FDA Accepts New Drug Application and Grants Priority Review for Enasidenib in Relapsed or Refractory AML with an IDH2 Mutation

On March 1, 2017 Celgene Corporation (CELG) and Agios Pharmaceuticals (AGIO) reported that the U.S. Food and Drug Administration (FDA) has accepted Celgene’s New Drug Application (NDA) for enasidenib (AG-221/CC-90007) for the treatment of patients with relapsed or refractory acute myeloid leukemia (AML) with an isocitrate dehydrogenase 2 (IDH2) mutation (Press release, Agios Pharmaceuticals, MAR 1, 2017, View Source;p=RssLanding&cat=news&id=2250587 [SID1234517906]). The NDA was granted Priority Review and has been given a Prescription Drug User Fee Act (PDUFA) action date of Aug. 30, 2017. Celgene completed the NDA submission in late December 2016.

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"We accelerated this application – submitting the NDA just three years after the first patient was treated in the enasidenib pivotal investigational trial – because we believe that there is a significant unmet need for people with relapsed or refractory AML," said Michael Pehl, president, Hematology/Oncology for Celgene. "The acceptance of the enasidenib NDA is a significant milestone in what we hope will be a new era of molecularly targeted therapies for patients with this devastating disease."

Enasidenib is a first-in-class, oral, targeted inhibitor of mutant IDH2. The NDA submission is based on results from AG221-C-001, a single-arm phase I/II study of enasidenib in patients with advanced hematologic malignancies with an IDH2 mutation. Early data from the relapsed or refractory AML patients in this study were presented at the 2015 American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting.

"Having received NDA acceptance and priority review for enasidenib, we look forward to working with our partner Celgene and the FDA to advance a first-in-class therapy for relapsed or refractory AML with an IDH2 mutation," said David Schenkein, M.D., chief executive officer at Agios. "We hope that the continued adoption of molecular profiling and availability of new targeted therapies such as enasidenib will have a significant impact on patients living with AML."

Additionally, Abbott has submitted a Premarket Approval (PMA) application for the FDA approval of an IDH2 assay on the Abbott m2000 RealTime System, a polymerase chain reaction (PCR) molecular diagnostics instrument. IDH2 mutations occur in about 8 to 19 percent of AML patients. Recent publications have highlighted the advances in the understanding of the genetics underlying AML and the need for routine mutational analysis at diagnosis and relapse.

Celgene is also evaluating enasidenib compared with conventional therapy in older patients with an IDH2 mutation and relapsed or refractory AML in the ongoing phase III IDHENTIFY trial (NCT02577406).

Enasidenib is an investigational drug that has not been approved for any use in any country.

About Acute Myelogenous Leukemia (AML)

AML, a cancer of blood and bone marrow characterized by rapid disease progression, is the most common acute leukemia affecting adults. Undifferentiated blast cells proliferate in the bone marrow rather than mature into normal blood cells. AML incidence significantly increases with age, and according to the American Cancer Society, the median age of onset is 66. Less than 10 percent of U.S. AML patients are eligible for bone marrow transplant and the vast majority of patients do not respond to chemotherapy and progress to relapsed/refractory AML. The five-year survival rate for AML is approximately 20 to 25 percent. IDH2 mutations are present in about 8 to 19 percent of AML cases.

Finding and Evaluating Oncology Opportunities at BIO Asia 2017 – A 1stOncology Insights Report

The BIO Asia 2017 meeting is an exclusive partnering forum offering an unique possibility to find and evaluate oncology opportunities in an Asian setting (1stOncology Insights, BioSeeker Group, MAR 1, 2017, http://www.bioseeker.com/market-research-report/finding-and-evaluating-oncology-opportunities-at-bio-asia-2017-a-1stoncology-insights-report.html [SID1234518080]).
In a recent analysis, based on the communicated participants at the time*, the oncology position and activities of 61 companies has been featured by the analyst team at 1stOncology for the benefit its audience. In overall, an extensive partnering review has been done of close to 900, partnered or as yet un-partnered, drugs in 17 "hot" areas in oncology, including:

