Effectiveness of nebulised 7% saline versus oral carbocisteine in patients with COPD and self-reported difficulty in expectoration: a randomised controlled trial (MUCACT)
This was an open, pragmatic, UK, multicentre and parallel randomised controlled trial in participants with COPD and self-reported difficulty in expectorating. Participants were randomised to receive either nebulised 7% saline plus the active cycle breathing technique (ACBT) twice daily or carbocisteine plus...