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The promises and perils of circulating tumor DNA for monitoring immunotherapy response in non-small cell lung cancer.
Explor Target Antitumor Ther
November 2024
Division of Pulmonary, Critical Care, and Sleep Disorders Medicine, Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA.
There has been a rapid expansion of immunotherapy options for non-small cell lung cancer (NSCLC) over the past two decades, particularly with the advent of immune checkpoint inhibitors. Despite the emerging role of immunotherapy in adjuvant and neoadjuvant settings though, relatively few patients will respond to immunotherapy which can be problematic due to expense and toxicity; thus, the development of biomarkers capable of predicting immunotherapeutic response is imperative. Due to the promise of a noninvasive, personalized approach capable of providing comprehensive, real-time monitoring of tumor heterogeneity and evolution, there has been wide interest in the concept of using circulating tumor DNA (ctDNA) to predict treatment response.
View Article and Find Full Text PDFIntrathecal pemetrexed improves survival outcomes in previously treated EGFR-mutant advanced non-small-cell lung cancer with leptomeningeal metastases.
Heliyon
December 2024
Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China.
Objective: This study assessed the impact of intrathecal pemetrexed (IP) in managing leptomeningeal metastases (LM) in previously treated patients with -mutant advanced non-small cell lung cancer (NSCLC).
Methods: We analyzed the clinical and survival outcomes of 50 patients with LM who received 50 mg IP after disease progression with epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) treatment between September 2021 and September 2023 at the Hunan Cancer Hospital. Treatment response was evaluated based on improvement in neurological symptoms/signs and Karnofsky Performance Status (KPS) scores.
Monitoring of Circulating Tumor DNA and Indication of De-Escalation Adjuvant Targeted Therapy for -Mutated NSCLC After Complete Resection.
JTO Clin Res Rep
January 2025
Guangdong Lung Cancer Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, People's Republic of China.
Introduction: EGFR tyrosine kinase inhibitor (TKI) is the standard adjuvant treatment for patients with stages IB to IIIA -mutated NSCLC. Nevertheless, adapting this approach to include a molecular residual disease (MRD)-guided de-escalation strategy warrants further investigation.
Methods: From January 2019 to December 2022, 71 patients with stages I to III NSCLC and (exon 19 deletion or L858R) mutations were enrolled in this observational study.
Background: Belzutifan, a first-in-class HIF-2α inhibitor, has shown antitumour activity as monotherapy and in combination with cabozantinib in patients with previously treated advanced kidney cancer. The phase 2 LITESPARK-003 study was designed to determine the antitumour activity and safety of belzutifan in combination with cabozantinib in patients with advanced clear-cell renal cell carcinoma that was previously untreated (cohort 1) or previously treated with immunotherapy (cohort 2). Here, we report results from cohort 1 of this clinical trial.
View Article and Find Full Text PDFHuman Epidermal Growth Factor Receptor 2 Positive Advanced Gastric or Esophagogastric Adenocarcinoma: Reflecting on the Past to Gain a New Insights.
Curr Oncol Rep
January 2025
Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa City, Chiba, Japan.
Purpose Of Review: Human epidermal growth factor receptor 2 (HER2) is a critical target in advanced gastric cancer (AGC). This review highlights the current treatment landscape, lessons learned from past clinical trials, and prospects for future treatment strategies for HER2-positive AGC.
Recent Findings: Trastuzumab had been the standard treatment for HER2-positive AGC for a decade, and subsequently, trastuzumab deruxtecan, an antibody-drug conjugate (ADC), emerged with an impressive response.
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