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Clinical and Microbial Efficacy of Besifloxacin Ophthalmic Suspension, 0.6% in the Treatment of Bacterial Conjunctivitis

A Study to Evaluate the Clinical and Microbial Efficacy of Besifloxacin Ophthalmic Suspension, 0.6% BID Compared to Vehicle in the Treatment of Bacterial Conjunctivitis

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01740388
Enrollment
136
Registered
2012-12-04
Start date
2013-02-28
Completion date
2013-11-30
Last updated
2014-10-01

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

Conditions

Bacterial Conjunctivitis

Brief summary

To evaluate the clinical and microbial efficacy of besifloxacin ophthalmic suspension, 0.6% (Besifloxacin) administered BID for 3 days compared to vehicle in the treatment of bacterial conjunctivitis.

Interventions

one drop of besifloxacin ophthalmic suspension 0.6% administered to infected study eye(s) BID for 3 days.

DRUGVehicle

one drop of the vehicle of besifloxacin ophthalmic suspension administered to infected study eye(s) BID for 3 days.

Sponsors

Bausch & Lomb Incorporated
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
1 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Have a clinical diagnosis of acute bacterial conjunctivitis and exhibit mucopurulent/purulent conjunctival discharge (crusty or sticky eyelids) and redness in at least 1 eye. A minimum score of 1 should be present for both discharge and for bulbar conjunctival injection. * Have monocular pin-holed Snellen visual acuity (VA) equal to or better than 20/200 in both eyes. Age appropriate VA testing will be performed. Every effort should be made to obtain a VA measurement in children. If VA is unobtainable in children, it is at the Investigator's discretion to include the subject in the study. * Be willing to discontinue contact lens wear for the duration of the study.

Exclusion criteria

* Have a severe/serious ocular condition or history/presence of chronic generalized systemic disease that the Investigator feels might increase the risk to the subject or confound the result(s) of the study. * Have a known hypersensitivity or contraindications to besifloxacin, fluoroquinolones, or any of the ingredients in the study drugs. * Be expected to require treatment with systemic or ocular (either eye) nonsteroidal anti-inflammatory drugs (NSAIDs), antihistamines, or corticosteroids during the study or have used any of these medications within 2 days prior to study start. * Be expected to require concurrent ocular therapy in either eye with any ophthalmic solutions (unless specified below), including tear substitutes, during the study or have used any ophthalmic solutions within 2 hours prior to study start. Be expected to require concurrent ocular therapy (either eye) with mast cell stabilizers or decongestants during the study or have used any of the above within 2 days prior to study start. * Be expected to require concurrent systemic or ocular therapy with immunosuppressants (eg, Restasis) during the study or have used systemic or ocular immunosuppressants within 30 days prior to study start. * Be expected to require treatment with systemic or ocular (either eye) antibacterials (other than study drug) during the study or have used any systemic or ocular antibacterial within 3 days prior to study start. * Be likely to require antimicrobial therapy for conditions such as respiratory tract infection, urinary tract infection, skin/soft tissue infection, or otitis media during the study. * Have had ocular surgery (including laser surgery) in either eye within 6 weeks prior to entry into this study. * Have suspected viral or allergic conjunctivitis or any other disease conditions that could interfere with the efficacy and safety evaluations of the study medication. * Have suspected iritis * Have a history of recurrent corneal erosion syndrome, either idiopathic or secondary to previous corneal trauma or dry eye syndrome. * Have any active ulcerative keratitis, specifically any epithelial loss greater than punctate keratitis. * Be immune compromised.

Design outcomes

Primary

MeasureTime frameDescription
Clinical ResolutionVisit 2 (Day 4 or 5)Absence of both conjunctival discharge and bulbar conjunctival injection, after 3 days of treatment with besifloxacin ophthalmic suspension 0.6%
Microbial EradicationVisit 2 (Day 4 or 5)Absence of all accepted ocular bacterial species that were present at or above threshold at baseline, after 3 days of treatment with besifloxacin ophthalmic suspension 0.6%

Secondary

MeasureTime frameDescription
Clinical ResolutionVisit 3 (Day 6, 7, or 8)Absence of both conjunctival discharge and bulbar conjunctival injection, after 3 days of treatment with besifloxacin ophthalmic suspension 0.6%
Microbial EradicationVisit 3 (Day 6, 7, or 8)Absence of all accepted ocular bacterial species that were present at or above threshold at baseline, after 3 days of treatment with besifloxacin ophthalmic suspension 0.6%

