NCT07029022

Brief Summary

This randomized controlled pilot trial investigates the effects of a brief workplace mindfulness-based intervention (MBI) on mood among full-time employees in Japan. Twenty-five participants are randomly assigned to either the MBI group or a wait-list control group. The MBI group receives three 90-minute workshops spaced four weeks apart, along with daily home mindfulness practice. Mood is assessed monthly over three months using the Japanese version of the Profile of Mood States 2 (POMS2). The primary outcome is Total Mood Disturbance (TMD). This study is approved by the Ryusei Hospital Institutional Review Board and conducted as a feasibility trial.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
25

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Jan 2025

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 21, 2025

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 28, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 28, 2025

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

June 4, 2025

Completed
15 days until next milestone

First Posted

Study publicly available on registry

June 19, 2025

Completed
Last Updated

June 24, 2025

Status Verified

June 1, 2025

Enrollment Period

3 months

First QC Date

June 4, 2025

Last Update Submit

June 18, 2025

Conditions

Keywords

Mindfulness Workplace Intervention POMS2 Presenteeism Fatigue Pilot Study Randomized Controlled Trial Japan

Outcome Measures

Primary Outcomes (1)

  • Change in Total Mood Disturbance (TMD)

    Total Mood Disturbance (TMD) score derived from the Japanese short form of the Profile of Mood States 2 (POMS2®). Monthly assessments were conducted over a three-month period. Higher scores indicate greater mood disturbance.

    Baseline to Month 3

Study Arms (2)

Mindfulness-Based Intervention Group

EXPERIMENTAL

Participants in this arm received a workplace mindfulness-based intervention consisting of three 90-minute workshops spaced four weeks apart. The program included psychoeducation, guided stretching, and focused-attention meditation, supplemented by 10-minute daily self-practice and lifestyle guidance.

Behavioral: Mindfulness-Based Intervention (MBI)

Wait-list Control Group

NO INTERVENTION

Participants in this arm did not receive any intervention during the three-month observation period. They were offered the same mindfulness-based program after the study was completed.

Interventions

This intervention consisted of three 90-minute in-person workshops delivered monthly over a three-month period. Content included psychoeducation, guided stretching, and focused-attention meditation. Participants were also encouraged to practice mindfulness at home for 10 minutes daily and to follow lifestyle guidance on diet and physical activity.

Mindfulness-Based Intervention Group

Eligibility Criteria

Age20 Years - 64 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Full-time employment
  • Age 20 years or older
  • Provided written informed consent

You may not qualify if:

  • Current or past psychiatric disorder
  • Any medical condition deemed incompatible with study participation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Ryusei Hospital

Naha, Okinawa, 902-0066, Japan

Location

Related Links

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Principal Investigator , Institute for Tourism and Health

Study Record Dates

First Submitted

June 4, 2025

First Posted

June 19, 2025

Study Start

January 21, 2025

Primary Completion

April 28, 2025

Study Completion

April 28, 2025

Last Updated

June 24, 2025

Record last verified: 2025-06

Data Sharing

IPD Sharing
Will share

Deidentified individual participant data (IPD) underlying the primary and secondary outcome measures will be shared.

Shared Documents
STUDY PROTOCOL, SAP, ICF, ANALYTIC CODE
Time Frame
IPD and supporting documents will be available beginning 6 months after publication of the results and will remain available for 36 months.
Access Criteria
Qualified researchers with a methodologically sound proposal may request access to the data. Requests will be reviewed by the study team. A data use agreement will be required prior to data sharing.

Locations