{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Weight+Gain",
    "query": {
      "condition": "Weight Gain"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 338,
    "total_pages": 34,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Weight+Gain&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T03:58:48.064Z",
  "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": "2026-05-22T03:58:48.064Z",
      "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": "NCT05619705",
      "title": "Healthy for Two-Home Visiting (H42-HV): Health Coaching for Pregnant Women",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postpartum Weight Retention",
        "Pregnancy Weight Gain",
        "Overweight and Obesity",
        "Behavior, Health"
      ],
      "interventions": [
        {
          "name": "Healthy for Two-Health Coaching (H42)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Maintain Healthy in Pregnancy and Postpartum(mHIPP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 360,
      "start_date": "2023-04-25",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-05-22T03:58:48.064Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05619705"
    },
    {
      "nct_id": "NCT03003403",
      "title": "Balance: A Pragmatic Trial of a Digital Health Intervention to Prevent Weight Gain in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Overnutrition",
        "Nutrition Disorders",
        "Signs and Symptoms"
      ],
      "interventions": [
        {
          "name": "Intervention Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 443,
      "start_date": "2017-01",
      "completion_date": "2023-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-16",
      "last_synced_at": "2026-05-22T03:58:48.064Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03003403"
    },
    {
      "nct_id": "NCT01954342",
      "title": "Determinants of Gestational Weight Gain in Obese Pregnant Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Energy Intake",
        "Energy Expenditure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pennington Biomedical Research Center",
      "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": 72,
      "start_date": "2014-12",
      "completion_date": "2018-08",
      "has_results": true,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-05-22T03:58:48.064Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01954342"
    },
    {
      "nct_id": "NCT05857566",
      "title": "Effect of RDX-002 on Postprandial Triglycerides in Subjects Treated With Olanzapine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug-induced Weight Gain"
      ],
      "interventions": [
        {
          "name": "RDX-002",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Response Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 24,
      "start_date": "2023-05-16",
      "completion_date": "2023-09-13",
      "has_results": false,
      "last_update_posted_date": "2023-11-18",
      "last_synced_at": "2026-05-22T03:58:48.064Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05857566"
    },
    {
      "nct_id": "NCT04731688",
      "title": "A Weight Maintenance Program Promoting Fat Loss in Pregnancy in Women With Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gestational Weight Gain",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight Maintenance Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2021-03-10",
      "completion_date": "2025-11-24",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-05-22T03:58:48.064Z",
      "location_count": 2,
      "location_summary": "San Luis Obispo, California • Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "San Luis Obispo",
          "state": "California"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04731688"
    },
    {
      "nct_id": "NCT05518604",
      "title": "Weight Loss and Physical Fitness Following Pregnancy in Active Duty Women",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "Postpartum Weight Retention"
      ],
      "interventions": [
        {
          "name": "Counseling with goal of modifying eating behaviors",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tripler Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2024-01-22",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-05-22T03:58:48.064Z",
      "location_count": 2,
      "location_summary": "Honolulu, Hawaii • Schofield Barracks, Hawaii",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Schofield Barracks",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05518604"
    },
    {
      "nct_id": "NCT02217462",
      "title": "Pregnancy Eating Attributes Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 458,
      "start_date": "2014-10",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2020-02-28",
      "last_synced_at": "2026-05-22T03:58:48.064Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02217462"
    },
    {
      "nct_id": "NCT05303064",
      "title": "Study to Evaluate Weight Gain as Assessed by Change in BMI Z-score in Pediatric Subjects With Schizophrenia or Bipolar I Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia",
        "Bipolar I Disorder"
      ],
      "interventions": [
        {
          "name": "OLZ/SAM",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alkermes, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 220,
      "start_date": "2022-06-30",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-05-22T03:58:48.064Z",
      "location_count": 26,
      "location_summary": "Dothan, Alabama • Little Rock, Arkansas • Encino, California + 23 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05303064"
    },
    {
      "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": "2026-05-22T03:58:48.064Z",
      "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"
    }
  ]
}