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<p>The peritoneal cavity presents both unique challenges and promising opportunities for targeted therapy in malignancies like ovarian, gastric, pancreatic, and colorectal cancers. Intraperitoneal drug delivery offers significant pharmacokinetic advantages over intravenous administration by achieving high local drug concentrations and tumor-specific delivery potential while minimizing systemic toxicity. Despite these theoretical advantages, the clinical implementation of intraperitoneal therapy is limited by several barriers, including restricted tissue penetration, incomplete peritoneal coverage, rapid drug clearance, catheter‐related complications, posttreatment peritoneal adhesions, and ascites-induced permeability dysregulation. This review highlights three advanced strategies developed to overcome these obstacles: (1) particulate-based delivery systems, such as nanoparticles to enhance tumor specificity through passive accumulation, active targeting and on-demand drug release in response to internal or external stimuli; (2) Sustained drug release hydrogels and (3) pressurized intraperitoneal aerosol chemotherapy. Despite promising preclinical and clinical advancements, successful translation requires systematic optimization of multiple parameters, such as ascites dynamics, tumor heterogeneity, and multidrug resistance. The integration of advanced delivery technologies with a comprehensive understanding of peritoneal physiology remains crucial for achieving safe and effective clinical applications.</p> Graphical Abstract <p></p>

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Physiological Considerations and Delivery Strategies for Targeting Tumors Through Intraperitoneal Delivery

  • 期刊论文

  • 发表日期：

    2025年8月25日

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  • Md Jobair Hossen Jony,
  • Sheyda Ranjbar,
  • Rama Prajapati,
  • Seyyed Majid Eslami,
  • Zixuan Zhen,
  • Mittal Darji,
  • Xueli Zhu,
  • Xiuling Lu

摘要

The peritoneal cavity presents both unique challenges and promising opportunities for targeted therapy in malignancies like ovarian, gastric, pancreatic, and colorectal cancers. Intraperitoneal drug delivery offers significant pharmacokinetic advantages over intravenous administration by achieving high local drug concentrations and tumor-specific delivery potential while minimizing systemic toxicity. Despite these theoretical advantages, the clinical implementation of intraperitoneal therapy is limited by several barriers, including restricted tissue penetration, incomplete peritoneal coverage, rapid drug clearance, catheter‐related complications, posttreatment peritoneal adhesions, and ascites-induced permeability dysregulation. This review highlights three advanced strategies developed to overcome these obstacles: (1) particulate-based delivery systems, such as nanoparticles to enhance tumor specificity through passive accumulation, active targeting and on-demand drug release in response to internal or external stimuli; (2) Sustained drug release hydrogels and (3) pressurized intraperitoneal aerosol chemotherapy. Despite promising preclinical and clinical advancements, successful translation requires systematic optimization of multiple parameters, such as ascites dynamics, tumor heterogeneity, and multidrug resistance. The integration of advanced delivery technologies with a comprehensive understanding of peritoneal physiology remains crucial for achieving safe and effective clinical applications.

Graphical Abstract