[Angiotensin-2 type 1 receptors (AT1R) and cancers]

Thibault Dolley-Hitze1, Grégory Verhoest, Florence Jouan

  • 1Service de néphrologie, CHU Pontchaillou, 2, rue Henri-Le-Guilloux, 35033 Rennes, France.

Nephrologie & Therapeutique
|January 22, 2013
PubMed

Insights

Antagonists of angiotensin-2 receptors and inhibitors of angiotensinogen converting enzyme show potent anticancer properties in experimental research, despite conflicting epidemiological data. Further prospective studies are needed to clarify their clinical use in cancer treatment.

Area of Science:

  • Pharmacology
  • Oncology
  • Cardiovascular Medicine

Context:

  • Conflicting epidemiological studies suggest a potential cancer risk associated with angiotensin-2 receptor antagonists (ARBs) and angiotensin-converting enzyme inhibitors (ACEIs).
  • Existing meta-analyses and retrospective studies are limited by design, potentially introducing bias and failing to adequately assess antitumor effects.
  • There is a lack of prospective studies to definitively resolve the debate surrounding the oncological impact of these widely used cardiovascular medications.

Purpose:

  • To critically review and analyze recent literature on the association between ARBs and ACEIs and cancer.
  • To reconcile conflicting findings from epidemiological studies with robust experimental evidence.
  • To explore the potential antitumoral properties of ARBs and ACEIs.

Summary:

  • Experimental research consistently demonstrates significant antitumoral effects of ARBs and ACEIs, including direct antiproliferative activity and inhibition of neo-angiogenesis in preclinical models.
  • These drugs have shown potent effects on tumor cell cultures and animal models, suggesting a direct role in cancer suppression.
  • Despite conflicting epidemiological data, experimental findings strongly support the potential therapeutic value of these agents in oncology.

Impact:

  • The findings suggest that ARBs and ACEIs may hold future clinical utility as adjuncts to conventional chemotherapy in cancer treatment.
  • This review highlights the need for well-designed prospective clinical trials to validate the anticancer potential of these drugs.
  • Understanding the dual role of these cardiovascular drugs in cancer could lead to novel therapeutic strategies and improved patient outcomes.

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