The Impact of Incretins on Fat-free Mass, Muscle Strength and Functional Capacity (IMPACT)
Uncovering the Impact of Incretins on Fat-free Mass, Muscle Strength and Functional Capacity: an Observational Prospective Cohort
The goal of this observational study is to learn how treatment with incretins, such as semaglutide and tirzepatide, affects muscle mass, muscle strength, and physical function in people with overweight or obesity.
The main questions this study aims to answer are:
- What is the composition of weight loss during incretin treatment?
- What is the composition of recurrent weight gain after stopping incretin treatment?
An additional question this study aims to answer is:
- How do muscle strength and physical function change during and after incretin treatment?
Two groups of patients will be included: patients who start with incretin therapy for overweight/obesity and patients who stop incretin therapy for overweight/obesity.
Participants who start incretin treatment will have measurements before starting treatment, after six months, and after twelve months or when treatment is stopped. Participants who stop incretin treatment will have measurements before stopping treatment, after six months, and after twelve months or before restarting treatment.
Measurements include:
- Height, length, waist circumference
- Body composition measured with InBody, with a Dual-Energy X-ray Absorptiometry in a subgroup of the participants
- Muscle strength tests
- Physical function tests
- Blood samples to asses metabolic health
- Physical activity measured with an activity monitor (ActivPAL)
- Questionnaires about health, incretin treatment, physical activity, and diet
No treatment or medication will be given as part of the study. Participants will receive incretin treatment as part of their usual care.
Studie Overzicht
Toestand
Conditie
Studietype
Inschrijving (Geschat)
Contacten en locaties
Studiecontact
- Naam: Puck van den Hooff
- Telefoonnummer: 0031 30 698 60 90
- E-mail: puck.vandenhooff@radboudumc.nl
Studie Contact Back-up
- Naam: Jan Karregat
- E-mail: jan.karregat@radboudumc.nl
Studie Locaties
-
-
-
Amsterdam, Nederland
- Werving
- NOK clinics
-
Contact:
- Puck van den Hooff
- Telefoonnummer: 0031 30 698 60 90
- E-mail: pvandenhooff@obesitaskliniek.nl
-
Contact:
- Valerie Monpellier
- E-mail: vmonpellier@obesitaskliniek.nl
-
Nieuwegein, Nederland
- Nog niet aan het werven
- NOK Clinics
-
Contact:
- Valerie Monpellier
- E-mail: vmonpellier@obesitaskliniek.nl
-
Contact:
- Puck van den Hooff
- Telefoonnummer: 0031 30 698 60 90
-
-
Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Bemonsteringsmethode
Studie Bevolking
People with overweight or obesity
Beschrijving
Inclusion Criteria:
- Screened and planned to start with incretin treatment or currently using incretin and planned to discontinue treatment.
- Aged 18 years or older
Exclusion Criteria:
- Inability to comprehend scheduled procedures (e.g., language barriers)
- Unable to perform the physical tests due to physical disabilities
- Patients who underwent MBS or including endoscopic interventions and gastric balloon placement.
- Prior use of incretins, or other obesity medication.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Observatiemodellen: COHORT
- Tijdsperspectieven: PROSPECTIVE
Cohorten en interventies
Groep / Cohort |
|---|
|
START-group
Participants who start with incretin treatment |
|
STOP-group
Participants who stop with incretin treatment |
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
The composition of weight loss during treatment
Tijdsspanne: 12 months
|
Ratio of fat-free mass (FFM) to total weight loss. FFM will be measured using a InBody Bioelectrical Impedance Analysis (BIA) and a Dual-Energy X-ray Absorptiometry (in a subgroup). |
12 months
|
|
The composition of recurrent weight gain after cessation of treatment
Tijdsspanne: 12 months
|
The ratio of fat-free mass (FFM) to recurrent weight gain. FFM will be measured using a InBody Bioelectrical Impedance Analysis (BIA) and a Dual-Energy X-ray Absorptiometry (in a subgroup). |
12 months
|
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Muscle strength
Tijdsspanne: 12 months
|
Maximal handgrip strength will be measured using a hand dynamometer. An isometric strength test will be used to determine maximum strength and maximum power using a leg extension machine. |
12 months
|
|
Functional capacity
Tijdsspanne: 12 months
|
The Four Metre Walk Test and the Timed Chair-Stand_test will be performed to determine functional capacity. |
12 months
|
Andere uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Physical activity patterns
Tijdsspanne: 12 months
|
Habitual physical activity patterns will be objectively measured with a validated accelerometer. |
12 months
|
|
(Cardio)metabolic health
Tijdsspanne: 12 months
|
Non-fasted venous blood samples will be drawn to provide information on glycated hemoglobin (HbA1c), lipid profile (Total Cholesterol, HDL Cholesterol, LDL Cholesterol, Triglycerides), high-sensitivity C-reactive protein (hs-CRP) and creatine kinase (CK). |
12 months
|
|
Performance of resistance training
Tijdsspanne: 12 months
|
The performance of muscle resistance training will be assessed using the Muscle-Strengthening Exercise Questionnaire (MSEQ). |
12 months
|
|
Protein intake
Tijdsspanne: 12 months
|
Habitual dietary (protein) intake will be assessed using a Food Frequency Questionnaire (FFQ), a validated dietary assessment tool. |
12 months
|
Medewerkers en onderzoekers
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- NL-011099
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .