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Tumor angiogenesis targeting using imaging agents.

W A Weber1, R Haubner, E Vabuliene

  • 1Department of Nuclear Medicine, Technische Universität, München, Germany. W.Weber@lrz.tu-muenchen.de

The Quarterly Journal of Nuclear Medicine : Official Publication of the Italian Association of Nuclear Medicine (AIMN) [And] the International Association of Radiopharmacology (IAR)
|July 31, 2001
PubMed
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Inhibiting tumor angiogenesis is a new cancer therapy. Advanced imaging, like positron emission tomography (PET), can monitor treatment effectiveness and identify patients who will benefit most from anti-angiogenic therapies.

Area of Science:

  • Oncology
  • Medical Imaging
  • Molecular Biology

Background:

  • Tumor angiogenesis inhibition is a novel therapeutic strategy in oncology.
  • Anti-angiogenic therapies are cytostatic, requiring new response assessment criteria.
  • Current assessment methods for chemotherapy and radiotherapy are unsuitable for anti-angiogenic treatments.

Purpose of the Study:

  • To explore functional and molecular imaging parameters for assessing tumor angiogenesis during anti-angiogenic therapy.
  • To evaluate the utility of various imaging techniques in monitoring treatment response.
  • To highlight the potential of positron emission tomography (PET) in personalized anti-angiogenic therapy.

Main Methods:

  • Review of computed tomography (CT), magnetic resonance imaging (MRI), ultrasound, and scintigraphic techniques.

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  • Focus on positron emission tomography (PET) for monitoring tumor cell metabolism, proliferation, and apoptosis.
  • Discussion of PET's sensitivity for visualizing molecular targets.

    • Main Results:

    • Various imaging modalities can assess tumor vascular permeability and blood flow changes.
    • PET offers sensitive monitoring of metabolic and proliferative changes post-therapy.
    • PET's high sensitivity enables visualization of specific molecular targets.

    Conclusions:

    • Functional and molecular imaging are crucial for evaluating anti-angiogenic therapy.
    • PET shows promise for visualizing molecular targets and predicting patient response.
    • PET imaging can guide personalized anti-angiogenic treatment strategies.