• J Pain Symptom Manage · Dec 2022

    Rapid titration with intravenous oxycodone for severe cancer pain and oral conversion ratio.

    • Sebastiano Mercadante, Claudio Adile, Patrizia Ferrera, CascioAlessio LoALMain regional center for pain relief and supportive/palliative care, La Maddalena Cancer Center, Palermo, Italy., and Alessandra Casuccio.
    • Main regional center for pain relief and supportive/palliative care, La Maddalena Cancer Center, Palermo, Italy. Electronic address: terapiadeldolore@lamaddalenanet.it.
    • J Pain Symptom Manage. 2022 Dec 1; 64 (6): 532536532-536.

    Contextto assess a dose titration with intravenous oxycodone to achieve rapid pain relief of cancer pain of severe intensity. The second objective was to provide a conversion ratio with the oral route.MethodsCancer patients admitted for severe pain were prospectively assessed. At admission (T0) previous opioid doses were recorded. Edmonton symptom assessment scale (ESAS) was collected from T0 until the conclusion of the observation. Intravenous boluses of oxycodone were given until the initial signs of significant analgesia were detected. The effective dose was multiplied for six and given as intravenous continuous infusion. When the patient was considered stabilized the intravenous daily dose was converted to oral oxycodone using an initial ratio of 1:2. Subsequently, doses of oral oxycodone were changed according to the clinical situation.ResultsTwenty-nine patients were examined. A mean effective bolus dose of oxycodone was 9.5 mg (SD 8.0) allowed to achieve a meaningful pain relief in a mean of 10.4 minutes (SD 3.3). The mean initial and the final infusion doses were 51.0 mg/day (standard deviation 40.9) and 69.7 mg/day ( standard deviation76.6), respectively. A significant change in pain intensity was observed at the different time intervals (P<0.0005). Conversion to oral route occurred after a mean of 2.7 days (standard deviation1.2) of intravenous oxycodone. The final mean conversion ratio was 1:2,12 ( standard deviation0.36).ConclusionRapid intravenous oxycodone dose titration resulted in rapid pain relief. The intravenous-oral conversion ratio of 1:2 is reliable. Further studies are necessary to confirm this preliminary observation.Copyright © 2022 American Academy of Hospice and Palliative Medicine. Published by Elsevier Inc. All rights reserved.

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