Nutraceuticals in Uro-Oncology: A Structured Expert Review and Precision-Oriented Framework
Abstract
Urologic malignancies (UMs), including prostate cancer (PCa), bladder cancer (BCa), renal cell carcinoma (RCC), and testicular germ cell tumors (TGCT), are governed by interconnected molecular pathways that regulate proliferation, angiogenesis, metabolism, invasion, immune escape, and treatment resistance. Key pathways include PI3K/AKT/mTOR, VEGF/VEGFR, EGFR, FGFR, c-MET, androgen receptor signaling, DNA damage response, inflammatory transcriptional programs, and regulation of the tumor microenvironment. This structured expert review evaluates mechanistic, translational, epidemiological, and clinical evidence on food- and botanical-derived nutraceuticals that may influence cancer-related signaling, redox balance, inflammation, metabolic adaptation, and host-tumor interactions. Nutraceuticals are considered investigational adjunctive exposures rather than anticancer treatments or alternatives to standard care. Relevant literature was identified through a structured, non-systematic search of PubMed/MEDLINE, Scopus, Web of Science Core Collection, and Embase from database inception to 17 June 2026, supplemented by backward and forward citation searches. Eligible evidence comprised preclinical, observational, interventional, pharmacokinetic, formulation, safety, and drug-nutraceutical interaction studies. Evidence was evaluated by cancer type, compound class, molecular context, formulation, exposure, translational maturity, and safety, and was classified into five stages:…
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