{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Healthy+Gut+Microbiota&page=4",
    "query": {
      "condition": "Healthy Gut Microbiota",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 89,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Healthy+Gut+Microbiota&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Healthy+Gut+Microbiota&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T21:02:57.869Z",
  "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": "NCT06313580",
      "title": "Spices for Cultivating a Healthy Gut Microbiome and Cardiometabolic Profile",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiometabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Yogurt with added Spices",
          "type": "OTHER"
        },
        {
          "name": "Yogurt without added Spices",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama, Tuscaloosa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "69 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 69 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2023-01-01",
      "completion_date": "2025-06",
      "has_results": false,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "Tuscaloosa, Alabama",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06313580"
    },
    {
      "nct_id": "NCT01473368",
      "title": "Effects of S. Boulardii and Amoxicillin/Clavulanate on Gut Microbiota",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Saccharomyces boulardii",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Amoxicillin Clavulanate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "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": 53,
      "start_date": "2012-04",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01473368"
    },
    {
      "nct_id": "NCT06564285",
      "title": "The Effects of a Novel Nutritional Product on Nutrient Gaps and Gut Health in Adults With Occasional Gastrointestinal Issues",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastrointestinal Microbiome",
        "Nutrition, Healthy"
      ],
      "interventions": [
        {
          "name": "AG1 - Nutritional Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Athletic Greens International",
      "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": 24,
      "start_date": "2024-08-28",
      "completion_date": "2025-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06564285"
    },
    {
      "nct_id": "NCT05930197",
      "title": "Effect of Bismuth Subsalicylate on the Gut Microbiome and Host Response in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "Bismuth subsalicylate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 34,
      "start_date": "2023-08-31",
      "completion_date": "2024-12-15",
      "has_results": true,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05930197"
    },
    {
      "nct_id": "NCT03049631",
      "title": "Red Raspberry Polyphenols on Gut Microbiome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Subjects",
        "Pre-diabetes"
      ],
      "interventions": [
        {
          "name": "Raspberry and fructooligosaccharide",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Raspberry",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "20 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2017-05-18",
      "completion_date": "2020-07-06",
      "has_results": false,
      "last_update_posted_date": "2020-07-14",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03049631"
    },
    {
      "nct_id": "NCT04111471",
      "title": "The Use of A Prebiotic to Promote a Healthy Gut Microbiome in Pediatric Stem Cell Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Microbial Colonization"
      ],
      "interventions": [
        {
          "name": "Prebiotics",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebos",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 5,
      "start_date": "2019-10-31",
      "completion_date": "2024-11-18",
      "has_results": false,
      "last_update_posted_date": "2024-11-21",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04111471"
    },
    {
      "nct_id": "NCT05304403",
      "title": "The Association of Microbiome Patterns With Chronic Opioid Use",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain",
        "Opioid Use"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2022-04-01",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05304403"
    },
    {
      "nct_id": "NCT01973595",
      "title": "Almonds: Digestive Health and Immune Function of Adults and Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Almonds, Then no almonds",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "No Almonds, Then almonds",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "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": 58,
      "start_date": "2013-12",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2016-05-26",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01973595"
    },
    {
      "nct_id": "NCT04783142",
      "title": "A Study to Evaluate the Influence of Diet on GI Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "High-fiber, low-protein diet",
          "type": "OTHER"
        },
        {
          "name": "Low-fiber, high-protein diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-06-11",
      "completion_date": "2023-03-27",
      "has_results": false,
      "last_update_posted_date": "2023-05-15",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 2,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04783142"
    },
    {
      "nct_id": "NCT01822977",
      "title": "The Impact of Proton Pump Inhibitors on the Fecal Microbiome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy",
        "Clostridium Difficile Infection"
      ],
      "interventions": [
        {
          "name": "omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2013-03",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-08-20",
      "last_synced_at": "2026-10-04T21:02:57.869Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01822977"
    }
  ]
}