Prospective administration of anti-nerve growth factor treatment effectively suppresses functional connectivity alterations after cancer-induced bone pain in mice

Pain
David BuehlmannMarkus Rudin

Abstract

Cancer-induced bone pain is abundant among advanced-stage cancer patients and arises from a primary tumor in the bone or skeletal metastasis of common cancer types such as breast, lung, or prostate cancer. Recently, antibodies targeting nerve growth factor (NGF) have been shown to effectively relieve neuropathic and inflammatory pain states in mice and in humans. Although efficacy has been shown in mice on a behavioral level, effectiveness in preventing pain-induced functional rearrangements in the central nervous system has not been shown. Therefore, we assessed longitudinal whole-brain functional connectivity using resting-state functional magnetic resonance imaging in a mouse model of cancer-induced bone pain. We found functional connectivity between major hubs of ascending and descending pain pathways such as the periaqueductal gray, amygdala, thalamus, and cortical somatosensory regions to be affected by a developing cancer pain state. These changes could be successfully prevented through prospective administration of a monoclonal anti-NGF antibody (mAb911). This indicates efficacy of anti-NGF treatment to prevent pain-induced adaptations in brain functional networks after persistent nociceptive input from cancer-induced b...Continue Reading

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Citations

Jan 16, 2019·International Journal of Molecular Sciences·Federica AielliNadia Rucci
Jan 16, 2020·Nature Reviews. Urology·Brayden MarchHubert Hondermarck
Apr 5, 2019·Cancer Discovery·Sam FaulknerHubert Hondermarck
Oct 30, 2020·Journal of Pain Research·Chong PengWen Shen
Jan 1, 2021·Frontiers in Pharmacology·Jorge B Pineda-FariasNicole N Scheff

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