{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Weight+Gain+Prevention",
    "query": {
      "condition": "Weight Gain Prevention"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Weight+Gain+Prevention&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:45:08.228Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01680224",
      "title": "Effectiveness Trial of a Dissonance-Based Obesity Prevention Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Weight Gain",
        "Eating Disorders"
      ],
      "interventions": [
        {
          "name": "Healthy Weight",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Project Health",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "23 Years",
        "sex": "ALL",
        "summary": "17 Years to 23 Years"
      },
      "enrollment_count": 364,
      "start_date": "2012-09-01",
      "completion_date": "2018-05-31",
      "has_results": false,
      "last_update_posted_date": "2018-09-21",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 4,
      "location_summary": "Corvallis, Oregon • Eugene, Oregon • Austin, Texas",
      "locations": [
        {
          "city": "Corvallis",
          "state": "Oregon"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01680224"
    },
    {
      "nct_id": "NCT01408147",
      "title": "Prevention of Postpartum Weight Retention in Low Income WIC Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Online postpartum weight control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "California Polytechnic State University-San Luis Obispo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 371,
      "start_date": "2011-07",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2020-09-16",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 2,
      "location_summary": "San Luis Obispo, California • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "San Luis Obispo",
          "state": "California"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01408147"
    },
    {
      "nct_id": "NCT01043614",
      "title": "Peer Education, Exercising and Eating Right - Obesity Prevention in Freshmen Women",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "PEER group intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "19 Years",
        "sex": "FEMALE",
        "summary": "17 Years to 19 Years · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2008-08",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2010-01-07",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01043614"
    },
    {
      "nct_id": "NCT02906787",
      "title": "Behavioral Activation for Smoking Cessation and the Prevention of Post-Cessation Weight Gain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "BAS+",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SC",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 288,
      "start_date": "2016-09-13",
      "completion_date": "2021-02-28",
      "has_results": true,
      "last_update_posted_date": "2024-05-29",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02906787"
    },
    {
      "nct_id": "NCT04914819",
      "title": "Postpartum Weight Loss for Women at Elevated Cardiovascular Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "Postpartum Weight Retention",
        "Hypertension in Pregnancy",
        "Diabetes Mellitus in Pregnancy",
        "Preeclampsia",
        "Recruitment"
      ],
      "interventions": [
        {
          "name": "Online Behavioral Weight Loss Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Virtual weigh-in",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 89,
      "start_date": "2021-06-18",
      "completion_date": "2021-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-07-06",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04914819"
    },
    {
      "nct_id": "NCT00606840",
      "title": "Weight Gain Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Gain"
      ],
      "interventions": [
        {
          "name": "large changes in eating and activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "small changes in eating and activity",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 52,
      "start_date": "2008-01",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2012-04-13",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00606840"
    },
    {
      "nct_id": "NCT01167270",
      "title": "The Intervention Nurses Start Infants Growing on Healthy Trajectories (INSIGHT) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infant",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Child Safety Insights",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parenting Insights",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ian M. Paul, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Day and older"
      },
      "enrollment_count": 316,
      "start_date": "2012-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-31",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 2,
      "location_summary": "Hershey, Pennsylvania • State College, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01167270"
    },
    {
      "nct_id": "NCT01122381",
      "title": "Comparison of a Drug and Placebo in the Prevention of Migraine Headaches",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Headache, Migraine"
      ],
      "interventions": [
        {
          "name": "ethosuximide",
          "type": "DRUG"
        },
        {
          "name": "placebo comparator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 5,
      "start_date": "2011-12",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2015-08-19",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01122381"
    },
    {
      "nct_id": "NCT00394095",
      "title": "Topiramate vs. Placebo in Preventing Weight Gain in Bipolar Disorder Treated With Olanzapine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Weight Gain"
      ],
      "interventions": [
        {
          "name": "Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 31,
      "start_date": "2006-12",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00394095"
    },
    {
      "nct_id": "NCT06028113",
      "title": "A Novel Obesity Prevention Program for High-Risk Infants in Primary Care",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Obesity, Childhood",
        "Weight Gain",
        "Weight Gain Trajectory"
      ],
      "interventions": [
        {
          "name": "THRIVE 2.0",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Day and older"
      },
      "enrollment_count": 144,
      "start_date": "2023-10-05",
      "completion_date": "2026-01-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-05",
      "last_synced_at": "2026-05-22T09:45:08.228Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06028113"
    }
  ]
}