorable new clinical data and additional analyses of existing clinical data; risks associated with preliminary data; the risk that clinical trial data are subject to differing interpretations, and, even when we view data as sufficient to support the safety and/or effectiveness of a product candidate, regulatory authorities may not share our views and may require additional data or may deny approval altogether; whether regulatory authorities will be satisfied with the design of and results from our clinical studies; whether and when drug applications may be filed for UCART19 in any jurisdiction; whether and when any such applications may be approved by regulatory authorities, 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 UCART19 will be commercially successful; decisions by regulatory authorities regarding labeling and other matters that could affect the availability or commercial potential of UCART19; and competitive developments.

A further description of risks and uncertainties can be found in Pfizer’s Annual Report on Form 10-K for the fiscal year ended December 31, 2016 and in its subsequent reports on Form 10-Q, including in the sections thereof captioned "Risk Factors" and "Forward-Looking Information and Factors That May Affect Future Results", as well as in its subsequent reports on Form 8-K, all of which are filed with the U.S. Securities and Exchange Commission and available at www.sec.gov and www.pfizer.com.