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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:08 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: KB109 Clear all
Completed Not applicable Interventional

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

NCT04414124
View directory record Official record
Conditions
Mild-to-moderate COVID-19
Interventions
KB109 + Self Supportive Care (SSC), Self Supportive Care (SSC) Alone
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
16
States / cities
Hot Springs, Arkansas • Riverside, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2021 · Synced Oct 21, 2026, 9:08 AM EDT
Completed Not applicable Interventional

A Clinical Study to Assess the Physiologic Effects of KB109 in Patients With COVID-19 on Gut Microbiota Structure and Function

NCT04486482
View directory record Official record
Conditions
Mild-to-Moderate COVID-19
Interventions
KB109 + Self Supportive Care (SSC), Self Supportive Care (SSC) Alone
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
12
States / cities
Cullman, Alabama • Los Angeles, California • Rancho Cucamonga, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2021 · Synced Oct 21, 2026, 9:08 AM EDT
Terminated Not applicable Interventional

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

NCT03944369
View directory record Official record
Conditions
Vancomycin-Resistant Enterococcus, Extended-Spectrum Beta Lactamase-Producing Enterobacteriaceae, or Carbapenem-Resistant Enterobacteriaceae Colonized Subjects
Interventions
KB109, No intervention
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
8
States / cities
Torrance, California • Atlanta, Georgia • Augusta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 21, 2026, 9:08 AM EDT
Completed No phase listed Observational

An Observational Clinical Study to Evaluate COVID-19 Symptoms in "Long Hauler" Patients Who Participated in K031-120 or K032-120

NCT04814914
View directory record Official record
Conditions
COVID-19
Interventions
KB109 + Self Supportive Care, Self Supportive Care (SSC) Alone
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
333 participants
Timeline
2021
U.S. locations
2
States / cities
Hot Springs, Arkansas • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced Oct 21, 2026, 9:08 AM EDT