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An Effectiveness and Safety Study for Levofloxacin in Chronic Prostatitis

A Multicenter, Double-Blind, Phase 3B Study to Compare the Safety and Clinical Efficacy of Levofloxacin in 750mg for 2 Weeks and Levofloxacin 750mg for 3 Weeks to That of Levofloxacin 500mg for 4 Weeks in the Treatment of Chronic Prostatitis

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00402688
Enrollment
242
Registered
2006-11-22
Start date
2006-11-30
Completion date
2008-09-30
Last updated
2013-09-13

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

Conditions

Prostatitis

Keywords

Chronic Prostatitis, Prostatitis, levofloxacin, Levaquin

Brief summary

The purpose of this study is to compare the safety and effectiveness of levofloxacin 750 mg for 2 weeks or 750 mg for 3 weeks, compared to levofloxacin 500 mg for 4 weeks in the treatment of chronic prostatitis.

Detailed description

The optimal duration of treatment for chronic prostatitis remains unclear. Historically, therapy for chronic prostatitis with other classes of antibacterials resulted in poor outcomes and prolonged time taking the medication. Levofloxacin belongs to the quinolone class of antibacterials and has been used to treat chronic prostatitis with 500mg of levofloxacin taken orally once a day for 4 weeks. This multicenter, double-blind (neither the patient nor the physician knows whether drug or placebo is being taken, or at what dosage), randomized (patients are assigned different treatments based on chance) study is designed to see if giving levofloxacin at a higher dose for shorter periods of time is safe and effective in treating chronic prostatitis. Safety analyses will involve the examination of the incidence, severity, and type of adverse events and changes in physical findings including vital signs and clinical laboratory tests. Patients will receive one of the following three dosing options: levofloxacin 750 mg orally administered once-a-day for 2 weeks followed by placebo once-a-day for two weeks for a total of 4 weeks, or levofloxacin 750 mg orally once-a-day for 3 weeks followed by placebo once-a-day for one week for a total of 4 weeks, or levofloxacin 500 mg orally once-a-day for 4 weeks.

Interventions

DRUGlevofloxacin

750mg tablet once daily for 2 weeks followed by 2 weeks of placebo.

Sponsors

PriCara, Unit of Ortho-McNeil, Inc.
CollaboratorINDUSTRY
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Lead SponsorINDUSTRY

Study design

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

Eligibility

Sex/Gender
MALE
Age
40 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Males 40 years of age or older * A clinical diagnosis of chronic prostatitis as evidenced by the following two criteria: 1. Clinical signs and symptoms of prostatitis including a soft, tender prostate without noticeable nodularity with one or more of the following signs or symptoms: painful or difficult urination, suprapubic discomfort, painful ejaculation, low back pain, perineal discomfort, urinary frequency, urinary urgency or hesitancy, decreased urinary stream, urinary retention, pain on digital rectal examination, perineal tenderness or pain, fever, chills. 2. A history of chronic prostatitis as defined as: symptomatic prostatitis - a clinical diagnosis of prostatitis having been made for at least one previous episode that lasted four weeks, or two or more episodes during the previous twelve months.

Exclusion criteria

* Any condition which may interfere with the evaluation of study drug including transurethral prostatectomy within six months of enrollment, the presence of a permanent transurethral catheter or a history of cystostomy or nephrostomy * Taking hormone therapy * Known prostatic carcinoma * Allergy to levofloxacin, ofloxacin, ciprofloxacin, or other members of the quinolone class of antibacterials.

Design outcomes

Primary

MeasureTime frameDescription
Clinical SuccessPosttherapy Visit (Study Day 33-36)Defined as cured or improved. Response is based on the resolution of signs and symptoms at post-therapy.

Secondary

MeasureTime frameDescription
Symptom Relief (Resolved)Posttherapy Visit (Study Day 33-36)Participants With Resolution of Prostatitis Signs and Symptoms; Resolution is defined as symptoms present (mild, moderate or severe) at Screening/Admission and absent (none) at the Posttherapy evaluation.
Clinical Success (Non-Relapse) or Failure (Relapse)Poststudy Telephone contact at 6 weeksNumber of Clinical Successes or Failures at the 6-Week Poststudy Telephone Contact for Participants Cured/Improved at the Posttherapy Visit
Total NIH-CPSI ScoreScreening/Admission, On-Therapy, Week 3, Week 4, Posttherapy (Study Day 33-36)National Institute of Health-Chronic Prostatitis Symptom Index numerically rates a total score (0-43) where 0 indicates no symptoms across any of the domains (pain or discomfort, urination, quality of life).

