Immunotherapy

Immunotherapy
The combination of immunotherapy with nivolumab (Opdivo) and ipilimumab (Yervoy) may soon represent a new first-line treatment option in patients with early-stage metastatic colorectal cancer (CRC) associated with microsatellite instability-high (MSI-H) or mismatch repair-deficient (dMMR) tumors. Two studies presented at the ESMO 2018 Congress demonstrated the efficacy of this combination in this patient population.
Learning how to activate and harness the immune system—the body’s built-in defense against disease—has brought the field of oncology to the cusp of a cure for at least some, if not many, types of cancer, according to an international authority in immuno-oncology.
“This study is a fantastic advance for patients with brain metastases. It shows that combination immunotherapy can shrink brain metastases in a substantial proportion of patients,” said Michael A. Postow, MD.
“The overall survival findings are far superior to what we might anticipate with traditional therapies in this relapsed or refractory DLBCL population,” said Jeremy S. Abramson, MD, MMSc.
At ASCO 2018, 3 new studies that explore chemotherapy plus immunotherapy got high remarks from Sibylle Loibl, MD, PhD, including a regimen that may be a new standard of care.

The second-generation chimeric antigen receptor (CAR) T-cell therapy, bb2121, engineered to target B-cell maturation antigen, a protein on the surface of certain myeloma cells, displayed continuing efficacy and safety in an update of a phase 1 clinical trial in patients with relapsed or refractory multiple myeloma.

The NCCN’s first guideline for side effects from immunotherapy recognizes a new spectrum of events in patients who are receiving immune checkpoint inhibitor therapy.

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.

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