This clinical trial is focused on studying the effects of combining an H1-antihistamine treatment with immunotherapy in patients with advanced non-small cell lung cancer (NSCLC). The treatment being tested is a medication called fexofenadine hydrochloride, which is commonly known as Allegra. This medication is typically used to treat allergy symptoms, but in this study, it is being explored for its potential benefits in cancer treatment. The study will also involve the use of a medication called pembrolizumab, which is an immunotherapy drug that helps the immune system fight cancer cells.
The purpose of the study is to evaluate how well this combination of treatments works in improving the response to cancer therapy. Participants will receive the treatments over a period of time, and their health will be monitored to see how the cancer responds. The study will look at various outcomes, including how long patients live without the cancer getting worse and their overall survival. Additionally, the study will assess the safety and side effects of fexofenadine when used in this new way, as well as its impact on patients’ quality of life, particularly their sleep patterns.
Throughout the study, participants will undergo regular check-ups and assessments to track their progress. The study aims to provide valuable insights into whether adding fexofenadine to standard cancer treatment can enhance the effectiveness of immunotherapy in treating advanced non-small cell lung cancer. The trial is expected to continue until August 2026, with recruitment starting in October 2024.



Austria