On September 25, 2015 Genmab A/S (OMX: GEN) reported that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has granted accelerated assessment to the Marketing Authorization Application (MAA) for daratumumab (Press release, Genmab, SEP 25, 2015, View Source [SID:1234507548]). The MAA is for daratumumab as a treatment for patients with relapsed and refractory multiple myeloma. The MAA was submitted to the EMA on September 9, 2015 by Janssen-Cilag International NV. In August 2012, Genmab granted Janssen Biotech, Inc. an exclusive worldwide license to develop, manufacture and commercialize daratumumab.

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The CHMP grants accelerated assessment when a medicinal product is expected to be of major public health interest particularly from the point of view of therapeutic innovation.

"Patients with multiple myeloma, particularly those who have exhausted all approved treatment options, are waiting for new medicines to treat this incurable disease. An accelerated approval optimizes the potential for daratumumab to provide a new therapy for this patient group more rapidly than under a standard review time," said Jan van de Winkel, Ph.D., Chief Executive Officer of Genmab.

The MAA submission includes data from the Phase II study (Sirius MMY2002) of daratumumab in multiple myeloma patients who have received at least three prior lines of therapy including both a proteasome inhibitor (PI) and an immunomodulatory agent (IMiD), or who are double refractory to a PI and an IMiD. Safety and efficacy data from the Phase I/II study (GEN501) and safety data from three other studies have also been included in the submission. A regulatory application for daratumumab has also been submitted to the U.S. Food and Drug Administration and has been granted Priority Review with a PDUFA date of March 9, 2016.

About multiple myeloma
Multiple myeloma is an incurable blood cancer that starts in the bone marrow and is characterized by an excess proliferation of plasma cells.1 Multiple myeloma is the third most common blood cancer in the U.S., after leukemia and lymphoma.2 Approximately 26,850 new patients will be diagnosed with multiple myeloma and approximately 11,240 people will die from the disease in the U.S. in 2015.3 Globally, it is estimated that 124,225 people will be diagnosed and 87,084 will die from the disease in 2015.4 While some patients with multiple myeloma have no symptoms at all, most patients are diagnosed due to symptoms which can include bone problems, low blood counts, calcium elevation, kidney problems or infections.5 Patients who relapse after treatment with standard therapies, including PIs or IMiDs, have poor prognoses and few treatment options.6

About daratumumab
Daratumumab is an investigational human IgG1k monoclonal antibody (mAb) that binds with high affinity to the CD38 molecule, which is highly expressed on the surface of multiple myeloma cells. It induces rapid tumor cell death through multiple immune-mediated mechanisms7, including complement-dependent cytotoxicity7, antibody-dependent cellular phagocytosis8 and antibody-dependent cellular cytotoxicity7, as well as via induction of apoptosis9 . Five Phase III clinical studies with daratumumab in relapsed and frontline settings are currently ongoing. Additional studies are ongoing or planned to assess its potential in other malignant and pre-malignant diseases on which CD38 is expressed, such as smoldering myeloma and non-Hodgkin lymphoma. Daratumumab has been granted Breakthrough Therapy Designation from the US FDA.

On September 25, 2015 Exelixis, Inc. (NASDAQ:EXEL) reported that the European Medicines Agency’s Committee for Medical Products for Human Use (CHMP) has adopted a positive opinion of the Marketing Authorization Application for cobimetinib, a selective MEK inhibitor discovered by Exelixis, in combination with vemurafenib for the treatment of BRAF V600 mutation-positive unresectable or metastatic melanoma (Press release, Exelixis, SEP 25, 2015, View Source [SID:1234507546]).

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The CHMP’s positive opinion will now be reviewed by the European Commission, which has the authority to approve medicines for the European Union. The European Commission is expected to release its final decision regarding the approval of the combination of cobimetinib and vemurafenib by the end of 2015.

"The CHMP’s positive opinion on cobimetinib for use in combination with vemurafenib is an important milestone in bringing this new therapeutic option to patients in Europe," said Michael M. Morrissey, Ph.D., president and chief executive officer of Exelixis. "We congratulate Genentech and Roche on this latest milestone in the European regulatory process. We also look forward to the regulatory decision anticipated this year in the United States, where we are fully prepared to co-promote cobimetinib with our partners."

The CHMP’s recommendation is based on data from coBRIM, the international, randomized double-blind controlled phase 3 pivotal trial evaluating cobimetinib in combination with vemurafenib in previously untreated patients with unresectable locally advanced or metastatic melanoma harboring a BRAF V600 mutation.

