{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=18",
    "query": {
      "intervention": "Weight loss diet",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 893,
    "total_pages": 90,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+loss+diet&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T03:45:45.050Z",
  "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": "NCT05985486",
      "title": "Brain Outcomes With Lifestyle Change in Down Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Down Syndrome",
        "Alzheimer Disease",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 81,
      "start_date": "2024-10-22",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985486"
    },
    {
      "nct_id": "NCT05156762",
      "title": "Total Joint Arthroplasty (TJA) Weight Loss Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Hip",
        "Osteoarthritis, Knee",
        "Obesity, Morbid"
      ],
      "interventions": [
        {
          "name": "Bariatric surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical weight loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient research surveys",
          "type": "OTHER"
        },
        {
          "name": "Total joint arthroplasty (TJA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Usual standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Boston 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": 3,
      "start_date": "2022-10-03",
      "completion_date": "2025-09-07",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05156762"
    },
    {
      "nct_id": "NCT07292389",
      "title": "Examining Valence-based Effects in Self-Monitoring Feedback Messages",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity & Overweight",
        "Obesity (Disorder)"
      ],
      "interventions": [
        {
          "name": "Positive Reinforcement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Positive Reinforcement + Areas for Change",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2026-03-23",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07292389"
    },
    {
      "nct_id": "NCT01547182",
      "title": "Cooperative Lifestyle Programs (CLIP-II)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease",
        "Obesity",
        "Physical Disability"
      ],
      "interventions": [
        {
          "name": "Caloric restriction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Aerobic Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Resistance Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "60 Years to 79 Years"
      },
      "enrollment_count": 249,
      "start_date": "2012-03",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2018-08-15",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 3,
      "location_summary": "Kernersville, North Carolina • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Kernersville",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01547182"
    },
    {
      "nct_id": "NCT00571844",
      "title": "ENCORE: Exercise and Nutritional Interventions for Cardiovascular Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "DASH diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DASH diet plus Weight loss",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 144,
      "start_date": "2003-10",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2014-07-14",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00571844"
    },
    {
      "nct_id": "NCT05764330",
      "title": "Weight Loss Interventions to Reduce Cancer Progression in Prostate Cancer Patients Under Active Surveillance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dietary Intervention",
          "type": "OTHER"
        },
        {
          "name": "Fasting",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 20,
      "start_date": "2024-04-24",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-06",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05764330"
    },
    {
      "nct_id": "NCT04633811",
      "title": "Effect of Weight Loss on Urinary Oxalate Excretion in Obese Calcium Oxalate Kidney Stone Formers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Low Oxalate Diet before Weight Loss",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Oral load of oxalate and sucralose before Weight Loss",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Optifast VLCD Program",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Optifast VLCD Transition Phase",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low Oxalate Diet after Weight Loss",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Oral load of oxalate and sucralose after Weight Loss",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-12-03",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04633811"
    },
    {
      "nct_id": "NCT01673698",
      "title": "A Prospective, Randomized Multicenter Study to Evaluate the Safety and Efficacy of the ReShape Duo™ Intragastric Balloon System in Obese Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "ReShape Duo balloon",
          "type": "DEVICE"
        },
        {
          "name": "Diet counseling",
          "type": "OTHER"
        },
        {
          "name": "Exercise counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "ReShape Lifesciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 326,
      "start_date": "2012-08",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2015-12-07",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 8,
      "location_summary": "Scottsdale, Arizona • Dalton, Georgia • Marquette, Michigan + 5 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Dalton",
          "state": "Georgia"
        },
        {
          "city": "Marquette",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01673698"
    },
    {
      "nct_id": "NCT06998238",
      "title": "Evaluating the Influence of Diet-induced Weight Loss on Fat (Adipose) Tissue's Insulin Sensitivity and Testosterone Synthesis in Women With Overweight or Obesity, Insulin Resistance, and Hyperandrogenemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Hyperandrogenemia",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Mediterranean-based, carbohydrate restricted, calorie reduced diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 8,
      "start_date": "2024-01-07",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06998238"
    },
    {
      "nct_id": "NCT01131871",
      "title": "Innovative Approaches to Diet, Exercise and Activity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Body Weight"
      ],
      "interventions": [
        {
          "name": "Standard Behavioral Weight Loss Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Weight Loss Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 471,
      "start_date": "2010-09",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-08-05",
      "last_synced_at": "2026-10-15T03:45:45.050Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01131871"
    }
  ]
}