8-K – Current report

On October 14, 2014 Sorrento Therapeutics reported positive results from recently analyzed pharmacokinetic (PK) data from the first eight (8) patients enrolled in its ongoing TRIBECA (TRIal establishing BE between Cynviloq and Albumin-bound paclitaxel) registrational trial (Filing 8-K , Sorrento Therapeutics, OCT 14, 2014, View Source [SID:1234500829]). The data from these patients supports earlier completion of the study with the aim of seeking to establish bioequivalence (BE) to albumin-bound paclitaxel to obtain Food and Drug Administration (FDA) marketing approval for Cynviloq (paclitaxel polymeric micelle for injection).

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Sorrento amended the current BE cross-over design protocol of the TRIBECA study to un-blind the first 8 patients to reassess the sample size of 100 patients estimated from simulation of historical PK data. Based on the cross-over data and the analyses of relevant paclitaxel plasma PK data performed by two independent PK consulting groups, the success of the BE approach for seeking approval of Cynviloq remains subject to FDA review and discussion. Sorrento does not plan to un-blind additional patient data. Current sample size point estimates suggest that the enrollment target for the current study can be reduced to nearly half of the original target.

"We are pleased that the favorable PK data from actual patients treated have thus far exceeded our expectations", said Henry Ji, Ph.D., President and Chief Executive Officer of Sorrento. "Guided by these promising data, Sorrento plans to reduce the TRIBECA patient sample size to accelerate filing for FDA approval."

Pfizer Announces FDA Acceptance Of Palbociclib New Drug Application With Priority Review

On October 13, 2014 Pfizer reported that the New Drug Application (NDA) for palbociclib has been accepted for filing and granted Priority Review by the United States Food and Drug Administration (FDA) (Press release Pfizer, OCT 13, 2014, View Source [SID:1234500826]). This NDA requests FDA approval of palbociclib, in combination with letrozole, as a first-line treatment for postmenopausal women with estrogen receptor positive (ER+), human epidermal growth factor receptor 2 negative (HER2-) advanced breast cancer who have not received previous systemic treatment for their advanced disease. The submission is based on the final results of PALOMA-1, a randomized, Phase 2 trial comparing palbociclib plus letrozole versus letrozole alone in this population of patients.

The FDA’s Priority Review status accelerates the review time from 10 months to a goal of six months from the day of acceptance of filing and is given to drugs that may offer major advances in treatment or may provide a treatment where no adequate therapy exists. The Prescription Drug User Fee Act (PDUFA) goal date for a decision by the FDA is April 13, 2015.

Palbociclib received Breakthrough Therapy designation from the FDA in April 2013, for the first-line systemic treatment of women with advanced or metastatic ER+, HER2- breast cancer.

"If approved as a first-line therapy in combination with letrozole, palbociclib will be an important new option for the thousands of women in the U.S. who are living with metastatic breast cancer," said Garry Nicholson, president, Pfizer Oncology. "We look forward to continuing to work closely with the FDA through the review process."

Pfizer recently announced the initiation of a multi-center, open-label expanded access program (EAP) in the United States for palbociclib. Through the program, palbociclib is available to post-menopausal women with hormone receptor-positive (HR+), HER2- advanced breast cancer who are eligible for letrozole therapy and for whom enrolling in other palbociclib clinical trials is not an option. Healthcare professionals and patients can learn more about the palbociclib EAP by visiting www.clinicaltrials.gov (trial number: NCT02142868).

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Bristol-Myers Squibb, Pharmacyclics and Janssen Announce Clinical Collaboration to Evaluate OPDIVO(R) (nivolumab) and IMBRUVICA(R)(ibrutinib) in Non-Hodgkin Lymphoma

On October 13, 2014 Bristol-Myers Squibb Company (NYSE:BMY), Pharmacyclics, Inc. (NASDAQ:PCYC), and Janssen Research & Development, LLC reported that they have entered into a clinical trial collaboration agreement to evaluate the safety, tolerability and preliminary efficacy of Bristol-Myers Squibb’s investigational PD-1 immune checkpoint inhibitor OPDIVO(R) (nivolumab) in combination with IMBRUVICA(R) (ibrutinib), an oral Bruton’s tyrosine kinase (BTK) inhibitor co-developed and co-marketed by Pharmacyclics and Janssen (Press release, Bristol-Myers Squibb, OCT 13, 2014, View Source [SID:SID1234515156]). The Phase 1/2 study will focus on evaluating the safety and anti-tumor activity of combining OPDIVO and IMBRUVICA as a potential treatment option for patients with non-Hodgkin lymphoma (NHL), including diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL) and chronic lymphocytic leukemia (CLL). Bristol-Myers Squibb has proposed the name OPDIVO (pronounced op-dee-voh), which if approved by health authorities, will serve as the trademark for the investigational drug, nivolumab.

