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Low-dose sustained-release morphine is recommended for chronic breathlessness in opioid-naïve patients. While generally safe, careful management of side effects like constipation and nausea is crucial for optimal outcomes.

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Area of Science:

  • Respiratory Medicine
  • Palliative Care
  • Pharmacology

Background:

  • Chronic breathlessness is a significant and distressing condition.
  • Non-pharmacological interventions are primary, with opioids considered when these are insufficient.
  • Current clinical implementation of opioids for breathlessness varies.

Purpose of the Study:

  • To review evidence on best practices for opioid use in chronic breathlessness.
  • To identify gaps in current research regarding opioid therapy for breathlessness.

Main Methods:

  • This study is a narrative review of existing literature.
  • It synthesizes evidence on opioid efficacy, safety, and best practices.
  • Focuses on low-dose sustained-release morphine as a primary option.

Main Results:

  • Level 1a evidence supports opioid use for breathlessness.
  • 10-30 mg daily of sustained-release oral morphine is the recommended standard for opioid-naïve patients.
  • Adverse events are common but typically mild and manageable; serious events are rare.

Conclusions:

  • Low-dose sustained-release morphine is the current standard of care for chronic breathlessness in opioid-naïve individuals.
  • Long-term data on benefits and harms are limited.
  • Further research is needed, especially on long-term safety and specific formulations like fentanyl for exertion-related breathlessness.