The combination of cobimetinib and vemurafenib recently received its first approval in Switzerland, where cobimetinib is marketed as Cotellic.

The coBRIM trial was conducted by Roche and Genentech, a member of the Roche Group. Genentech filed a New Drug Application (NDA) for cobimetinib in the United States, for which the Prescription Drug User Fee Act action date is November 11, 2015.

About the Cobimetinib Development Collaboration

After discovering cobimetinib internally, Exelixis advanced the product to investigational new drug (IND) status. In late 2006, the company entered into its worldwide collaboration with Genentech, under which Exelixis received initial upfront and milestone payments for signing the agreement and submitting the IND. Following the determination of the maximum tolerated dose in phase 1 by Exelixis, Genentech exercised its option to further develop cobimetinib. Under the terms of the collaboration, Exelixis is eligible to receive royalties on sales of cobimetinib outside the United States.

If cobimetinib is approved in the United States, Exelixis is entitled to an initial equal share of U.S. profits and losses, which will decrease as sales increase, and will share in U.S. marketing and commercialization costs. In November 2013, Exelixis exercised its option to co-promote cobimetinib in the United States and, under the terms of the agreement, the company is prepared to field up to 25 percent of the U.S. sales force.

About the cobimetinib and vemurafenib Combination

Cobimetinib is a selective inhibitor that blocks the activity of MEK, a protein kinase that is part of a key pathway (the RAS-RAF-MEK-ERK pathway) that promotes cell division and survival. This pathway is frequently activated in human cancers including melanoma, where mutation of one of its components (BRAF) causes abnormal activation in about 50 percent of tumors. About 50 percent of patients with BRAF mutation positive melanoma experience a tumor response when treated with a BRAF inhibitor, however development of resistance and subsequent tumor progression limits treatment benefit. Clinical and preclinical analyses indicated that reactivation of the MEK-ERK pathway may underlie development of resistance to BRAF inhibitors in many progressing tumors, and that co-treatment with a BRAF and MEK inhibitor delays the emergence of resistance in the preclinical setting, providing the rationale for testing the combination of vemurafenib and cobimetinib in clinical trials. In addition to the combination with vemurafenib in melanoma, cobimetinib is also being investigated in combination with several investigational medicines, including an immunotherapy, in several tumor types, including non-small cell lung cancer, colorectal cancer, triple-negative breast cancer and melanoma.

About Melanoma and its BRAF V600 Mutation-Positive Form

Melanoma is the less common, but more serious category of skin cancer that starts in the skin’s pigment producing cells known as melanocytes. According to the American Cancer Society, approximately five percent of skin cancer diagnoses are melanoma, but melanoma accounts for a large majority of skin cancer deaths. In recent years, there have been significant advances in treatment for metastatic melanoma and people with the disease have more options. However, it continues to be a serious health issue with a high unmet need and a steadily increasing incidence over the past 30 years. It is projected that approximately half of all melanomas, and eight percent of solid tumors, contain a mutation of the BRAF protein. BRAF is a key component of the RAS-RAF-MEK-ERK pathway involved in normal cell growth and survival. However, mutations that keep the BRAF protein in an active state may cause excessive signaling in the pathway, leading to uncontrolled cell growth and survival. The BRAF V600 mutation-positive form of melanoma is associated with high-risk characteristics of the disease, including early onset, the absence of chronic skin damage, and decreased survival.

On September 25, 2015 Celgene International Sàrl, a wholly owned subsidiary of Celgene Corporation (NASDAQ: CELG) reported that that the European Medicines Agency’s (EMA) Committee for Medicinal Products for Human Use (CHMP) has adopted a positive opinion for an expanded indication of VIDAZA (azacitidine for injection) for the treatment of adult patients aged 65 years or older with acute myeloid leukaemia (AML) who are not eligible for haematopoietic stem cell transplantation (HSCT) (Press release, Celgene, SEP 25, 2015, View Source [SID:1234507540]).

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The expanded indication now covers patients who have > 30% myeloblasts according to the WHO classification; previously, the indication covered AML patients with < 30% blasts.

Myeloblasts are white cells in the bone marrow; in AML, their functioning is disrupted and results in numerous non-functioning white cells, which can potentially interfere with the body’s ability to control infections and can lead to anaemia and haemorrhages.

For many patients, AML is typically associated with a poor prognosis and deteriorating quality of life, particularly for those patients who cannot tolerate curative therapies like stem cell transplantation. In Europe, more than 14,000 people suffer from AML, and most of these patients will die within less than 1 year. As an acute leukaemia, AML progresses rapidly and is typically fatal within months if stem cell transplant is not an option. Specific to elderly patients, overall survival with AML has not improved in more than 40 years1, and there is a clear need for treatments that can support this patient population.

