{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Weight-loss",
    "query": {
      "intervention": "Dietary Weight-loss"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 891,
    "total_pages": 90,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Weight-loss&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T15:35:12.135Z",
  "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": "NCT03758638",
      "title": "Healthy Eating and Active Living Taught at Home (HEALTH) Dissemination & Implementation (D&I)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Healthy Eating & Active Living Taught at Home",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 620,
      "start_date": "2019-01-25",
      "completion_date": "2025-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03758638"
    },
    {
      "nct_id": "NCT01636635",
      "title": "Effect of Age and Weight Loss on Inflammation and Iron Homeostasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Calorie Restriction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 44,
      "start_date": "2011-03",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2015-11-16",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01636635"
    },
    {
      "nct_id": "NCT02063178",
      "title": "Dissemination of the Look Ahead Weight Management Treatment in the Military",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Phone-based sessions (28 total) on a structured schedule",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone-based sessions upon request",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight self-monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dietary and physical activity self-monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Scheduled tailored interventionist feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dietary goals",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Meal replacements",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical activity goals",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Toolbox",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Challenges",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored interventionist feedback upon request",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 248,
      "start_date": "2014-01-06",
      "completion_date": "2018-06",
      "has_results": true,
      "last_update_posted_date": "2019-02-28",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02063178"
    },
    {
      "nct_id": "NCT02520518",
      "title": "Does Dapagliflozin Promote Favorable Health Benefits That Are Independent Of Weight Loss?",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Weight maintenance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ad libitum dietary intake",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dietary restriction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Christopher Bell",
      "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": 9,
      "start_date": "2015-08",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2019-01-03",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02520518"
    },
    {
      "nct_id": "NCT02762708",
      "title": "The Effect of Bariatric Surgery on Metabolism, the Metabolome and Microbiome in Patients With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Roux-en-Y Gastric Bypass (RYGB)",
          "type": "PROCEDURE"
        },
        {
          "name": "Caloric Restriction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exendin-9,39",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2016-03",
      "completion_date": "2018-01-06",
      "has_results": true,
      "last_update_posted_date": "2022-05-03",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02762708"
    },
    {
      "nct_id": "NCT03091725",
      "title": "Postprandial Nutrient Homeostasis Before and After Weight Loss Induced by Low-calorie Diet or RYGB",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Roux-en-Y gastric bypass surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Low-calorie diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2017-04-25",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03091725"
    },
    {
      "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": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00581074"
    },
    {
      "nct_id": "NCT01985568",
      "title": "Optimal Timing of Exercise Initiation Within a Lifestyle Weight Loss Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Sequential BT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard BT",
          "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": 170,
      "start_date": "2013-11",
      "completion_date": "2018-09",
      "has_results": false,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01985568"
    },
    {
      "nct_id": "NCT01671397",
      "title": "Women's Health Project for Women Wanting to Lose Weight",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Diet and exercise counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diet, exercise, sleep hygiene counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Texas Tech University Health Sciences Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2012-09",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2014-05-01",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01671397"
    },
    {
      "nct_id": "NCT01781780",
      "title": "Study of the Effectiveness of Breakfast Recommendations On Reducing Body Weight",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Food Habits"
      ],
      "interventions": [
        {
          "name": "General Nutrition Recommendations",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Breakfast Recommendation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Breakfast Recommendation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "David Allison, Phd",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 309,
      "start_date": "2013-01",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-02-19",
      "last_synced_at": "2026-09-27T15:35:12.135Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • Denver, Colorado • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01781780"
    }
  ]
}