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Two Array-Invented MEK Inhibitors Showcased At ASCO

"Two Array BioPharma-invented MEK inhibitors, binimetinib (MEK162) and selumetinib, were showcased at the 50th annual meeting of the American Society of Clinical Oncology (ASCO).  At the meeting, preliminary data for the combination of binimetinib and CDK4/6 inhibitor LEE011 (discovered by Novartis Institutes for BioMedical Research in collaboration with Astex Pharmaceuticals) from a Phase 1b/2 dose-escalation study conducted by Novartis in NRAS-mutant melanoma indicates the combination demonstrated an acceptable safety profile for most patients with promising preliminary antitumor activity.  Additionally, preliminary data for selumetinib showed favorable clinical activity in pediatric patients with neurofibromatosis type 1 (NF1) and plexiform neurofibromas (PNs)."


Editor's note: This article discusses a melanoma treatment that combines two durgs: binimetinib (aka MEK162) and selumetinib. A clinical trial recently found that the combo shows promise for melanoma patients whose tumors have mutations in the NRAS gene, as detected by molecular testing. Binimetinib is also being tested as a potential treatment for patients whose tumors have mutations in the BRAF gene.

Cancer Commons's insight:

Array BioPharma  |  Jun 2, 2014

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New Combination Treatment May Target Melanomas with BRAF Mutations Safely

New Combination Treatment May Target Melanomas with BRAF Mutations Safely | Melanoma Dispatch | Scoop.it

While melanomas with BRAF mutations can be targeted with a combination of BRAF inhibitors and MEK inhibitors, the treatment can have side effects such as fever, light sensitivity, and rashes. But early results of a phase I clinical trial suggest that BRAF-mutant melanomas could be treated safely and effectively with a new combination: LGX818, a BRAF inhibitor developed by Novartis and MEK162, a MEK inhibitor developed by Array BioPharma. Moreover, using these drugs together may decrease common side effects of targeted BRAF treatments, including skin toxicities and muscle and joint pain. A phase III trial of this new combination treatment is expected to begin later in 2013.

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Array Biopharma│Jun 3, 2013

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Binimetinib Continues To Advance In Clinical Development

Binimetinib Continues To Advance In Clinical Development | Melanoma Dispatch | Scoop.it

"Three Phase 3 trials with binimetinib continue to enroll in advanced cancer patients:  NRAS-mutant melanoma (NEMO / NCT01763164), low-grade serous ovarian cancer (MILO / NCT01849874) and BRAF-mutant melanoma (COLUMBUS / NCT01909453).  NRAS-mutant melanoma represents the first potential indication for binimetinib, with a projected regulatory filing from the NRAS-mutant melanoma study estimated to be in 2015."


Editor's note: This is a press release from a company that is testing a new potential treatment for melanoma called binimetinib, or "MEK162." The drug is being tested in clinical trials (learn more about clinical trials). One of the trials is enrolling melanoma patients whose tumors have mutations in the NRAS gene, as detected by molecular testing. Another is enrolling patients with BRAF mutations.

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Array Biopharma  |  Apr 23, 2014

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First Treatment that Targets Melanomas with NRAS Mutations

A phase II study suggests that a MEK inhibitor drug benefits people who have melanomas with NRAS mutations, which currently have no targeted treatments. The drug, called MEK162, shrank tumors in 20% of NRAS-mutated melanoma patients (6 out of 30). MEK162 also shrank tumors in 20% of BRAF-mutated melanoma patients (8 out of 41), as well as tumors that had spread to the brain in two patients. This study is registered with ClinicalTrials.gov as number NCT01320085 and is now recruiting more patients with NRAS mutations.

Cancer Commons's insight:

The Lancet Oncology │ Mar 2013

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