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A Study to Evaluate the Clinical Efficacy and Safety of Tobradex® ST Compared to Azasite® in the Treatment of Subjects With Moderate to Severe Chronic Blepharitis

This study has been completed.
Information provided by (Responsible Party):
Alcon Research Identifier:
First received: April 9, 2010
Last updated: June 7, 2012
Last verified: January 2011
The purpose of this study is to evaluate the clinical efficacy and safety of Tobradex ST compared to AzaSite in the treatment of moderate to severe chronic blepharitis.

Condition Intervention Phase
Blepharitis Drug: Tobradex ST Drug: Azasite Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single (Investigator)
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by Alcon Research:

Primary Outcome Measures:
  • Global sign and symptom score for blepharitis [ Time Frame: Day 15 ]

Enrollment: 122
Study Start Date: April 2010
Primary Completion Date: June 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Tobradex ST
tobramycin 0.3%, dexamethasone 0.05%
Drug: Tobradex ST
tobramycin / dexamethasone ophthalmic suspension 0.3%/0.05% 1 drop 4 times daily for 14 days
Active Comparator: Azasite
azithromycin 1%
Drug: Azasite
azithromycin 1% 1 drop twice daily for 2 days, then once daily for 12 days


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

Inclusion Criteria:

  • Have diagnosis of moderate to severe chronic blepharitis defined by a minimum score of at least "1" for one of the lid signs, one of the conjunctival signs, and one of the symptoms in at least one eye
  • Have a minimum global score (the total signs and symptoms score) of 5 in the same eye qualifying.

Exclusion Criteria:

  • Have known sensitivity or poor tolerance to the test article (tobramycin, dexamethasone, azithromycin) or its components or any therapy associated with the trial
  • Have a history of ocular surgical intervention within six (6) weeks prior to Visit 1 or during the study
  • Have any ocular infections (bacterial, viral or fungal) - active ocular inflammation (i.e. follicular conjunctivitis, iritis) or preauricular lymphadenopathy, other than blepharitis
  • Have worn contact lenses in the 72 hours prior to visit 1 and for the duration of the study
  • Are currently taking any medication known to cause ocular drying that has not been on a stable dose for at least 30 days
  • Have used any topical ocular or systemic antibiotics within 7 days of enrollment. Stable (greater than 1 month prior to enrollment) use of topical antibiotics on the face (except around the eyes) for dermatologic conditions is allowed. Dose must continue unchanged for duration of study
  • Have used any topical ocular - aerosolized/nebulized - or systemic corticosteroid agents within 14 days of enrollment. Stable (greater than 1 month prior to enrollment) use of inhaled (using mouthpiece) and nasal corticosteroids and topical dermal steroids (except around the eyelids) are allowed. Dose must continue unchanged for the duration of the study.
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Please refer to this study by its identifier: NCT01102244

United States, Massachusetts
Andover, Massachusetts, United States, 01810
Sponsors and Collaborators
Alcon Research
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Alcon Research Identifier: NCT01102244     History of Changes
Other Study ID Numbers: SMA-09-35
Study First Received: April 9, 2010
Last Updated: June 7, 2012

Keywords provided by Alcon Research:
moderate to severe chronic blepharitis

Additional relevant MeSH terms:
Eyelid Diseases
Eye Diseases processed this record on September 21, 2017