Targeting stromal microenvironment in pancreatic ductal adenocarcinoma: controversies and promises

Lin Mei1, Wei Du1, Wen Wee Ma1

  • 11 Department of Medicine, 2 Department of Immunology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA.

Insights

Pancreatic cancer treatments face challenges due to toxic side effects and drug resistance. Novel therapies targeting the tumor microenvironment and stromal interactions show promise for improved outcomes.

Area of Science:

  • Oncology
  • Cancer Biology
  • Tumor Microenvironment Research

Background:

  • Pancreatic cancer is a lethal malignancy with limited therapeutic options.
  • Conventional cytotoxic chemotherapies offer modest survival benefits but cause significant toxicity.
  • The dense desmoplastic stroma and tumor microenvironment are critical in pancreatic cancer progression, drug resistance, and immune evasion.

Purpose of the Study:

  • To review novel therapeutic strategies targeting the pancreatic tumor microenvironment.
  • To discuss preclinical rationales and ongoing clinical evaluations of these emerging therapies.

Main Methods:

  • Literature review of preclinical studies and clinical trials.
  • Analysis of therapeutic strategies focusing on tumor-stromal interactions.

Main Results:

  • Emerging therapies aim to overcome limitations of conventional treatments by targeting the tumor microenvironment.
  • Several novel approaches are in or near clinical evaluation, showing potential to improve treatment efficacy.

Conclusions:

  • Understanding tumor-stromal interactions is key to developing more effective pancreatic cancer therapies.
  • Targeting the tumor microenvironment represents a promising frontier in pancreatic cancer treatment, offering hope for improved patient survival and reduced toxicity.