Mark A. Socinski, MD:In a patient who does not have on oncogenic driver, the standard of care now is chemotherapy, and there are various options. The options vary based upon the histology of the cancer. Options are different in adenocarcinoma than they are in, say, squamous carcinoma. And then with the recent data that we’ve had over the past 3 months, are you going to integrate immunotherapy? And I think we had several trials presented recently. The 2 prominent ones are KEYNOTE-189 and IMpower150, which took the 2 FDA approved chemotherapy platforms. In KEYNOTE-189, it was carboplatin and pemetrexed. In IMpower150, it was the platform of carboplatin-paclitaxel-bevacizumab. Again, 2 FDA [US Food and Drug Administration]-approved regimens, and grafted on to them in a phase III setting, immunotherapy. In the case of KEYNOTE-189, it was pembrolizumab. In the case of IMpower150, it was atezolizumab. Both of those trials showed significant benefit in overall survival, progression-free survival, overall response rates, and durability of response. So, these are 2 positive trials saying that whatever platform you’re usingcarboplatin-pemetrexed or carboplatin-paclitaxel-bevacizumab—the incorporation of immunotherapy in those regimens actually improves outcomes.
Now this gentleman, because of the history of intermittent hemoptysis, would not have been a candidate for bevacizumab because that’s an absolute or relative contraindication to the use of that drug because of the risk of pulmonary hemorrhage. But he was a perfectly appropriate candidate for the chemotherapy platform of carboplatin/pemetrexed. He had no contraindications to immunotherapy. So, in my opinion, he received the standard of care, state of the art to treatment recommendation, combining immunotherapy with that carboplatin-based doublet.
When I initially discuss patient treatment options with a patient with stage IV disease, I say that there are really 3 buckets of options. One is targeted therapies, but in those patients with targeted therapies, you have to have a target. And we evaluate patients for the targets ofEGFRmutations,BRAFmutations,ALKandROS1translocations, and there are otherRETtranslocations,METamplification or exon 413, skip mutations,HER2alterations,NTRKalterations. There are a growing number of actionable oncogenetic drivers that we treatif you have a target, you use targeted therapy. So, that’s 1 bin.
The second bin is, which patients may you treat with immunotherapy alone? And right now, in my practice in those who had very high staining for PD-L1 [programmed-cell death ligand 1], which is greater than 50%, I will use pembrolizumab as a single agent in the vast majority of those patients. In the remaining bin, we have patients who are appropriately treated with chemotherapy, and based upon, as I previously said, KEYNOTE 189 and IMpower150, I now think that combining immunotherapy with those chemotherapy platforms is the appropriate treatment strategy at this point.
This gentleman had adenocarcinoma and so carboplatin-pemetrexed as well as carboplatin-paclitaxel-bevacizumab are 2 FDA-approved standards for the treatment of adenocarcinoma. Let’s say he had squamous carcinoma. We had another trial, KEYNOTE-407, as well as IMpower131, that showed they were both positive showing the benefit of adding immunotherapy to a platinum taxane therapy in squamous histology patients. So, both in squamous and nonsquamous we have integrated immunotherapy with our standard chemotherapy regimens based on overall survival benefit.
Transcript edited for clarity.
A 66-Year-Old Man With NSCLC
May 2018: H&P
June 2018: Pulmonology evaluation
July 2018: Oncology exam
August 2018
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