Completed PHASE3 INTERVENTIONAL 2-arm NCT00644553

Comparative Study of the Safety and Efficacy of Clarithromycin Extended-Release Tablets Versus Amoxicillin-Clavulanate for the Treatment of Acute Bacterial Sinusitis

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

Sponsor: Abbott

Conditions Acute Bacterial Sinusitis (ABS)

Interventions Amoxicillin Clarithromycin

Updated 7 times since 2017 Last updated: Mar 26, 2008 Started: May 31, 2003 Primary completion: Mar 31, 2004

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE3 trial investigates Acute Bacterial Sinusitis (ABS) and is currently completed. Abbott leads this study, which shows 7 recorded versions since 2003 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE3
Sep 2024 — Sep 2025 [monthly]

Completed PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE3
Jan 2021 — Jul 2024 [monthly]

Completed PHASE3
Jun 2018 — Jan 2021 [monthly]

Completed PHASE3

▶ Show 2 earlier versions

Feb 2017 — Jun 2018 [monthly]

Completed PHASE3
Jan 2017 — Feb 2017 [monthly]

Completed PHASE3

First recorded

May 2003

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Abbott

Data source: Abbott

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Athens, Greece , Badajoz, Spain , Barcelona, Spain , Bialystok, Poland , Bielsko-Biala, Poland , Birmingham, United States , Bucharest, Romania , Budapest, Hungary , Bydgoszcz, Poland , Catania, Italy and 34 more locations