FENO

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Completed 1

Chewing gum could skew asthma test results, study finds

Knowledge-focused Completed

This study looked at whether chewing gum changes FeNO levels—a key breath test used to guide asthma treatment. Thirty adults with asthma chewed a special sugar-free gum for 15 minutes, then had their FeNO measured again. The goal was to see if gum could cause misleading results, …

Matched conditions: FENO

Phase: NA • Sponsor: RWTH Aachen University • Aim: Knowledge-focused

Last updated May 15, 2026 11:56 UTC

FENO

Get alerted when new FENO trials appear

Chewing gum could skew asthma test results, study finds