{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Controlled+diet",
    "query": {
      "intervention": "Controlled diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 2617,
    "total_pages": 262,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Controlled+diet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T20:28:28.646Z",
  "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": "NCT03146156",
      "title": "Lifestyle Intervention in Preparation for Pregnancy (LIPP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Lifestyle-related Condition",
        "Macrosomia, Fetal"
      ],
      "interventions": [
        {
          "name": "Lifestyle Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 99,
      "start_date": "2017-03-21",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-28",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 4,
      "location_summary": "Baton Rouge, Louisiana • Boston, Massachusetts • Cleveland, Ohio",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03146156"
    },
    {
      "nct_id": "NCT06656338",
      "title": "Phase 2 Seattle Dietary Biomarkers Development Center",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "Higher HEI-2020 diet followed by lower HEI-2020 diet",
          "type": "OTHER"
        },
        {
          "name": "Lower HEI-2020 diet followed by higher HEI-2020 diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Marian Neuhouser",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2025-03-18",
      "completion_date": "2026-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06656338"
    },
    {
      "nct_id": "NCT06097871",
      "title": "RCT of an Oral Acne Supplement for Adult Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acne"
      ],
      "interventions": [
        {
          "name": "Skin Nutraceutical Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Nutraceutical Wellness Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 102,
      "start_date": "2024-01-15",
      "completion_date": "2024-07-25",
      "has_results": false,
      "last_update_posted_date": "2024-09-25",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06097871"
    },
    {
      "nct_id": "NCT06451055",
      "title": "Low-calorie Diet in Isolated Impaired Fasting Glucose",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Isolated Impaired Fasting Glucose"
      ],
      "interventions": [
        {
          "name": "Low-calorie diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Routine dietary and physical activity habits",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "35 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2026-06-01",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06451055"
    },
    {
      "nct_id": "NCT02139787",
      "title": "Radio Stories About Children's Healthy Eating and Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Radio Story",
          "type": "OTHER"
        },
        {
          "name": "Control -listened to a brochure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 146,
      "start_date": "2012-09",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-09",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02139787"
    },
    {
      "nct_id": "NCT03064958",
      "title": "The Acute Effect of Spices on Vascular Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oxidative Stress"
      ],
      "interventions": [
        {
          "name": "Herbs and spices",
          "type": "OTHER"
        },
        {
          "name": "High fat meal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "40 Years to 65 Years · Male only"
      },
      "enrollment_count": 13,
      "start_date": "2016-09-13",
      "completion_date": "2018-03-29",
      "has_results": false,
      "last_update_posted_date": "2023-08-21",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03064958"
    },
    {
      "nct_id": "NCT01463085",
      "title": "Clinical Trial to Assess the Effects of Low-fat Dairy on Systolic Blood Pressure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Low-fat dairy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dairy Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "20 Years to 69 Years"
      },
      "enrollment_count": 65,
      "start_date": "2011-08",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2012-05-24",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "Glen Ellyn, Illinois",
      "locations": [
        {
          "city": "Glen Ellyn",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01463085"
    },
    {
      "nct_id": "NCT01494935",
      "title": "\"Effect of High Fat and High Glycemic Diets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "High Glycemic Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": "2011-04",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01494935"
    },
    {
      "nct_id": "NCT07515443",
      "title": "The Effects of a Commercially Available Synbiotic on the Gut Microbiome and Cardiometabolic Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Gut Dysbiosis",
        "Overweight , Obesity"
      ],
      "interventions": [
        {
          "name": "Synbiotic",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Southern Utah University",
      "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": 47,
      "start_date": "2025-09-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "Cedar, Utah",
      "locations": [
        {
          "city": "Cedar",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07515443"
    },
    {
      "nct_id": "NCT04947176",
      "title": "C15:0 Supplementation in Young Adults at Risk for Metabolic Syndrome",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Jeffrey B. Schwimmer, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-07-06",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-06-05",
      "last_synced_at": "2026-09-05T20:28:28.646Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04947176"
    }
  ]
}