[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100555378":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":20,"centralContacts":24,"locations":33,"responsibleParty":50,"collaborators":52,"id":55,"slug":56,"hasResults":57,"nctId":58,"briefTitle":59,"officialTitle":60,"acronym":19,"eligibilityCriteria":61,"healthyVolunteers":62,"sex":63,"minAge":64,"maxAge":65,"enrollmentInfo":66,"targetDuration":19,"studyType":69,"phases":70,"briefSummary":72,"conditions":73,"keywords":19,"overallStatus":35,"whyStopped":19,"lastUpdateSubmitDate":78,"lastUpdatePostDateStruct":79,"startDateStruct":82,"completionDateStruct":84,"leadSponsor":86,"locationsCount":87},{"fullName":5,"class":6},"Joslin Diabetes Center","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Exercise Training","EXPERIMENTAL","Subjects will complete a supervised high-intensity interval training program for 12 weeks, including four weekly training sessions. The training session will include a 3 minute warm-up followed by six 40 second bouts of high intensity (85-95% of VO2peak) with 3 minutes moderate intensity (45-55% of VO2peak) between each bout of high intensity, concluding with a 3 minute cool-down. Each participant's target heart rate will be specific to them, calculated from the exercise test completed during Visit 1.",[13],"Other: Exercise",[15],{"type":6,"name":16,"description":17,"armGroupLabels":18,"otherNames":19},"Exercise","High Intensity Exercise",[9],null,[21],{"name":22,"affiliation":5,"role":23},"Maria Vamvini, MD","PRINCIPAL_INVESTIGATOR",[25,29],{"name":22,"role":26,"phone":27,"phoneExt":19,"email":28},"CONTACT","617-309-2400","Maria.Vamvini@joslin.harvard.edu",{"name":30,"role":26,"phone":31,"phoneExt":19,"email":32},"Laura Simpson, MS","617-735-3924","laura.simpson@joslin.harvard.edu",[34],{"facility":5,"status":35,"city":36,"state":37,"zip":38,"country":39,"countryCode":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"RECRUITING","Boston","Massachusetts","02215","United States","US",{"type":42,"coordinates":43},"Point",[44,45],-71.05977,42.35843,{"lat":45,"lon":44},[48],{"name":49,"role":26,"phone":31,"phoneExt":19,"email":32},"Simpson",{"type":51,"investigatorFullName":19,"investigatorTitle":19,"investigatorAffiliation":19,"oldNameTitle":19,"oldOrganization":19},"SPONSOR",[53],{"name":54,"class":6},"Nutrition Obesity Research Center","100555378","exercise-brain-activity-and-weight-maintenance-100555378",false,"NCT06511310","Exercise, Brain Activity, and Weight Maintenance","Effects of Exercise Training on Brain Activity and Its Relation to Weight Maintenance and Appetite Regulation","Inclusion Criteria:\n\n* Age 18-70 years\n* Body mass index (BMI) \\>19 kg\u002Fm2 and body weight\\\u003C 250kg\n* Participants must have experienced a clinically significant weight regain, defined as over 10% of their maximum weight lost, within 1 to 5 years following their bariatric surgery. They will be asked to self-report their weight loss history. Participants must also provide the operative report from their bariatric surgery for reference.\n* In good general health with no conditions that could influence the outcome of the trial, and in the judgment of the investigator is a good candidate for the study based on review of available medical history, physical examination and clinical laboratory evaluations\n* Willing to adhere to the protocol requirements for the duration of the study\n\nExclusion Criteria:\n\n* Type 1 diabetes mellitus\n* Peripheral neuropathy with insensate feet\n* Recent blood donation within the last 2 months\n* Use of beta-blockers\n* Current pregnancy or breastfeeding\n* Active Heart or lung disease\n* Severe hypertension (systolic \\>160 mmHg or diastolic \\>90 mmHg)\n* Inability to exercise for any reason\n* Any known contraindication to exercise testing based on current ACSM guidelines\n* MRI contraindications, such as presence of pacemakers, aneurysm clips, artificial heart valves, ear implants, metal fragments, or foreign objects in the eyes, skin, or body\n* Known presence of a structural brain lesion (e.g. tumor, cortical infarct)\n* Presence of another neurologic disorder, which could impact findings (e.g. multiple sclerosis)\n* History of cardiovascular disease, stroke, congestive heart failure\n* Active hematological, renal, pulmonary or hepatic disorders\n* Active treatment for cancer\n* A history of active alcohol or substance abuse\n* Any significant systemic illness or unstable medical condition which could lead to difficulty complying with the study protocol\n* History of claustrophobia and inability to tolerate an MRI\n* Body weight \\>250kgr and largest body diameter of 70cm as there is a certain weight and diameter limit of the MRI scanner\n* Unwilling or unable to return for study visits, undergo neuropsychological testing and MRI imaging\n* Left-handedness",true,"ALL","18 Years","70 Years",{"count":67,"type":68},15,"ESTIMATED","INTERVENTIONAL",[71],"NA","This study aims to explore how HIIT influences brain function, neural and molecular pathways related to weight control, setting the stage for future obesity intervention research.",[74,75,76,77],"Obesity","Weight Gain","Bariatric Surgery Candidate","Appetitive Behavior","2025-08-27",{"date":80,"type":81},"2025-09-04","ACTUAL",{"date":83,"type":68},"2025-09-15",{"date":85,"type":68},"2027-07-01",{"name":5,"class":6},1]