Observational Study of Gut Microbiota in Abemaciclib-Treated Patients With and Without Diarrhea

Why is this study being done? Many patients with a type of breast cancer (called HR-positive) take a medicine called Abemaciclib. While this medicine is effective, a very common side effect is diarrhea, which can be severe enough to disrupt treatment and reduce quality of life. The reason why some patients get diarrhea and others do not is not well understood. This study aims to investigate whether the natural bacteria living in the gut (known as the gut microbiome) play a role in this side effect. Researchers will compare the gut bacteria of patients who develop diarrhea with those who do not. What will happen in the study? This is an observational study, which means that patients will receive their normal cancer treatment and will not be given any new or experimental drugs as part of this initial phase. * Patients who are already being treated with Abemaciclib will be invited to join. * They will be placed into one of two groups: those who experience diarrhea and those who do not. * Participants will be asked to provide stool (feces) samples and may also provide optional blood samples at specific times during their treatment. * Researchers will analyze these samples in the lab to study the types and functions of the gut bacteria. Who can participate? * Adult women (aged 18-75) diagnosed with HR-positive breast cancer. * Currently receiving treatment with Abemaciclib for at least 2 weeks. * Must be willing to provide informed consent and follow the study procedures. Wha…

This description comes directly from the study's public registry record.

Xinhong Wu Principal Investigator  ·  18602726300  ·  wuxinhong_9@sina.com

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