Change in Reward System Activation and Gut Microbiota Following RYGB and Sleeve Gastrectomy for Weight Loss vs. Control-Heads Up Ancillary
Change in Reward System Activation and Gut Microbiota Following Roux-en-y and Sleeve Gastrectomy for Weight Loss as Compared to a Control- Heads Up Ancillary
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Louisiana
-
Baton Rouge, Louisiana, Forenede Stater, 70808-4124
- Pennington Biomedical Research Center
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
Surgical Groups (RYGB and SG) Inclusion criteria for the two surgery groups (n=16)
- Individuals who qualify for Heads Up and would like to participate in this ancillary study
- Be willing to participate in additional procedures including: 4 brains scans (2 before surgery and 2 after surgery), 2 meal challenges (1 before surgery and 1 after surgery), and 2 microbiota collections (1 before surgery and 1 after surgery).
- Be willing to archive microbiota samples
Control Group:
Inclusion Criteria for the BMI matched control group (n=9):
- Males and females age 21-70 years
- Body Mass Index ≥40 kg/m2 without type 2 diabetes or ≥35 kg/m2 and ≤ 60kg/m² with type 2 diabetes
- Agree to receive frequent contacts from investigators and communicate with program staff for up to 6 months
- Able to give written informed consent
- Able to comply with study procedures
Exclusion Criteria:
Exclusion Criteria for the two surgery groups (n=16):
- Unable or unwilling to give informed consent
- Pregnant or planning on becoming pregnant during the 6 months you participate in the study
- History or presence of unremoveable metal objects (medical or dental) or electronic devices or other contraindication to MRI scanning.
- Unwillingness to complete an MRI due to confined space or other related phobias
Exclusion Criteria for the BMI matched control group (n=9):
- Unable or unwilling to give informed consent
- Hospitalization for psychiatric illness or substance use/abuse within the past year
- Diagnosis of schizophrenia, other psychotic disorders, bipolar disorder, or personality disorder as determined by the medical staff
- Travel plans that do not permit participation
- Pregnant or planning on becoming pregnant during the 6 months you participate in the study
- History of prior bariatric surgery, extensive bowel resection, or hiatal hernia repair (unless approved by the medical staff)
- History of eating disorder such as anorexia nervosa, bulimia, or binge eating (unless approved by program staff)
- Current major depressive episode or history of suicidal behaviors
- Severe congestive heart failure (NYHA class III, IV)
- Second degree or greater heart block
- Other medical, psychiatric, or behavioral limitations that in the judgement of the investigator may interfere with program participation or the ability to follow the intervention protocol
- History or presence of unremoveable metal objects (medical or dental) or electronic devices or other contraindication to MRI scanning.
- Unwillingness to complete an MRI due to confined space or other related phobias
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Diagnostisk
- Tildeling: Ikke-randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: RYGB
Bariatric Surgery:Roux-en-y
|
|
|
Eksperimentel: SG
Bariatric Surgery: Sleeve Gastrectomy
|
|
|
Placebo komparator: Control
BMI matched control
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Neural reward sensitivity
Tidsramme: baseline, 6 months
|
Investigate change in reward activation patterns in the brain in response to food cues using fMRI.
|
baseline, 6 months
|
|
gut microbiota
Tidsramme: baseline, 6 months
|
Determine if gut microbiota, as analyzed via stool sample collection, changes from baseline (prior to surgery) to 6 months follow-up (post-surgery) among the groups.
|
baseline, 6 months
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Keely Hawkins, Ph.D., Pennington Biomedical Research Center
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- PBRC 2015-064
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
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