{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low+calorie+diet",
    "query": {
      "intervention": "low calorie diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 392,
    "total_pages": 40,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low+calorie+diet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T20:32:23.995Z",
  "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": "NCT07341841",
      "title": "Assessing Obesity Related Risk Factors in Adult Population: A Genetic and Behavioral Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity Prevention"
      ],
      "interventions": [
        {
          "name": "Diet and exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lifestyle Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Augusta 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": 100,
      "start_date": "2026-01-01",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-14",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07341841"
    },
    {
      "nct_id": "NCT03303534",
      "title": "Short-Term Endogenous Hydrogen Sulfide Upregulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Carotid Stenosis",
        "Caloric Restriction"
      ],
      "interventions": [
        {
          "name": "ScandiShake",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2017-09-14",
      "completion_date": "2018-06-01",
      "has_results": false,
      "last_update_posted_date": "2018-06-28",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03303534"
    },
    {
      "nct_id": "NCT00004307",
      "title": "Study of Treatment and Metabolism in Patients With Urea Cycle Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Amino Acid Metabolism, Inborn Errors"
      ],
      "interventions": [
        {
          "name": "Protein and calorie controlled diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ornithine transcarbamylase vector",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "GENETIC"
      ],
      "sponsor": "National Center for Research Resources (NCRR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "6 Months to 64 Years"
      },
      "enrollment_count": 66,
      "start_date": "1999-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004307"
    },
    {
      "nct_id": "NCT02432209",
      "title": "Improving Reproductive Fitness Through Pretreatment With Lifestyle Modification in Obese Women With Unexplained Infertility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infertility, Female"
      ],
      "interventions": [
        {
          "name": "Caloric Restriction",
          "type": "OTHER"
        },
        {
          "name": "Orlistat",
          "type": "DRUG"
        },
        {
          "name": "Moderate physical activity",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 379,
      "start_date": "2015-08",
      "completion_date": "2020-05",
      "has_results": true,
      "last_update_posted_date": "2022-02-03",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 10,
      "location_summary": "San Francisco, California • Augusta, Georgia • Southfield, Michigan + 7 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Southfield",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02432209"
    },
    {
      "nct_id": "NCT03085511",
      "title": "High Quality Protein for Assisting With Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Egg breakfast (EB)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Loss Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Loss Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cereal Breakfast (CB)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Texas Tech University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2017-08-20",
      "completion_date": "2019-05-17",
      "has_results": false,
      "last_update_posted_date": "2019-05-30",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03085511"
    },
    {
      "nct_id": "NCT02706288",
      "title": "Effects of a Calorie Restricted, Very Low Fat Plant-based Diet and Multi-component Exercise Program on Metabolic Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Weight loss with very low fat plant-based diet and regular exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 8,
      "start_date": "2016-03",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2022-12-08",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02706288"
    },
    {
      "nct_id": "NCT06377020",
      "title": "Prevention and Choice for Type 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes"
      ],
      "interventions": [
        {
          "name": "PACT2",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2024-04-10",
      "completion_date": "2025-05-20",
      "has_results": false,
      "last_update_posted_date": "2025-08-08",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06377020"
    },
    {
      "nct_id": "NCT03599115",
      "title": "Effects of Inhibitory Control Training in Eating Behaviors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Inhibitory Control Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham Young University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 105,
      "start_date": "2017-09-26",
      "completion_date": "2020-05-01",
      "has_results": false,
      "last_update_posted_date": "2020-07-08",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "Provo, Utah",
      "locations": [
        {
          "city": "Provo",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03599115"
    },
    {
      "nct_id": "NCT06350149",
      "title": "A Pilot and Feasibility Study to Evaluate High vs Low Glycemic Index Mixed Meal Tolerance Test in Adolescents and Young Adults With Cystic Fibrosis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Sugar Sweetened Beverages (SSB)",
          "type": "OTHER"
        },
        {
          "name": "Hi GI",
          "type": "OTHER"
        },
        {
          "name": "Lo GI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-03-22",
      "completion_date": "2025-09",
      "has_results": false,
      "last_update_posted_date": "2024-04-05",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06350149"
    },
    {
      "nct_id": "NCT01819233",
      "title": "Caloric Restriction in Treating Patients With Stage 0-I Breast Cancer Undergoing Surgery and Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ductal Breast Carcinoma in Situ",
        "Invasive Ductal Breast Carcinoma",
        "Invasive Lobular Breast Carcinoma",
        "Lobular Breast Carcinoma in Situ",
        "Recurrent Breast Cancer",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Behavioral dietary intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Counseling intervention",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 38,
      "start_date": "2013-03-08",
      "completion_date": "2019-09",
      "has_results": true,
      "last_update_posted_date": "2025-06-06",
      "last_synced_at": "2026-09-19T20:32:23.995Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01819233"
    }
  ]
}