· Most recent Positive/Negative Developments (226/43)
· Start-Ups (4)
· Fierce 15 Drugs (53)
· Orphan Drugs (252)
· Breakthrough Therapies (31)
· Cancer Vaccines (59)
· CAR/TCR Therapies (14)
· Immune Checkpoints (67)
· Epigenetic Therapies (35)
· Protein Kinase Inhibitors (194)
· Antibodies in Oncology (345)
· Cancer Peptides (47)
· RNA Therapies (13)
· Conjugated Drugs (109)
· Biomarker/Companion Diagnostic Drugs (166)
· Combination Therapy Drugs (492)
· Biosimilars/Biobetters (27)

Area (Number of Drugs in Each Area)

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This independent, third-party breakdown analysis gives a landscape of oncology opportunities which guides corporate interest in how to allocate time and spend resources around BIO Asia where it reaps the most value. Undoubtedly, immuno-oncology will continue being the center piece of attention in general and immunecheck point inhibitors in particular.

Furthermore almost one thousand corporate developments have been analyzed detailing the latest positive and negative pipeline development for circa 250 top cancer drugs throughout 2016 to present, giving a comprehensive insight to current developments such as successful clinical trials, trials with missed primary endpoints, new or terminated partnerships, M&A and much more.

The 1stOncology team recognizes that contacts are key to actively drive forward partnering activities so special for BIO Asia 2017 they have set out to boost the event with giving access to circa 300 contacts in business development and licensing people within the featured companies, allowing the thrifty to reach out quickly and directly to the right person of interest for initial introductions, partnership discussions, pre-booking meetings etc.

*As of February 24, 2017

Puma Biotechnology Reports Fourth Quarter and Full Year 2016 Financial Results

On MARCH 1, 2017 Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, reported financial results for the fourth quarter and year ended December 31, 2016 (Press release, Puma Biotechnology, MAR 1, 2017, View Source [SID1234517983]).

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Unless otherwise stated, all comparisons are for the fourth quarter and full year 2016 compared to the fourth quarter and full year 2015.

Based on accounting principles generally accepted in the United States (GAAP), Puma reported a net loss applicable to common stock of $72.7 million, or $2.04 per share, for the fourth quarter of 2016, compared to a net loss of $61.7 million, or $1.90 per share, for the fourth quarter of 2015. Net loss applicable to common stock for the full year 2016 was $276.0 million, or $8.29 per share, compared to $239.3 million, or $7.45 per share, for the full year 2015.

Non-GAAP adjusted net loss was $43.4 million, or $1.22 per share, for the fourth quarter of 2016, compared to non-GAAP adjusted net loss of $40.0 million, or $1.23 per share, for the fourth quarter of 2015. Non-GAAP adjusted net loss for the full year 2016 was $158.8 million, or $4.77 per share, compared to $144.3 million, or $4.49 per share, for the full year 2015. Non-GAAP adjusted net loss excludes stock-based compensation expense, which represents a significant portion of overall expense and has no impact on the cash position of the Company. For a reconciliation of GAAP net loss to non-GAAP adjusted net loss and GAAP net loss per share to non-GAAP adjusted net loss per share, please see the financial tables at the end of this news release.

Net cash used in operating activities for the fourth quarter of 2016 was $41.0 million. Net cash used in operating activities for the full year 2016 was $141.7 million. At December 31, 2016, Puma had cash and cash equivalents of $194.5 million and marketable securities of $35.0 million, compared to cash and cash equivalents of $31.6 million and marketable securities of $184.3 million at December 31, 2015. The Company’s balance of cash, cash equivalents and marketable securities at year-end 2016 includes the net proceeds of approximately $162 million received from the Company’s public offering in October 2016.

