ESMO 2017 Press Release: Combination Immunotherapy in Second/third Line Extends Mesothelioma Survival to 15 Months

Excerpt:

“Combination immunotherapy as second or third line treatment extends overall survival to at least 15 months in patients with pleural malignant mesothelioma, according to late-breaking results from the MAPS2 trial presented today at the ESMO 2017 Congress in Madrid.

“Malignant pleural mesothelioma (MPM) is a rare disease usually caused by occupational exposure to asbestos. First line therapy is pemetrexed and platinum chemotherapy, with or without bevacizumab. There is no approved second line treatment and drugs that have been tested in this setting had low efficacy, with a disease control rate under 30%. Phase II studies have shown promising activity of checkpoint inhibitors as second line treatment.”

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Adding Radiation Treatments to Inoperable Lung Cancer Increases Survival by up to One Year

Excerpt:

“Patients with unresectable, or inoperable, lung cancer are often given a dismal prognosis, with low rates of survival beyond a few years. Researchers exploring combination therapies have recently discovered improved survival rates by up to one year when patients treated with a newly formulated chemotherapy regimen are also given radiation therapy.

“A group of patients with metastatic non-small-cell lung cancer (mNSCLC) who had already been enrolled in a clinical trial were given radiation therapy, in addition to their treatment with a novel chemotherapy formulation, mPEBev, which was designed for its immune-modulating and anti-angiogenic effects. The mPEBev regimen is composed of fractionated cisplatin, oral etoposide, and bevacizumab, a monoclonal antibody that inhibits blood vessel growth in the tumor. Treatments were administered metronomically, spaced out in the safest possible doses to reduce side-effects and toxicity.”

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Brain Cancer Like McCain’s Has Hundreds Of Experimental Therapies (With Little Success)

Excerpt:

“The type of brain cancer John McCain was diagnosed with July 14, glioblastoma, is among the most difficult cancers to beat. The reasons it’s so hard to treat, as I discussed previously, include its location, its genetic diversity within and across patients, and its aggressiveness. Glioblastoma (GBM) is also among the most devastating cancers in its effects since it attacks the brain, the control center for the body’s functions and the essence of an individual’s personality. Even people who survive rarely remain the same person after their treatment.”

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Opdivo Fails to Demonstrate Survival Benefit in Phase 3 Brain Cancer Trial

Excerpt:

“Patients with glioblastoma multiforme, a type of brain cancer, who recurred following radiation therapy and Temodal (temozolomide), did not survive longer when treated with the PD-1 inhibitor Opdivo (nivolumab) compared to standard-of-care treatment with Avastin (bevacizumab).

The findings mean that the randomized CheckMate -143 Phase 3 trial (NCT02017717) has failed to meet its primary objective.

” ‘[Glioblastoma multiforme] is a historically difficult disease to treat and conventional treatment options have demonstrated limited responses,’ Fouad Namouni, MD, head of Oncology Development and head of Medical at Bristol-Myers Squibb, said in a news release. ‘We remain steadfast in our pursuit of treatments for diseases with the highest unmet need and continue our work to determine how our immuno-oncology agents can potentially improve outcomes for these patients.’ ”

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Bristol-Myers Squibb Announces Results from CheckMate -143, a Phase 3 Study of Opdivo (nivolumab) in Patients with Glioblastoma Multiforme

Excerpt:

Bristol-Myers Squibb Company (NYSE:BMY) today announced that CheckMate -143, a randomized Phase 3 clinical trial evaluating the efficacy and safety of Opdivo in patients with first recurrence of glioblastoma multiforme (GBM), did not meet its primary endpoint of improved overall survival over bevacizumab monotherapy. These data will be presented on May 7, 2017 at the World Federation of Neuro-Oncology Societies (WFNOS) meeting in Zurich, Switzerland.

” ‘GBM is a historically difficult disease to treat and conventional treatment options have demonstrated limited responses,’ said Fouad Namouni, M.D., head of Oncology Development and head of Medical, Bristol-Myers Squibb. ‘We remain steadfast in our pursuit of treatments for diseases with the highest unmet need and continue our work to determine how our Immuno-Oncology agents can potentially improve outcomes for these patients.’ ”

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Clinical Trials Test Treatments for High-Grade Brain Tumors


With a few exceptions, glioblastoma (GBM) remains largely incurable, and the U.S. Food and Drug Administration (FDA) has approved few treatments for the disease. Surgery (when feasible), radiation, and temozolomide are used in most patients. But even if a newly diagnosed tumor can be surgically excised, recurrences are too common.

In this blog post, I simply list some of the new treatments available in clinical trials for GBM and other high-grade brain tumors. Only drugs that have at least some preliminary results of activity are included, and the list is not meant to be fully comprehensive. The interested reader can judge for herself what might be of interest, keeping in mind that no single treatment is suitable or will work for all GBM patients. Continue reading…


Some Glioblastoma Patients Benefit from ‘Ineffective’ Treatment

Excerpt:

“A subgroup of patients with a devastating brain tumor called glioblastoma multiforme benefited from treatment with a class of chemotherapy drugs that two previous large clinical trials indicated was ineffective against the disease, according to a study at the Stanford University School of Medicine.

“Specifically, patients in the subgroup who were treated with chemotherapy drugs that block the growth of new blood vessels in the tumor lived an average of about one year longer than those who were given other classes of chemotherapy drugs, the researchers found.”

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Addition of Bevacizumab Shows No Survival Advantage Over Cisplatin Pemetrexed Alone in Non-Squamous NSCLC

Excerpt:

“Preliminary data from the SAKK19/09 trial shows no overall survival difference between two cohorts of patients with non-squamous non-small cell lung cancer (NSCLC) receiving similar cisplatin pemetrexed-based regimens.

“The SAKK19/09 trial examined a total of 77 patients with EGFR wild type non-squamous NSCLC. Both cohorts received cisplatin pemetrexed in the frontline, while one cohort had the addition of bevacizumab. In an interview with Targeted Oncology, Oliver Gautschi, MD, Assistant Professor, University of Bern, President, SAKK Lung Cancer Group, discusses the lack of differences in overall survival, where the field is going as a whole, and why combination maintenance therapy is not better than a single agent.”

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Bevacizumab/Erlotinib Combo Approved in Europe for NSCLC

Excerpt:

“The European Commission approved bevacizumab (Avastin) in combination with erlotinib (Tarceva) as a frontline treatment for patients with unresectable advanced, metastatic, or recurrent EGFR-mutant non–small cell lung cancer (NSCLC).

“The approval was based on findings from the phase II JO25567 study, which showed a 46% reduction in the risk of progression or death with the combination versus single-agent erlotinib. The median progression-free survival (PFS) with the addition of bevacizumab was 16 versus 9.7 months with erlotinib alone (HR, 0.54; 95% CI, 0.36-0.79; P = .0015).

“ ‘The combination of Avastin and Tarceva represents a new standard of care for patients with this type of lung cancer,’ Sandra Horning, MD, chief medical officer and Global Head of Product Development at Roche, the company developing the combination, said in a statement. ‘This approval provides physicians in Europe with a powerful combination therapy that can significantly extend progression-free survival beyond 1 year, representing important progress for a group of patients who typically face a poor prognosis.’ ”

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