12/02/2026
Researchers have investigated whether dry powder inhalers (DPIs) – devices commonly used for asthma and other lung conditions – could be adapted to deliver drugs directly to the laryngopharynx.
The research focused on understanding how factors like particle size, breathing technique and inhaler design influence how much medication reaches the throat.
Although the study didn’t evaluate any specific medications, its findings are relevant for future treatment strategies, particularly those aimed at conditions like Laryngopharyngeal reflux (LPR), where targeting the throat directly is key.
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Dry powder inhalers, used for managing asthma, could be repurposed to treat reflux, if designed with the right particle size, says study.