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Year : 2021  |  Volume : 8  |  Issue : 1  |  Page : 13-19

Safety and efficacy of oxycodone in cancer patients with moderate-to-severe cancer pain: A single-medical center experiences

Division of Colorectal Surgery, Department of Surgery, Chang Gung Memorial Hospital - Kaohsiung Medical Center, Kaohsiung, Taiwan

Correspondence Address:
Dr. Hong- Hwa Chen
Division of Colorectal Surgery, Department of Surgery, Chang Gung Memorial Hospital - Kaohsiung Medical Center, No. 123, Dayi Road, Niaosong District, Kaohsiung 833
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JCRP.JCRP_15_20

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Background: The study aimed at evaluating the safety and tolerability of oxycodone in patients with moderate-to-severe cancer pain at a medical center in southern Taiwan. Materials and Methods: This was a subgroup analysis of a 12-week, uncontrolled, open-label, multicentric study. During the treatment phase, all participants received control-released (CR) oxycodone and/or immediate-released (IR) oxycodone. The primary end point was the number and percentage of patients with adverse events (AEs) and serious adverse events (SAEs). The secondary end points included patient-reported outcomes and titration of oxycodone. Results: A total of 19 patients were enrolled at this medical center. A total of 56 AEs were documented in 12/19 (63.2%) patients, of which, only 4/56 (7.1%) AEs were treatment-related adverse events occurring in 3/19 (15.8%) patients and no treatment-related SAEs were observed. Most AEs were mild and typical for opioids administered to patients with cancer pain. The most AEs involved the gastrointestinal systems (23%), such as nausea, constipation, and vomiting. At the study end, pain intensity of Numeric Rating Scale score had significantly decreased from 6.3 to 1.6 points; the quality of life on the European Quality of Life Visual Analog Scale (EQ-VAS) median score had improved from 50 to 60 points; and proportion of good/excellent? quality of analgesia (QoA) had increased from 5.3% to 100%. The interesting findings of EQ5D item analyses that the top two improvements were anxiety/depression and pain/discomfort, whereas “mobility” and “self-care” became worse, demonstrated that improvement in cancer pain seems to have more improvement on patients' anxiety/depression.” The median stable dose was 20 mg/day and the median time to reach stable dose was 1 day. Conclusion: CR and IR oxycodone are tolerable and effective in managing moderate-to-severe cancer pain among patients with colorectal cancers s at this medical center. Neither new safety signals nor significant bowel function disorders were noted. Together with the high acceptability and improvements on anxiety/depression and pain/discomfort on Taiwanese cancer patients, CR and IR oxycodone can be another valuable pain management option used for the daily control of moderate-to-severe cancer pain.

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