"We made significant progress with the neratinib clinical program during the fourth quarter," said Alan H. Auerbach, Chairman, Chief Executive Officer and President of Puma. "We presented additional results of several ongoing studies at the 2016 San Antonio Breast Cancer Symposium, including our Phase II CONTROL trial of PB272 in the extended adjuvant treatment of HER2-positive early stage breast cancer; a biomarker analysis of the NSABP FB-7 Phase II trial for the neoadjuvant treatment of HER2-positive locally advanced breast cancer; and the Phase II SUMMIT trial of PB272 for ERBB2 (HER2) mutant, HER2 non-amplified metastatic breast cancer. We also initiated a Managed Access Program for PB272 (neratinib) outside the United States, providing physicians and patients access to PB272 when there are limited or no other therapeutic options available."

Mr. Auerbach added, "During 2017, we anticipate the following key milestones with neratinib: (i) reporting additional data in the second quarter of 2017 from the Phase II CONTROL trial of neratinib as an extended adjuvant treatment in HER2-positive early stage breast cancer using antidiarrheal prophylaxis with loperamide and other agents (budesonide, colestipol); (ii) reporting interim Phase I/II data in the second quarter of 2017 from the NSABP FB-10 trial of neratinib plus Kadcyla (T-DM1) in HER2-positive metastatic breast cancer (MBC); (iii) reporting data in the second quarter of 2017 from the Phase II SUMMIT basket trial of neratinib in patients with HER2 non-amplified solid tumors that have a HER2 mutation; (iv) reporting data from the Phase III trial in third-line HER2-positive MBC patients in the first half of 2017; (v) reporting data in the second quarter of 2017 from the TBCRC-022 Phase II trial of neratinib plus capecitabine in HER2-positive MBC patients with brain metastases; (vi) reporting Phase II data in the second quarter of 2017 from the SUMMIT basket trial of neratinib in HER2-negative breast cancer patients with HER2 mutations; (vii) reporting final 5-year disease free survival (DFS) data during the second half of 2017 from the ExteNET Phase III trial of neratinib as an extended adjuvant treatment in HER2-positive early stage breast cancer; and (viii) announcing regulatory decisions in the United States and European Union on neratinib for the extended adjuvant treatment of patients with HER2-positive early stage breast cancer in the third quarter of 2017."

Operating Expenses

Operating expenses were $72.9 million for the fourth quarter of 2016, compared to $62.1 million for the fourth quarter of 2015. Operating expenses for the full year 2016 were $276.6 million compared to $240.3 million for the full year 2015.

General and Administrative Expenses:

General and administrative expenses were $16.5 million for the fourth quarter of 2016, compared to $9.6 million for the fourth quarter of 2015. General and administrative expenses for the full year 2016 were $53.8 million compared to $31.8 million for the full year 2015. The increase of approximately $22.0 million during the full year 2016 compared to the same period in 2015 resulted primarily from increases of approximately $9.4 million in stock-based compensation, $2.8 million in payroll and related costs, $7.1 million in professional fees and expenses and $2.2 million in facility and equipment costs. These increases reflect higher legal and compliance expenses, as well as overall corporate growth.

Research and Development Expenses:

Research and development expenses were $56.4 million for the fourth quarter of 2016, compared to $52.5 million for the fourth quarter of 2015. Research and development expenses for the full year 2016 were $222.8 million, compared to $208.5 million for the full year 2015. The increase of approximately $14.3 million during the full year 2016 compared to the same period in 2015 resulted primarily from increases of approximately $12.8 million in stock-based compensation, $6.2 million for internal clinical development, regulatory affairs and quality assurance and internal chemical manufacturing expenses and $2.0 million in consultants and contractors related expenses, offset by a $6.8 million decrease in clinical trial expenses.

Myovant Sciences Initiates Phase 3 Clinical Trial of Relugolix in Men with Advanced Prostate Cancer

On March 1, 2017 Myovant Sciences (NYSE: MYOV) reported it has initiated a Phase 3 clinical trial, HERO, to evaluate the safety and efficacy of relugolix in treating men with advanced prostate cancer (Press release, Myovant Sciences, MAR 1, 2017, http://investors.myovant.com/news-releases/2017/03-01-2017-214455142 [SID1234517969]). Relugolix is an oral, once-daily, small molecule, gonadotropin-releasing hormone (GnRH) receptor antagonist that lowers testosterone by inhibiting pituitary release of luteinizing hormone and follicle-stimulating hormone.

