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Urinary Tract Infection Study With the Antibiotic Levofloxacin Given at a Higher Dose Over a Shorter Period of Time

This study has been terminated.
Information provided by:
University of Manitoba Identifier:
First received: October 27, 2005
Last updated: NA
Last verified: August 2005
History: No changes posted

The purpose of the study is to compare the safety and effectiveness of the antibiotic levofloxacin by administering a higher dose of levofloxacin and using a shorter course of therapy.

Condition Intervention Phase
Complicated Urinary Infection
Drug: Levofloxacin
Phase 4

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by University of Manitoba:

Primary Outcome Measures:
  • Microbiologic and clinical cure at the early post-therapy follow-up visit (12-19 days after initiating antimicrobial).

Secondary Outcome Measures:
  • Variables will include outcomes at 2 days of therapy, failure to complete therapy, adverse drug effects, long term clinical and microbiologic outcomes, and emergence of resistant organisms.

Estimated Enrollment: 30
Study Start Date: October 2004
Estimated Study Completion Date: July 2005
Detailed Description:

This study will be a pilot study of the efficacy of 750 mg of levofloxacin once daily for 5 days in the treatment of complicated urinary tract infection.

The specific objectives include:

  1. To describe clinical and microbiological outcome at short and long term follow-up with 5 days levofloxacin in subjects with acute symptomatic complicated urinary infection, both with and without indwelling catheters.
  2. To determine the tolerability of levofloxacin 750-mg once daily in patients with complicated urinary infection.
  3. To describe some characteristics of the resolution of the inflammatory response with treatment of complicated urinary infection as demonstrated by changes in urine proteins.
  4. To identify any emergence of resistant organisms in recurrent urinary infection following therapy.

Ages Eligible for Study:   18 Years to 80 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  1. Acute symptoms of urinary infection of less than 7 days duration and an underlying structural or functional abnormality of the genitourinary tract.
  2. Pre-therapy urine culture > 105 cfu/ml (> 108 cfu/L) of at least one urinary pathogen.
  3. Age 18-80 years, male or female.

Exclusion Criteria:

  1. Prior allergic reaction to any fluoroquinolone antimicrobial.
  2. Known infection with a fluoroquinolone - resistant organism.
  3. Requiring parenteral therapy because of severity of illness or unable to take oral medications.
  4. Women who are pregnant or breastfeeding.
  5. Requiring additional antimicrobial therapy for infections elsewhere.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00245791

Canada, Manitoba
Health Sciences Centre
Winnipeg, Manitoba, Canada, R3A 1R9
St. Boniface General Hospital
Winnipeg, Manitoba, Canada, R2H 2A6
University of Manitoba
Winnipeg, Manitoba, Canada, R3E 0W3
Sponsors and Collaborators
University of Manitoba
Principal Investigator: Lindsay E Nicolle, MD, FRCPC University of Manitoba
Principal Investigator: Godfrey KP Harding, MD, FRCPC University of Manitoba
Principal Investigator: George G Zhanel, PhD, FCCP University of Manitoba
  More Information

No publications provided Identifier: NCT00245791     History of Changes
Other Study ID Numbers: CAPSS-383, LOF-UTI-3
Study First Received: October 27, 2005
Last Updated: October 27, 2005
Health Authority: Canada: Health Canada

Keywords provided by University of Manitoba:
Complicated Urinary Infection

Additional relevant MeSH terms:
Communicable Diseases
Urinary Tract Infections
Urologic Diseases
Anti-Bacterial Agents
Anti-Infective Agents
Anti-Infective Agents, Urinary
Antineoplastic Agents
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Pharmacologic Actions
Renal Agents
Therapeutic Uses
Topoisomerase II Inhibitors
Topoisomerase Inhibitors processed this record on November 27, 2014