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Pharma Collaborations Abound Across Oncology

Silas Inman @silasinman
Published: Thursday, Aug 21, 2014

Lab TechA number of large pharmaceutical companies have forged clinical trial collaborations focused on the investigation of novel combinations and companion diagnostics across multiple cancer indications, according to several statements released in the past month.

Many of these partnerships look to capitalize on the growing field of immunotherapy, through novel drug combinations with PD-1 inhibitors. Additionally, as more genomic information becomes available, companies are looking toward agreements to meet the ever-growing need for biomarkers and molecular assays.

Novel PD-1 Combinations Explored

On August 20, Bristol-Myers Squibb (BMS) and Celgene announced plans to establish a phase I clinical trial program focused on the combination of the PD-1 inhibitor nivolumab and nab-paclitaxel (Abraxane) across multiple tumors types. The study is expected to begin enrolling patients toward the end of 2014 for patients with HER2-negative breast cancer, non-small cell lung cancer (NSCLC), and pancreatic cancer.

The FDA initially approved nab-paclitaxel in 2005 as a treatment for patients with metastatic breast cancer following progression on combination chemotherapy. In 2012, the FDA approved the drug as a frontline treatment for patients with advanced NSCLC in combination with carboplatin. In 2013, nab-paclitaxel plus gemcitabine was approved as first-line treatment for patients with metastatic pancreatic cancer. 

Following the approved indications for nab-paclitaxel, patients in the NSCLC arm of the phase I study will also receive carboplatin with nab-paclitaxel and nivolumab. Additionally, patients with pancreatic cancer will receive gemcitabine, nab-paclitaxel, and nivolumab.

Nivolumab made an impressive first appearance at the 2012 ASCO Annual Meeting, when it turned heads as a single-agent treatment for patients with melanoma, NSCLC, and renal cell carcinoma (RCC). In early 2014, BMS announced plans for a rolling submission for nivolumab as a third-line treatment for patients with squamous cell NSCLC. Additionally, the submission of a New Drug Application for nivolumab as a treatment for patients with melanoma is anticipated in the coming months.

“We believe that Abraxane is appropriate as a combination partner for novel immuno-oncology therapies due to its proven anti-tumor activity and that it can be administered without steroid premedication,” Markus Renschler, MD, senior vice president and global head of Hematology & Oncology Medical Affairs at Celgene, said in a release. “Our collaboration with Bristol-Myers Squibb further underscores our commitment to understanding and modulating the immune system to advance the treatment paradigm in cancer.”

In February, Merck announced that it had entered into agreements with subsidiaries of Amgen, Incyte, and Pfizer for the evaluation of the PD-1 inhibitor pembrolizumab (MK-3475). Through this collaboration, pembrolizumab will be explored in combination with axitinib in RCC, talimogene laherparepvec in previously untreated advanced melanoma, the immunotherapy INCB24360 in previously treated metastatic recurrent NSCLC, and PF-2566 in multiple cancer types.

The FDA assigned a priority review designation to pembrolizumab as a potential treatment for patients with unresectable or metastatic melanoma following progression on ipilimumab in May 2014. As part of this review program, the FDA will make a decision on the drug by October 28, 2014.

NGS-Based Companion Diagnostics

Illumina is developing a next-generation sequencing (NGS)-based companion diagnostic that will be utilized for treatment selection across a variety of clinical trials investigating therapies from AstraZeneca (AZ), Janssen Biotech, and Sanofi.

The collaborative clinical trials will utilize Illumina's MiSeqDX NGS platform, which received FDA approval in November 2013 for patients with cystic fibrosis. This system isolates and copies specific genes from blood samples that are then analyzed using custom software.

NGS allows for high throughput gene sequencing, which provides more information than traditional single-analyte diagnostics. The efficacy of the MiSeqDX platform was validated across various genomic segments from 19 chromosomes, according to the FDA. This broad range of efficacy allows for a single NGS-based assay to effectively serve as a companion diagnostic across multiple indications.

“This partnership has the potential to deliver an unprecedented amount of clinical information from a single test. Illumina’s technology will inform doctors about the molecular make-up of their patients’ tumors, enabling them to match medicines to the drivers of disease," Ruth March, the vice president of Personalized Healthcare & Biomarkers at AstraZeneca, said in a statement. "Our aim is that doctors can use these tests to prescribe the right drugs to the right patients – bringing benefits to healthcare professionals, payers and patients alike.”


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