{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=26",
    "query": {
      "intervention": "Weight loss diet",
      "page": 26
    },
    "page_size": 10
  },
  "pagination": {
    "page": 26,
    "page_size": 10,
    "total_count": 893,
    "total_pages": 90,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=27&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=25&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T11:05:43.131Z",
  "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": "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": "2026-10-16T11:05:43.131Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01240213"
    },
    {
      "nct_id": "NCT00581074",
      "title": "Effects of Grapefruit or Grapefruit Juice on Anthropometry, Dietary Intakes, Appetite, and Metabolic Profile in Overweight and Obese Young and Middle-Aged Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "diet (grapefruit or grapefruit juice)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 90,
      "start_date": "2006-03",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2011-07-27",
      "last_synced_at": "2026-10-16T11:05:43.131Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00581074"
    },
    {
      "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": "2026-10-16T11:05:43.131Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03835416"
    },
    {
      "nct_id": "NCT03248804",
      "title": "Effect of Soy Protein and Colorado Diet on Weight Loss and Maintenance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Soy group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-soy group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 71,
      "start_date": "2015-03-10",
      "completion_date": "2016-10-29",
      "has_results": false,
      "last_update_posted_date": "2018-11-07",
      "last_synced_at": "2026-10-16T11:05:43.131Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03248804"
    },
    {
      "nct_id": "NCT06079658",
      "title": "The Effects of Continuous vs. Intermittent Caloric Restriction on Fat Los",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Continuous Caloric Restriction versus Intermittent Caloric Restriction on Fat Loss",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Coastal Carolina University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2022-10-01",
      "completion_date": "2023-08-15",
      "has_results": false,
      "last_update_posted_date": "2023-10-12",
      "last_synced_at": "2026-10-16T11:05:43.131Z",
      "location_count": 1,
      "location_summary": "Conway, South Carolina",
      "locations": [
        {
          "city": "Conway",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06079658"
    },
    {
      "nct_id": "NCT00091988",
      "title": "Program to Reduce Incontinence by Diet and Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "Lifestyle & Behavioral Change Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Structured Education Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "30 Years and older · Female only"
      },
      "enrollment_count": 338,
      "start_date": "2004-07",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2020-04-16",
      "last_synced_at": "2026-10-16T11:05:43.131Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • San Francisco, California + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00091988"
    },
    {
      "nct_id": "NCT06508580",
      "title": "Optimizing Self-Monitoring Feedback for the Treatment of Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Component 1: Calorie Goal Attainment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Component 2: Diet Quality",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Component 3: Physical Activity Goal Attainment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Component 4: Goal Setting",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2024-07-23",
      "completion_date": "2025-02-03",
      "has_results": false,
      "last_update_posted_date": "2025-04-08",
      "last_synced_at": "2026-10-16T11:05:43.131Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06508580"
    },
    {
      "nct_id": "NCT04014296",
      "title": "Protein and Resistance Exercise to Stop Sarcopenic Obesity Now",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "High Protein Diet Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Resistance Training Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intensify Initial Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combined Supplement and Supervised Resistance Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "2021-04-12",
      "completion_date": "2024-05-31",
      "has_results": true,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-16T11:05:43.131Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04014296"
    },
    {
      "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": "2026-10-16T11:05:43.131Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03783962"
    },
    {
      "nct_id": "NCT02514889",
      "title": "Is MyPlate Approach to Helping Overweight Patients Lose Weight More Patient-centered?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Calorie-counting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MyPlate",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 261,
      "start_date": "2015-07-01",
      "completion_date": "2017-07-31",
      "has_results": true,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-10-16T11:05:43.131Z",
      "location_count": 2,
      "location_summary": "Long Beach, California • Los Angeles, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02514889"
    }
  ]
}