Countries

United States

Participant flow

Participants by arm

ArmCount
Levofloxacin 750mg for 2 Weeks
levofloxacin, 750mg tablet once daily for 2 weeks followed by 2 weeks of placebo.
81
Levofloxacin 750mg for 3 Weeks
levofloxacin, 750mg tablet once daily for 3 weeks followed by 1 week of placebo.
81
Levofloxacin 500mg for 4 Weeks
levofloxacin, 500mg tablet once daily for 4 weeks.
80
Total242

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyAdverse Event1293
Overall StudyCulture Show Fluoroquinolone Resistance010
Overall StudyLack of Efficacy445
Overall StudyLost to Follow-up102
Overall StudyPatient Left Town and Forgot Medication001
Overall StudyPhysician Decision001
Overall StudyProtocol Violation111
Overall StudyUrine Cult. Yield Resistant to Levaquin001
Overall StudyWithdrawal by Subject311

Baseline characteristics

CharacteristicLevofloxacin 750mg for 2 WeeksLevofloxacin 750mg for 3 WeeksLevofloxacin 500mg for 4 WeeksTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
16 Participants10 Participants15 Participants41 Participants
Age, Categorical
Between 18 and 65 years
65 Participants71 Participants65 Participants201 Participants
Sex: Female, Male
Female
0 Participants0 Participants0 Participants0 Participants
Sex: Female, Male
Male
81 Participants81 Participants80 Participants242 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
43 / —42 / —38 / —
serious
Total, serious adverse events
2 / —1 / —0 / —

Outcome results

Primary

Clinical Success

Defined as cured or improved. Response is based on the resolution of signs and symptoms at post-therapy.

Time frame: Posttherapy Visit (Study Day 33-36)

Population: Modified Intent to Treat (mITT)

ArmMeasureValue (NUMBER)
Levofloxacin 750mg for 2 WeeksClinical Success46 Participants
Levofloxacin 750mg for 3 WeeksClinical Success48 Participants
Levofloxacin 500mg for 4 WeeksClinical Success52 Participants
95% CI: [-0.089, 0.215]
95% CI: [-0.106, 0.195]
Secondary

Clinical Success (Non-Relapse) or Failure (Relapse)

Number of Clinical Successes or Failures at the 6-Week Poststudy Telephone Contact for Participants Cured/Improved at the Posttherapy Visit

Time frame: Poststudy Telephone contact at 6 weeks

Population: Modified Intent-to-Treat Population (mITT) (Participants Cured/Improved at the Posttherapy Visit)

ArmMeasureGroupValue (NUMBER)
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate0 participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success38 participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing5 participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure3 participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate1 participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure12 participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success32 participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing3 participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure5 participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success44 participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing2 participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate1 participants
Secondary

Clinical Success (Non-Relapse) or Failure (Relapse)

Number of Clinical Successes or Failures at 3 Month Poststudy Telephone Contact for Participants Cured/Improved at the Posttherapy Visit

Time frame: Poststudy Telephone contact at 3 Months

Population: Modified Intent to Treat (mITT) (Participants Cured/Improved at the Posttherapy Visit)

ArmMeasureGroupValue (NUMBER)
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure8 Participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success30 Participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate0 Participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing8 Participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing17 Participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success24 Participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure6 Participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate1 Participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing9 Participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate1 Participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success38 Participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure4 Participants
Secondary

Clinical Success (Non-Relapse) or Failure (Relapse)

Number of Clinical Successes or Failures at the 6-month Poststudy Telephone Contact For Participants Cured/Improved at the Posttherapy Visit

Time frame: Poststudy Telephone Contact at 6 Months

Population: Modified Intent to Treat (mITT) (Participants Cured/Improved at the Posttherapy Visit)

ArmMeasureGroupValue (NUMBER)
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure10 Participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success19 Participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate1 Participants
Levofloxacin 750mg for 2 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing16 Participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing24 Participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success19 Participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure4 Participants
Levofloxacin 750mg for 3 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate1 Participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Unable to Evaluate1 Participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Failure6 Participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Clinical Success31 Participants
Levofloxacin 500mg for 4 WeeksClinical Success (Non-Relapse) or Failure (Relapse)Missing14 Participants
Secondary

Symptom Relief (Resolved)

Participants With Resolution of Prostatitis Signs and Symptoms; Resolution is defined as symptoms present (mild, moderate or severe) at Screening/Admission and absent (none) at the Posttherapy evaluation.

