{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Gut+-Microbiota",
    "query": {
      "condition": "Gut -Microbiota"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 654,
    "total_pages": 66,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Gut+-Microbiota&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T05:41:43.660Z",
  "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": "NCT04325308",
      "title": "Early Protein Supplementation in Extremely Preterm Infants Fed Human Milk",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prematurity; Extreme",
        "Feeding Disorder Neonatal",
        "Breast Milk Expression",
        "Growth Failure",
        "Microbial Colonization"
      ],
      "interventions": [
        {
          "name": "Protein-enriched human milk diet",
          "type": "PROCEDURE"
        },
        {
          "name": "Usual human milk diet",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "4 Days",
        "sex": "ALL",
        "summary": "1 Day to 4 Days"
      },
      "enrollment_count": 150,
      "start_date": "2020-08-13",
      "completion_date": "2027-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04325308"
    },
    {
      "nct_id": "NCT05387876",
      "title": "Vitamin D Intervention and Associated Changes in the Gut Microbiome and Vitamin D Levels in Healthy Adults",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Vitamin D intervention",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo intervention",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 43,
      "start_date": "2022-02-14",
      "completion_date": "2023-02-28",
      "has_results": false,
      "last_update_posted_date": "2022-05-24",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Waco, Texas",
      "locations": [
        {
          "city": "Waco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05387876"
    },
    {
      "nct_id": "NCT02706717",
      "title": "Effects of the Probiotic Visbiome Extra Strength on Gut Microbiome & Immune Activation Markers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV-1 Infection"
      ],
      "interventions": [
        {
          "name": "Visbiome Extra Strength",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 93,
      "start_date": "2016-04",
      "completion_date": "2017-08-28",
      "has_results": true,
      "last_update_posted_date": "2020-01-06",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02706717"
    },
    {
      "nct_id": "NCT05424263",
      "title": "Acetate and Age-associated Arterial Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Aging",
        "Vascular Stiffness",
        "Vascular Dilation"
      ],
      "interventions": [
        {
          "name": "Calcium Acetate Oral Solution",
          "type": "DRUG"
        },
        {
          "name": "Calcium Carbonate Oral Suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2022-09-29",
      "completion_date": "2026-03-19",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05424263"
    },
    {
      "nct_id": "NCT02733263",
      "title": "Resistant Maltodextrin Supplementation: Gastrointestinal Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "15 g RMD",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "25 g RMD",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "0 g RMD",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "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": 64,
      "start_date": "2016-05",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2018-03-02",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02733263"
    },
    {
      "nct_id": "NCT05282693",
      "title": "Ergogenic Properties of Magnesium Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Performance",
        "Gut -Microbiota",
        "Mitochondrial Function"
      ],
      "interventions": [
        {
          "name": "ReMag",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Christopher Bell",
      "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": 41,
      "start_date": "2021-12-17",
      "completion_date": "2024-02-28",
      "has_results": false,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05282693"
    },
    {
      "nct_id": "NCT03986814",
      "title": "Environmental Health Effects on Your Physiology",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Boulder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 92,
      "start_date": "2019-07-18",
      "completion_date": "2022-02-13",
      "has_results": false,
      "last_update_posted_date": "2024-12-09",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Boulder, Colorado",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03986814"
    },
    {
      "nct_id": "NCT03266536",
      "title": "Small Bowel Microbiota Characterization in Healthy Individuals Before and After Consumption of a Western Diet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Small Intestine Bacteria"
      ],
      "interventions": [
        {
          "name": "Western diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "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": 16,
      "start_date": "2017-01-09",
      "completion_date": "2017-05-19",
      "has_results": false,
      "last_update_posted_date": "2022-05-04",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03266536"
    },
    {
      "nct_id": "NCT05482464",
      "title": "Effect of Daily Consumption of Glycomacropeptide on Gut Microbiome and Blood Functional Proteome of Subjects With Irritable Bowel Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammatory Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "Casein glycomacropeptide (CGMP)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Oregon State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 15,
      "start_date": "2022-01-01",
      "completion_date": "2024-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-04",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Corvallis, Oregon",
      "locations": [
        {
          "city": "Corvallis",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05482464"
    },
    {
      "nct_id": "NCT06876935",
      "title": "Early Avocado Exposure on Development and the Gut Microbiome in American Hispanic Infants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gut Microbiome",
        "Neurocognitive Correlates of Eating Habits",
        "Infant Growth"
      ],
      "interventions": [
        {
          "name": "Daily avocado",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "3 Months to 6 Months"
      },
      "enrollment_count": 150,
      "start_date": "2025-08-05",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-27",
      "last_synced_at": "2026-09-03T05:41:43.660Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06876935"
    }
  ]
}