Genetic Susceptibility to Predict Weight Loss After Bariatric Surgery

NCT ID: NCT06226194

Last Updated: 2024-03-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

6966 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-03-15

Study Completion Date

2028-11-29

Brief Summary

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Obesity is a complex chronic disease, in which both genetic and environmental factors are involved, that shows a great heterogeneity in the response to different weight loss programs. Identifying patients as responder or no responder to the different obesity treatment options is a concept of great interest, both due to the high prevalence of obesity and its high consumption of resources. More than 500,000 surgeries are performed every year around the world, of which approximately 30% will present unsatisfactory results.

The general objective is to carry out a multi-omics approach for the discovery and validation of markers of weight response to bariatric surgery (BS) in a large sample of people with severe obesity (n=6,966 men and women who underwent sleeve gastrectomy or gastric bypass, including an additional external validation set). Thus, the investigators want to know the integrated contribution of several genomic markers (Genome Wide Association study, GWAs), new clinical and analytical variables (human exposome concept) and gender perspective to the prediction of response to the intervention at 12 month and its long-term longitudinal maintenance (3 years). The investigators intend, therefore, to provide new evidence to advance towards precision medicine. The investigators will focus our attention also on identifying those patients who, after being classified at the weight loss nadir as responders experienced weight regain.

Detailed Description

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Conditions

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Bariatric Surgery Candidate Obesity, Morbid Genetic Predisposition Metabolic Syndrome Weight Loss

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Lleida

Saliva sample collection and questionnaire

No interventions assigned to this group

Barcelona

Saliva sample collection and questionnaire

No interventions assigned to this group

Madrid

Saliva sample collection and questionnaire

No interventions assigned to this group

Málaga

Saliva sample collection and questionnaire

No interventions assigned to this group

Santiago de Compostela

Saliva sample collection and questionnaire

No interventions assigned to this group

Pamplona

Saliva sample collection and questionnaire

No interventions assigned to this group

León

Saliva sample collection and questionnaire

No interventions assigned to this group

A Coruña

Saliva sample collection and questionnaire

No interventions assigned to this group

Mallorca

Saliva sample collection and questionnaire

No interventions assigned to this group

Tenerife

Saliva sample collection and questionnaire

No interventions assigned to this group

Las Palmas

Saliva sample collection and questionnaire

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Men and women between the ages of 18 and 65 at the time of surgery
* SG or RYBP as bariatric procedure.
* With a BMI≥35.0 kg/m2 with one or more comorbidities or a BMI\>40.0 kg/m2 at the time of surgery.
* Provision of an informed consent form signed and personally dated by the patient.
* With available baseline data (anthropometric, analytical, surgical procedure, pharmacological therapies, and obesity-related comorbidities).

Exclusion Criteria

* Any previous gastrointestinal surgery
* Treatment with any approved antiobesity drug in Spain (orlistat, liraglutide 3.0 mg and/or naltrexone/bupropion extended release) or systemic glucocorticoids for more than 4 consecutive weeks during the 3 years following BS
* End stage kidney disease (eGFR \<15 ml/min/1.73m2) or liver cirrhosis at baseline
* Patients who developed any major medical conditions that limits the practice of a healthy life within normal limits (advanced cardiovascular disease or heart failure, stroke with neurological sequelae, chronic pulmonary obstructive disease with dyspnea at minimal exertion, severe joint pathology, end stage renal failure, or active cancer)
* Known type 1 diabetes or LADA diabetes
* Women who become pregnant during the follow-up period
* Current drug or alcohol abuse
* Uncontrolled psychiatric illness or eating disorders developed during the follow-up period.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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ISCIII

UNKNOWN

Sponsor Role collaborator

Institut de Recerca Biomèdica de Lleida

OTHER

Sponsor Role lead

Responsible Party

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Albert Lecube Torello

Head of Endocrinology Department Arnau de Vilanova University Hospital

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Albert Lecube Torelló, PhD

Role: STUDY_CHAIR

Institut de Recerca Biomèdica de Lleida

Rafael Simo, PhD

Role: STUDY_DIRECTOR

Vall d'Hebron Research Institute

Miguel Angel Rubio, PhD

Role: PRINCIPAL_INVESTIGATOR

Instituto de Investigación Sanitaria Hospital Clínico San Carlos

Francisco Tinahones, PhD

Role: PRINCIPAL_INVESTIGATOR

Instituto de Investigación Biomédica de Málaga

Javier Escalada, PhD

Role: PRINCIPAL_INVESTIGATOR

Clínica Universidad de Navarra Institute

Locations

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IRBLleida

Lleida, Leida, Spain

Site Status RECRUITING

Countries

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Spain

Central Contacts

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Albert Lecube Torelló, PhD

Role: CONTACT

0034973705183

Eva López

Role: CONTACT

0034973706636

Facility Contacts

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Albert Lecube Torelló, PhD

Role: primary

973702201

References

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Other Identifiers

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IRBLleida

Identifier Type: -

Identifier Source: org_study_id

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