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Standard Duodenal Switch vs. Single Anastomosis Duodeno-Ileostomy Duodenal Switch

Torsby I Trial: A Prospectively Randomized Study on Standard Duodenal Switch vs. Single Anastomosis Duodeno-ileostomy Duodenal Switch

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03938571
Enrollment
56
Registered
2019-05-06
Start date
2016-08-01
Completion date
2029-01-01
Last updated
2026-02-18

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

Conditions

Obesity, Surgery, Metabolic Syndrome, Malnutrition

Brief summary

The aim of the Torsby I Trial is to identify differences and similarities between a standard duodenal switch (DS) and a single-anastomosis duodeno-ileostomy (SADI) regarding effect on weight, comorbidities and malnutrition.

Interventions

Sponsors

Värmland County Council, Sweden
Lead SponsorOTHER_GOV

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* BMI over 45 * Ability to understand the legal background of a study

Exclusion criteria

* Previous bariatric or anti-reflux surgery * Drug-abuse * Inflammatory bowel disease * Complex psychiatric situation

Design outcomes

Primary

MeasureTime frameDescription
Change of weight (kg)January 2024 (5 yr follow-up) and january 2029 (10 yr follow-up)Change of weight in kg with calculation of the relative weight-loss under the follow-up
Early complicationsUp to 10 years after operationRate of minor and major complications

Secondary

MeasureTime frameDescription
Alterations in comorbidities (hypertension)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of the metabolic profile (hypertension).
Alterations in comorbidities (diabetes)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of the metabolic profile (diabetes)
Alterations in comorbidities (sleeping apnea)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of the metabolic profile (sleeping apnea)
Alterations in comorbidities (hyperlipideamia)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of the metabolic profile (hyperlipidemia)
Development of malnutrition (protein)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of levels of protein
Development of malnutrition (vitamin A)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of levels of vitamin A
Development of malnutrition (vitamin D)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of levels of vitamin D
Development of malnutrition (vitamin B12)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of levels of vitamin B12
Development of malnutrition (vitamin B6)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of levels of vitamin B6
Development of malnutrition (vitamin B1)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of levels of vitamin B1
Development of malnutrition (vitamin E)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of levels of vitamin E
Development of malnutrition (calcium)January 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Changes of levels of calcium
Late minor complicationsJanuary 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Rate of minor complications (Clavien Dindo \< IIIB)
Late major complicationsJanuary 2021 (2 yr follow-up), january 2024 (5 yr follow-up), january 2029 (10 yr follow-up)Rate of major complications (Clavien Dindo \> and = IIIB)

Contacts

STUDY_CHAIRBengt Hansske, M.D.

Consultant

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 19, 2026