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Amgen Submits Regulatory Applications In US And Europe To Include Overall Survival Data In KYPROLIS® (Carfilzomib) Label

On July 14, 2017 Amgen (NASDAQ:AMGN) reported the submission of a supplemental New Drug Application (sNDA) to the U.S. Food and Drug Administration (FDA) and a variation to the marketing application to the European Medicines Agency (EMA) to include overall survival (OS) data from the Phase 3 head-to-head ENDEAVOR trial in the product information for KYPROLIS (carfilzomib) (Press release, Amgen, JUL 14, 2017, View Source [SID1234519801]).

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Data submitted to regulatory authorities showed that KYPROLIS, administered at the 56 mg/m2 dose as a 30-minute infusion twice weekly with dexamethasone (Kd56), reduced the risk of death by 21 percent over Velcade (bortezomib) and dexamethasone (Vd), resulting in a 7.6 month OS benefit (median OS 47.6 months for Kd56 versus 40.0 months for Vd, HR=0.79; p=0.01). The OS benefit was consistent regardless of prior bortezomib therapy (HR 0.75 for no prior Velcade; HR 0.84 for prior Velcade). These results were presented earlier this year at the 16th International Myeloma Workshop and the 22nd Congress of the European Hematology Association (EHA) (Free EHA Whitepaper).

"KYPROLIS is the first-and-only multiple myeloma therapy to demonstrate superior overall survival in a head-to-head comparison with a current standard of care, extending survival by 7.6 months over Velcade," said Sean E. Harper, M.D., executive vice president of Research and Development at Amgen. "We submitted these important data to regulatory authorities in the U.S. and Europe because we know that KYPROLIS may offer appropriate multiple myeloma patients a better chance for a longer life at first relapse compared to Velcade when added to dexamethasone."

Since its approval in 2012, KYPROLIS has been prescribed to more than 50,000 patients worldwide. The KYPROLIS clinical program continues to focus on providing solutions for physicians and patients in treating this frequently relapsing and difficult-to-treat cancer. KYPROLIS is available for patients whose myeloma has relapsed or become resistant to another treatment and continues to be studied in a range of combinations and patient populations.

Adverse events observed in this updated analysis were consistent with those previously reported for ENDEAVOR. The most common adverse events (greater than or equal to 20 percent) in the KYPROLIS arm were anemia, diarrhea, pyrexia, dyspnea, fatigue, hypertension, cough, insomnia, upper respiratory tract infection, peripheral edema, nausea, bronchitis, asthenia, back pain, thrombocytopenia and headache.

About ENDEAVOR
The randomized ENDEAVOR (RandomizEd, OpeN Label, Phase 3 Study of Carfilzomib Plus DExamethAsone Vs Bortezomib Plus DexamethasOne in Patients With Relapsed Multiple Myeloma) trial of 929 patients evaluated Kd56 versus Vd in patients whose multiple myeloma has relapsed after at least one, but not more than three prior therapeutic regimens. The primary endpoint of the trial was progression-free survival, defined as the time from treatment initiation to disease progression or death. The primary analysis was published in The Lancet Oncology and is described in the Prescribing Information.

Patients received treatment until progression with KYPROLIS as a 30-minute infusion on days 1, 2, 8, 9, 15 and 16 of 28 day treatment cycles, along with low-dose dexamethasone (20 mg). For cycle one only, KYPROLIS was administered at 20 mg/m2 on days 1 and 2, and if tolerated was escalated to 56 mg/m2 from day 8 cycle one onwards. Patients who received bortezomib (1.3 mg/m2) with low-dose dexamethasone (20 mg) were treated with bortezomib administered subcutaneously or intravenously at the discretion of the investigator and in accordance with regional regulatory approval of bortezomib. Eighty-two percent of the patients in the control arm received bortezomib subcutaneously. This study was conducted at 235 sites worldwide. For information about this trial, please visit www.clinicaltrials.gov under trial identification number NCT01568866.

