The Next Few Years Will Bring Stunning Progress for TNBC, Expert Says

Excerpt:

“The treatment landscape for triple-negative breast cancer (TNBC) is transforming, experts say, with the potential additions of immunotherapy and PARP inhibitors. These agents are being explored both as monotherapy and in combination regimens with standard chemotherapy options.

“At the 2016 San Antonio Breast Cancer Symposium, treatment with pembrolizumab (Keytruda) continued to show a consistent durable benefit with an additional year of follow-up for heavily pretreated patients with recurrent PD-L1–positive TNBC, according to findings from the phase Ib KEYNOTE-012 trial.”

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Scientists Discover Why Some Cancers May Not Respond to Immunotherapy

Excerpt:

UCLA scientists have discovered that people with cancers containing genetic mutations JAK1 or JAK2, which are known to prevent tumors from recognizing or receiving signals from T cells to stop growing, will have little or no benefit from the immunotherapy drug pembrolizumab. This early-stage research has allowed them to determine for the first time why some people with advanced melanoma or advanced colon cancer will not respond to pembrolizumab, an anti-PD-1 treatment.

“The study, led by Dr. Antoni Ribas, director of the UCLA Jonsson Comprehensive Cancer Center Tumor Immunology Program, also found that JAK1 or JAK2 genetic mutations led to a loss of reactive PD-L1 expression.  PD-L1 is an immune biomarker expressed on tumor cells and pembrolizumab requires an abundance of it to effectively attack cancer cells.”

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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…


ECCO2017 NEWS: The Immunotherapy, Pembrolizumab, Is Active Against Mucosal Melanoma Tumours and Prolongs Survival for Patients with Bladder Cancer

Excerpt:

“Clinical trials of a new immunotherapy, pembrolizumab, have shown that it prolongs life significantly for patients with bladder cancer and is active against a rare sub-type of melanoma, called mucosal melanoma. The findings were presented in two presentations at the European Cancer Congress 2017 today.”

“Until now, mucosal melanoma has often been excluded from immunotherapy treatments for the disease. Melanoma usually occurs in the skin and is caused by exposure to ultraviolet radiation (such as sunlight). Mucosal melanoma occurs in the moist surfaces that line the body’s cavities, such as the airways, digestive tract and genitourinary tracts, and is not caused by UV radiation; there is no known cause. It makes up about one per cent of all melanomas and has a poor prognosis, usually because of late diagnosis – the majority of patients with metastatic disease (cancer that has spread to other parts of the body) survive for less than a year if they have received conventional treatments.”

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Avelumab Shows Promise as Frontline Immunotherapy Alternative in NSCLC

Excerpt:

“Immunotherapy is quickly becoming a mainstay in the frontline setting for the treatment of patients with metastatic non–small cell lung cancer (NSCLC).

“In October 2016, the FDA approved the PD-1 inhibitor pembrolizumab (Keytruda) as a first-line treatment for patients with metastatic NSCLC whose tumors have at least 50% PD-L1 expression and who do not harbor EGFR or ALK mutations.”

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FDA Grants Priority Review to Keytruda in Combination with Chemotherapy for Advanced NSCLC

Excerpt:

“The FDA granted priority review to a supplemental biologics license application for pembrolizumab in combination with chemotherapy for first-line treatment of patients with metastatic, nonsquamous non–small cell lung cancer, according to the drug’s manufacturer.

“The application seeks approval of pembrolizumab (Keytruda, Merck), an anti–PD-1 therapy, in combination with pemetrexed and carboplatin regardless of patients’ PD-L1 expression, provided they have no EGFR or ALK mutations.

“The FDA is expected to make a decision by May 10.”

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Incyte and Merck to Advance Clinical Development Program Investigating the Combination of Epacadostat with KEYTRUDA® (pembrolizumab)

Excerpt:

“Incyte Corporation (Nasdaq:INCY) and Merck (NYSE:MRK), known as MSD outside the United States and Canada, today announced the decision to advance the clinical development program investigating the combination of epacadostat, Incyte’s investigational oral selective IDO1 inhibitor, with KEYTRUDA® (pembrolizumab), Merck’s anti-PD-1 therapy.

“With the expansion of the clinical development program, the companies plan to initiate pivotal studies of epacadostat in combination with KEYTRUDA in four additional tumors:  non-small cell lung cancer, renal cell carcinoma, bladder cancer and squamous cell carcinoma of the head and neck. Presentations of data from the ongoing studies of epacadostat in combination with KEYTRUDA, which support this decision, are expected at upcoming medical meetings.”

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Advanced Lung Cancer Knocked Out in Clinical Trial

Excerpt:

“A leading-edge immunotherapy clinical trial at UConn Health’s Carole and Ray Neag Comprehensive Cancer Center has packed a one-two punch, successfully controlling a patient’s advanced lung cancer using the combined power of two immunotherapy drugs.

“For 50 years Michel Gueret, 67, of Canton was a heavy smoker. That is until May 2012, when he received the devastating news that he had advanced lung cancer while hospitalized for a collapsed lung at UConn John Dempsey Hospital.”

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Interim Results from Phase 1b/2 Study Evaluating the Combination of Merck’s KEYTRUDA® (pembrolizumab) and Eisai’s HALAVEN® (eribulin mesylate) Injection in Metastatic Triple-Negative Breast Cancer

Excerpt:

“Merck (NYSE: MRK), known as MSD outside the United States and Canada, and Eisai Inc. today announced new interim data investigating Merck’s anti-PD-1 therapy, KEYTRUDA® (pembrolizumab), in combination with Eisai’s microtubule dynamics inhibitor, HALAVEN® (eribulin) in patients with metastatic triple-negative breast cancer (TNBC). Findings presented during the 2016 San Antonio Breast Cancer Symposium (SABCS) were based on interim data from 39 evaluable patients and showed an overall response rate (ORR) of 33.3% (n=13/39; 95% CI, 19.5-48.1), with one complete response and 12 partial responses (Abstract #: P5-15-02). ORR was similar between PD-L1-positive and -negative cohorts [PD-L1 positive=29.4% (n=5/17; 95% CI, 11.1-51.1); PD-L1 negative=33.3% (n=6/18; 95% CI, 14.1-54.6)]. HALAVEN and KEYTRUDA are not approved for use in combination.”

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