Comparative Study of the Safety and Efficacy of Clarithromycin Extended-Release Tablets Versus Amoxicillin-Clavulanate for the Treatment of Acute Bacterial Sinusitis
Public ClinicalTrials.gov record NCT00644553. 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 Phase IIIB/IV Comparative Study of the Safety and Efficacy of Clarithromycin Extended-Release Tablets vs. Amoxicillin-Clavulanate for the Treatment of Subjects With Acute Bacterial Sinusitis
Study identification
- NCT ID
- NCT00644553
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Abbott
- Industry
- Enrollment
- 437 participants
Conditions and interventions
Conditions
Interventions
- Clarithromycin Drug
- Amoxicillin Drug
Drug
Eligibility (public fields only)
- Age range
- 12 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
- Apr 30, 2003
- Primary completion
- Feb 29, 2004
- Completion
- Not listed
- Last update posted
- Mar 26, 2008
Started 2003
United States locations
- U.S. sites
- 12
- U.S. states
- 10
- U.S. cities
- 12
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Birmingham | Alabama | 35235 | — |
| Not listed | Phoenix | Arizona | 85014 | — |
| Not listed | Clovis | California | 93611 | — |
| Not listed | La Jolla | California | 92037 | — |
| Not listed | San Luis Obispo | California | 93405 | — |
| Not listed | Coeur d'Alene | Idaho | 83814 | — |
| Not listed | Charlotte | North Carolina | 28210 | — |
| Not listed | Columbus | Ohio | 43235 | — |
| Not listed | Eugene | Oregon | 97404 | — |
| Not listed | Johnson City | Tennessee | 37601 | — |
| Not listed | San Antonio | Texas | 78209 | — |
| Not listed | Spokane | Washington | 99216 | — |
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 41 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00644553, 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 26, 2008 · Synced Jul 22, 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 protocol, eligibility criteria, and contact information for NCT00644553 live on ClinicalTrials.gov.