{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stool+Microbiome",
    "query": {
      "condition": "Stool Microbiome"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stool+Microbiome&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T07:53:15.506Z",
  "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": "NCT02398708",
      "title": "Comparison of Gut Microbiota, Inflammation and Symptoms Following Allogeneic HSCT",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Graft vs Host Disease",
        "Graft Versus Host Disease",
        "Hematopoietic Stem Cell Transplantation",
        "Peripheral Blood Stem Cell Transplantation"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Blood Sample",
          "type": "OTHER"
        },
        {
          "name": "Stool Sample",
          "type": "OTHER"
        },
        {
          "name": "Clinical data",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2015-05",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2019-01-25",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02398708"
    },
    {
      "nct_id": "NCT03538600",
      "title": "Sample Collection From Healthy Volunteers for Assay Optimization",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "3 Years to 80 Years"
      },
      "enrollment_count": 600,
      "start_date": "2018-06-28",
      "completion_date": "2043-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03538600"
    },
    {
      "nct_id": "NCT03970200",
      "title": "Penn Microbiome Therapy (PMT) for Severe-Clostridium Difficile Infection (CDI)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Severe Clostridium Difficile Infection",
        "Severe-Complicated/Fulminant Clostridium Difficile Infection"
      ],
      "interventions": [
        {
          "name": "Penn Microbiome Therapy - 001",
          "type": "DRUG"
        },
        {
          "name": "Penn Microbiome Therapy - 002",
          "type": "DRUG"
        },
        {
          "name": "Penn Microbiome Therapy - 003",
          "type": "DRUG"
        },
        {
          "name": "Antibiotics",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2020-01-16",
      "completion_date": "2022-05-14",
      "has_results": true,
      "last_update_posted_date": "2023-10-30",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03970200"
    },
    {
      "nct_id": "NCT07388264",
      "title": "Impact of Weizmannia (Bacillus) Coagulans JBI-YZ6.3 on Gut Health and Fecal Microbiome Changes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastrointestinal Symptoms",
        "Constipation",
        "Gut Health",
        "Gastrointestinal Function"
      ],
      "interventions": [
        {
          "name": "Weizmannia (Bacillus) coagulans JBI-YZ6.3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Lindenwood University",
      "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": 30,
      "start_date": "2025-06-15",
      "completion_date": "2026-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07388264"
    },
    {
      "nct_id": "NCT02046525",
      "title": "Autologous Fecal Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infectious Disease of Digestive Tract"
      ],
      "interventions": [
        {
          "name": "Autologous fecal microbiota therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 10,
      "start_date": "2014-03",
      "completion_date": "2018-12",
      "has_results": true,
      "last_update_posted_date": "2019-06-04",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02046525"
    },
    {
      "nct_id": "NCT04264923",
      "title": "Evaluation of Stool Microbiome Using HyGIeaCare Prep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stool Microbiome"
      ],
      "interventions": [
        {
          "name": "HyGIeaCare Prep",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "HyGIeaCare, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 14,
      "start_date": "2019-06-27",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-07-31",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04264923"
    },
    {
      "nct_id": "NCT04877262",
      "title": "Effects of Time-restricted Eating on Nutrient Absorption in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Digestibility"
      ],
      "interventions": [
        {
          "name": "weight maintenance diet (WMD)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "20 Years to 45 Years"
      },
      "enrollment_count": 17,
      "start_date": "2021-12-01",
      "completion_date": "2022-06-10",
      "has_results": false,
      "last_update_posted_date": "2022-06-23",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04877262"
    },
    {
      "nct_id": "NCT03051204",
      "title": "OptiCal Study -Optimizing Fecal Calprotectin Monitoring: a Clinical Study Comparing CalproLab Against PhiCal and Evaluating Its Association With the Gut Microbiome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Crohn Disease",
        "Ulcerative Colitis",
        "Irritable Bowel Syndrome",
        "Celiac Disease",
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "4 Years to 65 Years"
      },
      "enrollment_count": 175,
      "start_date": "2017-02-28",
      "completion_date": "2018-12-11",
      "has_results": false,
      "last_update_posted_date": "2023-09-22",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03051204"
    },
    {
      "nct_id": "NCT02677649",
      "title": "Microbiota Diversity and Composition and Polyphenol Bioavailability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fecal Microbiota"
      ],
      "interventions": [
        {
          "name": "cranberry",
          "type": "OTHER"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 11,
      "start_date": "2015-12",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2017-02-23",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02677649"
    },
    {
      "nct_id": "NCT03907501",
      "title": "Effects of Triphala and VSL#3 Probiotic Supplementation on Stool Microbiome Profiles and Inflammation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Microbiome"
      ],
      "interventions": [
        {
          "name": "Synbiotic",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Probiotic",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2019-02-01",
      "completion_date": "2021-07-12",
      "has_results": true,
      "last_update_posted_date": "2023-07-06",
      "last_synced_at": "2026-06-27T07:53:15.506Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03907501"
    }
  ]
}