NCT04990947

Brief Summary

To assess changes in food intake and food preference (e.g., fat and sugar) after bariatric surgery and lifestyle intervention alone with a direct measurement.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
24

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Apr 2021

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 7, 2021

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

July 23, 2021

Completed
13 days until next milestone

First Posted

Study publicly available on registry

August 5, 2021

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2023

Completed
Last Updated

August 5, 2021

Status Verified

February 1, 2021

Enrollment Period

2.7 years

First QC Date

July 23, 2021

Last Update Submit

July 29, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Changes in caloric intake

    kcal consumed

    Before RYGB / lifestyle compared to 4 weeks, 3 months, 6 months and 12 months after RYGB / lifestyle

Secondary Outcomes (3)

  • Weight / BMI

    baseline, 4weeks, 3 months, 6 months, 12 months

  • Drinking microstructure over time

    baseline, 4weeks, 3 months, 6 months, 12 months

  • Change in self-reported hunger, thirst, fullness, preference

    baseline, 4weeks, 3 months, 6 months, 12 months

Study Arms (2)

Bariatric surgery (Roux-en-Y Gastric Bypass)

Patients who are eligible for RYGB

Other: lifestyle / RYGB

Lifestyle group

Patients with a BMI \> 30 who will start a lifestyle program

Other: lifestyle / RYGB

Interventions

No intervention, just 2 different groups will be included

Bariatric surgery (Roux-en-Y Gastric Bypass)Lifestyle group

Eligibility Criteria

Age18 Years - 67 Years
Sexfemale
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

RYGB or obesity with lifestyle intervention

You may qualify if:

  • Woman
  • Age between 18 and 67 years of age (standard for eligibility for bariatric surgery)
  • Patients must be able to adhere to the study visit schedule
  • Independently mobile
  • Patients must be able to give informed consent (IC) prior to any study procedures
  • Surgical (1) and non-surgical (2) groups:
  • Eligible for bariatric surgery (BMI \> 35 kg/m2 and clinically indicated bariatric surgery operation in agreement with the IFSO criteria)
  • Patients with a BMI of 30-40 kg/m2, who are planning to join the COOL-lifestyle program

You may not qualify if:

  • Pre-operatively/lifestyle group: Factors impairing ability to consume meal such as: Significant dysphagia; Gastric outlet obstruction; Anything factor that prevents subjects from drinking or eating a meal
  • Post-operatively: Factors impairing ability to consume meal such as: Significant and persistent surgical complications or anything that prevents subjects from drinking or eating a meal.
  • Systemic or gastrointestinal condition which may affect food intake or preference (including diabetes mellitus)
  • Pregnancy or lactation, or planning to get pregnant during the study period
  • Patients who have an intolerance or allergy for one of the components of the test product (e.g. lactose)
  • Active and significant psychiatric illness including substance misuse
  • Significant cognitive or communication issues
  • Medications with documented effect on food intake or food preference
  • Participating in another scientific study at the same time, if

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Yonta van der Burgh

Arnhem, 6815 AD, Netherlands

RECRUITING

MeSH Terms

Conditions

Obesity

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 23, 2021

First Posted

August 5, 2021

Study Start

April 7, 2021

Primary Completion

December 31, 2023

Study Completion

December 31, 2023

Last Updated

August 5, 2021

Record last verified: 2021-02

Locations