{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=reduced+calorie+diet&page=4",
    "query": {
      "intervention": "reduced calorie diet",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 213,
    "total_pages": 22,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=reduced+calorie+diet&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=reduced+calorie+diet&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T03:28:13.766Z",
  "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": "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": "2026-10-04T03:28:13.766Z",
      "location_count": 1,
      "location_summary": "McKeesport, Pennsylvania",
      "locations": [
        {
          "city": "McKeesport",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00714506"
    },
    {
      "nct_id": "NCT01052714",
      "title": "Healthy Lifestyles for Mentally Ill People Who Have Experienced Weight Gain From Their Antipsychotic Medications - 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Obesity",
        "Weight Gain"
      ],
      "interventions": [
        {
          "name": "Lifestyle Balance",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 121,
      "start_date": "2010-09-01",
      "completion_date": "2015-05-28",
      "has_results": true,
      "last_update_posted_date": "2018-08-09",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 3,
      "location_summary": "Long Beach, California • Sepulveda, California • West Los Angeles, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Sepulveda",
          "state": "California"
        },
        {
          "city": "West Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01052714"
    },
    {
      "nct_id": "NCT04286555",
      "title": "Dietary Approaches to Stop Hypertension for Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Diabetes",
        "Diabetes type2",
        "Type2 Diabetes",
        "Type 2 Diabetes",
        "Type II Diabetes",
        "Hypertension",
        "High Blood Pressure"
      ],
      "interventions": [
        {
          "name": "DASH4D diet",
          "type": "OTHER"
        },
        {
          "name": "comparison diet",
          "type": "OTHER"
        },
        {
          "name": "higher sodium",
          "type": "OTHER"
        },
        {
          "name": "lower sodium",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2021-06-02",
      "completion_date": "2024-06-17",
      "has_results": true,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04286555"
    },
    {
      "nct_id": "NCT01590433",
      "title": "Weight Loss With Exenatide Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Exenatide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Dietary counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Jody Dushay",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 249,
      "start_date": "2012-03",
      "completion_date": "2019-01",
      "has_results": true,
      "last_update_posted_date": "2021-06-23",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01590433"
    },
    {
      "nct_id": "NCT02090478",
      "title": "The Effect of Dietary Sugar Consumption on Sweet Taste Perception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sweet Taste Perception"
      ],
      "interventions": [
        {
          "name": "Low sugar diet",
          "type": "OTHER"
        },
        {
          "name": "Sham diet manipulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Monell Chemical Senses Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2010-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-03-18",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02090478"
    },
    {
      "nct_id": "NCT01977885",
      "title": "Exercise-Induced Epigenetic Modifications in Obese Aging Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "High Protein Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Georgia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 64 Years · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2013-06",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-09-25",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 1,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01977885"
    },
    {
      "nct_id": "NCT02637271",
      "title": "Brain Response to Dietary Interventions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Low calorie total meal replacement",
          "type": "OTHER"
        },
        {
          "name": "Low calorie typical diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas Tech University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "19 Years to 60 Years"
      },
      "enrollment_count": 32,
      "start_date": "2016-01",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-09-02",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02637271"
    },
    {
      "nct_id": "NCT00766298",
      "title": "Skeletal Muscle Lipid and Insulin Resistance: Effects of Physical Activity and Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise and weight loss",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "60 Years to 75 Years"
      },
      "enrollment_count": 102,
      "start_date": "2004-06",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00766298"
    },
    {
      "nct_id": "NCT00846040",
      "title": "Reduced Carbohydrate Versus Fat in Obese Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Reduced fat diet",
          "type": "OTHER"
        },
        {
          "name": "Reduced carbohydrate diet",
          "type": "OTHER"
        },
        {
          "name": "Drug: f-18 fallypride",
          "type": "DRUG"
        },
        {
          "name": "fMRI",
          "type": "DEVICE"
        },
        {
          "name": "PET",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 43,
      "start_date": "2009-02-13",
      "completion_date": "2014-10-20",
      "has_results": true,
      "last_update_posted_date": "2021-04-15",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00846040"
    },
    {
      "nct_id": "NCT02518685",
      "title": "ENDObesity® II Study: TransPyloric Shuttle® System for Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "TransPyloric Shuttle",
          "type": "DEVICE"
        },
        {
          "name": "Sham procedure",
          "type": "DEVICE"
        },
        {
          "name": "Lifestyle Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "BaroNova, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "22 Years to 60 Years"
      },
      "enrollment_count": 302,
      "start_date": "2015-09",
      "completion_date": "2018-03",
      "has_results": true,
      "last_update_posted_date": "2019-07-17",
      "last_synced_at": "2026-10-04T03:28:13.766Z",
      "location_count": 9,
      "location_summary": "Scottsdale, Arizona • San Diego, California • Miami, Florida + 6 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02518685"
    }
  ]
}