Nivolumab Plus Low-Dose Ipilimumab Shows Durable Responses for PD-L1-Negative, TMB-High NSCLC

Excerpt:

“The combination of nivolumab (Opdivo) and low-dose ipilimumab (Yervoy) reduced the risk of progression or death by 52% compared with standard platinum doublet chemotherapy for patients with metastatic PD-L1–negative, tumor mutation burden (TMB)-high non–small cell lung cancer (NSCLC), according to findings from the phase III CheckMate 227 trial presented at the 2018 ASCO Annual Meeting.

“In the PD-L1–negative (<1% expression), TMB-high (≥10 mutations/megabase) subgroup, regardless of histology, median progression-free survival (PFS) with nivolumab/ipilimumab was 7.7 months compared with 5.3 months for chemotherapy and 6.2 months for nivolumab and chemotherapy. The 1-year PFS rate was 45% with nivolumab/ipilimumab compared with 27% for nivolumab/chemotherapy and just 8% for chemotherapy.”

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Nivolumab Shows Durable Benefit for Advanced Melanoma

Excerpt:

“Patients with surgically resected stage III or stage IV melanoma at high risk for recurrence maintained longer RFS after adjuvant treatment with nivolumab then standard ipilimumab, according to long-term efficacy results from the CheckMate 238 clinical trial presented at ASCO Annual Meeting.

“‘These more mature data continue to demonstrate durable clinical benefit with nivolumab and further support its use for resected stage III or IV melanoma,’ Jeffrey S. Weber, MD, PhD, deputy director of Perlmutter Cancer Center at NYU Langone Health, said during his presentation.”

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Practice-Changing Developments in Treatment of Metastatic NSCLC


Immune checkpoint inhibitor drugs that target the proteins PD-1 and PD-L1 are by now well established in the treatment of non-small cell lung cancer (NSCLC). In 2015, the U.S. Food and Drug Administration (FDA) approved nivolumab (Opdivo), an anti-PD-1 drug, for treatment of patients with metastatic NSCLC who progressed or relapsed after platinum-based chemotherapy. Atezolizumab (Tecentriq), an anti-PD-L1 drug, was approved in 2016 for treatment of NSCLC patients in the same situation. In October 2016, the FDA approved Pembrolizumab (Keytruda), a competing anti-PD-1 antibody, as first-line treatment in metastatic NSCLC patients whose tumors have high expression levels of the PD-L1 protein.

With these approvals, the stage was set to move these drugs into combination treatments that may increase their efficacy. Not surprisingly, combinations with chemotherapy have now been explored, among other possibilities. Continue reading…


Opdivo Plus Low-Dose Yervoy Combination Reduces the Risk of Progression or Death by 42% Versus Chemotherapy in First-Line Lung Cancer Patients with High Tumor Mutational Burden (TMB)

Excerpt:

Bristol-Myers Squibb Company (NYSE: BMY) today announced initial results from the pivotal Phase 3 study, CheckMate -227, evaluating the Opdivo (nivolumab) 3 mg/kg plus low-dose Yervoy (ipilimumab, 1 mg/kg) combination in first-line advanced non-small cell lung cancer (NSCLC) patients with high tumor mutational burden (TMB) ≥10 mutations/megabase (mut/Mb). In the study, the combination demonstrated a superior benefit for the co-primary endpoint of progression-free survival (PFS) versus chemotherapy (HR 0.58; 97.5% CI: 0.41 to 0.81; p=0.0002). The PFS benefit was observed regardless of PD-L1 expression levels and in both squamous and non-squamous tumor histology. Additionally, based on an early descriptive analysis, encouraging overall survival was observed with the combination versus chemotherapy in patients with high TMB ≥10 mut/Mb (HR 0.79; 95% CI: 0.56 to 1.10).”

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Neoadjuvant Nivolumab was Safe, Yielded Pathologic Responses in Patients With Resectable Lung Cancer

Excerpt:

“The anti-PD1 immunotherapy nivolumab (Opdivo) given prior to surgical resection of stage 1-3 non-small cell lung cancer (NSCLC) was safe and resulted in major pathological responses in 45 percent of the patients, according to data from a clinical trial presented at the AACR Annual Meeting 2018, April 14-18.

“A major pathologic response is defined as 10 percent or fewer viable cancer cells detectable in the resected tumor following neoadjuvant treatment.”

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FDA Grants Opdivo Priority Review for Small Cell Lung Cancer

Excerpt:

“The FDA has granted a priority review to a supplemental biologics license application (sBLA) for Opdivo (nivolumab) for the treatment of patients with small cell lung cancer (SCLC) with disease progression following two or more lines of therapy, according to Bristol-Myers Squibb, the manufacturer of the PD-1 inhibitor.

“The sBLA is based on data from the phase 1/2 CheckMate-032 trial, in which single-agent Opdivo led to a median overall survival (OS) of 4.4 months and a one-year OS rate of 33 percent in patients with progressive SCLC following one or more prior lines of therapy. Under the priority review, the FDA is scheduled to make its decision by Aug. 16, 2018.”

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Predicting If an Immune Checkpoint Drug Will Work


Drugs that activate the immune system to attack cancer in a process known as immune checkpoint blockade (ICB) are a focus of intense investigation. A number of them are already approved by the U.S. Food and Drug Administration (FDA) for various cancers; namely, the anti-CTLA4 antibody ipilimumab (Yervoy), two anti-PD-1 antibodies: pembrolizumab (Keytruda) and nivolumab (Opdivo), and three anti-PD-L1 drugs: atezolizumab (Tecentriq), avelumab (Bavencio) and durvalumab (Imfinzi). These ICB drugs have the potential to induce durable cancer regressions, but the majority of cancer patients just do not respond to them at all.

Biomarkers, signature molecules in the blood or other tissue, can sometimes be used to predict a patient’s response to a given treatment. But no reliable biomarkers exist for ICB, and this is a serious concern. Patients who may really benefit from ICB could be overlooked, and patients who are not likely to respond may receive useless (and very expensive) ICB treatment.

Most potential response predictors that have already been identified are not yet useful for one or all of the following reasons: they are not extensively validated, their significance is still uncertain and may differ from one cancer (or even one patient) to another, or they are technically challenging for routine use. These markers are addressed below. Continue reading…


Nivolumab/Ipilimumab Doubles Intracranial Response in Melanoma Brain Mets

Excerpt:

“The combination of nivolumab (Opdivo) and ipilimumab (Yervoy) induced an intracranial response of 46% in melanoma patients with asymptomatic, untreated brain metastases. The intracranial response rate (ICR) with nivolumab monotherapy was 20%.

“Investigators observed a response in 16 of 35 evaluable patients treated with 1 mg/kg of nivolumab combined with 3 mg/kg of ipilimumab every 3 weeks for 4 doses, then 3 mg/kg of nivolumab every 2 weeks (cohort A). In contrast, only 5 of 25 evaluable patients randomly assigned to 3 mg/kg of intravenous nivolumab every 2 weeks (cohort B) showed a response.”

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New Immunotherapy for Lung Cancer Shows Promise of Success

Excerpt:

“In a groundbreaking development, results from a recent clinical trial to treat lung cancer show that a novel immunotherapy combination is surprisingly effective at controlling the disease’s progression. The study, published April 4 in the journal The Lancet Oncology, focused on non-small cell lung cancer, which is the most common form of lung cancer.”

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