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Body composition, mitochondrial oxygen metabolism and metabolome of obese patients before and after bariatric surgery

Body composition, mitochondrial oxygen metabolism and metabolome of obese patients before and after bariatric surgery - COMMITMENT

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00015891
Enrollment
50
Registered
2019-01-31
Start date
2019-02-26
Completion date
Unknown
Last updated
2025-10-06

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

Conditions

E66.99 overweight and obesity

Interventions

Group 1: Time points and analyses T0 (pre-operative): standardised medical history, bio-impedance analysis, blood samples, COMET measurement. T1 (operation): biopsies T2 (3 +/-1 months after surgery)

Sponsors

NWG Translational Septomics, Zentrum für Innovationskomepetenz (ZIK) Septomics, Universitätklinikum Jena
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.) Grad 3 obesity with BMI =40 kg/m2 and significant metabolic comorbidity, EOSS (Edmonton Obesity Staging System) stage = 2 with truncal obesity 2.) written informed consent

Exclusion criteria

Exclusion criteria: 1.) Contra-indications to bio-impedance and COMET analysis 2.) Pregnancy or breastfeeding period 3.) Participation in another interventional study 4.) Prior participation in this study

Design outcomes

Primary

MeasureTime frame
Change in relative fat mass 6 months after surgery compared with the pre-operative state.

Secondary

MeasureTime frame
1.) Change in mitochondrial oxygen metabolism (mitoPO2, mitoVO2 and mitoDO2) 6 and 12 months after surgery compared with before the operation. 2.) Explorative analyses of the relationship between bio-impedance analysis parameters and mitoPO2 and mitoVO2 values 6 and 12 months after surgery compared with before the operation. 3.) Changes in body composition, especially visceral fat and muscle mass before the operation compared with 3, 6, 9 and 12 months after. 4.) Influence of bariatric surgery on laboratory parameters, specifically metabolome, lipidome, immune function and epigenetics.

Countries

Germany

Contacts

Public ContactMarkus Engelmann

NWG Translational Septomics, Zentrum für Innovationskompetenz (ZKS) Septomics, Universitätsklinikum Jena

markus.engelmann@med.uni-jena.de036419323287

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 12, 2026