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Topical Antibiotics and Intravitreous Injections

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00410891
Enrollment
129
Registered
2006-12-13
Start date
2008-07-31
Completion date
2009-12-31
Last updated
2017-11-06

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

Conditions

Intravitreous, Injections

Brief summary

Evaluation of efficacy of topical preoperative antibiotics in patients undergoing intravitreous injections.

Interventions

Sponsors

Stanford University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE

Eligibility

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

Inclusion criteria

* intravitreous injection

Exclusion criteria

* antibiotic use

Design outcomes

Primary

MeasureTime frameDescription
Positive CultureStudy day 1, assessed following administration of study treatmentThe percentage of patients with a positive bacterial culture following administration of study treatment is presented.

Countries

United States

Participant flow

Participants by arm

ArmCount
Topical Antibiotic
topical gatifloxacin 4 times per day gatifloxacin
129
Total129

Baseline characteristics

CharacteristicTopical Antibiotic
Age, Continuous77 years
STANDARD_DEVIATION 13
Conjunctival Bacterial Flora
Coagulase-negative staphylococcus
75 percentage of patients
Conjunctival Bacterial Flora
Gram-negative rods
6 percentage of patients
Conjunctival Bacterial Flora
Staphylococcus aureus
7 percentage of patients
Conjunctival Bacterial Flora
Streptococcus species
7 percentage of patients
Sex: Female, Male
Female
81 Participants
Sex: Female, Male
Male
48 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
0 / 129
serious
Total, serious adverse events
0 / 129

Outcome results

Primary

Positive Culture

The percentage of patients with a positive bacterial culture following administration of study treatment is presented.

Time frame: Study day 1, assessed following administration of study treatment

ArmMeasureValue (NUMBER)
Topical AntibioticPositive Culture8 percentage of patients

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