{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+Loss+%28WL%29",
    "query": {
      "intervention": "Weight Loss (WL)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+Loss+%28WL%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T02:55:44.883Z",
  "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": "NCT07789769",
      "title": "A Trial to Examine the Effects of a Weight Loss Program Emphasizing Protein, Dietary Fiber, and Exercise (30-30-30 Plan)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight , Obesity"
      ],
      "interventions": [
        {
          "name": "30-30-30 PFE Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Midwest Center for Metabolic and Cardiovascular Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 110,
      "start_date": "2026-08",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 3,
      "location_summary": "Addison, Illinois • Chicago, Illinois • Bloomington, Indiana",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07789769"
    },
    {
      "nct_id": "NCT03835416",
      "title": "Veterans Achieving Weight Loss and Optimizing Resilience-Using Protein",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prediabetes",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Foods rich in high quality protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "55 Years and older · Male only"
      },
      "enrollment_count": 105,
      "start_date": "2019-12-12",
      "completion_date": "2024-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-06-06",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03835416"
    },
    {
      "nct_id": "NCT04228978",
      "title": "Promote Weight Loss in Obese Peripheral Artery Disease (PAD) Patients to Prevent Mobility Loss",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Artery Disease",
        "Overweight or Obesity"
      ],
      "interventions": [
        {
          "name": "Weight loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 212,
      "start_date": "2020-03-01",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 7,
      "location_summary": "Chicago, Illinois • New Orleans, Louisiana • Baltimore, Maryland + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04228978"
    },
    {
      "nct_id": "NCT03129048",
      "title": "Mediterranean Diet, Weight Loss, and Cognition in Obese Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognition",
        "Obese Older Adults",
        "Mediterranean Diet"
      ],
      "interventions": [
        {
          "name": "MedDiet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "55 Years to 85 Years"
      },
      "enrollment_count": 180,
      "start_date": "2016-09-01",
      "completion_date": "2021-04-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03129048"
    },
    {
      "nct_id": "NCT00472745",
      "title": "The Effect of Weight Loss on Bone in Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "BMD"
      ],
      "interventions": [
        {
          "name": "Weight Loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Maintenance",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "72 Years",
        "sex": "MALE",
        "summary": "50 Years to 72 Years · Male only"
      },
      "enrollment_count": 44,
      "start_date": "2007-03",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00472745"
    },
    {
      "nct_id": "NCT02806336",
      "title": "Multimodel Exercise and Weight Loss in Older Obese Veterans With Dysmobility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Dysmobility"
      ],
      "interventions": [
        {
          "name": "Multi Modal Balance Training (MMBI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Loss (WL)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2016-10-03",
      "completion_date": "2022-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02806336"
    },
    {
      "nct_id": "NCT04248686",
      "title": "Combined Eating Disorder and Weight Loss Online Guided-Self Help Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eating Disorders",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "CoED Online Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2019-12-13",
      "completion_date": "2021-11-30",
      "has_results": false,
      "last_update_posted_date": "2022-07-07",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04248686"
    },
    {
      "nct_id": "NCT00971594",
      "title": "Age, Lifestyle, Muscle Mechanisms in Insulin Resistance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Glucose Intolerance",
        "Exercise Capacity"
      ],
      "interventions": [
        {
          "name": "Dietary counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AEX",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2004-06",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2009-09-03",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00971594"
    },
    {
      "nct_id": "NCT02437643",
      "title": "An Enhanced Protein (Dairy) Weight Loss Intervention for Dynapenic Obesity: Impact on Muscle Quality and Composition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dynapenia",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight Loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dairy Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low intensity exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2015-08-17",
      "completion_date": "2018-10-15",
      "has_results": false,
      "last_update_posted_date": "2018-11-07",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02437643"
    },
    {
      "nct_id": "NCT01032733",
      "title": "Biological Effects of Weight Loss In Older, Obese Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "Lifestyle Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "79 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 79 Years · Female only"
      },
      "enrollment_count": 34,
      "start_date": "2006-09",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2012-06-14",
      "last_synced_at": "2026-09-24T02:55:44.883Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01032733"
    }
  ]
}