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Completed Phase 2 Interventional Results available

Evaluation of CRS3123 vs. Oral Vancomycin in Adult Patients With Clostridioides Difficile Infection

ClinicalTrials.gov ID: NCT04781387

Public ClinicalTrials.gov record NCT04781387. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:26 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2, Randomized, Double-Blind, Comparator-Controlled, Multicenter Study to Evaluate the Safety and Efficacy of CRS3123 Compared With Oral Vancomycin in Adults With Clostridioides Difficile Infection

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this research is to evaluate the primary objectives of safety and efficacy (rate of clinical cure) of 2 dosages of CRS3123 (200 mg and 400 mg) administered orally (po) twice daily (bid) and vancomycin administered 125 mg PO 4 times daily (qid) in adults \> or equal to 18 years of age with a primary episode or first recurrence of CDI. The study will investigate the plasma concentrations and HRQoL outcomes of CRS3123 and additional efficacy endpoints as secondary objectives.

Study identification

NCT ID
NCT04781387
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Crestone, Inc
Industry
Enrollment
43 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 5, 2021 (Actual)
Primary completion
Apr 16, 2024 (Actual)
Completion
Apr 16, 2024 (Actual)
Last update posted
Mar 27, 2026

2021 – 2024

United States locations

U.S. sites
18
U.S. states
12
U.S. cities
17
Facility City State ZIP Site status
131 Fullerton California 92835 —
117 Lancaster California 93534 —
143 Mission Hills California 91345 —
138 Orange California 92868 —
146 Miami Florida 33125 —
122 Miami Florida 33144 —
140 Marietta Georgia 30060 —
110 Idaho Falls Idaho 83404 —
129 Winfield Illinois 60190 —
130 Royal Oak Michigan 48073 —
139 Weldon Spring Missouri 63304 —
128 Butte Montana 59701 —
134 The Bronx New York 10467 —
147 Chapel Hill North Carolina 27514 —
114 Uniontown Pennsylvania 15401 —
104 Cedar Park Texas 78613 —
123 Houston Texas 77079 —
101 San Antonio Texas 78229 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04781387, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 27, 2026 · Synced Oct 24, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04781387 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →