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CompletedNCT00972777Updated Mar 29, 2012Results posted

Efficacy of Besifloxacin Ophthalmic Suspension in the Treatment of Bacterial Conjunctivitis

A Phase 2/3 interventional study of Besifloxacin and Vehicle (Placebo) in Bacterial Conjunctivitis, sponsored by Bausch & Lomb Incorporated. Completed at 1 site in United States. Open to participants aged 1 Year and older. Per ClinicalTrials.gov, last updated 2012-03-29.

Sponsored by Bausch & Lomb Incorporated · Phase 2/3, Interventional, and Treatment

Phase
Phase 2/3
Study type
Interventional
Enrollment
474
Allocation
Randomized
Ages
1 Year and older
Sex
All
01

Study summary

This study is being conducted to evaluate the clinical and microbial efficacy of besifloxacin ophthalmic suspension compared with vehicle in the treatment of bacterial conjunctivitis. This study was conducted as a phase IIb study and continued with further enrollment as a phase III study.

02

Conditions studied

  • Bacterial Conjunctivitis
03

Who can participate

Ages eligible
1 Year and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Subjects who are at least one year of age.
  • Subjects who have a clinical diagnosis of acute bacterial conjunctivitis.
  • Subjects who are willing to discontinue contact lens wear for the duration of the study.

Exclusion criteria

Exclusion Criteria:

  • Subjects who have any uncontrolled systemic disease or debilitating disease.
  • Subjects with known sensitivity or contraindications to besifloxacin, fluoroquinolones or any ingredients in study drugs.
  • Subjects who are expected to require treatment with any disallowed medications.
04

Study design

Phase
Phase 2 / Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
474 participants (actual)

Study arms

  • Experimental
    Besifloxacin

    0.6% ophthalmic suspension

    Drug: Besifloxacin

  • Placebo comparator
    Vehicle

    Drug: Vehicle (Placebo)

Interventions

  • DrugBesifloxacin

    Besifloxacin 0.6% administered into the study eye two times a day for three days.

    Also known as: Besivance

  • DrugVehicle (Placebo)

    Vehicle administered to the study eye two times a day for three days.

05

What researchers measure

Primary outcomes

  1. Clinical Resolution

    The absence of both conjunctival discharge and bulbar conjunctival injection.

    Time frame: Visit 2

  2. Microbial Eradication

    The absence of ocular bacteria that were present at or above pathogenic threshold levels at baseline.

    Time frame: Visit 2

Secondary outcomes

  1. Clinical Resolution

    The absence of both conjunctival discharge and bulbar conjunctival injection.

    Time frame: Visit 3

  2. Microbial Eradication

    The absence of ocular bacteria that were present at or above pathogenic threshold levels at baseline.

    Time frame: Visit 3

06

Results

Posted Mar 29, 2012

Participant flow

This was a two phase (IIB/III) integrated study. Phase IIb was conducted at 31 sites and Phase III at 28 sites in the United States. The first participant was enrolled in phase IIb on 10/30/2009, and last participant exited the study on 04/09/2010. Phase III enrolled its first participant on 04/05/2010 and last participant exited on 10/13/2010.

Participant flow — Overall Study
MilestoneBesifloxacinVehicle
Started231243
Completed217229
Not completed1414
Withdrew: Adverse event32
Withdrew: Lost to follow-up04
Withdrew: Withdrawal by subject45
Withdrew: Physician decision40
Withdrew: Protocol violation02
Withdrew: Screening failure21
Withdrew: Missed visit10

Outcome measures

PrimaryClinical Resolution

The absence of both conjunctival discharge and bulbar conjunctival injection.

Time frame:
Visit 2
Reported as:
Number · eyes
Clinical Resolution
eyesBesifloxacinVehicle
Clinical Resolution8962
PrimaryMicrobial Eradication

The absence of ocular bacteria that were present at or above pathogenic threshold levels at baseline.

Time frame:
Visit 2
Reported as:
Number · eyes
Microbial Eradication
eyesBesifloxacinVehicle
Microbial Eradication11577
SecondaryClinical Resolution

The absence of both conjunctival discharge and bulbar conjunctival injection.

Time frame:
Visit 3
Reported as:
Number · eyes
Clinical Resolution
eyesBesifloxacinVehicle
Clinical Resolution10394
SecondaryMicrobial Eradication

The absence of ocular bacteria that were present at or above pathogenic threshold levels at baseline.

Time frame:
Visit 3
Reported as:
Number · eyes
Microbial Eradication
eyesBesifloxacinVehicle
Microbial Eradication11591

Adverse events

Collected over 7 days. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Besifloxacin—0/228 (0%)0/228 (0%)
Vehicle—0/236 (0%)0/236 (0%)

Baseline characteristics

Age, Customized
Age, Customized(participants)BesifloxacinVehicleTotal
<2 years141327
2 - 11 years6677143
12 - 17 years192039
18 - 29 years324072
30 - 39 years212950
40 - 49 years231437
50 - 59 years201939
>=60 years353166
Missing101
Sex: Female, Male
Sex: Female, Male(Participants)BesifloxacinVehicleTotal
Female142133275
Male89110199
Race/Ethnicity, Customized
Race/Ethnicity, Customized(participants)BesifloxacinVehicleTotal
American Indian or Alaska Native7512
Asian7714
Native Hawaiian or Other Pacific Islander022
Black or African American4558103
White167166333
Other459
Missing101
07

Study locations

1 site
  • Bausch & Lomb Incorporated
    Rochester, New York 14609, United States
08

References and documents

Publications

  • Haas W, Gearinger LS, Hesje CK, Sanfilippo CM, Morris TW. Microbiological etiology and susceptibility of bacterial conjunctivitis isolates from clinical trials with ophthalmic, twice-daily besifloxacin. Adv Ther. 2012 May;29(5):442-55. doi: 10.1007/s12325-012-0023-y. Epub 2012 May 25. PubMed 22644963 ↗
  • DeLeon J, Silverstein BE, Allaire C, Gearinger LS, Bateman KM, Morris TW, Comstock TL. Besifloxacin ophthalmic suspension 0.6% administered twice daily for 3 days in the treatment of bacterial conjunctivitis in adults and children. Clin Drug Investig. 2012 May 1;32(5):303-17. doi: 10.2165/11632470-000000000-00000. PubMed 22420526 ↗
  • Silverstein BE, Allaire C, Bateman KM, Gearinger LS, Morris TW, Comstock TL. Efficacy and tolerability of besifloxacin ophthalmic suspension 0.6% administered twice daily for 3 days in the treatment of bacterial conjunctivitis: a multicenter, randomized, double-masked, vehicle-controlled, parallel-group study in adults and children. Clin Ther. 2011 Jan;33(1):13-26. doi: 10.1016/j.clinthera.2010.12.004. PubMed 21397770 ↗
09

Registry details

Key details

Study ID
NCT00972777
Lead sponsor
Bausch & Lomb Incorporated
Responsible party
Sponsor
First posted
Sep 9, 2009
Start date
Oct 2009
Primary completion
Oct 2010
Completion
Feb 2011
Results posted
Mar 29, 2012
Last update
Mar 29, 2012

Study contacts

Michael R Paterno, OD
study director · Bausch & Lomb Incorporated

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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