期刊
AMERICAN JOURNAL OF HOSPICE & PALLIATIVE MEDICINE
卷 40, 期 10, 页码 1093-1097出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/10499091221147903
关键词
constipation; opioid induced constipation; palliative medicine; supportive care in cancer; hospice; opioids; pain management; methylnaltrexone
This retrospective study analyzed the efficacy of methylnaltrexone for opioid-induced constipation in hospitalized adult cancer patients. The results showed that 45% of patients had a bowel movement within 24 hours of methylnaltrexone administration. Higher opioid doses and prior laxative use did not predict the response at 24 hours.
Context: Methylnaltrexone is a peripherally-acting mu-opioid receptor antagonist studied in both cancer and non-cancer patients with opioid-induced constipation (OIC), but mostly in the outpatient setting. For adult hospitalized cancer patients with OIC, its effectiveness is unknown. Objectives: Describe the efficacy of methylnaltrexone for OIC in the inpatient setting, defined as bowel movement (BM) within 24 hours of methylnaltrexone administration. Methods: We performed a single-center, retrospective chart review of all hospitalized, adult patients with a cancer diagnosis who received methylnaltrexone from the palliative care team between January 1st, 2012 and July 1st, 2019. Results: We identified 194 patients. The mean age was 59, 50.5% were male and 88% were white. 192 patients (98%) received the 8 mg dose subcutaneously. The median oral morphine equivalent (OME) was 135 mg (IQR 70-354 mg). 45% (95% confidence interval, 38-53%) had a BM within 24 hours. Higher OME was correlated with successful BM, with a response in 93% (86/92) of patients receiving >= 150 OME and 2% (2/102) of patients receiving <150 OME (P < .0001). Prior laxative use did not predict response at 24 hours whether these were osmotic laxatives (40.7% vs 47.1%, P = .52), stimulant laxatives (45.7% vs 45.2%, P > .99), or stool softeners (44.7% vs 46.1%, P = .89). Conclusion: Methylnaltrexone has a high response rate when used as treatment for OIC in hospitalized adult cancer patients, especially for patients taking >= 150 OME.
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