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Dramatic Response of Leptomeningeal Carcinomatosis to Nivolumab in PD-L1 Highly Expressive Non-small Cell Lung Cancer: A Case Report. | LitMetric

AI Article Synopsis

  • * In August 2015, the development of leptomeningeal carcinomatosis led to severe health decline, prompting the initiation of an anti-PD1 immune checkpoint inhibitor, which resulted in a complete response in both the brain and lungs without serious side effects.
  • * After 28 months of treatment with nivolumab, the patient's cancer showed no evidence of disease, and over three years later, they continue to have an excellent performance status and maintained complete tumor response on follow-up imaging.

Article Abstract

In a patient who had been diagnosed of located squamous cell lung carcinoma, pneumonectomy, and adjuvant chemotherapy were performed. Brain recurrence and subsequent lung metastatic disease were uncontrolled by neurosurgery, holocranial radiotherapy, and first-line chemotherapy. In August 2015, appearance of leptomeningeal carcinomatosis triggered severe clinical deterioration and threatened the patient's life. Anti-PD1 immune checkpoint inhibitor was initiated in an attempt to stop tumor growth, achieving a spectacular brain and pulmonary complete response and clinical improvement, without serious adverse effects. High expression PD-L1 level (100%) was found in the pathological tissue sample. Nivolumab was maintained for more than 2 years and stopped in December 2017 after 28 months of treatment, with no disease evidence. More than 3 years after its onset, the patient maintains an outstanding PS with complete tumor response and no evidence of disease in last surveillance CT scan and brain MRI.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6743439PMC
http://dx.doi.org/10.3389/fonc.2019.00819DOI Listing

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