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Advances in the therapy of cancer pain: from novel experimental models to evidence-based treatments

  • CONSTANTINE D. SARANTOPOULOS1

1Department of Anesthesiology, Pharmacology and Toxicology Medical College of Wisconsin, MEB

DOI: 10.22514/SV21.052007.4 Vol.2,Issue S1,May 2007 pp.23-41

Published: 01 May 2007

*Corresponding Author(s): CONSTANTINE D. SARANTOPOULOS E-mail: csar@mcw.edu

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Abstract

Cancer related pain may be due to the malignant disease itself, or subsequent to treatments, such as surgery, chemotherapy or radiation therapy. The pathophysiology of pain due to cancer may be complex and include a variety of nociceptive, inflammatory, and neuropathic mechanisms. Despite modern advances in pharmacotherapy, cancer pain remains overall under-treated in a world-wide scale, and a main reason is lack of understanding of its pertinent pathophysiology and basic pharmacology. 

Recently, pertinent animal models have facilitated understanding of the pathobiology and have advanced the pharmacology of cancer pain, with significant translational applicability to clinical practice. Furthermore, quantitative and qualitative systematic reviews, integrating the best available evidence, indicate the validity of treatments that fit into an expanded view of the WHO-analgesic ladder. Appropriate current treatments include a valid therapeutic role of non-opioid and opioid analgesics, adjuvants -such as gabapentin, biphosphonates, palliative radiation therapy and radiopharmaceutical compounds, and interventional pain therapy (including neuraxial drug infusion and verterbroplasty for spine metastases) in selected patients. 

Overall, experimental animal models simulating cancer pain have been useful in providing pertinent information on the pathophysiology of cancer pain, and provide a testing ground for established and novel therapies, which are validated by clinical evidence. This is clinically significant, considering the epidemiological dimensions and the problematic nature of cancer pain.

Key words

cancer, pain intractable, palliative care, neoplasm metastasis, analgesics non-narcotic, analgesics opioid.

Cite And Share

CONSTANTINE D. SARANTOPOULOS. Advances in the therapy of cancer pain: from novel experimental models to evidence-based treatments. Signa Vitae. 2007. 2(S1);23-41.

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