Targeted BRAF/MEK Inhibitor Combination Achieves Long-Term Survival in Melanoma

Excerpt:

“More than one-fourth of patients with advanced BRAF V600-mutant melanoma remained alive at 5 years after treatment with the combination of dabrafenib (Tafinlar) and trametinib (Mekinist), long-term follow-up from a randomized trial showed.

“In the subgroup of patients with normal baseline lactate dehydrogenase (LDH) and fewer than 3 organ sites with metastases, half remained at alive at 5 years. No new safety signals emerged during long-term follow-up, as reported at the 2017 ASCO Annual Meeting in Chicago.”

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FDA Approves Tafinlar Plus Mekinist for BRAF V600E–Mutant Non–Small Cell Lung Cancer

Excerpt:

“The FDA approved use of dabrafenib in combination with trametinib for treatment of patients with metastatic non–small cell lung cancer whose tumors harbor BRAF V600E mutations, according to the agents’ manufacturer.

“The combination of dabrafenib (Tafinlar, Novartis) — a BRAF inhibitor — and trametinib (Mekinist, Novartis), a MEK1/2 inhibitor — is the first targeted treatment approved in the United States specifically for patients with BRAF V600E–positive metastatic NSCLC.”

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Super Patient: Peter Fortenbaugh Faces the Uncertainty of Pioneering Melanoma Treatment


In spring of 2014, Peter Fortenbaugh noticed what appeared to be a tick that had bitten his lower calf. “It turned out not to be a tick, but it didn’t really go away,” he says.

The spot began to grow and bulge, and in October, Peter showed it to his primary care doctor, who referred him to a dermatologist to remove it. At the time, Peter recalls, it did not occur to him that the growth could be serious.

“I was actually very concerned about skin cancer because I spent a lot of time out in the sun sailing,” Peter says. “I put on a tremendous amount of sunscreen and protection, but never on my legs…I never connected the dots.”

However, a biopsy of the growth came back positive for melanoma. Peter, who lives in Palo Alto, California, with his wife and three children, immediately reached out to several doctors in the San Francisco Bay Area, and all had the same advice: “Take it out, take a biopsy.” Continue reading…


Melanoma: New Drugs and New Challenges (Part 1 of 2)


New targeted and immunotherapy drugs have changed the diagnosis of metastatic melanoma from a death sentence into a disease that can potentially be managed and even cured. Nevertheless, these new drugs do not work in all patients, or they may stop working after a transient response. This post (part one of two) will describe ongoing efforts to find drug combinations with higher efficacy than single drugs and decipher the mechanisms underlying drug resistance. Continue reading…


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…


3-Year Follow-Up Data for Dabrafenib/Trametinib Confirm Results of Combo in Melanoma

Excerpt:

“Three-year follow-up data from the phase III COMBI-d study was presented at the 2016 ASCO Annual Meeting, revealing impressive overall survival (OS) and progression-free survival (PFS) data for the dabrafenib (Tafinlar) and trametinib (Mekinist) combination therapy for patients with BRAF-mutant metastatic melanoma.

“At the February 15, 2016 data cutoff for the 3-year analysis, 58% of patients remained on therapy. The 3-year PFS rate with the combination was 22% versus 12% with single-agent dabrafenib. The 3-year OS rate was 44% with dabrafenib plus trametinib compared with 32% with dabrafenib alone.

” ‘This is the longest OS follow-up among randomized phase III trials evaluating a BRAF plus MEK inhibitor in patients with BRAF-mutant metastatic melanoma,’ said lead investigator Keith T. Flaherty, MD, Massachusetts General Hospital Cancer Center and Professor of Medicine, Harvard Medical School. ‘With additional follow-up, and now 3-year maturity, dabrafenib plus trametinib continued to show significant benefit over dabrafenib monotherapy, despite crossover.’ ”

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Dabrafenib/Trametinib Combo Highly Effective in BRAF-Mutant NSCLC

Excerpt:

“The combination of dabrafenib (Tafinlar) and trametinib (Mekinist) was highly effective as a treatment for patients with BRAF V600E-mutant non–small cell lung cancer (NSCLC), according to lead investigator David Planchard MD, PhD, who presented the phase II data at the 2016 ASCO Annual Meeting.1 Findings from the study were also concurrently published in Lancet Oncology.2

“The investigator assessed objective response rate (ORR) with the combination was 63% (95% CI, 49-75), which lasted for a median duration of 9.0 months (95% CI, 6.9-18.3). When adding those with stable disease for ≥12 weeks, the overall disease control rate was 79% (95% CI, 66-89). The median progression-free survival (PFS) was 9.7 months (95% CI, 6.9-19.6).

“In addition to the combination cohort, the study also included a single-agent arm that included 78 previously treated patients with metastatic BRAF V600E–mutant NSCLC. In this cohort, the ORR with single-agent dabrafenib was 33% and the median PFS was 5.5 month. Findings from both cohorts of the study have led to breakthrough therapy designations from the FDA for dabrafenib as a single agent and in combination with trametinib.”

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Novartis Gets FDA Approval for Skin Cancer Drug Combination

“Nov 20 Novartis AG said on Friday it received the U.S. Food and Drug Administration’s regular approval for a drug combination to treat an aggressive form of skin cancer.

“The FDA approved Tafinlar and Mekinist for treatment of metastatic melanoma based on two years overall survival in patients, the company said.

“The combination was initially approved based on mid-stage data through the FDA’s accelerated approval program, but the approval was contingent on data from late-stage trial.”


Combining Two Targeted Therapies Results in Melanoma Patients Living Significantly Longer

“Latest results from a trial of a combination of two targeted therapies (dabrafenib and trametinib) to treat advanced melanoma have shown that patients are living significantly longer on the combined therapy than patients treated with another drug, vemurafenib, when used alone.

“Professor Caroline Robert, of the Institut Gustave Roussy, Paris, France, will tell the 2015 European Cancer Congress today (Monday) that not only is the median overall survival time longer for patients receiving the combination treatment, but also that 51% of patients receiving the combination treatment are alive after two years, compared to 38% of patients receiving vemurafenib alone.

“Analysis of data up to 13 March 2015 showed that the median overall survival time among patients with metastatic melanoma harbouring V600 mutations in the BRAF gene who received the combination treatment was 25.6 months. Among patients receiving vemurafenib alone, it was 18 months. On the basis of this finding, the European Commission approved the combination of dabrafenib and trametinib for use in Europe for these patients on 1 September 2015.”