{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=27",
    "query": {
      "intervention": "Weight loss diet",
      "page": 27
    },
    "page_size": 10
  },
  "pagination": {
    "page": 27,
    "page_size": 10,
    "total_count": 893,
    "total_pages": 90,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=28&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=26&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T11:54:31.537Z",
  "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": "NCT00415688",
      "title": "Lifestyle Modification for Obesity-Related Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Low carbohydrate, ketogenic diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low glycemic index, reduced calorie diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Robert C. Atkins Foundation",
      "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": 90,
      "start_date": "2004-07",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2006-12-25",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00415688"
    },
    {
      "nct_id": "NCT02632461",
      "title": "Dietary Intervention Examining Tracking With Mobile Devices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Podcasts",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mobile Diet Application",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bite Counter",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Carolina",
      "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": 81,
      "start_date": "2015-12",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2019-04-18",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02632461"
    },
    {
      "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": "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": "2026-09-23",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "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": "NCT02656680",
      "title": "Facebook and Friends: Developing an Effective Online Social Network for Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Continuous Enrollment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Closed Enrollment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "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": 134,
      "start_date": "2018-02-01",
      "completion_date": "2020-03-31",
      "has_results": true,
      "last_update_posted_date": "2024-03-21",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02656680"
    },
    {
      "nct_id": "NCT03650088",
      "title": "Adaptation of a Digital Weight Loss Intervention Promoting Self-regulation for Use in Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Behavioral weight loss with digital tools",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 18,
      "start_date": "2019-10-20",
      "completion_date": "2021-02-26",
      "has_results": true,
      "last_update_posted_date": "2023-01-13",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03650088"
    },
    {
      "nct_id": "NCT00846040",
      "title": "Reduced Carbohydrate Versus Fat in Obese Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Reduced fat diet",
          "type": "OTHER"
        },
        {
          "name": "Reduced carbohydrate diet",
          "type": "OTHER"
        },
        {
          "name": "Drug: f-18 fallypride",
          "type": "DRUG"
        },
        {
          "name": "fMRI",
          "type": "DEVICE"
        },
        {
          "name": "PET",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 43,
      "start_date": "2009-02-13",
      "completion_date": "2014-10-20",
      "has_results": true,
      "last_update_posted_date": "2021-04-15",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00846040"
    },
    {
      "nct_id": "NCT04221750",
      "title": "Diet and Exercise Plus Metformin to Treat Frailty in Obese Seniors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Frailty",
        "Sarcopenic Obesity",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Lifestyle therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Metformin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Healthy Lifestyle",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 114,
      "start_date": "2021-05-14",
      "completion_date": "2025-07-31",
      "has_results": true,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04221750"
    },
    {
      "nct_id": "NCT01864447",
      "title": "Exercise Training After an Acute Blood Clot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "VTE"
      ],
      "interventions": [
        {
          "name": "VTE REHABILITATION: High-Caloric Expenditure Exercise Training (HCE) and The Dietary Behavioral Weight Loss Intervention (BWL)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "16 Years to 79 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-05",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-12-04",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01864447"
    },
    {
      "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": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06406985"
    },
    {
      "nct_id": "NCT03571048",
      "title": "Pilot Study of Time Restricted Feeding as a Weight Loss Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Reduced Calorie Diet (RCD)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Time Restricted Feeding (TRF)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 95,
      "start_date": "2018-06-01",
      "completion_date": "2020-11-12",
      "has_results": true,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-10-16T11:54:31.537Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03571048"
    }
  ]
}