Kite Highlights Durable Complete Remissions Up to 56+ Months in Patients with Chemorefractory Aggressive Non-Hodgkin Lymphoma (NHL) after Anti-CD19 CAR T-Cell Therapy at the National Cancer Institute

On July 20, 2017 Kite Pharma, Inc. (Nasdaq:KITE), a leading cell therapy company, highlighted the recent online publication of results in Molecular Therapy from a National Cancer Institute (NCI) study of anti-CD19 chimeric antigen receptor (CAR) T-cell therapy in patients with aggressive NHL including diffuse large B-cell lymphoma (DLBCL) (Press release, Kite Pharma, JUL 13, 2017, View Source [SID1234521047]). The research, led by James N. Kochenderfer, M.D., an Investigator in the Experimental Transplantation and Immunology Branch of the NCI Center for Cancer Research, and Steven A. Rosenberg, M.D., Ph.D., Chief of the Surgery Branch at NCI’s Center for Cancer Research, was performed pursuant to a Cooperative Research and Development Agreement (CRADA) between NCI and Kite.

This work follows previously published data in the February 2015 issue of the Journal of Clinical Oncology in which nine patients with chemorefractory aggressive NHL were treated with a single dose of anti-CD19 CAR T cells with a CD28 co-stimulatory domain. Seven of the 9 patients were evaluable for response. Complete remissions (CR) were observed in 5 of the 7 evaluable patients. Four of the 5 CRs are ongoing from 38 to 56+ months after treatment. There were no chronic toxicities attributable to CAR T cells except B-cell aplasia and hypogammaglobulinemia. Importantly, 3 of 4 patients in ongoing CR had recovery of normal polyclonal B cells, showing that durable CRs can be maintained in the absence of continued activity of anti-CD19 CAR T cells.

"We are encouraged to see durable CRs ongoing for more than 3 years, which raises a possibility of cure, from a single infusion of anti-CD19 CAR T cells in patients with chemorefractory DLBCL, a population that previously had no curative treatment options. This study helps us to understand the long-term potential for this anti-CD19 CAR T cell therapy (axicabtagene ciloleucel) in the larger aggressive NHL patient population," said David Chang, M.D., Ph.D., Executive Vice President of Research and Development and Chief Medical Officer of Kite.

FDA Advisory Committee Unanimously Recommends CTL019 (tisagenlecleucel) for Approval

On July 13, 2017 Oxford BioMedica plc ("Oxford BioMedica" or "the Group") (LSE:OXB), a leading gene and cell therapy group, reported that the US Food and Drug Administration’s (FDA) Oncologic Drugs Advisory Committee voted unanimously 10 to 0 in favour of approval of Novartis investigational therapy CTL019 (tisagenlecleucel) for the treatment of relapsed and refractory (r/r) paediatric and young adult patients with B-cell acute lymphoblastic leukaemia (ALL) (Press release, Oxford BioMedica, JUL 13, 2017, View Source [SID1234519799]).

Novartis announced in March that the FDA accepted its BLA filing and granted priority review for CTL019 in paediatric and young adult patients with B-cell ALL. The BLA review is ongoing and is under FDA priority review.

Oxford BioMedica is the sole manufacturer of the lentiviral vector that encodes CTL019. As announced in October 2014, Oxford BioMedica will also receive undisclosed royalties on potential future sales of Novartis CAR-T products. Oxford BioMedica recently signed an agreement with Novartis for the commercial and clinical supply of lentiviral vectors used to generate CTL019 and other undisclosed CAR-T products, for which Oxford BioMedica could potentially receive in excess of $100m from Novartis over the next three years.

John Dawson, Chief Executive Officer of Oxford BioMedica, commented: "The positive vote by 10 to 0 provides further support for CTL019, a novel immunocellular therapy, and we are proud to be a part of this important development. We continue to work closely with Novartis in delivering the lentiviral vector that encodes CTL019, a product the company described earlier this year as having "blockbuster" potential."

