{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+fiber+supplementation&page=2",
    "query": {
      "intervention": "Dietary fiber supplementation",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 53,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+fiber+supplementation&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+fiber+supplementation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T04:04:34.601Z",
  "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": "NCT03925597",
      "title": "Multiomic Signatures of Microbial Metabolites Following Prebiotic Fiber Supplementation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prebiotics"
      ],
      "interventions": [
        {
          "name": "Fiber cycles ARM 1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 2",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 4",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 5",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 6",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 7",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 8",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 9",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 10",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 11",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 12",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 13",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 14",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 15",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 16",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 17",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 18",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 19",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 20",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 21",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 22",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 23",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 24",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-01-21",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03925597"
    },
    {
      "nct_id": "NCT06032104",
      "title": "Feasibility and Colorectal Benefits of Pulses Supplementation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Polyp",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Dry beans",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Usual diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-10-27",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06032104"
    },
    {
      "nct_id": "NCT05138757",
      "title": "Pinpoint Trial: Prebiotics IN Peanut Oral ImmunoTherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Peanut Allergy"
      ],
      "interventions": [
        {
          "name": "Prebiotic",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-11-30",
      "completion_date": "2025-03-12",
      "has_results": true,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Hyde Park, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Hyde Park",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05138757"
    },
    {
      "nct_id": "NCT03673618",
      "title": "Soluble Corn Fiber Supplementation for Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma in Children"
      ],
      "interventions": [
        {
          "name": "Soluble Corn Fiber",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Phoenix Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 20,
      "start_date": "2019-09-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-03-31",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03673618"
    },
    {
      "nct_id": "NCT04101344",
      "title": "Fiber Blends and Gut Microbiota (FB)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gut Microbiome"
      ],
      "interventions": [
        {
          "name": "Two fiber-blend snack and four fiber-blend snack",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 14,
      "start_date": "2019-08-26",
      "completion_date": "2020-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04101344"
    },
    {
      "nct_id": "NCT01830686",
      "title": "Metabolic Effects of Short Term Sugarcane Bagasse Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Sugarcane bagasse",
          "type": "OTHER"
        },
        {
          "name": "Non-caloric, non-fermentable fiber",
          "type": "OTHER"
        },
        {
          "name": "Minimal fiber",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 23,
      "start_date": "2013-04",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2016-02-03",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01830686"
    },
    {
      "nct_id": "NCT02868788",
      "title": "Anti-inflammatory Effects of the Fiber",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "dietary fiber",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "HFHC meal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2016-06-14",
      "completion_date": "2018-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02868788"
    },
    {
      "nct_id": "NCT03998488",
      "title": "Examining the Efficacy of Fecal Microbiota Transplantation (FMT) and Dietary Fiber in Patients With Ulcerative Colitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ulcerative Colitis",
        "Inflammatory Bowel Diseases"
      ],
      "interventions": [
        {
          "name": "Fecal Microbiota Transplantation",
          "type": "DRUG"
        },
        {
          "name": "Psyllium Husk Powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 27,
      "start_date": "2020-01-31",
      "completion_date": "2024-04-12",
      "has_results": true,
      "last_update_posted_date": "2025-01-03",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03998488"
    },
    {
      "nct_id": "NCT07846254",
      "title": "The Effects of Daily Supplementation of a Soluble Fiber on the Fecal Microbiota in Volunteers.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "NUTRIOSE®",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Active comparator",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Roquette Freres",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-08-31",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07846254"
    },
    {
      "nct_id": "NCT05681559",
      "title": "Investigation of Medical Management to Prevent Episodes of Diverticulitis Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diverticulitis"
      ],
      "interventions": [
        {
          "name": "Medi for All",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Fiber Supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 71,
      "start_date": "2023-01-01",
      "completion_date": "2026-02-17",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-01T04:04:34.601Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05681559"
    }
  ]
}