L-menthol influence on discomfort perception of breathing during endurance exercise

L-menthol influence on discomfort perception of breathing during endurance exercise - L-menthol influence on discomfort perception of breathing during endurance exercise

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000050151

Enrollment

Registered

2023-01-27

Start date

2023-02-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Interventions

l-menthol/water solution

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1) Healthy adult who has no limitation in bicycling 2) Running or bicycling long distance daily (4-5 days/wk)

Exclusion criteria

Exclusion criteria: 1. Musculoskeletal disorder/disease 2. Metabolic diseases. 3. Respiratory diseases. 4. Acute infectious diseases. 5. Visual/auditory failure 6. Neurological disorder/disease 7. Dislike l-menthol 8. Under medication 9. claustrophobia

Design outcomes

Primary

Measure	Time frame
Breathing discomfort perception, EEG source power and network	—

Secondary

Measure	Time frame
endurance time, heart rate, oxygen uptake, CO2 exhalation, respiratory rate, ventilation volume, respiratory exchange ratio, subjective level of fatigue, O2 saturation	—

Countries

Japan

Contacts

Public ContactYoshiko Tsutsumi

Tohoku University Graduate School of Biomedical Engineering

yoshiko@med.tohoku.ac.jp022-717-8586

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026