FDA Oncologic Drugs Advisory Committee Unanimously Recommends Approval of Mylan and Biocon’s Proposed Biosimilar Trastuzumab

On July 13, 2017 /PRNewswire/ — Mylan N.V. (NASDAQ, TASE: MYL) and Biocon Ltd. (BSE code: 532523, NSE: BIOCON) reported that the U.S. Food and Drug Administration (FDA) Oncologic Drugs Advisory Committee (ODAC) recommended approval of the companies’ proposed biosimilar trastuzumab (Press release, Mylan, JUL 13, 2017, View Source [SID1234519803]). The committee voted 16-0 in support of eligible indications of the reference product, Herceptin, which include HER2-positive breast cancer in the metastatic and adjuvant settings.

Mylan President Rajiv Malik commented: "We are pleased with ODAC’s recommendation to support the approval of Mylan’s proposed biosimilar trastuzumab to increase affordability, competition and most importantly overall access and use. As one of the largest suppliers of cancer medicines by volume in the U.S., Mylan is committed to serving this important patient community. We look forward to working with FDA to further increase access to this important treatment option for the thousands of patients affected by HER2-positive breast cancer each year."

Biocon CEO and Joint Managing Director Dr. Arun Chandavarkar said: "We welcome ODAC’s endorsement of our biosimilar trastuzumab as it brings our collaboration a step closer to addressing the critical needs of cancer patients in the U.S. We now look forward to engaging with the FDA to seek final approval in order to expand access to a high-quality, affordable option for treating HER2-positive breast cancers."

Data presented to ODAC included results from analytical, nonclinical and clinical studies which demonstrated that our proposed biosimilar trastuzumab is highly similar to Herceptin, in line with the FDA assessment provided in the pre-meeting briefing documents. ODAC determined that no clinically meaningful differences exist between the biosimilar product and Herceptin in terms of safety, purity and potency. As such, the committee concluded that the totality of evidence supports a recommendation for FDA approval.

FDA uses advisory committees and panels to obtain independent expert advice on a variety of matters, including product approvals. FDA often follows the advice of ODAC in determining whether a product should come to market, although they are not required to follow it.

Mylan and Biocon’s proposed biosimilar trastuzumab also is under review by regulatory authorities in Australia, Canada, Europe and several emerging markets.

About the Biocon and Mylan Partnership
Mylan and Biocon are exclusive partners on a broad portfolio of biosimilar and insulin products. The proposed biosimilar trastuzumab is one of the six biologic products co-developed by Mylan and Biocon for the global marketplace. Mylan has exclusive commercialization rights for the proposed biosimilar trastuzumab in the U.S., Canada, Japan, Australia, New Zealand and in the European Union and European Free Trade Association countries. Biocon has co-exclusive commercialization rights with Mylan for the product in the rest of the world.

CTI BioPharma Announces European Medicines Agency Validation of Pacritinib Marketing Authorization Application for Patients with Myelofibrosis who have Thrombocytopenia

On July 13, 2017 /PRNewswire/ — CTI BioPharma Corp. (NASDAQ and MTA: CTIC) reported that European Medicines Agency (EMA) has validated the Marketing Authorization Application (MAA) for pacritinib for the treatment of patients with myelofibrosis who have thrombocytopenia (platelet counts less than 100,000 per microliter) (Press release, CTI BioPharma, JUL 13, 2017, View Source [SID1234519802]).

Validation confirms that the submission is complete and initiates the centralized review process by the EMA’s Committee for Medicinal Products for Human Use (CHMP). The CHMP review period is 210 days, excluding question or opinion response periods, after which the CHMP opinion is reviewed by the European Commission, which usually issues a final decision on EU authorization within three months. If authorized, pacritinib would be granted a marketing license valid in all 28 EU member states.

"The MAA validation is a significant milestone for CTI BioPharma as we seek to bring pacritinib to patients with myelofibrosis who have thrombocytopenia that could benefit from its unique profile," said Adam R. Craig, M.D., Ph.D., President and CEO of CTI BioPharma. "We look forward to working with the CHMP/EMA during their review of this application."

The MAA is primarily supported by data from two randomized Phase 3 clinical trials, PERSIST-1 and PERSIST-2, that evaluated pacritinib in patients with myelofibrosis.