Efficacy of L-menthol on Breathlessness in Asthma

Starting soon · Phase 2 · Has a placebo group

Conditions studied: Asthma

In brief

The purpose of this study is to assess the effect of L-menthol on breathlessness and exercise capacity in patients with Asthma.

Key facts

Study ID

NCT07500974

Run by

Region Skane

People needed

20

Starts

2026-05-01

Expected to finish

2027-05-01

Last updated by the study team

2026-03-30

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• the subject has given written consent to participate in the study
• physician diagnosis of Asthma according to international guidelines
• mMRC (modified Medical Research Council) score of 1 or above
• age 18 years or older
• able to cycle
• able to understand and talk Swedish to participate in the study procedures, as judged by the Investigators.

You may not qualify if…

• resting peripheral oxygen saturation (SpO2) < 92%
• hospitalization or clinical instability during the last four weeks
• treatment with supplementary oxygen at rest or during exercise
• contraindication to exercise testing in accordance with clinical practice guidelines
• expected survival shorter than six months as judged by the Investigator
• medical conditions including congestive heart failure, acute coronary artery disease, neuromuscular diseases, severe psychiatric illness, and olfaction disorder.

Where it is running

• Blekinge Institute of Technology — Karlskrona, Blekinge County, Sweden
• Lund University hospital and Region Skåne — Lund, Sweden

Full record on ClinicalTrials.gov

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