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Comparison · NCT01988779-sae

Oral Placebo With Nebulized Intranasal Levofloxacin vs Oral Antibiotics With Nebulized Intranasal Placebo: serious adverse events

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

2 sourcestrial-comparisons-2026-03-23-0.1.0

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ConductScience Library. Oral Placebo With Nebulized Intranasal Levofloxacin vs Oral Antibiotics With Nebulized Intranasal Placebo: serious adverse events. Trial comparisons, record NCT01988779-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01988779-sae

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Measures6

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 100.00000000000000002780.242wilson
Risk in group 2000.228wilson
Risk difference, group 1 minus group 20-0.2280.242newcombe hybrid score
Risk ratio, group 1 over group 2loga group has no participants with the outcome
Odds ratio, group 1 over group 2loga cell of the two-by-two table is zero
Number needed to harmfrom the risk difference intervalthe two groups' risks are equal

Groups2

Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Oral Placebo With Nebulized Intranasal LevofloxacinPlacebo oral tablet by mouth daily for 14 consecutive days along with nebulized levofloxacin 125 mg twice daily for 14 consecutive days~oral levofloxacin~nebulized levofloxacin012EG000
Group 2Oral Antibiotics With Nebulized Intranasal PlaceboLevofloxacin 500 mg by mouth once daily for 14 consecutive days, along with intranasal placebo solution twice daily for 14 consecutive days.~oral levofloxacin~nebulized levofloxacin013EG001

Harm

What it counts
Total, serious adverse events
Time frame
6 months

Source ClinicalTrials.gov

Trial

Title
Oral Versus Topical Antibiotics for Chronic Rhinosinusitis Exacerbations
NCT number
NCT01988779
Phases
PHASE3
Conditions
Chronic Rhinosinusitis
Interventions
oral levofloxacin, nebulized levofloxacin
Lead sponsor
University of Rochester
Results first posted
2019-12-11

Source ClinicalTrials.gov

Source

Release
trial-comparisons-2026-03-23-0.1.0
Release manifest SHA-256
f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
AACT copy
2026-03-23
Tables read
outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet

Source ClinicalTrials.gov

Sources 2

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.

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