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OPDIVO is part of a new class of cancer treatments known as immunotherapies, which are designed to harness the body’s own immune system in fighting cancer by targeting distinct regulatory components of the immune system. Each agent has individually shown activity against hematologic malignancies in clinical trials; pre-clinical evidence suggests OPDIVO and IMBRUVICA may have the potential for additive treatment effects in patients with hematologic malignancies.

"Our collaboration to study OPDIVO in combination with IMBRUVICA is an innovative approach to accelerating Bristol-Myers Squibb’s progress in the study of immuno-oncology and hematologic malignancies, gaining further insight into promising areas of drug development and research," stated Michael Giordano, senior vice president, Head of Development, Oncology, Bristol-Myers Squibb. "We look forward to working with Pharmacyclics and Janssen to evaluate the potential of these two therapies as options for patients with lymphomas."

"We are excited about the opportunity to understand and evaluate the potential activity of IMBRUVICA and OPDIVO together, and the benefits this combination may offer patients," said Peter F. Lebowitz, M.D., Ph.D., Global Oncology Head, Janssen. "We look forward to working with Bristol-Myers Squibb and Pharmacyclics on this study as we continue to grow the body of knowledge about IMBRUVICA in different settings and patient populations."

"This collaboration underscores our interest in exploring the use of IMBRUVICA in combination with other therapies to address a variety of histologies in which we believe IMBRUVICA can make a meaningful clinical difference," said Bob Duggan, Chairman and CEO, Pharmacyclics. "We value our strategic collaboration with Janssen and look forward to extending our relationship to Bristol-Myers Squibb for this project as our companies collectively seek to advance treatment options for patients."

The study will be conducted by Janssen. Additional details of the collaboration were not disclosed.

About OPDIVO (nivolumab)

Cancer cells may exploit "regulatory" pathways, such as checkpoint pathways, to hide from the immune system and shield the tumor from immune attack. OPDIVO is an investigational, fully-human PD-1 (programmed death-1) immune checkpoint inhibitor that binds to the checkpoint receptor PD-1 expressed on activated T-cells.

Bristol-Myers Squibb has a broad, global development program to study OPDIVO in multiple tumor types consisting of more than 35 trials – as monotherapy or in combination with other therapies – in which more than 7,000 patients have been enrolled worldwide. Among these are several potentially registrational trials in non-small cell lung cancer (NSCLC), melanoma, renal cell carcinoma (RCC), head and neck cancer, glioblastoma and NHL.

In 2013, the FDA granted Fast Track designation for OPDIVO in NSCLC, melanoma and RCC. In April 2014, the company initiated a rolling submission with the FDA for OPDIVO in third-line pre-treated squamous cell NSCLC and expects to complete the submission by year-end. The FDA granted its first Breakthrough Therapy Designation for OPDIVO in May 2014 for the treatment of patients with Hodgkin lymphoma after failure of autologous stem cell transplant and brentuximab. On July 4, Ono Pharmaceutical Co. announced that OPDIVO received manufacturing and marketing approval in Japan for the treatment of patients with unresectable melanoma, making OPDIVO the first PD-1 immune checkpoint inhibitor to receive regulatory approval anywhere in the world. On September 26, Bristol-Myers Squibb announced that the FDA accepted for priority review the Biologics License Application for previously treated advanced melanoma, and the Prescription Drug User Fee Act goal date for a decision is March 30, 2015. The FDA also granted OPDIVO Breakthrough Therapy status for this indication. In the European Union, the European Medicines Agency (EMA) has validated for review the Marketing Authorization Application (MAA) for OPDIVO in advanced melanoma. The application has also been granted accelerated assessment by the EMA’s Committee for Medicinal Products for Human Use. The EMA also validated for review the MAA for nivolumab in NSCLC.

About IMBRUVICA(R)

IMBRUVICA(R) (ibrutinib) is a first-in-class, oral, once-daily therapy that inhibits a protein called Bruton’s tyrosine kinase (BTK). BTK is a key signaling molecule in the B-cell receptor signaling complex that plays an important role in the survival and spread of malignant B cells. IMBRUVICA blocks signals that tell malignant B cells to multiply and spread uncontrollably.

IMBRUVICA is approved for the treatment of patients with CLL who have received at least one prior therapy, and for the treatment of CLL patients with del 17p, a genetic mutation that occurs when part of chromosome 17 has been lost.

