{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+Gain+Prevention+Intervention",
    "query": {
      "intervention": "Weight Gain Prevention Intervention"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 49,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+Gain+Prevention+Intervention&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T06:05:39.503Z",
  "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": "NCT01585480",
      "title": "Preventing Obesity in the Worksite: A Multi-Message, Multi-\"Step\" Approach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight Gain Prevention Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 499,
      "start_date": "2010-11",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2023-12-22",
      "last_synced_at": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "Duluth, Minnesota",
      "locations": [
        {
          "city": "Duluth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01585480"
    },
    {
      "nct_id": "NCT01331564",
      "title": "eMOMS of Rochester",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gestational Weight Gain",
        "Postpartum Weight Retention"
      ],
      "interventions": [
        {
          "name": "electronic intervention during pregnancy and postpartum",
          "type": "BEHAVIORAL"
        },
        {
          "name": "electronic intervention during pregnancy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 1641,
      "start_date": "2011-05",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-12-02",
      "last_synced_at": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01331564"
    },
    {
      "nct_id": "NCT00177502",
      "title": "Effect of Exercise on Prevention of Weight Gain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "behavioral exercise intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 294,
      "start_date": "2003-01",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2005-09-15",
      "last_synced_at": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00177502"
    },
    {
      "nct_id": "NCT00456131",
      "title": "Prevention of Obesity at Universities: A Randomized Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Healthy Eating Behaviors Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Drexel University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "19 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 19 Years · Female only"
      },
      "enrollment_count": 330,
      "start_date": "2006-09",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2012-08-17",
      "last_synced_at": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "Phildadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Phildadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00456131"
    },
    {
      "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": "2026-09-24T06:05:39.503Z",
      "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": "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": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02906787"
    },
    {
      "nct_id": "NCT01938118",
      "title": "Mothers and Others: Family-based Obesity Prevention for Infants and Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Obesity Prevention Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Injury Prevention Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 430,
      "start_date": "2013-10",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-04-19",
      "last_synced_at": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01938118"
    },
    {
      "nct_id": "NCT07577765",
      "title": "Testing a Tailored Approach to Long-Term Weight Loss Success",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "Weight Regain",
        "Obesity & Overweight"
      ],
      "interventions": [
        {
          "name": "Adaptive weight regain prevention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-01-07",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07577765"
    },
    {
      "nct_id": "NCT02205281",
      "title": "Partners in Health: A Couples-based Approach to Obesity Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Lifestyle Intervention",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2014-06",
      "completion_date": "2018-05",
      "has_results": false,
      "last_update_posted_date": "2020-08-28",
      "last_synced_at": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "San Luis Obispo, California",
      "locations": [
        {
          "city": "San Luis Obispo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02205281"
    },
    {
      "nct_id": "NCT00241891",
      "title": "Behavior Change Family Counseling to Reduce Rate of Weight Gain in At-Risk Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Heart Diseases",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Single behavior intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multiple behavior interventions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Intervention unrelated to weight",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "8 Years to 12 Years"
      },
      "enrollment_count": 158,
      "start_date": "2006-07",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2015-04-07",
      "last_synced_at": "2026-09-24T06:05:39.503Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00241891"
    }
  ]
}