Other

MeasureTime frameDescription
Ocular Conjunctival DischargeAt each follow-up visit (Visit 1, Visit 2 and Visit 3)Ocular conjunctival discharge measures on a scale of 0-3 where 0 = Absent, 1 = Mild, 2 = Moderate and 3 = Severe
Bulbar Conjunctival InjectionAt each follow-up visit (Visit 1, Visit 2 and Visit 3)Bulbar conjunctival injection measured on a scale of 0-3 where 0 = Normal, 1 = Mild, 2 = Moderate and 3 = Severe

Countries

United States

Participant flow

Participants by arm

ArmCount
Besifloxacin
besifloxacin ophthalmic suspension 0.6% administered 2 times daily (BID) for 3 days to participants with a clinical diagnosis of bacterial conjunctivitis Besifloxacin: one drop of besifloxacin ophthalmic suspension 0.6% administered to infected study eye(s) BID for 3 days.
64
Vehicle
vehicle of besifloxacin ophthalmic suspension administered 2 times daily (BID) for 3 days to participants with a clinical diagnosis of bacterial conjunctivitis Vehicle: one drop of the vehicle of besifloxacin ophthalmic suspension administered to infected study eye(s) BID for 3 days.
72
Total136

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyLost to Follow-up20
Overall StudyPhysician Decision26
Overall StudySubjects missing data, completed4136
Overall StudyWithdrawal by Subject12

Baseline characteristics

CharacteristicVehicleTotalBesifloxacin
Age, Continuous50.6 years
STANDARD_DEVIATION 21.36
47.8 years
STANDARD_DEVIATION 22.03
44.6 years
STANDARD_DEVIATION 22.52
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
7 Participants11 Participants4 Participants
Race (NIH/OMB)
Black or African American
7 Participants11 Participants4 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants2 Participants1 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants5 Participants4 Participants
Race (NIH/OMB)
White
56 Participants107 Participants51 Participants
Sex: Female, Male
Female
44 Participants88 Participants44 Participants
Sex: Female, Male
Male
28 Participants48 Participants20 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
2 / 643 / 72
serious
Total, serious adverse events
0 / 640 / 72

Outcome results

Primary

Clinical Resolution

Absence of both conjunctival discharge and bulbar conjunctival injection, after 3 days of treatment with besifloxacin ophthalmic suspension 0.6%

Time frame: Visit 2 (Day 4 or 5)

Population: Analysis population is only Subjects with non-missing data, Clinical Resolution (LOCF \[Last Observation Carried Forward\])

ArmMeasureGroupValue (NUMBER)
BesifloxacinClinical ResolutionYES4 participants
BesifloxacinClinical ResolutionNO14 participants
VehicleClinical ResolutionYES5 participants
VehicleClinical ResolutionNO23 participants
Primary

Microbial Eradication

Absence of all accepted ocular bacterial species that were present at or above threshold at baseline, after 3 days of treatment with besifloxacin ophthalmic suspension 0.6%

Time frame: Visit 2 (Day 4 or 5)

Population: Analysis population is only Subjects with non-missing data, Microbial Eradication (LOCF \[Last Observation Carried Forward\])

ArmMeasureGroupValue (NUMBER)
BesifloxacinMicrobial EradicationYES17 participants
BesifloxacinMicrobial EradicationNO1 participants
VehicleMicrobial EradicationYES13 participants
VehicleMicrobial EradicationNO15 participants
Secondary

Clinical Resolution

Absence of both conjunctival discharge and bulbar conjunctival injection, after 3 days of treatment with besifloxacin ophthalmic suspension 0.6%

Time frame: Visit 3 (Day 6, 7, or 8)

Population: Analysis population is only Subjects with non-missing data, Clinical Resolution (LOCF \[Last Observation Carried Forward\])

ArmMeasureGroupValue (NUMBER)
BesifloxacinClinical ResolutionYES6 participants
BesifloxacinClinical ResolutionNO12 participants
VehicleClinical ResolutionYES13 participants
VehicleClinical ResolutionNO15 participants
Secondary

Microbial Eradication

Absence of all accepted ocular bacterial species that were present at or above threshold at baseline, after 3 days of treatment with besifloxacin ophthalmic suspension 0.6%

Time frame: Visit 3 (Day 6, 7, or 8)

ArmMeasureGroupValue (NUMBER)
BesifloxacinMicrobial EradicationYES14 participants
BesifloxacinMicrobial EradicationNO4 participants
VehicleMicrobial EradicationYES16 participants
VehicleMicrobial EradicationNO12 participants
Other Pre-specified

Bulbar Conjunctival Injection

Bulbar conjunctival injection measured on a scale of 0-3 where 0 = Normal, 1 = Mild, 2 = Moderate and 3 = Severe

