The evaluation of a one-day Acceptance and Commitment Therapy workshop and workbook for the people who have irritable bowel syndrome symptoms

The evaluation of a one-day Acceptance and Commitment Therapy workshop and workbook for the people who have irritable bowel syndrome symptoms - The evaluation of ACT for irritable bowel syndrome symptoms

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000034446

Enrollment

Registered

2018-10-12

Start date

2018-10-12

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

irritable bowel syndrome

Interventions

one-day workshop of Acceptance and Commitment Therapy and workbook of Acceptance and Commitment Therapy Waiting

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.The score of IBSSI >= 75 at the screening survey. 2.Ability to both understand and agree with informed consent in Japanese

Exclusion criteria

Exclusion criteria: 1.Participants who presently undergoing psychopharmacological, or psychological treatment for gastrointestinal or psychiatric disorder 2.Person in whom organic disease is suggested by the presence of warning symptom (anemia, inflammatory reactions, or fecal occult blood, Unexplained weight loss in past 6 months, Persons with a family history of colon cancer) 3.Persons observed to have significant suicidal ideation 4.Any other person whom the principal investigator has determined to be unsuitable as a participant of the study

Design outcomes

Primary

Measure	Time frame
Irritable bowel syndrome severity index (IBSSI-J) measuring at before intervention, 2 month and 4 month later the workshop.	—

Secondary

Measure	Time frame
1.The Japanese version of the irritable bowel syndrome quality of life instrument (IBS-QOL-J) 2.Medical Outcome Study 36-item Short Form Health Survey (SF-36) 3.Beck Depression Inventory-Second Edition (BDI-2) 4.State Trait Anxiety Inventory (STAI) 5. The Japanese version of the Acceptance and Action Questionnaire-II 6. The Japanese version of the Cognitive Fusion Questionnaire 7. The Japanese version of the Five Facet Mindfulness Questionnaire	—

Measure

Time frame

1.The Japanese version of the irritable bowel syndrome quality of life instrument (IBS-QOL-J) 2.Medical Outcome Study 36-item Short Form Health Survey (SF-36) 3.Beck Depression Inventory-Second Edition (BDI-2) 4.State Trait Anxiety Inventory (STAI) 5. The Japanese version of the Acceptance and Action Questionnaire-II 6. The Japanese version of the Cognitive Fusion Questionnaire 7. The Japanese version of the Five Facet Mindfulness Questionnaire

—

Countries

Japan

Contacts

Public ContactMasataka Ito

Doshisha university Graduate school of Psychology

ekq1003@mail2.doshisha.ac.jp0774658220

Outcome results

None listed

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