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| Effect of Oral Chinese Medicine Combined with Western Medicine on Cancer Pain: A Meta-Analysis |
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| KeyWord:oral Chinese medicine, cancer pain, clinical trial, meta-analysis |
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| Abstract: |
| Objective: To assess the effect of oral Chinese medicine (OCM) combined with Western medicine (WM) on cancer pain. Methods: PubMed, Embase, Cochrane Library, Clinical Trials Registry Platform, Chinese National Knowledge Infrastructure (CNKI), Wanfang and VIP databases were searched from their inception to September 2019. Randomized controlled trials (RCTs) treating cancer pain by Chinese medicine (CM) combined with WM were included. The primary outcome were total pain relief rate and the quality of life (QOL), and the other outcomes were the average daily dosage of analgesics, the primary time of pain, the analgesic duration time, and adverse events. The methodological quality of RCTs was assessed in accordance with Cochrane 5.1.0 handbook of systematic reviews of interventions. Evidence level was assessed by the Grades of Recommendation, Assessment, Development and Evaluation (GRADE) approach. Results: There were 1,087 patients in the 14 studies, with 544 in the experiment group and 543 in the control group. These studies were all conducted in China, and published between 2006 and 2019. Compared with the WM, OCM combined with WM could significantly relieve the cancer pain [risk ratio (RR)=1.43, 95% confidence interval (CI): 1.32, 1.56), improve QOL (RR=8.57, 95% CI: 4.25, 12.89), decrease the primary time of pain (RR=–0.20, 95% CI: –0.24, –0.16], prolong the analgesic duration time (RR=3.47, 95% CI: 2.09, 4.85), reduce the dosage of analgesics (RR=–19.52, 95% CI: –36.32, –2.72), and reduce side events (RR=0.49, 95% CI: 0.37, 0.65). Evidence levels for total pain relief rate, primary time of pain and side events were low, evidence level for QOL, analgesic duration time and average daily dosage of analgesics were very low. Conclusions: Compared with the WM, OCM combined with WM could significantly relieve the cancer pain, improve the QOL, decrease the primary time of pain, prolong the analgesic duration time, reduce the dosage of analgesics and side events. The evidence levels were low or very low. |
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