This small study tested whether a magnesium-based mouth spray could safely reduce coughing in adults with a chronic cough that hasn't responded to other treatments. Participants used the spray or a placebo for 14 days while their cough frequency and severity were measured. The go…
Phase: NA • Sponsor: Kholood Altassan • Aim: Symptom relief
Last updated Mar 23, 2026 15:16 UTC