Workplace Health Promotion "So Healthy, Lose 99" Weight Loss Activity

Obesity has become one of the global health problems. According to the World Health Organization, obesity not only affects an individual's physical health, but also increases the risk of multiple chronic diseases, cardiovascular and metabolic health problems.

According to the health examination results of all hospital employees, there are many people with high body mass index. In order to increase employees' emphasis on health management, we held a weight loss competition to evaluate the effectiveness of So99 App. We hope to create a healthy workplace culture and reduce obesity-related risks through healthy eating, regular exercise and teamwork.

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Key information

Conditions

Obesity Body Weight Nutrition Disorders Nutritional and Metabolic Diseases Overnutrition Overweight Pathological Conditions, Signs and Symptoms Signs and Symptoms

Age range

20 year–64 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

China Medical University Hospital

Taichung, 407, Taiwan

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Employees of China Medical University Hospital
Aged 20 to 64
Body Mass Index (BMI) ≥ 27 (kg/ m²)

Exclusion criteria

Pregnant women or those planning to become pregnant
Individuals with a history of liver or kidney dysfunction, cardiovascular disease, stroke, or cancer
Individuals before or after major surgery
Individuals with severe mental or neurological disorders

Treatment and study plan

Use the So99 app for daily health records and app activities

Behavioral

Use the So99 app for daily health records and app activities

Primary outcomes

Percent (%) change from baseline in body weight

Time frame: 12 weeks

Interested in participating?

Completed

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Sponsors and collaborators

Lead sponsor

China Medical University Hospital

Other

Registry information

Important dates

Study start: 2025
Primary completion: 2025
Study completion: 2026
First posted: Mar 11, 2026
Registry last updated: Mar 11, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed