{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection-Stool&page=8",
    "query": {
      "intervention": "Biospecimen Collection-Stool",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 194,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection-Stool&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection-Stool&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T01:42:41.830Z",
  "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": "NCT03990350",
      "title": "Gut Microbiota Composition in Hispanic and Non-Hispanic Children.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Fecal Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Physical Activity Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Food Frequency Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "24-hour dietary recall diary",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nemours Children's Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 17,
      "start_date": "2019-06-14",
      "completion_date": "2020-06-15",
      "has_results": false,
      "last_update_posted_date": "2020-06-30",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03990350"
    },
    {
      "nct_id": "NCT03557749",
      "title": "Monitoring of Immune and Microbial Reconstitution in (HCT) and Novel Immunotherapies",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immune and Microbial Reconstitution",
        "Systemic Viral Infection",
        "Acute-graft-versus-host Disease",
        "Chronic Graft-versus-host-disease",
        "Recurrent Malignancy",
        "Cytokine Release Syndrome",
        "Allogenic Related Donors",
        "Cell Therapy/Immunotherapy Patients"
      ],
      "interventions": [
        {
          "name": "Blood Sample",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Stool Sample",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine Sample",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bronchoalveolar Lavage (BAL) fluid",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Gastrointestinal biopsy x 2-4",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin biopsy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin, mouth, and/or ocular swab",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Apheresis Product",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Final cellular product",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 210,
      "start_date": "2018-09-21",
      "completion_date": "2023-08-15",
      "has_results": false,
      "last_update_posted_date": "2023-08-21",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03557749"
    },
    {
      "nct_id": "NCT04954885",
      "title": "Evaluating Modifiable Biomarkers for the Prediction of Immunotherapy Response and Toxicity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Non-Squamous Non-Small Cell Carcinoma",
        "Stage IIIB Lung Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive 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": 2,
      "start_date": "2021-05-18",
      "completion_date": "2022-10-12",
      "has_results": false,
      "last_update_posted_date": "2025-01-27",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04954885"
    },
    {
      "nct_id": "NCT02188381",
      "title": "The Role of Gut Microbiota in Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Stool Sample and Blood Sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 292,
      "start_date": "2014-07",
      "completion_date": "2020-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02188381"
    },
    {
      "nct_id": "NCT01716533",
      "title": "Evaluation of the Immune Response to Clostridium Difficile in Adults With Clostridium Difficile Infection (CDI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infections, Clostridium Difficile"
      ],
      "interventions": [
        {
          "name": "Blood sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "Stool sample collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2013-02-02",
      "completion_date": "2015-06-01",
      "has_results": true,
      "last_update_posted_date": "2019-06-07",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 3,
      "location_summary": "Little Rock, Arkansas • Boston, Massachusetts • Houston, Texas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01716533"
    },
    {
      "nct_id": "NCT04428866",
      "title": "Mechanisms of Post-Bariatric Hypoglycemia",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoglycemia"
      ],
      "interventions": [
        {
          "name": "Continuous Glucose Monitoring",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "activity monitor",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Mixed meal tolerance test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Glucagon Sensitivity Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hypoglycemic Hyperinsulinemic Clamp",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "analysis of fecal microbiome",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Joslin Diabetes 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": 105,
      "start_date": "2020-02-26",
      "completion_date": "2024-09",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04428866"
    },
    {
      "nct_id": "NCT05196061",
      "title": "Human Skin and Gut Mycobiome and Bacteriome Comprehensive Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Stool sample",
          "type": "OTHER"
        },
        {
          "name": "Skin swab",
          "type": "OTHER"
        },
        {
          "name": "Oral rinse",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2020-01-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05196061"
    },
    {
      "nct_id": "NCT06001762",
      "title": "TRADE: Dose Escalation Tolerability of Abemaciclib in HR+ HER2- Early Stage Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Early-stage Breast Cancer",
        "High Risk Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        },
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        },
        {
          "name": "Anastrozole",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Exemestane",
          "type": "DRUG"
        },
        {
          "name": "LHRH Agonist",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2023-10-05",
      "completion_date": "2027-01-01",
      "has_results": true,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 12,
      "location_summary": "Stamford, Connecticut • Brewer, Maine • Scarborough, Maine + 7 more",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Brewer",
          "state": "Maine"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06001762"
    },
    {
      "nct_id": "NCT05347407",
      "title": "Parkinson's Disease Biomarkers in Nerve Cells in the Gut",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Colonoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2020-12-30",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05347407"
    },
    {
      "nct_id": "NCT04804137",
      "title": "Immune Response Under Immunotherapy in Metastatic NSCLC: Sputum, Blood Samples and Microbioata Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-squamous Lung Cancer",
        "Metastatic Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Blood",
          "type": "OTHER"
        },
        {
          "name": "sputum",
          "type": "OTHER"
        },
        {
          "name": "saliva",
          "type": "OTHER"
        },
        {
          "name": "stool",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University Hospital, Tours",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2021-05-03",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-17",
      "last_synced_at": "2026-10-26T01:42:41.830Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04804137"
    }
  ]
}