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Comparison of adverse events associated with different spacers used with non-extrafine beclometasone dipropionate for asthma

Ming, S. W. Y., Haughney, J., Ryan, D., Patel, S., Ochel, M., d’Alcontres, M. S., Thornhill, S., Kocks, J. W. H. & Price, D., 8-Feb-2019, In : npj Primary Care Respiratory Medicine. 29, 1, 8 p., 3.

Research output: Contribution to journalArticleAcademicpeer-review

  • Simon Wan Yau Ming
  • John Haughney
  • Dermot Ryan
  • Shishir Patel
  • Matthias Ochel
  • Martina Stagno d’Alcontres
  • Susannah Thornhill
  • Janwillem W.H. Kocks
  • David Price

Co-prescription of Aerochamber ® spacer with non-extrafine beclometasone diproprionate (non-EF BDP) is common but unlicensed. We report a comparison of inhaled corticosteroid (ICS)-related adverse events between patients co-prescribed Aerochamber compared to the licensed Volumatic ® spacer. We utilised two historical cohorts: questionnaire-based and electronic medical record (EMR)-based, to assess patient-reported and EMR-recorded adverse events in patients with asthma prescribed non-EF BDP. Marginal effect estimate (MEE) was calculated to determine non-inferiority of Aerochamber compared to Volumatic in terms of patient-reported oral thrush and hoarseness with margin of 0.13. Other patient-reported adverse events (sore throat, bruising, weight gain, and coughing), and EMR-recorded adverse events were also assessed. Rate of patient-reported oral adverse events were non-inferior in 385 patients prescribed Aerochamber compared to 155 patients prescribed Volumatic (27.7 vs 29.9%; MEE, −0.043; 95% CI, −0.133 to 0.047). Total patient-reported adverse events did not differ significantly between Aerochamber and Volumatic (53.3 vs 49.7% with ≥1 adverse event). The EMR-based study of 1471 matched pairs of subjects did not show significantly different number of EMR-recorded adverse events between Aerochamber and Volumatic (12.5 vs 12.8% with ≥1 adverse events). Co-prescribing Aerochamber with non-EF BDP does not increase the risk for patient-reported and EMR-recorded ICS-related adverse events compared to co-prescribing Volumatic.

Original languageEnglish
Article number3
Number of pages8
Journalnpj Primary Care Respiratory Medicine
Volume29
Issue number1
Publication statusPublished - 8-Feb-2019

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