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A Four Week, Open-Label Study of Azithromycin Ophthalmic Solution, 1% (P08641)

A Single-Center, Open-Label Study to Characterize Eyelid Margin Erythema, Markers of Clinical Inflammation and Levels of Inflammatory Mediators in the Lid Margins and Conjunctivae of Untreated Healthy Volunteers and Subjects Diagnosed With Posterior Blepharoconjunctivitis Following Dosing With Azithromycin Ophthalmic Solution, 1% for Four Weeks

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01220258
Enrollment
29
Registered
2010-10-13
Start date
2010-11-30
Completion date
2011-08-31
Last updated
2013-12-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Posterior Blepharoconjunctivitis

Brief summary

One objective of this study is to determine the levels of markers of inflammation on the eyelid margin of subjects with blepharoconjunctivitis and compare them with those of healthy volunteers. Another objective is to determine in subjects with blepharoconjunctivitis the effect of azithromycin ophthalmic solution, 1 % on markers of inflammation of lid margins and conjunctivae and on signs and symptoms of blepharoconjunctivitis.

Interventions

1 drop twice daily (BID) for the first 2 days and then 1 drop once daily (QD) for the remainder of treatment period (approximately 28 days total)

Sponsors

Merck Sharp & Dohme LLC
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Have a current diagnosis of posterior blepharoconjunctivitis in both eyes (except for healthy volunteers) * Have a Best Corrected Visual Acuity (BCVA), using corrective lenses if necessary, in both eyes of at least +0.7 LogMAR * If female, are non-pregnant or non-lactating

Exclusion criteria

* Have anterior blepharitis * Have lid structural abnormalities * Have had penetrating intraocular surgery in the past 90 days or require penetrating intraocular surgery during the study * Unable to withhold the use of contact lenses within 3 days prior to Visit 1 during the study * Have been diagnosed with ongoing glaucoma * Have a serious medical condition which could confound study assessments

Design outcomes

Primary

MeasureTime frame
Change from baseline of investigator-rated scores for eyelid margin erythemaWeek 4

Secondary

MeasureTime frame
Change from baseline of investigator-rated scores of blepharoconjunctivitis signsWeeks 2, 4, 6, 8
Change from baseline of subject-rated scores of blepharoconjunctivitis symptomsWeeks 2, 4, 6, 8

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026