{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=KB109",
    "query": {
      "intervention": "KB109"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T11:36:32.262Z",
  "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": "NCT03944369",
      "title": "VITORA: Clinical Study to Evaluate the Effect of KB109 on the Gut Microbiome in Subjects Whose Gastrointestinal Tracts Are Colonized With Multiple Drug-resistant Organisms",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vancomycin-Resistant Enterococcus, Extended-Spectrum Beta Lactamase-Producing Enterobacteriaceae, or Carbapenem-Resistant Enterobacteriaceae Colonized Subjects"
      ],
      "interventions": [
        {
          "name": "KB109",
          "type": "OTHER"
        },
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaleido Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2019-06-27",
      "completion_date": "2020-06-16",
      "has_results": false,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-09-06T11:36:32.262Z",
      "location_count": 8,
      "location_summary": "Torrance, California • Atlanta, Georgia • Augusta, Georgia + 5 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Southfield",
          "state": "Michigan"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03944369"
    },
    {
      "nct_id": "NCT04814914",
      "title": "An Observational Clinical Study to Evaluate COVID-19 Symptoms in \"Long Hauler\" Patients Who Participated in K031-120 or K032-120",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "KB109 + Self Supportive Care",
          "type": "OTHER"
        },
        {
          "name": "Self Supportive Care (SSC) Alone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaleido Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 333,
      "start_date": "2021-03-25",
      "completion_date": "2021-05-28",
      "has_results": false,
      "last_update_posted_date": "2021-08-18",
      "last_synced_at": "2026-09-06T11:36:32.262Z",
      "location_count": 2,
      "location_summary": "Hot Springs, Arkansas • Chicago, Illinois",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814914"
    },
    {
      "nct_id": "NCT04414124",
      "title": "A Clinical Study to Assess the Natural History of COVID-19 and Effects of KB109 and Supportive Self-care in Outpatients With Mild-to-moderate COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild-to-moderate COVID-19"
      ],
      "interventions": [
        {
          "name": "KB109 + Self Supportive Care (SSC)",
          "type": "OTHER"
        },
        {
          "name": "Self Supportive Care (SSC) Alone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaleido Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2020-08-02",
      "completion_date": "2021-02-02",
      "has_results": false,
      "last_update_posted_date": "2021-08-13",
      "last_synced_at": "2026-09-06T11:36:32.262Z",
      "location_count": 16,
      "location_summary": "Hot Springs, Arkansas • Riverside, California • San Diego, California + 12 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04414124"
    },
    {
      "nct_id": "NCT04486482",
      "title": "A Clinical Study to Assess the Physiologic Effects of KB109 in Patients With COVID-19 on Gut Microbiota Structure and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild-to-Moderate COVID-19"
      ],
      "interventions": [
        {
          "name": "KB109 + Self Supportive Care (SSC)",
          "type": "OTHER"
        },
        {
          "name": "Self Supportive Care (SSC) Alone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaleido Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2021-01-12",
      "completion_date": "2021-03-30",
      "has_results": false,
      "last_update_posted_date": "2021-08-13",
      "last_synced_at": "2026-09-06T11:36:32.262Z",
      "location_count": 12,
      "location_summary": "Cullman, Alabama • Los Angeles, California • Rancho Cucamonga, California + 7 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Rancho Cucamonga",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04486482"
    }
  ]
}