PAR-101/OPT-80 Versus Vancomycin for the Treatment of Clostridium Difficile-Associated Diarrhea (CDAD)
Public ClinicalTrials.gov record NCT00468728. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Double-Blind Study to Compare the Safety and Efficacy of PAR-101 to Vancomycin in Subjects With Clostridium Difficile-Associated Diarrhea (CDAD)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a comparative study to investigate the safety and efficacy of PAR-101/OPT-80 (fidaxomicin) versus vancomycin in subjects with Clostridium difficile-associated diarrhea (CDAD).
Study identification
- NCT ID
- NCT00468728
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Optimer Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
- Industry
- Enrollment
- 535 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 16 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
- Oct 4, 2006 (Actual)
- Primary completion
- Dec 11, 2009 (Actual)
- Completion
- Dec 11, 2009 (Actual)
- Last update posted
- Apr 21, 2017
2006 – 2009
United States locations
- U.S. sites
- 53
- U.S. states
- 31
- U.S. cities
- 53
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Gadsden | Alabama | — | — |
| Not listed | Phoenix | Arizona | — | — |
| Not listed | Hot Springs | Arkansas | — | — |
| Not listed | La Mesa | California | — | — |
| Not listed | Modesto | California | — | — |
| Not listed | Palm Springs | California | — | — |
| Not listed | Rancho Mirage | California | — | — |
| Not listed | San Jose | California | — | — |
| Not listed | Santa Ana | California | — | — |
| Not listed | Vallejo | California | — | — |
| Not listed | Washington D.C. | District of Columbia | — | — |
| Not listed | Miami | Florida | — | — |
| Not listed | Port Orange | Florida | — | — |
| Not listed | Sarasota | Florida | — | — |
| Not listed | Marietta | Georgia | — | — |
| Not listed | Savannah | Georgia | — | — |
| Not listed | Idaho Falls | Idaho | — | — |
| Not listed | Chicago | Illinois | — | — |
| Not listed | Maywood | Illinois | — | — |
| Not listed | Indianapolis | Indiana | — | — |
| Not listed | Bowling Green | Kentucky | — | — |
| Not listed | Jena | Louisiana | — | — |
| Not listed | New Orleans | Louisiana | — | — |
| Not listed | Baltimore | Maryland | — | — |
| Not listed | Boston | Massachusetts | — | — |
| Not listed | West Roxbury | Massachusetts | — | — |
| Not listed | Detroit | Michigan | — | — |
| Not listed | Keego Harbor | Michigan | — | — |
| Not listed | Royal Oak | Michigan | — | — |
| Not listed | Minneapolis | Minnesota | — | — |
| Not listed | Tupelo | Mississippi | — | — |
| Not listed | Columbia | Missouri | — | — |
| Not listed | Butte | Montana | — | — |
| Not listed | Cedar Knolls | New Jersey | — | — |
| Not listed | Neptune City | New Jersey | — | — |
| Not listed | The Bronx | New York | — | — |
| Not listed | Charlotte | North Carolina | — | — |
| Not listed | Winston-Salem | North Carolina | — | — |
| Not listed | Fargo | North Dakota | — | — |
| Not listed | Akron | Ohio | — | — |
| Not listed | Amherst | Ohio | — | — |
| Not listed | Cleveland | Ohio | — | — |
| Not listed | Columbus | Ohio | — | — |
| Not listed | Dayton | Ohio | — | — |
| Not listed | Philadelphia | Pennsylvania | — | — |
| Not listed | Pittsburgh | Pennsylvania | — | — |
| Not listed | Charleston | South Carolina | — | — |
| Not listed | Rapid City | South Dakota | — | — |
| Not listed | Sioux Falls | South Dakota | — | — |
| Not listed | San Antonio | Texas | — | — |
| Not listed | Winchester | Virginia | — | — |
| Not listed | Seattle | Washington | — | — |
| Not listed | Charleston | West Virginia | — | — |
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 63 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00468728, 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 Apr 21, 2017 · Synced Oct 20, 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 NCT00468728 live on ClinicalTrials.gov.