Page 54 - CPG - Clinical Practice Guidelines - Management of Cancer Pain
P. 54

Management of Cancer Pain (Second Edition)
                  that practitioners may consider anticonvulsants and/or antidepressants
                  for patients with inadequate pain relief or intolerable AEs to opioids. 11

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                  e.g. headache from brain metastases, abdominal  pain from liver
                  capsule distension or intestinal obstruction and neuropathic pain from
                                       9
                  spinal cord compression. A  Cochrane systematic  review found that
                  corticosteroids were more effective than controls in cancer pain for up to
                  one week of intervention (MD= -0.84, 95% CI -1.38 to -0.30). The most
                  common AEs attributed to the medication were restlessness, insomnia,
                  *,  DQG  FDUGLRYDVFXODU   &9   HYHQWV   &XVKLQJRLG  IDFLHV   DQ[LHW\   ÀXLG
                  retention, hypocalcaemia  and hyperglycaemia.  An improvement
                  in quality of life or patient well-being had also been reported. 66, level I
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                  establish an ideal dose, duration of therapy and route of administration
                  of corticosteroids for the relief of cancer pain. Therefore, it is advocated
                  that  clinicians prescribe corticosteroids cautiously for  cancer pain
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                  duration and discontinue early if ineffective.

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                  Bisphosphonates inhibit osteoclast activity and are used as supportive
                  treatment to prevent or delay the occurrence of skeletal-related events
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                  and radiotherapy  to  the  bone, and hypercalcemia)  in patients with
                  bone metastases. They have been found to reduce pain and analgesic
                  requirements in certain cases. However,  the mechanism of  its  pain-
                  UHOLHYLQJ  HIIHFW  LV  SRRUO\  XQGHUVWRRG   ([DPSOHV  LQFOXGH  FORGURQDWH
                  ibandronate, pamidronate, risendronate, etidronate and zoledronate.
                  Denosumab is a monoclonal  antibody that  is directed against the
                  receptor activator of the nuclear factor kappa beta (RANK) ligand which
                  leads to a decrease in osteoclastogenesis and osteoclast activity,
                  hence reducing bone resorption. 9; 11

                  Three recent systematic reviews assessed the effectiveness of different
                  bone targeting agents in patients of various cancers [i.e. breast, prostate
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                  patients. 67, level I

                  On  the other hand, a Cochrane review assessing the effects  of
                  bisphosphonates  and other bone agents in addition to  anticancer
                  treatment found that in women with metastatic breast cancer and bone
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