How many patients have symptoms of early or late dumping after weight loss surgery and does these symptoms influence quality of life?

Prevalence of dumping after bariatric surgery and impact on quality of life

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN17666669

Enrollment

1250

Registered

2017-10-12

Start date

2012-05-01

Completion date

Unknown

Last updated

2018-09-03

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

Conditions

Post-bariatric population and dumping syndrome Surgery Post-bariatric population and dumping syndrome

Interventions

Participants are asked to fill in one questionnaire some time after their bariatric surgery which takes 15 minutes. The questionnaire asks about late and early dumping and the impact on their quality

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. All patients who underwent bariatric surgery in a single hospital between 2008 and 2011 2. Aged between 18 and 70 years 3. All genders

Exclusion criteria

Exclusion criteria: There is no exclusion criteria.

Design outcomes

Secondary

Measure	Time frame
1. Prevalence of early dumping is measured using the dumping severity score and questionnaire at one time point few years after bariatric surgery 2. Impact on quality of life is measured using the dumping severity score and questionnaire at one time point few years after bariatric surgery	—

Primary

Measure	Time frame
Prevalence of late dumping is measured using the dumping severity score and questionnaire at one time point few years after bariatric surgery.	—

Countries

Netherlands

Outcome results

None listed

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