Document Detail

Comparison of 2 moxifloxacin regimens for preoperative prophylaxis: prospective randomized triple-masked trial. Part 1: aqueous concentration of moxifloxacin.
MedLine Citation:
PMID:  18655991     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To evaluate the aqueous concentration of moxifloxacin following 2 dosing regimens of topically administered moxifloxacin hydrochloride ophthalmic solution 0.5% (Vigamox). SETTING: Iladevi Cataract & IOL Research Centre, Ahmedabad, India. METHODS: In this prospective randomized triple-masked clinical trial, 156 patients having cataract surgery were randomly assigned to 1 of 2 regimens of preoperative prophylaxis. In Group A (n = 76), Vigamox was instilled 4 times a day 1 day before surgery plus 1 drop 2 hours before surgery (total of 5 drops). In Group B (n = 76), Vigamox was first instilled 2 hours before surgery and then every 15 minutes for 1 hour (total of 5 drops). In both groups, aqueous samples (0.1 mL) were collected within 2 hours of the first instillation on the day of surgery and stored at -80 degrees C. The antibiotic concentration in all aqueous aspirates was determined using high-performance liquid chromatography. Data were analyzed using the Kolmogorov-Smirnov t test; 95% confidence intervals (CIs) were calculated. RESULTS: The mean aqueous humor concentration of moxifloxacin was 1.58 microg/mL +/- 0.80 (SD) in Group A and 2.05 +/- 0.72 microg/mL in Group B (P<.0001; 95% CI, -0.72 to -0.22). CONCLUSIONS: Both dosing regimens produced substantially higher aqueous concentrations than the known minimum inhibitory concentration for Staphylococcus epidermidis. Topical moxifloxacin administered 2 hours before surgery achieved significantly higher aqueous concentrations than topical moxifloxacin administered 1 day before surgery with 1 drop given on the day of surgery.
Abhay R Vasavada; Devarshi Gajjar; Shetal M Raj; Vaishali Vasavada; Viraj Vasavada
Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Journal of cataract and refractive surgery     Volume:  34     ISSN:  0886-3350     ISO Abbreviation:  J Cataract Refract Surg     Publication Date:  2008 Aug 
Date Detail:
Created Date:  2008-07-28     Completed Date:  2008-09-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8604171     Medline TA:  J Cataract Refract Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1379-82     Citation Subset:  IM    
Iladevi Cataract & IOL Research Centre, Raghudeep Eye Clinic, Memnagar, Ahmedabad, India. <>
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MeSH Terms
Anti-Infective Agents / administration & dosage,  pharmacokinetics*
Antibiotic Prophylaxis*
Aqueous Humor / metabolism*
Aza Compounds / administration & dosage,  pharmacokinetics*
Biological Availability
Cataract Extraction*
Chromatography, High Pressure Liquid
Epidemiologic Methods
Middle Aged
Ophthalmic Solutions / administration & dosage,  pharmacokinetics*
Prospective Studies
Quinolines / administration & dosage,  pharmacokinetics*
Time Factors
Reg. No./Substance:
0/Anti-Infective Agents; 0/Aza Compounds; 0/Ophthalmic Solutions; 0/Quinolines; 0/moxifloxacin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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