Time frame: At each follow-up visit (Visit 1, Visit 2 and Visit 3)

ArmMeasureGroupValue (NUMBER)
BesifloxacinBulbar Conjunctival InjectionVisit 1: Normal0 participants
BesifloxacinBulbar Conjunctival InjectionVisit 1: Mild3 participants
BesifloxacinBulbar Conjunctival InjectionVisit 1: Moderate14 participants
BesifloxacinBulbar Conjunctival InjectionVisit 1: Severe1 participants
BesifloxacinBulbar Conjunctival InjectionVisit 2: Normal4 participants
BesifloxacinBulbar Conjunctival InjectionVisit 2: Mild13 participants
BesifloxacinBulbar Conjunctival InjectionVisit 2: Moderate1 participants
BesifloxacinBulbar Conjunctival InjectionVisit 2: Severe0 participants
BesifloxacinBulbar Conjunctival InjectionVisit 3: Normal7 participants
BesifloxacinBulbar Conjunctival InjectionVisit 3: Mild11 participants
BesifloxacinBulbar Conjunctival InjectionVisit 3: Moderate0 participants
BesifloxacinBulbar Conjunctival InjectionVisit 3: Severe0 participants
VehicleBulbar Conjunctival InjectionVisit 3: Moderate5 participants
VehicleBulbar Conjunctival InjectionVisit 1: Normal0 participants
VehicleBulbar Conjunctival InjectionVisit 2: Moderate8 participants
VehicleBulbar Conjunctival InjectionVisit 1: Mild6 participants
VehicleBulbar Conjunctival InjectionVisit 3: Mild6 participants
VehicleBulbar Conjunctival InjectionVisit 1: Moderate18 participants
VehicleBulbar Conjunctival InjectionVisit 2: Severe0 participants
VehicleBulbar Conjunctival InjectionVisit 1: Severe4 participants
VehicleBulbar Conjunctival InjectionVisit 3: Severe1 participants
VehicleBulbar Conjunctival InjectionVisit 2: Normal7 participants
VehicleBulbar Conjunctival InjectionVisit 3: Normal12 participants
VehicleBulbar Conjunctival InjectionVisit 2: Mild12 participants
Other Pre-specified

Ocular Conjunctival Discharge

Ocular conjunctival discharge measures on a scale of 0-3 where 0 = Absent, 1 = Mild, 2 = Moderate and 3 = Severe

Time frame: At each follow-up visit (Visit 1, Visit 2 and Visit 3)

Population: Analysis population is only Subjects with non-missing data, Ocular Discharge Evaluated on the Baseline-Designated Study Eye

ArmMeasureGroupValue (NUMBER)
BesifloxacinOcular Conjunctival DischargeVisit 1: Absent0 participants
BesifloxacinOcular Conjunctival DischargeVisit 1: Mild6 participants
BesifloxacinOcular Conjunctival DischargeVisit 1: Moderate10 participants
BesifloxacinOcular Conjunctival DischargeVisit 1: Severe2 participants
BesifloxacinOcular Conjunctival DischargeVisit 2: Absent9 participants
BesifloxacinOcular Conjunctival DischargeVisit 2: Mild8 participants
BesifloxacinOcular Conjunctival DischargeVisit 2: Moderate1 participants
BesifloxacinOcular Conjunctival DischargeVisit 2: Severe0 participants
BesifloxacinOcular Conjunctival DischargeVisit 3: Absent14 participants
BesifloxacinOcular Conjunctival DischargeVisit 3: Mild4 participants
BesifloxacinOcular Conjunctival DischargeVisit 3: Moderate0 participants
BesifloxacinOcular Conjunctival DischargeVisit 3: Severe0 participants
VehicleOcular Conjunctival DischargeVisit 3: Moderate3 participants
VehicleOcular Conjunctival DischargeVisit 1: Absent0 participants
VehicleOcular Conjunctival DischargeVisit 2: Moderate2 participants
VehicleOcular Conjunctival DischargeVisit 1: Mild9 participants
VehicleOcular Conjunctival DischargeVisit 3: Mild5 participants
VehicleOcular Conjunctival DischargeVisit 1: Moderate16 participants
VehicleOcular Conjunctival DischargeVisit 2: Severe0 participants
VehicleOcular Conjunctival DischargeVisit 1: Severe3 participants
VehicleOcular Conjunctival DischargeVisit 3: Severe0 participants
VehicleOcular Conjunctival DischargeVisit 2: Absent10 participants
VehicleOcular Conjunctival DischargeVisit 3: Absent16 participants
VehicleOcular Conjunctival DischargeVisit 2: Mild15 participants

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