Immunotherapy Drug Gives Non-Small-Cell Lung Cancer Patients Extra Four Months of Life

Excerpt:

“Patients with advanced non-small-cell lung cancer survive four months longer with fewer side effects on an immunotherapy drug called atezolizumab compared to chemotherapy, according to a phase 3 clinical trial published in The Lancet.

“The trial enrolled 1225 advanced non-small-cell lung cancer patients who have no more treatment options, but this study used an early analysis of the first 850 patients from the trial. Half of the group were given atezolizumab and the other half were given docetaxel chemotherapy, which is the standard treatment for advanced non-small-cell lung cancer.

“Patients given atezolizumab – a drug that blocks the programmed death ligand 1 (PD-L1) protein – survived for an average of 13.8 months, compared with 9.6 months for those on chemotherapy.”

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G1 Therapeutics to Evaluate Trilaciclib (G1T28) in Combination with Immune Checkpoint Inhibitor in Small-Cell Lung Cancer

Excerpt:

“G1 Therapeutics, Inc., a clinical-stage oncology company, announced today a clinical trial collaboration with Genentech, a member of the Roche Group. A Phase 2 clinical trial is expected to begin in the first half of 2017 and will evaluate the combination of Genentech’s immune checkpoint, anti-PD-L1 antibody Tecentriq® (atezolizumab) with G1’s CDK4/6 inhibitor trilaciclib (G1T28) as a first-line treatment for patients with small-cell lung cancer (SCLC) receiving chemotherapy.”

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Immunotherapy, MEK Inhibitor Combo Effective for BRAF Wild-Type Melanoma

Excerpt:

“The combination of atezolizumab (Tecentriq) and cobimetinib (Cotellic) may lead to a higher overall response (ORR) and a longer progression-free survival (PFS) than either agent alone in patients with metastatic melanoma, according to findings presented at the 2016 Society for Melanoma Research (SMR) Annual Meeting.

“The findings were part of a phase Ib dose-escalation and dose-expansion study, which looked at the PD-L1 inhibitor and MEK inhibitor together in advanced solid tumors. Data on a cohort of 22 patients with ocular melanoma (n = 2) and non-ocular melanoma (n = 20) was presented at the meeting. Among patients in the non-ocular cohort, the ORR was 45% and the disease-control rate (complete response, partial response, and stable disease) was 75%. Median PFS was 12 months (95% CI, 2.8-16.7).”

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Atezolizumab Combos Highly Effective for Advanced Melanoma

Excerpt:

“The addition of the PD-L1 inhibitor atezolizumab (Tecentriq) to the MEK inhibitor cobimetinib (Cotellic) and the BRAF inhibitor vemurafenib (Zelboraf) induced a high response rate for patients with BRAF-mutant unresectable melanoma, according to findings from a phase Ib study presented at the 2016 Society for Melanoma Research Annual Meeting.

“At the data cutoff of June 15, 2016, 30 patients had received ≥1 dose of atezolizumab. The response rate with the triplet was 83%, which included 3 complete responses (10%) and 21 partial responses. Overall, 29 of the 30 patients were evaluable for response, with just 1 patient experiencing primary progressive disease. At the time of the analysis, median duration of response and progression-free survival were not yet reached.”

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FDA Approves Atezolizumab for Lung Cancer

Excerpt:

“The FDA has approved atezolizumab (Tecentriq) for the treatment of patients with metastatic non–small cell lung cancer (NSCLC) who have progressed after a platinum-containing regimen and an FDA-approved targeted therapy for those patients harboring EGFR or ALK abnormalities.

“The approval is based on multiple clinical trials, the largest being the phase III OAK trial, which was presented at the 2016 ESMO Congress. In the study, atezolizumab reduced the risk of death by 26% compared with docetaxel in patients with advanced NSCLC following the failure of platinum-based chemotherapy. The median overall survival (OS) was improved by 4.2 months with the PD-L1 inhibitor versus chemotherapy. The survival benefit with atezolizumab was observed regardless of PD-L1 status or histology.”

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Atezolizumab: First PD-L1 Inhibitor for Second-Line NSCLC

Excerpt:

“A slightly different immunotherapy has shown benefit in the second-line treatment of non–small cell lung cancer (NSCLC).

“New data are the first to show that the programmed cell death ligand 1 (PD-L1) atezolizumab (Tecentriq, Genentech/Roche) outperforms chemotherapy in this setting. Hence, it looks set to soon join the two PD inhibitors nivolumab (Opdivo, Bristol-Myers Squibb) and pembrolizumab (Keytruda, Merck & Co) that are already approved for second-line use in NSCLC.”

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Significant Survival Gains with Atezolizumab vs Docetaxel for Non-Small-Cell Lung Cancer

Excerpt:

“The first phase III study of PD-L1 inhibitor atezolizumab in previously-treated non-small-cell lung cancer has seen significant improvements in survival compared to standard chemotherapy, researchers reported at the ESMO 2016 Congress in Copenhagen.

“PD-L1 inhibitors are of a class of cancer immunotherapies called checkpoint inhibitors, and work by inhibiting one of the mechanisms of resistance developed by cancer cells in order to evade the immune system.”

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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…


New Research on Triple Negative Breast Cancer Emerges at ASCO 2016


The American Society of Clinical Oncology (ASCO) meeting of 2016 is behind us, but oncologists, patients, and journalists are still analyzing the most interesting presentations made there. Below, we describe some of the more prominent results in triple negative breast cancer (TNBC), both promising and disappointing.

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