{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=reduced+calorie+diet&page=2",
    "query": {
      "intervention": "reduced calorie diet",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 213,
    "total_pages": 22,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=reduced+calorie+diet&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=reduced+calorie+diet&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T16:55:51.055Z",
  "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": "NCT03704064",
      "title": "Behavioral Weight Loss and Stigma Reduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Stigma-Reduction Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Weight Loss (BWL)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "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": "2018-10-16",
      "completion_date": "2021-08-02",
      "has_results": true,
      "last_update_posted_date": "2022-11-02",
      "last_synced_at": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03704064"
    },
    {
      "nct_id": "NCT02505958",
      "title": "How Quickly Can the Effects of Excessive Caloric Intake on Insulin Resistance be Reversed?",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "high caloric intake",
          "type": "OTHER"
        },
        {
          "name": "reduced caloric intake",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1,
      "start_date": "2014-08",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-07-28",
      "last_synced_at": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02505958"
    },
    {
      "nct_id": "NCT03615690",
      "title": "The Influence of a Fasting Mimicking Diet on Ulcerative Colitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammatory Bowel Disease",
        "Diet Modification",
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Fasting Mimicking Diet",
          "type": "OTHER"
        },
        {
          "name": "Regular Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford 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": 75,
      "start_date": "2020-12-15",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03615690"
    },
    {
      "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": "2026-10-06T16:55:51.055Z",
      "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": "NCT07601061",
      "title": "Simplifying Diet Tracking in a Digital Weight Loss Intervention",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity",
        "Weight Loss",
        "Health Behavior",
        "Lifestyle Intervention"
      ],
      "interventions": [
        {
          "name": "Simplified Dietary Self-Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Detailed Dietary Self-Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Core Behavioral Weight Loss Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 328,
      "start_date": "2027-05-01",
      "completion_date": "2030-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07601061"
    },
    {
      "nct_id": "NCT02063451",
      "title": "Neurohormonal & Behavioral Correlates of Obesity and Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Very Low Calorie Diet (VLCD)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2011-02",
      "completion_date": "2013-01-15",
      "has_results": false,
      "last_update_posted_date": "2018-09-24",
      "last_synced_at": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02063451"
    },
    {
      "nct_id": "NCT04255953",
      "title": "Development of a Telehealth Obesity Intervention for Patients With MS: Modifying Diet and Exercise in MS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "behavioral telehealth",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as Usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Jared Bruce",
      "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": 70,
      "start_date": "2020-08-01",
      "completion_date": "2023-09-20",
      "has_results": false,
      "last_update_posted_date": "2023-11-30",
      "last_synced_at": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04255953"
    },
    {
      "nct_id": "NCT00108524",
      "title": "A Low-Carbohydrate, Ketogenic Diet Versus Orlistat for Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Low carbohydrate ketogenic diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Orlistat",
          "type": "DRUG"
        },
        {
          "name": "Low-fat diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 146,
      "start_date": "2004-07",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2014-04-17",
      "last_synced_at": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00108524"
    },
    {
      "nct_id": "NCT05004883",
      "title": "Solutions for Hunger And Regulating Eating",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Regulation of Cues Enhanced",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Weight Loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nutrition Education, Stress Management and Social Support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 293,
      "start_date": "2021-09-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05004883"
    },
    {
      "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": "2026-10-06T16:55:51.055Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01590433"
    }
  ]
}