"While progress has been made in treating younger, fitter AML patients who can undergo intensive and potentially curative therapies such as stem cell transplant, there is still a clear need for treatments for elderly and more frail patients," said Hervé Dombret, M.D., Chief, Blood Disease Department (Leukaemia Unit), University Hospital Saint-Louis, AP-HP, Paris, France. "Azacitidine has demonstrated a median overall survival of 10.4 months, and these results suggest that, if approved, azacitidine could provide a valuable treatment option for patients who have limited options today."

Adds Tuomo Pätsi, President of Celgene in Europe, Middle East and Africa (EMEA): "Celgene is committed to bringing innovative medicines to patients with haematological diseases including AML. With the positive CHMP opinion for VIDAZA in AML, Celgene has an opportunity to advance the treatment options available to patients with AML. And, we will continue to focus on meeting the unmet needs of patients with myeloid disease, as we have several partnerships and development programmes that will build on what we are learning about treating these diseases."

The CHMP decision was based on data from AML-001, a global, multi-centre, randomized, open-label pivotal study of patients at least 65 years old with newly diagnosed or secondary AML with > 30% bone marrow blasts. VIDAZA plus best supportive care (n=241) was compared with conventional care regimens (n=247). Median overall survival (OS), the primary endpoint of the study, was 10.4 months (95% CI 8.0-12.7 months) for patients receiving azacitidine compared with 6.5 months (95% CI: 5.0-8.6) for patients receiving conventional treatment regimens (HR=0.85 [95% CI 0.69, 1.03], stratified log-rank p=0.1009). One-year survival rates with azacitidine and conventional treatment regimens were 46.5% and 34.2%, respectively (difference 12.3% [95% CI: 3.5% – 21%]).

In the study, grade 3-4 anaemia, neutropenia, febrile neutropenia, and thrombocytopenia rates, respectively, were 16%, 26%, 28%, and 24% with azacitidine; 5%, 5%, 28%, 5% with best supportive care; 23%, 25%, 30%, 28% with low-dose Ara-Cytarabine; and 14%, 33%, 31%, 21% with intensive chemotherapy.

In addition to recommending the marketing authorisation for the new indication to the European Commission, the CHMP also noted that this new therapeutic indication brings significant clinical benefit in comparison with existing therapies; if the European Commission adopts the CHMP decision in full, VIDAZA will receive extended market protection in all its indications for an additional year throughout the European Economic Area.

The CHMP reviews applications for all 28 member states in the European Union (EU), as well as Norway, Liechtenstein and Iceland. The European Commission, which generally follows the recommendation of the CHMP, is expected to make its final decision within two months. If approval is granted, detailed conditions for the use of this product will be described in the Summary of Product Characteristics (SmPC), which will be published in the revised European Public Assessment Report (EPAR).

The anticipated European Commission decision would add to the portfolio of indications VIDAZA is authorised for across high-risk myeloid diseases, including myelodysplastic syndromes (MDS) and AML. VIDAZA has been approved in the EU since 2008 for the treatment of adult patients ineligible for transplantation diagnosed with intermediate 2 and high-risk MDS; chronic myelomonocytic leukaemia (CMML) with 10-29 % marrow blasts without myeloproliferative disorder; or acute myeloid leukaemia (AML) with 20-30 % blasts and multi-lineage dysplasia.

In the United States, VIDAZA is not indicated for treatment of patients with AML. VIDAZA is indicated for treatment of patients with the following French-American-British (FAB) myelodysplastic syndrome subtypes: refractory anaemia (RA) or refractory anaemia with ringed sideroblasts (RARS) (if accompanied by neutropenia or thrombocytopenia or requiring transfusions), refractory anaemia with excess blasts (RAEB), refractory anaemia with excess blasts in transformation (RAEB-T), and chronic myelomonocytic leukemia (CMMoL).

IMPORTANT SAFETY INFORMATION

CONTRAINDICATIONS:

VIDAZA is contraindicated in patients with a known hypersensitivity to azacitidine or mannitol and in patients with advanced malignant hepatic tumors

WARNINGS AND PRECAUTIONS:

Anemia, Neutropenia and Thrombocytopenia:

Because treatment with VIDAZA causes anemia, neutropenia, and thrombocytopenia, monitor complete blood counts frequently for response and/or toxicity, at a minimum, prior to each dosing cycle

VIDAZA Toxicity in Patients with Severe Pre-existing Hepatic Impairment:

Because azacitidine is potentially hepatotoxic in patients with severe preexisting hepatic impairment, caution is needed in patients with liver disease.

