{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=4",
    "query": {
      "intervention": "Weight loss diet",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 893,
    "total_pages": 90,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T06:35:12.631Z",
  "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": "NCT00955903",
      "title": "Calorie Restriction and Changes in Body Composition, Disease, Function, and Quality of Life in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity",
        "Diabetes",
        "Hypertension",
        "Hyperlipidemia"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced Calorie Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Maintenance Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 167,
      "start_date": "2010-06",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2017-09-05",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00955903"
    },
    {
      "nct_id": "NCT04847973",
      "title": "Food As Medicine for Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Malnutrition"
      ],
      "interventions": [
        {
          "name": "Medically-Tailored Meals (MTMs)",
          "type": "OTHER"
        },
        {
          "name": "Protein supplementation shakes",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2021-04-16",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04847973"
    },
    {
      "nct_id": "NCT04186260",
      "title": "A Gender and Culturally Specific Approach to Reduce NAFLD in Mexican-American Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "NAFLD"
      ],
      "interventions": [
        {
          "name": "NAFLD-specific weight loss intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wait-list control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "MALE",
        "summary": "18 Years to 64 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2024-02-05",
      "completion_date": "2025-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04186260"
    },
    {
      "nct_id": "NCT07152470",
      "title": "An Open Label 100 Person Study Evaluating a Natural Supplement for Weight Loss and Fat Loss.",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Diet and Exercise Tracking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Prostasis, LLC, dba Tonum Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-01-26",
      "completion_date": "2025-12-26",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "West Palm Beach, Florida",
      "locations": [
        {
          "city": "West Palm Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07152470"
    },
    {
      "nct_id": "NCT03783962",
      "title": "Examining Cooking as a Health Behavior",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Active Intervention - Cooking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Demonstrations - Cooking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2018-11-01",
      "completion_date": "2019-09-30",
      "has_results": true,
      "last_update_posted_date": "2021-05-17",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03783962"
    },
    {
      "nct_id": "NCT00315146",
      "title": "Optimizing Body Composition for Function in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity",
        "Overweight With Indications for Weight Loss"
      ],
      "interventions": [
        {
          "name": "Pioglitazone",
          "type": "DRUG"
        },
        {
          "name": "Resistance exercise training to maximize muscle power",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Hypocaloric diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "65 Years to 79 Years"
      },
      "enrollment_count": 88,
      "start_date": "2006-04",
      "completion_date": "2007-04",
      "has_results": true,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00315146"
    },
    {
      "nct_id": "NCT01240213",
      "title": "Vitamin D, Diet and Activity Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Obesity",
        "Hypovitaminosis D"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 75 Years · Female only"
      },
      "enrollment_count": 218,
      "start_date": "2010-10",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-08-07",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01240213"
    },
    {
      "nct_id": "NCT03679260",
      "title": "Carbohydrate Restricted Diet Intervention for Men on Prostate Cancer Active Surveillance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Carbohydrate restricted diet",
          "type": "OTHER"
        },
        {
          "name": "Non-restricted diet",
          "type": "OTHER"
        },
        {
          "name": "Phone counseling with dietitian",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 22,
      "start_date": "2018-09-25",
      "completion_date": "2023-03-24",
      "has_results": false,
      "last_update_posted_date": "2023-03-30",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03679260"
    },
    {
      "nct_id": "NCT07095543",
      "title": "Plant-Based Online Weight Loss Through Education and Resources Program and Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Overweight and Obese Adults"
      ],
      "interventions": [
        {
          "name": "Low-fat, vegan diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Physicians Committee for Responsible Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-01-02",
      "completion_date": "2028-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07095543"
    },
    {
      "nct_id": "NCT06406985",
      "title": "Developing a Weight Management Class as a Recruitment Tool for an Online Weight Loss Program to Rural Illinois Residents",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Weight-loss through dietary and lifestyle changes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2024-05-07",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-06-03",
      "last_synced_at": "2026-10-08T06:35:12.631Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06406985"
    }
  ]
}