NCT04634591Recruiting
The Bialystok Bariatric Surgery Study
Source: ClinicalTrials.gov · Last updated 14 Apr 2026
Brief summary (registry, in English)
The Bialystok Bariatric Surgery Study (BBSS) is a prospective observational cohort study of patients undergoing bariatric surgery at the First Clinical Department of General and Endocrine Surgery at the Medical University of Bialystok. The BBSS consists of a battery of baseline tests established one month prior to the surgery and repeated at one, three, six, twelve and twenty four-month follow-up clinical visits.
- Status (registry)
- Recruiting
- Study type
- Observational
- Enrollment
- 1000 (estimated)
- First submitted
- 12 Nov 2020
- Start date
- 10 Sept 2015
- Primary completion date
- 31 Dec 2026
- Lead sponsor
- Medical University of Bialystok
- Diseases
- Obesity
- NCT number
- NCT04634591
What you commit to
- Study type: Observational
- Planned participants: 1000
- From 10 Sept 2015 to the primary completion date, 31 Dec 2026
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- uncontrolled psychiatric illness
- advanced-stage cancer
- Non-obese control group:
Other
- substance abuse,
- expected lack of compliance
- BMI \<30
Who the study is looking for
- BMI ≥ 40 kg/m2, or BMI ≥ 35 and at least one or more obesity-related co-morbidities such as type 2 diabetes (T2D), hypertension, sleep apnea and other respiratory disorders, non-alcoholic fatty liver disease, osteoarthritis, lipid abnormalities, gastrointestinal disorders, or heart disease.
- Inability to achieve a healthy weight loss sustained for a period of time with prior weight loss efforts
- Patient consent for participation in research project
- Willingness in participation in follow-up visits
Age in the registry: 18 years to - · Sex: All · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Clinical Research Centre, Medical University of Bialystok Coordinator of this site? Confirm its status | Bialystok | Poland | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.