{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fiber&page=21",
    "query": {
      "intervention": "Fiber",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 871,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fiber&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fiber&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T22:32:26.425Z",
  "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": "NCT05025189",
      "title": "The Effect of Grape Consumption on Increasing the Good Bacteria in the Human Intestine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Table Grape Powder",
          "type": "OTHER"
        },
        {
          "name": "Beige Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "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": 20,
      "start_date": "2020-10-05",
      "completion_date": "2021-07-30",
      "has_results": false,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05025189"
    },
    {
      "nct_id": "NCT05693649",
      "title": "Behavioral Economic Approaches for Population-Based Colorectal Cancer Screening",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "No Direct Patient Outreach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Direct Patient Outreach: Colonoscopy Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Direct Patient Outreach: Sequential Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visit-Based Nudge/Text",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Nudge/Text",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "50 Years to 72 Years"
      },
      "enrollment_count": 20000,
      "start_date": "2023-06-07",
      "completion_date": "2026-12-21",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05693649"
    },
    {
      "nct_id": "NCT04552418",
      "title": "Intestinal Microbiome Modification With Resistant Starch in Patients Treated With Dual Immune Checkpoint Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Solid Tumor"
      ],
      "interventions": [
        {
          "name": "Potato starch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan Rogel 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": 12,
      "start_date": "2021-06-02",
      "completion_date": "2023-01-24",
      "has_results": false,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04552418"
    },
    {
      "nct_id": "NCT03837405",
      "title": "(R33 Phase) DELISH Study: Diabetes Education to Lower Insulin, Sugars, and Hunger",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Carbohydrate-restricted diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mindfuless",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2018-12-12",
      "completion_date": "2021-06-17",
      "has_results": true,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03837405"
    },
    {
      "nct_id": "NCT03400696",
      "title": "Web-based Weight Loss Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Lower carbohydrate diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Higher fiber diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical activity focused",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "23andMe, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 63656,
      "start_date": "2017-12-27",
      "completion_date": "2019-04-16",
      "has_results": false,
      "last_update_posted_date": "2020-06-04",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 2,
      "location_summary": "Mountain View, California",
      "locations": [
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03400696"
    },
    {
      "nct_id": "NCT04055246",
      "title": "Measuring Effects of Prebiotics on Human Behavior and Cognition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prebiotics and Human Behavior and Cognition"
      ],
      "interventions": [
        {
          "name": "Inulin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (maltodextrin)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 41,
      "start_date": "2019-06-04",
      "completion_date": "2020-03-23",
      "has_results": false,
      "last_update_posted_date": "2022-02-03",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04055246"
    },
    {
      "nct_id": "NCT00339469",
      "title": "Effect of High-Legume Diet on Colorectal Cancer Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Inflammation",
        "Prevention and Control",
        "Colonic Neoplasms",
        "Diet",
        "Insulin"
      ],
      "interventions": [
        {
          "name": "LIFE",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "35 Years to 75 Years · Male only"
      },
      "enrollment_count": 65,
      "start_date": "2005-08-03",
      "completion_date": "2018-02-13",
      "has_results": false,
      "last_update_posted_date": "2019-12-16",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00339469"
    },
    {
      "nct_id": "NCT06075914",
      "title": "Ketone Conferred Resiliency Against Sleep Restriction With Nutritional Intervention.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Deprivation",
        "Nutritional Intervention"
      ],
      "interventions": [
        {
          "name": "Ketogenic Intervention",
          "type": "OTHER"
        },
        {
          "name": "Mediterranean Intervention",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ketone Ester",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ohio State University",
      "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": 60,
      "start_date": "2023-05-01",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06075914"
    },
    {
      "nct_id": "NCT02622178",
      "title": "How Accurately Does the Diopsys Visual Evoked Potential (VEP) Vision Testing System Detect Glaucoma?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma Diagnosis"
      ],
      "interventions": [
        {
          "name": "Optical Coherence Tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Visual evoked potential",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 136,
      "start_date": "2011-09",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2018-11-15",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02622178"
    },
    {
      "nct_id": "NCT00691249",
      "title": "Resistant Starch on Glucose and Insulin Sensitivity in Individuals With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperglycemia"
      ],
      "interventions": [
        {
          "name": "Resistant Starch Type 4-Raw",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Resistant Starch Type 4-Cooked",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Shredded Wheat",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Kansas State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2008-05",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2009-07-02",
      "last_synced_at": "2026-10-19T22:32:26.425Z",
      "location_count": 1,
      "location_summary": "Manhattan, Kansas",
      "locations": [
        {
          "city": "Manhattan",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00691249"
    }
  ]
}