{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+carbohydrate+and+low+glycemic+index+%28GI%29+diet",
    "query": {
      "intervention": "High carbohydrate and low glycemic index (GI) diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T05:29:18.024Z",
  "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": "NCT00608049",
      "title": "Effect of Amount and Type of Dietary Carbohydrates on Risk for Cardiovascular Heart Disease and Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "High carbohydrate and low glycemic index (GI) diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low carbohydrate and low GI diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High carbohydrate and high GI diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low carbohydrate and high GI diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 189,
      "start_date": "2008-02",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-10-11T05:29:18.024Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Boston, Massachusetts",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00608049"
    },
    {
      "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": "2026-10-11T05:29:18.024Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06350149"
    },
    {
      "nct_id": "NCT01064778",
      "title": "Glycemic Index and Brain Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Low GI",
          "type": "OTHER"
        },
        {
          "name": "High GI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2010-02",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2012-02-02",
      "last_synced_at": "2026-10-11T05:29:18.024Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01064778"
    },
    {
      "nct_id": "NCT00422630",
      "title": "The Metabolic Effects of Different Weight Loss Diets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome X",
        "Obesity",
        "Insulin Resistance",
        "Hypertension",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "The DASH diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "The low glycemic Index Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced calorie American Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rockefeller 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": 18,
      "start_date": "2007-10",
      "completion_date": "2010-02",
      "has_results": false,
      "last_update_posted_date": "2011-10-13",
      "last_synced_at": "2026-10-11T05:29:18.024Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00422630"
    },
    {
      "nct_id": "NCT02772783",
      "title": "Dietary Glycemic Index, Brain Function and Food Intake in Patients With Type 1 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "high GI meal",
          "type": "OTHER"
        },
        {
          "name": "low GI meal",
          "type": "OTHER"
        },
        {
          "name": "euglycemic insulin clamp",
          "type": "DRUG"
        },
        {
          "name": "primed-variable insulin infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2016-07",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2021-06-18",
      "last_synced_at": "2026-10-11T05:29:18.024Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02772783"
    },
    {
      "nct_id": "NCT01068197",
      "title": "Low Glycemic Load Diets in Latino Children at Risk for Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Obesity",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Low Glycemic Load Diet versus Low Fat Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nazrat Mirza",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "7 Years to 14 Years"
      },
      "enrollment_count": 113,
      "start_date": "2003-10",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2014-09-09",
      "last_synced_at": "2026-10-11T05:29:18.024Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01068197"
    },
    {
      "nct_id": "NCT01516333",
      "title": "Replace Glycemic Load and Satiety Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glucose Blood",
        "Glycemic Index"
      ],
      "interventions": [
        {
          "name": "High GL 107",
          "type": "OTHER"
        },
        {
          "name": "Medium GL 76",
          "type": "OTHER"
        },
        {
          "name": "Medium GL 68",
          "type": "OTHER"
        },
        {
          "name": "Low GL 48",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "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": 26,
      "start_date": "2007-02",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2015-12-18",
      "last_synced_at": "2026-10-11T05:29:18.024Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01516333"
    }
  ]
}