Randomized study evaluating antiperistaltic effect of L-menthol sprayed onto the colonicc mucosa for colonoscopy

Randomized study evaluating antiperistaltic effect of L-menthol sprayed onto the colonicc mucosa for colonoscopy - The RCT analyzing the efficacy of peppermint oil in colonoscopy

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000007972

Enrollment

200

Registered

2012-05-18

Start date

2012-05-01

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

Colorectal tumors

Interventions

1.6% L-menthol Water with dimeticon

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who have agreement to our study and undergo colonoscopy using 1.6% L-menthol randomly

Exclusion criteria

Exclusion criteria: Patient who is not able to undergo colonoscopy by other organs disorder, patient after colorectal surgery, patients with inflammatory bowel disease, patients with familial adenomatous polyposis

Design outcomes

Primary

Measure	Time frame
Neoplasma detection rate (number of detected neoplasms per patient)	—

Secondary

Measure	Time frame
The observation time, degree of pain of the patient and peristalsis-suppressing effect	—

Countries

Japan

Contacts

Public ContactKen Inoue

Kyoto Prefectural Yosanoumi Hospital Department of Molecular Gastroenterology and Hepatology

keninoue71@koto.kpu-m.ac.jp0772-46-3371

Outcome results

None listed

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