{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Microbiome+Composition",
    "query": {
      "condition": "Microbiome Composition"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 36,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Microbiome+Composition&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T14:06:09.939Z",
  "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": "NCT04327141",
      "title": "Low Sugar Protein Pacing, Intermittent Fasting Diet in Men and Women",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "Gut Microbiome",
        "Anti-Aging"
      ],
      "interventions": [
        {
          "name": "P-IF",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HH",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Skidmore College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-09-03",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-08",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 1,
      "location_summary": "Saratoga Springs, New York",
      "locations": [
        {
          "city": "Saratoga Springs",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04327141"
    },
    {
      "nct_id": "NCT04735835",
      "title": "Personalized Responses to Dietary Composition Trial 3",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Heart Diseases",
        "Diet Habit",
        "Diet Modification",
        "Healthy",
        "Obesity",
        "Metabolism",
        "Microbial Colonization"
      ],
      "interventions": [
        {
          "name": "Dietary Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Zoe Global Limited",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250000,
      "start_date": "2020-07-20",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-16",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 1,
      "location_summary": "Needham, Massachusetts",
      "locations": [
        {
          "city": "Needham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04735835"
    },
    {
      "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": "2026-06-10T14:06:09.939Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03990350"
    },
    {
      "nct_id": "NCT03168113",
      "title": "Atopic Dermatitis (AD) and Food Allergy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atopic Dermatitis (AD)",
        "Non-atopic Healthy Controls"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 62,
      "start_date": "2017-06-12",
      "completion_date": "2018-01-31",
      "has_results": false,
      "last_update_posted_date": "2018-02-28",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03168113"
    },
    {
      "nct_id": "NCT06603519",
      "title": "Impact of Dietary Intervention on Inflammation and Microbiome Composition Post-Colonoscopy",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Polyp",
        "Inflammation",
        "Dietary Intervention",
        "Microbiota",
        "Colorectal Neoplasms",
        "Metabolomics"
      ],
      "interventions": [
        {
          "name": "Modified Plant-Based Mediterranean Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-03-04",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06603519"
    },
    {
      "nct_id": "NCT03043339",
      "title": "Characterization Of the Intestinal Microbiome Evolution After Kidney Transplant Donation or Receipt",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Renal Transplant"
      ],
      "interventions": [
        {
          "name": "Stool Specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Anal Swab Sampling",
          "type": "OTHER"
        },
        {
          "name": "Short Diet Assessment (SDA)",
          "type": "OTHER"
        },
        {
          "name": "NHANES Dietary Screener Questionnaire (DSQ)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2017-10-02",
      "completion_date": "2019-01-10",
      "has_results": false,
      "last_update_posted_date": "2024-06-26",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03043339"
    },
    {
      "nct_id": "NCT05417867",
      "title": "Evaluating the Association Among Changes in Gut Microbiome, Fatigue, and Chemotherapy-Induced Nausea in Early Stage Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chemotherapy-Related Nausea and/or Vomiting",
        "Early Stage Breast Carcinoma",
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2021-04-14",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 5,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Albert Lea, Minnesota + 2 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Albert Lea",
          "state": "Minnesota"
        },
        {
          "city": "Mankato",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05417867"
    },
    {
      "nct_id": "NCT06091813",
      "title": "Ambrosia: Evaluating the Effects of a Food-As-Medicine Platform on Gut Microbiome Composition and Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Impact of Dietary Chages Directed by Medical Nutrition Therapy on Gut Microbiome Composition"
      ],
      "interventions": [
        {
          "name": "Nutrition Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Persephone Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 546,
      "start_date": "2023-11-01",
      "completion_date": "2025-03-15",
      "has_results": false,
      "last_update_posted_date": "2025-07-31",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06091813"
    },
    {
      "nct_id": "NCT02641236",
      "title": "Gut Decontamination In Pediatric Allogeneic Hematopoietic",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hematopoietic Stem Cell Transplantation (HSCT)",
        "Acute GVH Disease"
      ],
      "interventions": [
        {
          "name": "Vancomycin-polymyxin B",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "4 Years to 30 Years"
      },
      "enrollment_count": 24,
      "start_date": "2016-03",
      "completion_date": "2021-10-28",
      "has_results": true,
      "last_update_posted_date": "2023-09-15",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02641236"
    },
    {
      "nct_id": "NCT06808061",
      "title": "Effects of Lactobacillus Plantarum KABP-51 Probiotic on Body Composition, Microbiome and Mood in Healthy Overweight Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "Mood"
      ],
      "interventions": [
        {
          "name": "Lactobacillus plantarum",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "3 Waves Wellness",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-02-14",
      "completion_date": "2023-10-15",
      "has_results": false,
      "last_update_posted_date": "2025-02-05",
      "last_synced_at": "2026-06-10T14:06:09.939Z",
      "location_count": 1,
      "location_summary": "Plymouth, Massachusetts",
      "locations": [
        {
          "city": "Plymouth",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06808061"
    }
  ]
}