Comparing health risks after obesity treatment methods
Official title: BASUN - Risks for Malnutrition, Metabolic Bone Disease and Impaired Oral Health After Obesity Treatment - Interaction With Gastrointestinal Microbiota, Psychiatric Morbidity and Socioeconomics
Run by Göteborg University · NCT03152617 · Data updated 2026-11-12
This study looks at the health risks of malnutrition, bone disease, and oral health problems in people who have had obesity surgery compared to those treated with regular methods over ten years.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 1400 (estimated) |
| Sponsor | Göteborg University Academic / other |
| Locations | 1 site (Gothenburg) |
| Status | Recruiting |
| Started | April 2015 |
| Main results expected | April 2027 |
| Study ends | December 2027 |
| Registry record updated | April 23, 2025 |
| Trial ID | NCT03152617 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are individuals eligible for obesity treatment under specialist care, whether through surgery or medical methods.
✕Probably not a fit
Patients who cannot speak, read, or write in Swedish may not benefit from this study due to communication barriers.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
The BASUN study is a long-term observational study that compares the health outcomes of 1000 individuals who underwent obesity surgery with 400 individuals treated through conventional methods. It aims to identify the risks of malnutrition, metabolic bone disease, and impaired oral health associated with these treatments over a 10-year period. Participants are followed through detailed checkups and assessments, including nutritional status, bone health, and oral health, using various methods such as interviews, blood tests, and dental examinations. The study seeks to provide insights that could lead to more personalized medical guidelines for obesity treatment.
Why it matters
Potential benefit: If successful, this study could lead to improved management and prevention of complications associated with obesity treatments.
How similar studies have gone: While there have been studies on obesity surgery, the comprehensive long-term comparison of health risks in this manner is relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * All patients eligible for obesity treatment under specialist care with medical methods or with surgery Exclusion Criteria: * no ability to speak, read or write in Swedish
Where it's running
-
Department of Gastrosurgical R & E, the Sahlgrenska Academy,University of Gothenburg
Gothenburg, Sweden Recruiting
Study contacts
- Principal investigator: Lars Fandriks, M.D., PhD. — Institute of Clinical Sciences, the Sahlgrenska Academy, University of Gothenburg
- Study coordinator: Lars Fandriks, M.D., PhD.
- Email: lars.fandriks@gastro.gu.se
- Phone: +46313424123
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.