ArticleCancer medicine2026
Impact of Dietary Fiber Intake on the Immunological Response to Immunotherapy in Cancer Patients: A Scoping Review.
Article in Cancer medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
Abstract
introductionImmunotherapy has emerged as a major therapeutic strategy for cancer, and accumulating evidence indicates that the gut microbiota influences its effectiveness, highlighting the potential role of dietary fiber.
objectiveTo evaluate the scientific evidence regarding the relationship between dietary fiber intake, immune modulation, and the response to immunotherapy in patients with cancer. METHODOLOGY: An integrative review was conducted using the MEDLINE, BVS, and EMBASE databases with the descriptors "Neoplasms," "Dietary Fiber," and "Immunomodulation." Original studies involving patients with cancer undergoing immunotherapy that evaluated dietary fiber intake through habitual diet, dietary intervention, or supplementation, as well as its association with immune response, gut microbiota, or clinical outcomes were included.
resultsA total of 325 records were identified, of which three studies met the inclusion criteria. DISCUSSION: Higher dietary fiber intake was associated with improved therapeutic responses and favorable changes in the gut microbiota. The included studies involved patients with melanoma receiving immune checkpoint inhibitors, predominantly anti-PD-1 therapy.
conclusionDietary fiber plays a relevant role in gut microbiota modulation and may enhance the effectiveness of immunotherapy.
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