On November 16, 2015 Clovis Oncology, Inc. (NASDAQ: CLVS) reported that during its regularly scheduled Mid-Cycle Communication Meeting held last week with the U.S. Food and Drug Administration (FDA), the agency requested additional clinical data for use in the efficacy analysis for both the 500mg and 625mg BID dose patient groups for rociletinib (Press release, Clovis Oncology, NOV 16, 2015, View Source [SID:1234508247]). The Company will provide this information in a Major Amendment to the FDA by close of business today.

Schedule your 30 min Free 1stOncology Demo!
Discover why more than 1,500 members use 1stOncology™ to excel in:

Early/Late Stage Pipeline Development - Target Scouting - Clinical Biomarkers - Indication Selection & Expansion - BD&L Contacts - Conference Reports - Combinatorial Drug Settings - Companion Diagnostics - Drug Repositioning - First-in-class Analysis - Competitive Analysis - Deals & Licensing

                  Schedule Your 30 min Free Demo!

"We remain confident in rociletinib and its potential to treat patients with mutant EGFR T790M-positive lung cancer, said Patrick J. Mahaffy, President and CEO of Clovis Oncology. "We will continue to work diligently with the FDA on our NDA submission."

In the Mid-Cycle Communication meeting, the FDA emphasized that its efficacy analysis would focus solely on confirmed responses. The New Drug Application (NDA) submitted by Clovis to the FDA contained immature data sets based on both unconfirmed response rates and confirmed response rates. These data sets were updated in the 90 day efficacy update the Company submitted at the end of October.

As the rociletinib clinical trials were rapidly enrolling, Clovis presented interim data publicly and at medical meetings and these data therefore included a data set based primarily on unconfirmed responses. This was also true of the Company’s Breakthrough Therapy designation submission. In the Company’s NDA submission, both immature confirmed and unconfirmed response analyses were submitted. As the efficacy data have matured, the number of patients with an unconfirmed response who converted to a confirmed response was lower than expected.

In the intent to treat analysis of the 79 patients in the 500mg dose group, the current confirmed response rate is 28 percent, and 34 percent in the 170 patients in the 625mg dose group, with an encouraging duration of response in both doses. The most frequent reasons that patients’ responses were not confirmed in a subsequent scan were due to progression, often due to brain metastasis, and due to subsequent scans not demonstrating tumor shrinkage greater than 30 percent.

The Company anticipates that the review of this additional information will result in a delay of a potential approval. This additional review could lead to an extension of the Company’s March 30, 2016 Prescription Drug User Fee Act (PDUFA) date.

About Rociletinib
Rociletinib is the company’s novel, oral, targeted covalent (irreversible) mutant-selective inhibitor of EGFR in development for the treatment of NSCLC in patients with initial activating EGFR mutations, as well as the dominant resistance mutation T790M. Data from both the pivotal, single-arm TIGER-X and TIGER-2 clinical trials served as the basis for the U.S. and EU regulatory submissions for the treatment of advanced mutant EGFR T790M-positive lung cancer. Rociletinib was given Breakthrough Therapy designation by the FDA in May 2014.

On November 16, 2015 Array BioPharma Inc. (Nasdaq: ARRY) and Pierre Fabre treported a collaboration to globally develop and commercialize Array’s late-stage novel oncology products, binimetinib and encorafenib (Press release, Array BioPharma, NOV 16, 2015, View Source [SID:1234508245]). Binimetinib, a MEK inhibitor, and encorafenib, a BRAF inhibitor, are currently advancing in three, global Phase 3 trials for melanoma and ovarian cancer. Top-line results from NEMO, a Phase 3 study of binimetinib in patients with NRAS-mutant melanoma, are anticipated before the end of 2015. Array plans to host a conference call on November 16, 2015 at 9:00 am ET to discuss the collaboration.

Schedule your 30 min Free 1stOncology Demo!
Discover why more than 1,500 members use 1stOncology™ to excel in:

Early/Late Stage Pipeline Development - Target Scouting - Clinical Biomarkers - Indication Selection & Expansion - BD&L Contacts - Conference Reports - Combinatorial Drug Settings - Companion Diagnostics - Drug Repositioning - First-in-class Analysis - Competitive Analysis - Deals & Licensing

                  Schedule Your 30 min Free Demo!

Under the terms of the agreement, Array will receive an upfront payment of $30 million and retains exclusive commercialization rights for binimetinib and encorafenib in the United States, Canada, Japan, Korea and Israel. Pierre Fabre will have exclusive rights to commercialize both products in all other countries, including Europe, Asia and Latin America. Array is entitled to receive up to $425 million if certain development and commercialization milestones are achieved, and is eligible for robust, tiered double-digit royalties. Array and Pierre Fabre have agreed to split future development costs on a 60:40 basis (Array:Pierre Fabre) with initial funding committed for new clinical trials in colorectal cancer and melanoma. All ongoing binimetinib and encorafenib clinical trials remain substantially funded through completion by Novartis.

Pierre Fabre Oncology, a business unit of the global 10,000-employee Pierre Fabre company, is supported by over 1,000 employees with a strong focus on European markets. In 2014, worldwide annual sales of Pierre Fabre Oncology products surpassed $200 million on the strength of the Oral Navelbine, Javlor and Busilvex brands. In addition, Pierre Fabre has a significant commitment and track record in pharmaceutical R&D, developing products for patients afflicted with lung, breast and other solid tumors and hematological cancers.

"In Pierre Fabre we selected a partner with a European and emerging market focus in oncology to develop and commercialize binimetinib and encorafenib in these geographies," said Ron Squarer, Chief Executive Officer, Array BioPharma. "With Phase 3 trials approaching data readouts, and over 30 additional Phase 1/2 trials underway, we are confident that binimetinib and encorafenib are well positioned for near-term regulatory submissions and significant commercial value."

"Pierre Fabre is strongly committed to develop and commercialize oncology products," said Frederic Duchesne, Chief Executive Officer, Pierre Fabre Pharmaceuticals. "This partnership with Array is aligned with our growth strategy in Pharmaceuticals, our geographic footprint, and our corporate mission to bring to the market novel oncology products which address unmet patient needs. Binimetinib and encorafenib will fit perfectly with our broad expertise in oncology and dermatology, and will strengthen our current portfolio and international presence."

The agreement remains subject to European Commission on Competition review and approval.

About Binimetinib and Encorafenib

RAF and MEK are key protein kinases in the RAS/RAF/MEK/ERK pathway. Research has shown this pathway regulates several key cellular activities including proliferation, differentiation, migration, survival and angiogenesis. Inappropriate activation of proteins in this pathway has been shown to occur in many cancers, such as non-small cell lung cancer, melanoma, colorectal, ovarian and thyroid cancers. Binimetinib is a small molecule MEK inhibitor and encorafenib is a small molecule BRAF inhibitor, both of which target key enzymes in this pathway. Three Phase 3 trials in advanced cancer patients continue to advance: NRAS-mutant melanoma (NEMO, with binimetinib), low-grade serous ovarian cancer (MILO, with binimetinib) and BRAF-mutant melanoma (COLUMBUS, with binimetinib and encorafenib). NRAS-mutant melanoma represents the first potential indication for binimetinib, with a projected regulatory filing estimated in the first half of 2016. Array also projects a regulatory filing of binimetinib in combination with encorafenib in BRAF melanoma in 2016.

– See more at: View Source#sthash.y4k1GweL.dpuf