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Published on: August 30, 2016
Modulating the gut microbiome in non-small cell lung cancer: Challenges and opportunities
Jii Bum Lee1, Yiqing Huang2, Yuko Oya3
1Division of Medical Oncology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea.
Abstract:
Despite the efficacy of immunotherapy in non-small cell lung cancer (NSCLC), the majority of the patients experience relapse with limited subsequent treatment options. Preclinical studies of various epithelial tumors, such as melanoma and NSCLC, have shown that harnessing the gut microbiome resulted in improvement of therapeutic responses to immunotherapy. Is this review, we summarize the role of microbiome, including lung and gut microbiome in the context of NSCLC, provide overview of the mechanisms of microbiome in efficacy and toxicity of chemotherapies and immunotherapies, and address current ongoing clinical trials for NSCLC including fecal microbiota transplantation (FMT) and live biotherapeutic products (LBPs).
Insights
The gut microbiome influences immunotherapy effectiveness in non-small cell lung cancer (NSCLC). Harnessing the microbiome, through fecal microbiota transplantation (FMT) or live biotherapeutic products (LBPs), may improve treatment outcomes for NSCLC patients.
Area of Science:
- Oncology
- Microbiome Research
- Immunotherapy
Background:
- Immunotherapy is effective for non-small cell lung cancer (NSCLC), but many patients relapse with few options.
- Emerging research suggests the gut microbiome can enhance immunotherapy responses in epithelial tumors.
- Understanding the lung and gut microbiome's role in NSCLC is crucial for improving patient outcomes.
Purpose of the Study:
- To review the role of the lung and gut microbiome in NSCLC.
- To summarize mechanisms by which the microbiome affects chemotherapy and immunotherapy efficacy and toxicity.
- To discuss ongoing clinical trials investigating microbiome-based therapies like fecal microbiota transplantation (FMT) and live biotherapeutic products (LBPs) for NSCLC.
Main Methods:
- Literature review of preclinical and clinical studies on the microbiome in NSCLC.
- Analysis of proposed mechanisms linking microbiome composition to treatment response and toxicity.
- Overview of current clinical trials involving microbiome modulation for NSCLC.
Main Results:
- Preclinical data indicate microbiome modulation can improve immunotherapy efficacy.
- The microbiome influences both the effectiveness and side effects of cancer treatments.
- Clinical trials are actively exploring FMT and LBPs as novel NSCLC therapeutic strategies.
Conclusions:
- The microbiome represents a promising target for enhancing NSCLC immunotherapy.
- Further research into microbiome-gut-lung axis interactions is needed.
- Fecal microbiota transplantation (FMT) and live biotherapeutic products (LBPs) show potential for improving NSCLC treatment.
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