Bariatric Surgery Observation Study Part 2 (BAROBS2)

  • End date
    Dec 31, 2027
  • participants needed
  • sponsor
    St. Olavs Hospital
Updated on 11 April 2023


The goal of this observational study is to explore the longterm effects of two bariatric surgical procedures by inviting patients from three public hospitals who had Roux-en-Y gastric bypass or Sleeve gastrectomy to a follow-up after10-15 years

The main question[s] it aims to answer are:

  • The duration of the surgical method on weight reduction and remission of comorbidities
  • Theprevalence of complications and new morbidities after the surgical procedures Participants will be asked be asked to
  • fill inn questionnaires,
  • have a clinical examinition
  • have an interview with nurse and doctor
  • have blood samples taken
  • undergo other investigations


The BAROBS project is a collaberation between three public hospitals in Norway exploring the concequeces ten years or more after undergoing gastric bypass or sleeve gastrectomy for severe obesity.

1400 patients who underwent bariatric surgery at the three hospitals will be invited to a follow up including antrophometric, meassurment of bodily composition by bioimpedance and DXA, blood samples, questionnaires on sosioeconomic topics, symptoms and quality of life, continous glucose monitoring, dental examination, and other clinical evaluation.

Condition Bariatric Surgery Candidate
Treatment Bariatric Surgery
Clinical Study IdentifierNCT05743166
SponsorSt. Olavs Hospital
Last Modified on11 April 2023


Yes No Not Sure

Inclusion Criteria

Bariatric surgery at Namsos Hospital, St. Olavs hospital or Ålesund Hospital from 01.01.2010 to 31.12.2015

Exclusion Criteria

Not able to consent for participation
Includable participants not longer living in Norway
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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