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Sources

Sources

The studies and reports behind the figures on this website.

  1. World Health Organization. Chronic obstructive pulmonary disease (COPD), fact sheet, 10 June 2026. who.int
  2. Normansell R, Kew KM, Mathioudakis AG. Interventions to improve inhaler technique for people with asthma. Cochrane Database Syst Rev. 2017;3:CD012286.
  3. Fink JB, Rubin BK. Problems with inhaler use: a call for improved clinician and patient education. Respir Care. 2005;50(10):1360-1374.
  4. Roggeri A, Micheletto C, Roggeri DP. Inhalation errors due to device switch in patients. Int J Chron Obstruct Pulmon Dis. 2016;11:597-602.
  5. Grand View Research, 2022. US inhalable drugs market estimate (About Us page).
  6. Usmani OS. Choosing the right inhaler for your asthma or COPD patient. Ther Clin Risk Manag. 2019 Mar 14;15:461 -472.
  7. WHO respiratory diseases reporting and further clinical studies cited by Synvero Health.
  8. Häußermann S, Arendsen LJ, Pritchard JN. Smart dry powder inhalers and intelligent adherence management. Adv Drug Deliv Rev. 2022;191:114580. doi:10.1016/j.addr.2022.114580
  9. Arendsen L, Beeh K, Kroneberg P, Meyer M, Wencker M. The use of a digital inhalation coach reduces inhalation errors in a clinical trial. Poster presented at: European Respiratory Society (ERS) International Congress; September 7-11, 2024; Vienna, Austria.
  10. Kroneberg P, Arendsen LJ, Beeh KM, Häußermann S, Meyer M, Wencker M. The use of a digital inhalation coach in a clinical trial to ensure high inhaled medication adherence and improve inhalation technique. Poster presented at: American Thoracic Society (ATS) International Conference; May 16-21, 2025; San Francisco, CA.
  11. Trinkmann F, Arendsen L, Meyer M, Kroneberg P, Häußermann S, Herth FJF, et al. Improving inhaler technique through digital feedback: KaRe randomized controlled trial of a digital inhalation coach in asthma patients. Am J Respir Crit Care Med. 2026;212(suppl 1):aamag162.436. doi:10.1093/ajrccm/aamag162.436.
  12. Trinkmann F, Arendsen L, Meyer M, Kroneberg P, Häußermann S, Herth FJF, et al. Self-reported adherence substantially overestimates objectively measured inhaler use: findings from KaRe randomized controlled trial of a digital inhalation coach in asthma patients. Am J Respir Crit Care Med. 2026;212(suppl 1):aamag162.678. doi:10.1093/ajrccm/aamag162.678.