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Multidrug-resistant (MDR) bacterial infections present a major challenge in cancer therapy, particularly for immunocompromised patients undergoing chemotherapy, radiation, or surgery. These infections often arise from prolonged antibiotic use, hospital-acquired pathogens, and weakened immune defenses, leading to increased morbidity and mortality. As conventional antibiotics become less effective against MDR strains, there is an urgent need for alternative treatment options. This review highlights phage therapy as a promising approach to managing MDR bacterial infections in cancer patients. Once widely used, phage therapy has recently regained attention as a targeted antimicrobial strategy that can specifically eliminate harmful bacteria while preserving the beneficial microbiota. Phages work by directly lysing bacteria, disrupting biofilms, and synergizing with antibiotics to restore bacterial susceptibility. These mechanisms make phage therapy especially appealing for treating infections that complicate cancer treatments. However, the clinical application of phage therapy faces challenges such as variability in phage-host interactions, regulatory hurdles, and immune responses in patients. This review identifies gaps in current research regarding the use of phage therapy for MDR infections in cancer patients. By examining recent innovations, therapeutic mechanisms, and associated limitations, we provide valuable insights into the potential of phage therapy for improving infection management in oncology. Future research should focus on refining phage delivery methods, assessing long-term safety, and exploring combination therapies to maximize clinical efficacy. Overcoming these challenges could position phage therapy as a valuable complement to existing antimicrobial strategies in cancer care.
Mafe et al. (Tue,) studied this question.