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Zmax Compared to Augmentin in Sinusitis

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: August 22, 2006
Last Update Posted: March 16, 2010
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
This study will enroll patients with Bacterial Sinusitis who will be treated with either Zmax (Azithromycin Extended Release) or Augmentin (Amoxicillin/Clavulanate). The purpose of the study is to compare early resolution of symptoms between the two treatments. Patients will report resolution of their sinusitis symptoms through a daily questionnaire. There will be two follow-up telephone interviews on days 12 and 28 to evaluate quality of life, satisfaction with therapy, and use of healthcare services.

Condition Intervention Phase
Sinusitis Drug: Azithromycin Extended Release Drug: Amoxicillin/Clavulanate Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Multicenter, Randomized, Open Label Comparative Study Of Azithromycin Extended Release (ZMAX) Versus Amoxicillin/Clavulanate Potassium In Subjects With Acute Bacterial Sinusitis (ABS) In A Physician Practice Environment

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Patient reported symptom resolution at day 5

Secondary Outcome Measures:
  • Time to symptom resolution.

Enrollment: 762
Study Start Date: June 2006
Study Completion Date: February 2007

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • A clinical diagnosis of acute uncomplicated bacterial maxillary sinusitis as demonstrated by presence of the following cardinal signs and symptoms for a minimum duration of 7 days, and no longer than 30 days:
  • Facial pain, pressure and/or tightness over one or both maxillary sinuses, and/or pain in one or both maxillary areas that worsens with movement or percussion, and
  • Presence of one or more of the following signs:
  • Discolored (yellow-green) nasal discharge
  • Discolored (yellow-green) drainage in the posterior pharynx
  • Discolored (yellow-green) discharge from the maxillary sinus orifice
  • Two or more of the following symptoms are present:
  • Fever, as defined by:
  • Oral temperature: >38C or >100.4F, or
  • Tympanic temperature: >38.5C or >101.2F
  • Frequent coughing
  • Nasal congestion,
  • Post-nasal drainage.

Exclusion Criteria:

  • Treatment with any systemic antibiotic within 30 days prior to enrollment
  • Symptoms of sinusitis lasting for longer than 30 days;
  • Four or more episodes of acute sinusitis within the preceding 12 months;
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00367120

Sponsors and Collaborators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
Responsible Party: Director, Clinical Trial Disclosure Group, Pfizer, Inc.
ClinicalTrials.gov Identifier: NCT00367120     History of Changes
Other Study ID Numbers: A0661180
First Submitted: August 21, 2006
First Posted: August 22, 2006
Last Update Posted: March 16, 2010
Last Verified: March 2010

Additional relevant MeSH terms:
Paranasal Sinus Diseases
Nose Diseases
Respiratory Tract Diseases
Respiratory Tract Infections
Otorhinolaryngologic Diseases
Clavulanic Acid
Clavulanic Acids
Amoxicillin-Potassium Clavulanate Combination
Anti-Bacterial Agents
Anti-Infective Agents
beta-Lactamase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action