Immunotherapy

Immunotherapy

The National Comprehensive Cancer Network’s first guideline for the management of side effects from immunotherapy recognizes “a new spectrum of adverse events” in patients who are receiving immune checkpoint inhibitor therapy, said John A. Thompson, MD.

Chimeric antigen receptor (CAR) T-cell therapy has had excellent results in late-stage leukemia and varying degrees of success in some other hematologic cancers, but thus far, solid tumors have not responded to this therapy.

Among the 84 patients, 7 had partial responses with the combination of atezolizumab (Tecentriq) and cobimetinib (Cotellic). The median duration of response was 14.3 months.

The combination cohort consisted of 119 patients who received nivolumab 3 mg/kg plus ipilimumab 1 mg/kg every 3 weeks for 4 doses followed by nivolu­mab 3 mg/kg every 2 weeks. The median follow-up was 13.4 months.

“We find that T-cells with highly activated glycolysis pathways ended up performing worse when we tried to make them into CAR T-Cells. Substituting and supplementing heavily with fatty acids did seem to improve this a little,” said David M. Barrett, MD, PhD, at the 2018 American Association for Cancer Research annual meeting.

The FDA granted accelerated approval to nivolumab based on a notable clinical benefit in a subset of patients who progressed after receiving the standard first-line chemotherapy with fluoropyrimidine, oxaliplatin, and irinotecan.

As the number of patients receiving immune checkpoint blockade grows, the combination of radiation and immunotherapy has become increasingly relevant, particularly in the palliative care setting, where radiation therapy is used to treat painful lesions or brain metastases.

Chicago, IL—The tumor types amenable to immunotherapy with the PD-1 inhibitor pembrolizumab (Keytruda) keep expanding and now include sarcoma, which has been difficult to treat.
The power to fight a virtually infinite array of pathogens is one of the hallmarks of the human immune system, and random diversity is its secret weapon.
Adding the investigational drug indoximod, an indoleamine 2,3-dioxygenase (IDO) pathway inhibitor, to the checkpoint inhibitor pembrolizumab led to higher response rates in patients with advanced melanoma than what is reported with pembrolizumab monotherapy,
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