{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet",
    "query": {
      "intervention": "Weight loss diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 892,
    "total_pages": 90,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T06:09:09.811Z",
  "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": "NCT03573583",
      "title": "Time Course Adaptations Using Deuterated Creatine (D3Cr) Method",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "Resistance Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Successful Aging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2019-02-01",
      "completion_date": "2020-08-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03573583"
    },
    {
      "nct_id": "NCT00207272",
      "title": "Use of MCT Oil for Enhancement of Weight Loss in Obese Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "1170-1870 kcal/day liquid diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Gastric bypass surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy.visceral adipose tissue",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy.omental adipose tissue",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy. subcutaneous abdominal adipose tissue",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood sample",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "Boston Medical Center",
      "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": 24,
      "start_date": "2003-07",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2008-05-26",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00207272"
    },
    {
      "nct_id": "NCT01043718",
      "title": "Delivering an Evidence-Based Lifestyle Intervention Via the Internet: A Randomized Controlled Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "More-Intensive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Less-Intensive",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "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": 120,
      "start_date": "2010-03",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-14",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01043718"
    },
    {
      "nct_id": "NCT01017783",
      "title": "Trial of a Water Beverage Intervention for Promoting Modest Weight Reduction in Free Living Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Dietary substitution A",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dietary Substitution B",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Healthy Choices",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 318,
      "start_date": "2008-03",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2011-08-03",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01017783"
    },
    {
      "nct_id": "NCT02706288",
      "title": "Effects of a Calorie Restricted, Very Low Fat Plant-based Diet and Multi-component Exercise Program on Metabolic Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Weight loss with very low fat plant-based diet and regular exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 8,
      "start_date": "2016-03",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2022-12-08",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02706288"
    },
    {
      "nct_id": "NCT00377026",
      "title": "FirstWIND: Weight Loss Interventions After Delivery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "lifestyle intervention",
          "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": 50,
      "start_date": "2006-09",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2009-06-19",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00377026"
    },
    {
      "nct_id": "NCT00285558",
      "title": "Peer-enhanced Intervention to Support Teen Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "CBT with peer-enhanced activities",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CBT with supervised aerobic exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "13 Years to 16 Years"
      },
      "enrollment_count": 118,
      "start_date": "2003-08",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2017-10-06",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00285558"
    },
    {
      "nct_id": "NCT03489109",
      "title": "2-5 Intermittent Caloric Restriction in HIV",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Immunodeficiency Virus",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Intermittent fasting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 35,
      "start_date": "2018-05-09",
      "completion_date": "2021-12-17",
      "has_results": true,
      "last_update_posted_date": "2022-10-21",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03489109"
    },
    {
      "nct_id": "NCT00714506",
      "title": "Effects of a Weight Reduction and Lifestyle Program in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Functional Disability",
        "Obesity",
        "Physical Inactivity"
      ],
      "interventions": [
        {
          "name": "Diet and physical activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical activity control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "65 Years to 100 Years"
      },
      "enrollment_count": 36,
      "start_date": "2008-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-01-13",
      "last_synced_at": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "McKeesport, Pennsylvania",
      "locations": [
        {
          "city": "McKeesport",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00714506"
    },
    {
      "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": "2026-09-22T06:09:09.811Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04221750"
    }
  ]
}