IMBRUVICA is also approved for the treatment of patients with mantle cell lymphoma (MCL) who have received at least one prior therapy. Accelerated approval was granted for the MCL indication based on overall response rate (ORR). Improvements in survival or disease-related symptoms have not been established. Continued approval for the MCL indication may be contingent upon verification of clinical benefit in confirmatory trials.

IMBRUVICA is being studied alone and in combination with other treatments in several blood cancers including CLL, MCL, Waldenstrom’s macroglobulinemia (WM), DLBCL, FL and multiple myeloma (MM). Approximately 3,500 patients have received IMBRUVICA in clinical trials conducted in 35 countries by more than 800 investigators around the world. As of June 30, 2014, 12 Phase 3 trials have been initiated with IMBRUVICA and approximately 50 trials are registered on www.clinicaltrials.gov. The overall clinical development program in CLL currently includes seven Phase 3 trials and covers all lines of therapy and various combinations of treatments.

IMBRUVICA was one the first medicines to receive U.S. FDA approval via the new Breakthrough Therapy Designation pathway, and is the only product to have received three Breakthrough Therapy Designations. IMBRUVICA is jointly developed and commercialized by Janssen Biotech, Inc. and Pharmacyclics.

IMBRUVICA INDICATIONS

IMBRUVICA is indicated to treat people with:

— Mantle cell lymphoma (MCL) who have received at least one prior therapy
o Accelerated approval was granted for this indication based on overall
response rate. Improvements in survival or disease-related symptoms
have not been established. Continued approval for this indication may
be contingent upon verification of clinical benefit in confirmatory
trials.
— Chronic lymphocytic leukemia (CLL) who have received at least one prior
therapy
— Chronic lymphocytic leukemia (CLL) with 17p deletion

IMBRUVICA – IMPORTANT SAFETY INFORMATION

Warnings and Precautions include hemorrhage, infection, cyptopenias, atrial fibrillation, second primary malignancies, and embryo-fetal toxicity.

The most common adverse reactions include thrombocytopenia, diarrhea, neutropenia, anemia, fatigue, musculoskeletal pain, peripheral edema, upper respiratory tract infection, nausea, bruising, dyspnea, constipation, rash, abdominal pain, pyrexia, vomiting, and decreased appetite.

Dynavax Initiates Phase 1/2 Study of TLR-9 Agonist Immunotherapy in B-Cell Lymphoma

On October 13, 2014 Dynavax Technologies reported the initiation of a phase 1/2 clinical trial to assess the safety and preliminary efficacy of SD-101, an investigational Toll-like receptor ("TLR") 9 agonist, in adults with untreated low-grade B-cell lymphoma (Press release Dynavax Technologies, OCT 13, 2014, View Source [SID:1234500825]). In this multicenter study (known as LYM-01), SD-101 is administered intratumorally in combination with localized low-dose radiation. The open-label, dose escalation and expansion design of LYM-01 is intended to accelerate dose optimization while simultaneously assessing the safety, tolerability and initial local and distant antitumor activity of SD-101.

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"Beginning LYM-01 is an important milestone in the maturation of Dynavax’s TLR-based cancer immunotherapy research and development efforts" said Eddie Gray, Dynavax CEO. "This study will provide a range of data that will be integral to our strategy for evaluating SD-101 both alone and in combination with other immuno-oncology agents, such as checkpoint inhibitors."

LYM-01 Study Design

LYM-01 is an open-label, single arm, multicenter, dose-escalation and expansion study designed to evaluate the safety and preliminary efficacy of localized low-dose radiation therapy and intratumoral SD-101 injection into a single target lesion. It will include up to 25 patients diagnosed with untreated low-grade B-cell lymphomas who do not require immediate systemic therapy and are appropriate candidates for "watch and wait." Treatment consists of local radiation given over 2 days followed by 5 weekly intratumoral injections of 1, 2, 4, or 8 mg of SD-101. The total duration of patient participation in this study is up to 2 years.

The primary objectives of LYM-01 are:

To assess safety and tolerability of escalating doses of SD-101 administered with low-dose radiation;
To evaluate the pharmacodynamic profile of interferon-inducible genes in whole blood 24 hours after injection; and
To determine the maximum tolerated dose or optimal dose.

A key secondary objective of the study is assessment of the objective response to SD-101 in untreated lesions distant from the lesion in which SD-101 and radiation were administered. All tumor responses are assessed according to the Cheson criteria.

(Press release, Apotex, OCT 13, 2014, View Source [SID:1234504499])

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