Array BioPharma Announces FDA Acceptance For Review Of Binimetinib And Encorafenib New Drug Applications For Patients With Advanced BRAF-mutant Melanoma

Excerpt:

“Array BioPharma (ARRY) today announced that the U.S. Food and Drug Administration (FDA) has accepted for review its New Drug Applications (NDAs) to support use of the combination of binimetinib 45 mg twice daily and encorafenib 450 mg once daily (COMBO450) for the treatment of patients with BRAF-mutant advanced, unresectable or metastatic melanoma. The FDA set a target action date under the Prescription Drug User Fee Act (PDUFA) of June 30, 2018 for both applications. In addition, the FDA informed Array that based on their preliminary review of the applications they have not identified any potential review issues, and that they are not currently planning to hold an advisory committee meeting to discuss these NDAs.  Array completed its NDA submissions at the end of June 2017based on findings from the pivotal Phase 3 COLUMBUS trial.”

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Lung Cancer Highlights from ASCO 2016


This year, the Annual Meeting of the American Society of Clinical Oncology (ASCO) did not produce any truly groundbreaking revelations about new treatments for lung cancer. However, researchers did report quite a few positive findings, and some disappointing ones. I have summarized some of the more prominent presentations below. Continue reading…


‘Real World’ Safety Study of Vemurafenib in BRAF V600–Mutated Metastatic Melanoma Shows Similar Safety Profile as Pivotal Trials

“As reported in The Lancet Oncology by Larkin et al, interim results of a safety study designed to reflect the spectrum of patients encountered in routine practice suggest that vemurafenib (Zelboraf) has a safety profile in patients with BRAF V600–mutated metastatic melanoma similar to that observed in the more select patient population included in registration trials. The study included patients with limited treatment options and sizable proportions with brain metastases, elevated lactate dehydrogenase (LDH), poor performance status, and age ≥ 75 years.”

Editor’s Note: The important takeaway from this story is that the drug vemurafenib can be used safely and effectively in some melanoma patients with poor prognoses, who may not fit the profile of patients typically enrolled in clinical trials to test the drug. To learn more about clinical trials and “targeted therapies” like vemurafenib, visit our Melanoma Basics.


BRAF inhibition linked to enhanced melanoma antigen expression and a more favorable tumor microenvironment in patients with metastatic melanoma

Metastatic melanoma patients treated with BRAF-targeted therapy had  increased melanoma antigen expression, T-cell infiltrate, and T-cell cytotoxicity, also decreased immunosuppressive cytokines, which allows for a more favorable tumor microenvironment.


Plexxikon updates Zelboraf Phase 1 data on BRAF V600E mutation-positive melanoma

Plexxikon today announced that updated Phase 1 clinical data of Zelboraf (vemurafenib) were presented at the Society for Melanoma Research (SMR) 2012 Congress, held November 8-11 in Los Angeles, CA.


Watchdog approves skin cancer drugs ipilimumab and vemurafenib

Patients with an advanced form of skin cancer were given new hope today after the health watchdog recommended that two life-extending treatments should be available on the NHS.


Combined BRAF and MEK Inhibition Improves Outcome in Metastatic Melanoma

The combination of dabrafenib and trametinib is safe and effective in BRAF-mutant melanoma.


PLOS ONE: The Prognostic Value of BRAF Mutation in Colorectal Cancer and Melanoma: A Systematic Review and Meta-Analysis

PLOS ONE: an inclusive, peer-reviewed, open-access resource from the PUBLIC LIBRARY OF SCIENCE. Reports of well-performed scientific studies from all disciplines freely available to the whole world.


Progression of RAS-Mutant Leukemia during RAF Inhibitor Treatment

Vemurafenib, a selective RAF inhibitor, extends survival among patients with BRAF V600E–mutant melanoma. Vemurafenib inhibits ERK signaling in BRAF V600E–mutant cells but activates ERK signaling in BRAF wild-type cells. This paradoxical activation of ERK signaling is the mechanistic basis for the development of RAS-mutant squamous-cell skin cancers in patients treated with RAF inhibitors. This study reports the accelerated growth of a previously unsuspected RAS-mutant leukemia in a patient with melanoma who was receiving vemurafenib. Exposure to vemurafenib induced hyperactivation of ERK signaling and proliferation of the leukemic cell population, an effect that was reversed on drug withdrawal.