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Results of a Longitudinal Study of individuals with severe obesity before and after Bariatric Surgery

Results of a Longitudinal Study of individuals with severe obesity before and after Bariatric Surgery

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00038364
Enrollment
197
Registered
2025-11-06
Start date
2025-11-20
Completion date
Unknown
Last updated
2026-03-02

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

Conditions

Obesity, grade II or III (BMI > 35), patients aged 18 years or older E66

Interventions

Group 1: Formerly severely obese patients who underwent bariatric surgery between September 2015 and June 2018 will be asked to complete the following standardised questionnaires on relevant psychosoc
work ability), Patient Health Questionnaire (PHQ-9
depression), Life Satisfaction Questionnaire (FLZ
life satisfaction), Short Questionnaire on Eating Behaviour (KfZE, eating behaviour), Partnership Questionnaire (PFB-K
partnership satisfaction).

Sponsors

Herzogin Elisabeth Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: preoperative body mass index (BMI) above 35 kg/m2, indicating an obesity grade of 2 or 3

Exclusion criteria

Exclusion criteria: - insufficient German language skills - intellectual disability - developmental or learning disorders - history of prior bariatric surgery - current substance abuse

Design outcomes

Primary

MeasureTime frame
The following endpoints are determined for patients 7.5 to 10 years after their bariatric surgery (depending on the individual surgery date): - Subjective work ability, using the Work Ability Index (WAI) - Depression, using the Patient Health Questionnaire (PHQ-9) - Life satisfaction, using the Life Satisfaction Questionnaire, short version (FLZ) - Eating behaviour, using the Short Questionnaire on Eating Behaviour (KfzE) - Relationship satisfaction, using the Relationship Questionnaire, short version (PFB-K)

Countries

Germany

Contacts

Public ContactShalina Vierhock

Universität Hildesheim

vierhocks@uni-hildesheim.de+ 49 5121 883 12254

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Mar 14, 2026