Investigating the effect of peppermint essential oil inhalation on improving lung function in patients with asthma

Investigating the effect of inhalation and nebulization of peppermint plant essence on improving lung function in patients with asthma referred to a medical clinic

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20231030059905N1

Enrollment

Registered

2024-01-21

Start date

2023-12-22

Completion date

Unknown

Last updated

2024-01-22

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

Conditions

Asthma disease, patients with grade 2 and 3 asthma. Asthma

Interventions

Intervention 1: Intervention group: women and men with grade 2 and 3 asthma diagnosed by a specialist doctor. Age range from 18 to 65 years. Without allergic symptoms and acute respiratory disease. Pe

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Patients with level 2 or 3 asthma who have visited the clinic and have no acute respiratory problems

Exclusion criteria

Exclusion criteria: Measuring sensitivity to mint (one of the exit criteria): by taking a history of the symptoms of an allergic reaction to mint (itching, hives, shortness of breath). Lack of personal satisfaction Lack of bronchodilator-responsive asthma High grades of asthma with clinical symptoms such as chronic and severe shortness of breath

Design outcomes

Primary

Measure	Time frame
The amount of air that leaves the lungs during the first second of forced exhalation(FEV1). Timepoint: Measurement of variables in both control and control groups, before the start of the study, half an hour after inhaling the essential oil. Method of measurement: Spirometry, feNO test, demographic information is completed by questionnaire.;FVC. Timepoint: Measurement of variables in both control and control groups, before the start of the study, half an hour after inhaling the essential oil. Method of measurement: Spirometry.;The ratio of FEV1 to FVC. Timepoint: Measurement of variables in both control and control groups, before the start of the study, half an hour after inhaling the essential oil. Method of measurement: Spirometry.;The amount of peppermint essential oil. Timepoint: Measurement of variables in both control and control groups, before the start of the study, half an hour after inhaling the essential oil. Method of measurement: ml.;?????Demographic information. Timepoint: Before starting the study. Method of measurement: Examining patients' files and asking the patient or his companion.	—

Measure

Time frame

The amount of air that leaves the lungs during the first second of forced exhalation(FEV1). Timepoint: Measurement of variables in both control and control groups, before the start of the study, half an hour after inhaling the essential oil. Method of measurement: Spirometry, feNO test, demographic information is completed by questionnaire.;FVC. Timepoint: Measurement of variables in both control and control groups, before the start of the study, half an hour after inhaling the essential oil. Method of measurement: Spirometry.;The ratio of FEV1 to FVC. Timepoint: Measurement of variables in both control and control groups, before the start of the study, half an hour after inhaling the essential oil. Method of measurement: Spirometry.;The amount of peppermint essential oil. Timepoint: Measurement of variables in both control and control groups, before the start of the study, half an hour after inhaling the essential oil. Method of measurement: ml.;?????Demographic information. Timepoint: Before starting the study. Method of measurement: Examining patients' files and asking the patient or his companion.

—

Secondary

Measure	Time frame
Improve lung function. Timepoint: Immediately 15 to 30 minutes after inhalation. Method of measurement: FVC , FVC, The ratio of FEV1 to FVC.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Ali Haghbin

Bojnourd University of Medical Sciences

INFO@NKUMS.AC.IR+98 58 3151 0000

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026