Renal Toxicity:

Azacitidine and its metabolites are primarily excreted by the kidneys and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. These patients, including the elderly should be closely monitored for toxicity

Use in Pregnancy:

VIDAZA may cause fetal harm when administered to a pregnant woman. Women of childbearing potential should be apprised of the potential hazard to the fetus. Men should be advised not to father a child while receiving VIDAZA

USE IN SPECIFIC POPULATIONS:

Nursing Mothers:

Nursing mothers should be advised to discontinue nursing or the drug, taking into consideration the importance of the drug to the mother

ADVERSE REACTIONS:

In Studies 1 and 2, the most commonly occurring adverse reactions by SC route were nausea (70.5%), anemia (69.5%), thrombocytopenia (65.5%), vomiting (54.1%), pyrexia (51.8%), leukopenia (48.2%), diarrhea (36.4%), injection site erythema (35.0%), constipation (33.6%), neutropenia (32.3%), and ecchymosis (30.5%). Other adverse reactions included dizziness (18.6%), chest pain (16.4%), febrile neutropenia (16.4%), myalgia (15.9%), injection site reaction (13.6%), and malaise (10.9%). In Study 3, the most common adverse reactions by IV route also included petechiae (45.8%), weakness (35.4%), rigors (35.4%), and hypokalemia (31.3%)

In Study 4, the most commonly occurring adverse reactions were thrombocytopenia (69.7%), neutropenia (65.7%), anemia (51.4%), constipation (50.3%), nausea (48.0%), injection site erythema (42.9%), and pyrexia (30.3%). The most commonly occurring Grade 3/4 adverse reactions were neutropenia (61.1%), thrombocytopenia (58.3%), leukopenia (14.9%), anemia (13.7%), and febrile neutropenia (12.6%)

About Acute Myeloid Leukaemia

For many patients, AML is a disease that is associated with a poor prognosis and deteriorating quality of life. AML patients tend to be older with poor-risk features; as such, a large proportion are ineligible for intensive but potentially curative therapies, and while there have been some advances recently, treatment options remain limited. Celgene is committed to providing breakthrough treatments and innovative technologies for patients with AML, including those with a poor prognosis. Multiple Celgene products are under investigation and are at various stages of development in AML.

On September 25, 2015 Bristol-Myers Squibb Company (NYSE:BMY) and Moffitt Cancer Center reported that they have entered into a collaboration agreement as part of Bristol-Myers Squibb’s Immuno-Oncology Rare Population Malignancy (I-O RPM) program in the U.S. The I-O RPM program is a multi-institutional initiative with academic-based cancer centers focused on the clinical investigation of immuno-oncology therapeutics as potential treatment options for patients with high risk, poor prognostic cancers, defined as a rare population malignancy (Press release, Bristol-Myers Squibb, SEP 25, 2015, View Source [SID:1234507539]).

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As part of the I-O RPM program, Bristol-Myers Squibb and Moffitt will conduct a range of early phase clinical studies, including clinical investigations by young investigators to strengthen their development as clinical research scientists.

"Moffitt Cancer Center has had a long-standing commitment to immuno-oncology research, including in partnership with Bristol-Myers Squibb, and we look forward to our continued work with them as part of the I-O RPM program," said Laura Bessen, MD, head of U.S. Medical, Bristol-Myers Squibb.

"This new partnership with Bristol-Myers Squibb will foster new Moffitt investigator-initiated studies for rare tumors and gives our faculty the opportunity to educate research students about innovative clinical trials," said Dan Sullivan, M.D., Associate Center Director for Clinical Science at Moffitt.

About I-O RPM

Immuno-oncology is an innovative approach to cancer research and treatment that is designed to harness the body’s own immune system to fight cancer. The I-O RPM program focuses on significant areas of high unmet need marked by poor outcomes among patients with rare population malignancies. A rare population malignancy is a subpopulation within a higher incident disease population (e.g. BRCA 1 and 2 breast cancer). These patients have aggressive disease with an increased potential for early metastasis to multiple sites and/or are initially refractory or subject to early recurrences with conventional cancer therapies. Existing clinical research provide a strong rationale for further research into the potential of immunotherapies for these cancers.

The I-O RPM builds on Bristol-Myers Squibb’s formation in 2012 of the International Immuno-Oncology Network (II-ON). II-ON is a global collaboration between Bristol-Myers Squibb and academia focused on facilitating the translation of scientific research findings into clinical trials and, eventually, clinical practice.