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"Lowering testosterone levels is oftentimes essential for men with advanced prostate cancer," said Neal Shore, MD, Director of the Carolina Urologic Research Center, Myrtle Beach, SC. "The current therapies used to lower testosterone require injections and the most commonly used GnRH agonists initially raise testosterone and may cause a clinical flare of symptoms. A once-daily oral GnRH antagonist, which both decreases testosterone within days of initiation and has the potential to allow a rapid return of testosterone when discontinued, could offer an advantage to men with advanced prostate cancer, particularly those initiating androgen deprivation therapy and those considering intermittent therapy."

"Our hope is that relugolix will be able to provide the therapeutic benefits of direct testosterone suppression with a GnRH antagonist coupled with the convenience of a once-a-day pill," said Dr. Lynn Seely, MD, President & Chief Executive Officer of Myovant Sciences, Inc. "This international clinical trial designed to gain approval in the United States, Europe, and Asia will be the critical test to achieve that objective."

About the HERO Study
The HERO study is a randomized, open-label, parallel-group Phase 3 international clinical trial to evaluate the safety and efficacy of relugolix in men with androgen-sensitive advanced prostate cancer who require at least one year of continuous androgen deprivation therapy. Approximately 1,125 patients will be enrolled in this study in North and South America, Europe, and the Asia-Pacific region.

Patients enrolled in the study will be randomized 2:1 to receive oral relugolix 120 mg once daily or leuprolide acetate 3-month depot injection, respectively.

The primary efficacy outcome of the study will be the ability of relugolix to achieve and maintain serum testosterone suppression to castrate levels (≤ 50 ng/dL [1.7 nmol/L]) for 48 weeks in patients with androgen-sensitive advanced prostate cancer.

About Advanced Prostate Cancer
Prostate cancer is the second most prevalent form of cancer in men and the second leading cause of death due to cancer in men in the United States. According to the National Cancer Institute, approximately 2.9 million men are currently living with prostate cancer in the United States, and approximately 180,000 men are newly diagnosed in the United States each year. Treatment for advanced prostate cancer typically involves treatment with androgen deprivation therapy, which reduces testosterone to very low levels, commonly referred to as castration levels. GnRH agonists, such as leuprolide depot, or slow-release, injections, are the current standard of care for medical castration, causing long-term desensitization and down-regulation of the GnRH-axis. GnRH agonists may be associated with mechanism-of-action limitations, including the potentially detrimental initial rise in testosterone levels that can exacerbate clinical symptoms, which is known as clinical or hormonal flare.

About Relugolix
Relugolix is an oral, once-daily small molecule that acts as a GnRH receptor antagonist and has been evaluated in over 1,300 study participants in Phase 1 and multiple large controlled Phase 2 clinical trials. In these trials, relugolix has been shown to be generally well tolerated and to suppress testosterone levels in men and estrogen and progesterone levels in women. Common side effects are consistent with the lowering of testosterone in men and estrogen and progesterone in women.

USA PATENT GRANTS FOR IMP321 IN CANCER

On March 1, 2017 Prima BioMed Ltd (ASX: PRR; NASDAQ: PBMD) ("Prima", the "Company") reported the granting of patent number 9,579,382 entitled "Use of Recombinant LAG-3 or the Derivatives thereof for Eliciting Monocyte Immune Response" by the United States Patent Office (Filing, 6-K, Prima Biomed, MAR 1, 2017, View Source [SID1234517965]).

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The method of use claims granted for this patent will provide protection for the treatment of cancer where a plurality of doses of IMP321 is used to generate a monocyte mediated response. Broad claims covering dosage and route of administration have also been granted. As part of the Company’s intellectual property strategy, further applications have been filed in the US seeking additional protection for the IMP321 product itself and for use in combination with other reagents. Patent expiry is expected to be 6 July 2029 after a patent term adjustment of 276 days.