{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ad+Libitum+Diet",
    "query": {
      "intervention": "Ad Libitum Diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ad+Libitum+Diet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T17:08:54.995Z",
  "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": "NCT05651620",
      "title": "The CALERIE™ Legacy Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Calorie Restriction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "33 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "33 Years to 70 Years"
      },
      "enrollment_count": 216,
      "start_date": "2023-04-06",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 3,
      "location_summary": "Baton Rouge, Louisiana • Boston, Massachusetts • St Louis, Missouri",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05651620"
    },
    {
      "nct_id": "NCT00943436",
      "title": "The Effects of Exercise on Dietary Intake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Active Lifestyle Males",
        "Inactive Lifestyle Males"
      ],
      "interventions": [
        {
          "name": "Exercise Session",
          "type": "OTHER"
        },
        {
          "name": "Rest Session",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2008-11",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2018-06-29",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00943436"
    },
    {
      "nct_id": "NCT05648344",
      "title": "WW Improving Nutrition Study: A Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "WW",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgia Southern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 376,
      "start_date": "2023-01-19",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-16",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Savannah, Georgia",
      "locations": [
        {
          "city": "Savannah",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05648344"
    },
    {
      "nct_id": "NCT02068885",
      "title": "Framingham State Food Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Diabetes",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Feeding study",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Children's Hospital",
      "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": 234,
      "start_date": "2014-08-17",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Framingham, Massachusetts",
      "locations": [
        {
          "city": "Framingham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02068885"
    },
    {
      "nct_id": "NCT00619008",
      "title": "Energy Balance Weight Regulation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Ad libitum low carbohydrate diet",
          "type": "OTHER"
        },
        {
          "name": "Ad libitum High Complex Carbohydrate Diet",
          "type": "OTHER"
        },
        {
          "name": "Energy-restricted high complex carbohydrate diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 35,
      "start_date": "2005-04",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2008-10-03",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00619008"
    },
    {
      "nct_id": "NCT04997486",
      "title": "The Effect of Time-restricted Eating on Liver Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "NAFLD",
        "Obesity",
        "Nutritional and Metabolic Diseases"
      ],
      "interventions": [
        {
          "name": "Time restricted eating",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 5,
      "start_date": "2021-07-20",
      "completion_date": "2024-03-07",
      "has_results": false,
      "last_update_posted_date": "2024-11-25",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04997486"
    },
    {
      "nct_id": "NCT05551091",
      "title": "Glycomacropeptide and Women's Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "glycomacropeptide (GMP)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "Up to 90 Years · Female only"
      },
      "enrollment_count": 13,
      "start_date": "2019-04-09",
      "completion_date": "2022-07-05",
      "has_results": false,
      "last_update_posted_date": "2022-10-03",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05551091"
    },
    {
      "nct_id": "NCT05424042",
      "title": "Health, Aging and Later-Life Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "In-Person Caloric Restriction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Remote Caloric Restriction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Time-restricted",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2022-07-05",
      "completion_date": "2024-07-22",
      "has_results": true,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05424042"
    },
    {
      "nct_id": "NCT00064844",
      "title": "Combination Nicotine Replacement for Alcoholic Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavior Therapy for alcohol and smoking cessation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicoderm CQ nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo gum",
          "type": "DRUG"
        },
        {
          "name": "Nicotine gum - Nicorette®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2002-08",
      "completion_date": "2006-07",
      "has_results": true,
      "last_update_posted_date": "2021-08-13",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Newington, Connecticut",
      "locations": [
        {
          "city": "Newington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064844"
    },
    {
      "nct_id": "NCT00475475",
      "title": "Sweetened Beverages and Food Intake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Fructose",
          "type": "BEHAVIORAL"
        },
        {
          "name": "glucose",
          "type": "BEHAVIORAL"
        },
        {
          "name": "non-caloric sweetener",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 10,
      "start_date": "2007-05",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-05-02",
      "last_synced_at": "2026-09-08T17:08:54.995Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00475475"
    }
  ]
}