{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Waist+Circumference",
    "query": {
      "intervention": "Waist Circumference"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 69,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Waist+Circumference&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T12:23:23.508Z",
  "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": "NCT01434979",
      "title": "Exertional Heat Illness: Biomarkers for Prediction and Return to Duty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heat Illness"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 148,
      "start_date": "2011-07",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2019-10-11",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01434979"
    },
    {
      "nct_id": "NCT04924400",
      "title": "Complete Health Improvement Program for Geisinger Health Plan Members With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "CHIP Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Thomas Morland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2022-03-09",
      "completion_date": "2023-01-10",
      "has_results": true,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04924400"
    },
    {
      "nct_id": "NCT00766311",
      "title": "Aerobic and Strengthening Exercise for Acute Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Gross Motor Function",
          "type": "OTHER"
        },
        {
          "name": "Knee extension strength",
          "type": "OTHER"
        },
        {
          "name": "Hand grip strength",
          "type": "OTHER"
        },
        {
          "name": "Flexibility",
          "type": "OTHER"
        },
        {
          "name": "Ankle range of motion",
          "type": "OTHER"
        },
        {
          "name": "Aerobic capacity",
          "type": "OTHER"
        },
        {
          "name": "Body composition and vital signs",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "5 Years to 10 Years"
      },
      "enrollment_count": 20,
      "start_date": "2008-01",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-01-09",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 4,
      "location_summary": "Portland, Oregon • Philadelphia, Pennsylvania • Memphis, Tennessee + 1 more",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00766311"
    },
    {
      "nct_id": "NCT02029989",
      "title": "Point-of-Care Testing (POCT) Detection and Management of Metabolic Syndrome in Patients With Mental Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperlipidemia",
        "Diabetes",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Glucose and lipids",
          "type": "DEVICE"
        },
        {
          "name": "Glycosylated Hemoglobin A1c",
          "type": "DEVICE"
        },
        {
          "name": "Blood Pressure and Heart Rate",
          "type": "DEVICE"
        },
        {
          "name": "Body mass index",
          "type": "DEVICE"
        },
        {
          "name": "Waist and Hip circumference",
          "type": "DEVICE"
        },
        {
          "name": "Comprehensive Medication Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 121,
      "start_date": "2010-02",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2024-04-04",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 1,
      "location_summary": "Duluth, Minnesota",
      "locations": [
        {
          "city": "Duluth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02029989"
    },
    {
      "nct_id": "NCT05587790",
      "title": "EMPOWER Rural Extension Weight Management Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Weight Management Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 16,
      "start_date": "2022-05-09",
      "completion_date": "2023-05-23",
      "has_results": false,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 3,
      "location_summary": "Freeport, Illinois • Hillsboro, Illinois • Marshall, Illinois",
      "locations": [
        {
          "city": "Freeport",
          "state": "Illinois"
        },
        {
          "city": "Hillsboro",
          "state": "Illinois"
        },
        {
          "city": "Marshall",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05587790"
    },
    {
      "nct_id": "NCT01283113",
      "title": "Evaluation of Intra-Abdominal Fat in Patients With Type 2 Diabetes Using a Non-Invasive Method",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Type 2 Diabetes",
        "Metabolic Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Joslin Diabetes Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 110,
      "start_date": "2010-08",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01283113"
    },
    {
      "nct_id": "NCT01821352",
      "title": "Study of Low Level Laser Therapy to Reduce Body Circumference in Obese Individuals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Erchonia Obesity Laser",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Laser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Erchonia Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 53,
      "start_date": "2013-03",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2015-12-11",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 2,
      "location_summary": "Noblesville, Indiana • Bloomfield Hills, Michigan",
      "locations": [
        {
          "city": "Noblesville",
          "state": "Indiana"
        },
        {
          "city": "Bloomfield Hills",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01821352"
    },
    {
      "nct_id": "NCT04514354",
      "title": "The Influence of Cardiorespiratory Fitness on Firefighter Cardiovascular Health Under Exercise Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Post-Exercise Hypotension"
      ],
      "interventions": [
        {
          "name": "GEST",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2015-04",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-14",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04514354"
    },
    {
      "nct_id": "NCT07322679",
      "title": "Dihydroberberine Effects on Body Composition and Metabolic Health in Healthy Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Adult Subjects"
      ],
      "interventions": [
        {
          "name": "Placebo （Microcrystalline Cellulose）",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dihydroberberine（DHB）",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Nanjing Nutrabuilding Bio-tech Co., Ltd.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "35 Years to 55 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-12-15",
      "completion_date": "2026-09-25",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07322679"
    },
    {
      "nct_id": "NCT06706856",
      "title": "Quantitative Ultrasound to Assess Steatotic Liver Disease in Children",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "MASLD",
        "MASLD - Metabolic Dysfunction-Associated Steatotic Liver Disease"
      ],
      "interventions": [
        {
          "name": "MR exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "US exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Physical measurements",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "9 Years to 18 Years"
      },
      "enrollment_count": 120,
      "start_date": "2024-09-23",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-09-06T12:23:23.508Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06706856"
    }
  ]
}