{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+fiber+diet",
    "query": {
      "intervention": "High fiber diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 151,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+fiber+diet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T03:05:17.015Z",
  "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": "NCT00023543",
      "title": "Reduction of Triglycerides in Women on Hormone Replacement Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Atherosclerosis",
        "Postmenopause",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Diet, fat-restricted",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "52 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "52 Years to 60 Years · Female only"
      },
      "enrollment_count": 508,
      "start_date": "2001-09",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2013-06-19",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00023543"
    },
    {
      "nct_id": "NCT03796286",
      "title": "A Randomized, Crossover Study to Assess the Effects of Dietary Fiber-containing Bars on Glucose and Insulin Responses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Glucose",
        "Insulin Sensitivity",
        "Dietary Fiber"
      ],
      "interventions": [
        {
          "name": "Medium-fiber bar",
          "type": "OTHER"
        },
        {
          "name": "High-fiber bar",
          "type": "OTHER"
        },
        {
          "name": "Control bar (0 g fiber)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Midwest Center for Metabolic and Cardiovascular Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 41,
      "start_date": "2018-12-14",
      "completion_date": "2019-02-27",
      "has_results": false,
      "last_update_posted_date": "2019-07-24",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 2,
      "location_summary": "Boca Raton, Florida • Chicago, Illinois",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03796286"
    },
    {
      "nct_id": "NCT00951756",
      "title": "Controlled Feeding Experiment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Effect of Diet on Microbiome Composition"
      ],
      "interventions": [
        {
          "name": "High fat diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "James Lewis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 10,
      "start_date": "2009-07",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2013-06-25",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00951756"
    },
    {
      "nct_id": "NCT03509571",
      "title": "Ketogenic Diet to Improve Neuro-recovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "Ketogenic Diet",
          "type": "OTHER"
        },
        {
          "name": "Standard Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State 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": 28,
      "start_date": "2019-05-09",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03509571"
    },
    {
      "nct_id": "NCT02977039",
      "title": "Effect of a Plant Rich Diet on in People With Type 2 Diabetes and Obesity",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus in Obese"
      ],
      "interventions": [
        {
          "name": "NDPR diet",
          "type": "OTHER"
        },
        {
          "name": "USDA healthy eating diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-11",
      "completion_date": "2020-06",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02977039"
    },
    {
      "nct_id": "NCT04645680",
      "title": "Diet and Immune Effects Trial: DIET- A Randomized Double Blinded Dietary Intervention Study in Patients With Metastatic Melanoma Receiving Immunotherapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clinical Stage III Cutaneous Melanoma AJCC v8",
        "Clinical Stage IV Cutaneous Melanoma AJCC v8",
        "Metastatic Melanoma",
        "Pathologic Stage III Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IV Cutaneous Melanoma AJCC v8",
        "Unresectable Melanoma",
        "Stage II Melanoma",
        "Uveal Melanoma",
        "Mucosal Melanoma",
        "Unresectable Clear Cell Renal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Dietary Intervention",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2020-06-24",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04645680"
    },
    {
      "nct_id": "NCT03472664",
      "title": "Brain Energy for Amyloid Transformation in Alzheimer's Disease Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "low carbohydrate/high fat diet",
          "type": "OTHER"
        },
        {
          "name": "low fat/high carbohydrate diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "55 Years to 85 Years"
      },
      "enrollment_count": 84,
      "start_date": "2018-07-16",
      "completion_date": "2024-09-13",
      "has_results": true,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03472664"
    },
    {
      "nct_id": "NCT07012317",
      "title": "A Trial to Assess Gastrointestinal Responses to Dietary Fibers in Adults Using Weight Loss Medications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastrointestinal Symptoms",
        "Weight Loss",
        "GLP-1"
      ],
      "interventions": [
        {
          "name": "High Fiber Bar with Inulin",
          "type": "OTHER"
        },
        {
          "name": "High Fiber bar with Fiber Blend",
          "type": "OTHER"
        },
        {
          "name": "High Fiber Bar with Resistant Starch type 4",
          "type": "OTHER"
        },
        {
          "name": "Low Fiber Bar",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Midwest Center for Metabolic and Cardiovascular Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "25 Years to 64 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-05-29",
      "completion_date": "2025-11-24",
      "has_results": false,
      "last_update_posted_date": "2026-01-08",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 2,
      "location_summary": "Miami Gardens, Florida • Port Saint Lucie, Florida",
      "locations": [
        {
          "city": "Miami Gardens",
          "state": "Florida"
        },
        {
          "city": "Port Saint Lucie",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07012317"
    },
    {
      "nct_id": "NCT01729078",
      "title": "Dietary Interventions in Prediabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Impaired Fasting Glucose",
        "Pre Diabetes",
        "Liver Fat"
      ],
      "interventions": [
        {
          "name": "Dietary intervention",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 48,
      "start_date": "2012-10",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2015-07-29",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01729078"
    },
    {
      "nct_id": "NCT04866810",
      "title": "The Effect of Diet and Exercise on ImmuNotherapy and the Microbiome (EDEN)",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Intervention Arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 24,
      "start_date": "2023-07-25",
      "completion_date": "2028-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-09-12T03:05:17.015Z",
      "location_count": 2,
      "location_summary": "Loma Linda, California • Bethesda, Maryland",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04866810"
    }
  ]
}