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Minty fresh hope: l-menthol may ease COPD breathlessness

NCT ID NCT05888597

Symptom relief Sponsor: Region Skane Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether L-menthol, a minty compound, can reduce breathlessness and improve exercise ability in people with COPD. Twenty adults with stable COPD cycled while researchers measured their breathing discomfort and endurance. The goal was to see if a simple, natural substance could make daily activities feel less exhausting.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

20 people

The number who actually took part.

Started

May 2023

Finished

Apr 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * The subject has given written consent to participate in the study * Diagnosis of COPD confirmed by spirometry and a FEV1 \< 80% of predicted post bronchodilator at baseline * age 18 years or older * able to cycle * able to understand and talk Swedish to participate in the study procedures, as judged by the Investigator. Exclusion Criteria: * 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.

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Chronic obstructive pulmonary disease (COPD)

Contacts and locations

Locations

  • Lund University

    Lund, Sweden

More trials for these conditions

Other studies related to the condition(s) this trial covers.