Comparison · NCT00546117-7e4c993b
Lansoprazole (Prevacid) vs Placebo: Number of Participants With Normal Type A Tympanometry
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. Lansoprazole (Prevacid) vs Placebo: Number of Participants With Normal Type A Tympanometry. Trial comparisons, record NCT00546117-7e4c993b. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00546117-7e4c993b
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0 | 0 | 0.299 | wilson | |
| Risk in group 2 | 0 | 0.0000000000000000555 | 0.354 | wilson | |
| Risk difference, group 1 minus group 2 | 0 | -0.354 | 0.299 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | log | a group has no participants with the outcome | |||
| Odds ratio, group 1 over group 2 | log | a cell of the two-by-two table is zero | |||
| Number needed to treat | from the risk difference interval | the two groups' risks are equal |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Lansoprazole (Prevacid) | Prevacid SoluTab (15 or 30 mg tab) once daily for 2 months~lansoprazole: Prevacid SoluTab 15 mg daily by mouth for 2 months (patients weighing 10-30 kg),or Prevacid SoluTab 30 mg daily by mouth for 2 months (patients weighing \>30 kg) is the experimental arm. Placebo Solutabs will be given in the same dosage, frequency, and duration for the placebo arm. | 0 | 9 | OG000 |
| Group 2 | Placebo | Placebo SoluTab once daily for 2 months~placebo: Placebo Solutab in 15 and 30 mg dosages. | 0 | 7 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Number of Participants With Normal Type A Tympanometry
- Description
Tympanometry of both ears, coded by Jerger classification (Type A, normal; type B, flat; Type C; negative pressure).~This is a standard test of middle ear status as performed by audiologists. Please refer to the reference for more information: Kileny \& Zwolan, Diagnostic Audiology, chapter 133, Cummings Otolaryngology-Head and Neck Surgery, Elsevier/Saunders, 2015.
- Time frame
- 2 months
- Population
Source ClinicalTrials.gov
Trial
- Title
- A Clinical Trial of Proton Pump Inhibitors to Treat Children With Chronic Otitis Media With Effusion
- NCT number
- NCT00546117
- Phases
- NA
- Conditions
- Otitis Media With Effusion
- Interventions
- lansoprazole, placebo
- Lead sponsor
- Washington University School of Medicine
- Results first posted
- 2011-01-11
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00546117?tab=results
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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