Time frame: Posttherapy Visit (Study Day 33-36)

Population: Modified Intent to Treat (mITT)

ArmMeasureGroupValue (NUMBER)
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Other (n=5, 8, 8)1 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Decreased urinary stream (n=50, 47, 52)24 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Painful ejaculation (n=32, 39, 34)17 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Perineal tenderness or pain (n=44, 38, 43)28 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Dysuria (n=35, 43, 42)23 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Low back pain (n=43, 44, 44)20 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Hesitancy (n=37, 39, 54)19 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Frequency (n=58, 63, 62)29 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Perineal discomfort (n=40, 42, 50)20 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Urgency (n=48, 52, 58)20 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Fever (n=3, 2, 1)2 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Pain on digital rectal examination (n=60, 59, 61)30 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Chills (n=4, 5, 7)3 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Urinary retention (n=24, 26, 27)13 Participants
Levofloxacin 750mg for 2 WeeksSymptom Relief (Resolved)Suprapubic discomfort (n=41, 36, 45)24 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Hesitancy (n=37, 39, 54)16 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Frequency (n=58, 63, 62)24 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Perineal tenderness or pain (n=44, 38, 43)24 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Chills (n=4, 5, 7)3 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Urgency (n=48, 52, 58)28 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Dysuria (n=35, 43, 42)29 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Suprapubic discomfort (n=41, 36, 45)19 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Painful ejaculation (n=32, 39, 34)23 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Low back pain (n=43, 44, 44)22 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Perineal discomfort (n=40, 42, 50)19 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Decreased urinary stream (n=50, 47, 52)21 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Urinary retention (n=24, 26, 27)13 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Pain on digital rectal examination (n=60, 59, 61)30 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Other (n=5, 8, 8)5 Participants
Levofloxacin 750mg for 3 WeeksSymptom Relief (Resolved)Fever (n=3, 2, 1)2 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Fever (n=3, 2, 1)1 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Decreased urinary stream (n=50, 47, 52)30 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Dysuria (n=35, 43, 42)27 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Other (n=5, 8, 8)5 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Urinary retention (n=24, 26, 27)17 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Urgency (n=48, 52, 58)35 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Frequency (n=58, 63, 62)30 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Chills (n=4, 5, 7)7 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Perineal tenderness or pain (n=44, 38, 43)28 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Pain on digital rectal examination (n=60, 59, 61)42 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Perineal discomfort (n=40, 42, 50)29 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Low back pain (n=43, 44, 44)26 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Painful ejaculation (n=32, 39, 34)20 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Hesitancy (n=37, 39, 54)38 Participants
Levofloxacin 500mg for 4 WeeksSymptom Relief (Resolved)Suprapubic discomfort (n=41, 36, 45)30 Participants
Secondary

Total NIH-CPSI Score

National Institute of Health-Chronic Prostatitis Symptom Index numerically rates a total score (0-43) where 0 indicates no symptoms across any of the domains (pain or discomfort, urination, quality of life).

Time frame: Screening/Admission, On-Therapy, Week 3, Week 4, Posttherapy (Study Day 33-36)

Population: Modified Intent to Treat (mITT)

ArmMeasureGroupValue (MEAN)
Levofloxacin 750mg for 2 WeeksTotal NIH-CPSI ScoreWeek 4 (Visit 3) (n=53, 57, 61)5.1 Score on a scale
Levofloxacin 750mg for 2 WeeksTotal NIH-CPSI ScoreOn-Therapy (n=70, 70, 73)7.2 Score on a scale
Levofloxacin 750mg for 2 WeeksTotal NIH-CPSI ScoreScreening/Admission (n=73, 74, 75)11.8 Score on a scale
Levofloxacin 750mg for 2 WeeksTotal NIH-CPSI ScorePosttherapy (Visit 4) (n=70, 71, 71)5.4 Score on a scale
Levofloxacin 750mg for 2 WeeksTotal NIH-CPSI ScoreWeek 3 (Visit 2) (n=62, 65, 68)6.5 Score on a scale
Levofloxacin 750mg for 3 WeeksTotal NIH-CPSI ScoreOn-Therapy (n=70, 70, 73)6.6 Score on a scale
Levofloxacin 750mg for 3 WeeksTotal NIH-CPSI ScoreWeek 3 (Visit 2) (n=62, 65, 68)6.5 Score on a scale
Levofloxacin 750mg for 3 WeeksTotal NIH-CPSI ScoreScreening/Admission (n=73, 74, 75)12.0 Score on a scale
Levofloxacin 750mg for 3 WeeksTotal NIH-CPSI ScoreWeek 4 (Visit 3) (n=53, 57, 61)4.9 Score on a scale
Levofloxacin 750mg for 3 WeeksTotal NIH-CPSI ScorePosttherapy (Visit 4) (n=70, 71, 71)5.0 Score on a scale
Levofloxacin 500mg for 4 WeeksTotal NIH-CPSI ScorePosttherapy (Visit 4) (n=70, 71, 71)4.6 Score on a scale
Levofloxacin 500mg for 4 WeeksTotal NIH-CPSI ScoreWeek 4 (Visit 3) (n=53, 57, 61)4.5 Score on a scale
Levofloxacin 500mg for 4 WeeksTotal NIH-CPSI ScoreWeek 3 (Visit 2) (n=62, 65, 68)5.6 Score on a scale
Levofloxacin 500mg for 4 WeeksTotal NIH-CPSI ScoreOn-Therapy (n=70, 70, 73)6.9 Score on a scale
Levofloxacin 500mg for 4 WeeksTotal NIH-CPSI ScoreScreening/Admission (n=73, 74, 75)12.9 Score on a scale

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