Low-Dose Morphine Not Helpful for COPD Patients With Chronic Dyspnea: JAMA

Medically Reviewed By : Dr. Kamal Kant Kohli

Published On 2022-11-26 06:15 GMT | Update On 2022-11-26 10:35 GMT

Low-Dose Morphine Not Helpful for COPD Patients With Chronic Dyspnea suggests a recent study published in the JAMA.

Chronic breathlessness is common in people with chronic obstructive pulmonary disease (COPD). Regular, low-dose, extended-release morphine may relieve breathlessness, but evidence about its efficacy and dosing is needed. A study was conducted to determine the effect of different doses of extended-release morphine on worst breathlessness in people with COPD after 1 week of treatment.

A Multicenter, double-blind, placebo-controlled randomized clinical trial including people with COPD and chronic breathlessness (defined as a modified Medical Research Council score of 3 to 4) conducted at 20 centers in Australia. People were enrolled between September 1, 2016, and November 20, 2019, and followed up through December 26, 2019.

People were randomized 1:1:1 to 8 mg/d or 16 mg/d of oral extended-release morphine or placebo during week 1. At the start of weeks 2 and 3, people were randomized 1:1 to 8 mg/d of extended-release morphine, which was added to the prior week's dose, or placebo.

The primary outcome was change in the intensity of worst breathlessness on a numerical rating scale (score range, 0 [none] to 10 [being worst or most intense]) using the mean score at baseline (from days −3 to −1) to the mean score after week 1 of treatment (from days 5 to 7) in the 8 mg/d and 16 mg/d of extended-release morphine groups vs the placebo group. Secondary outcomes included change in daily step count measured using an actigraphy device from baseline (day −1) to the mean step count from week 3 (from days 19 to 21).

Results:

Among the 160 people randomized, 156 were included in the primary analyses and 138 (88%) completed treatment at week 1.
The change in the intensity of worst breathlessness at week 1 was not significantly different between the 8 mg/d of morphine group and the placebo group or between the 16 mg/d of morphine group and the placebo group
At week 3, the secondary outcome of change in mean daily step count was not significantly different between the 8 mg/d of morphine group and the placebo group between the 16 mg/d of morphine group and the placebo group, between the 24 mg/d of morphine group and the placebo group or between the 32 mg/d of morphine group and the placebo group

Among people with COPD and severe chronic breathlessness, daily low-dose, extended-release morphine did not significantly reduce the intensity of worst breathlessness after 1 week of treatment. These findings do not support the use of these doses of extended-release morphine to relieve breathlessness.

Reference:

Ekström M, et al "Effect of regular, low-dose, extended-release morphine on chronic breathlessness in chronic obstructive pulmonary disease: the BEAMS randomized clinical trial" JAMA 2022; DOI: 10.1001/jama.2022.20206.

Keywords:

Low-Dose, Morphine, Helpful, COPD,Patients, Chronic Dyspnea, Ekström M, JAMA

Article Source : JAMA

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Dr. Shravani Dali

Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.

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Low-Dose Morphine Not Helpful for COPD Patients With Chronic Dyspnea: JAMA

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