Comparison · NCT02224157-deaths
Placebo Bid + Symbicort 'as Needed' (Experimental) vs Pulmicort Bid + Terbutaline 'as Needed' (Active Comparator): deaths from any cause
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. Placebo Bid + Symbicort 'as Needed' (Experimental) vs Pulmicort Bid + Terbutaline 'as Needed' (Active Comparator): deaths from any cause. Trial comparisons, record NCT02224157-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02224157-deaths
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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 | 0.000479 | 0.0000845 | 0.00271 | wilson | |
| Risk in group 2 | 0.000479 | 0.0000846 | 0.00271 | wilson | |
| Risk difference, group 1 minus group 2 | -0.000000459 | -0.00227 | 0.00226 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.999 | 0.0625 | 16 | log | |
| Odds ratio, group 1 over group 2 | 0.999 | 0.0624 | 16 | log | |
| Number needed to treat, for one fewer death from any cause on Placebo Bid + Symbicort 'as Needed' (Experimental) than on Pulmicort Bid + Terbutaline 'as Needed' (Active Comparator) | 2,180,000 | from the risk difference interval | the interval includes no difference |
Source ClinicalTrials.gov
Groups2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Placebo Bid + Symbicort 'as Needed' (Experimental) | Placebo for budesonide (Placebo Turbuhaler) + Symbicort Turbuhaler (budesonide/formoterol 160/4.5 μg) | 1 | 2,089 | EG000 |
| Group 2 | Pulmicort Bid + Terbutaline 'as Needed' (Active Comparator) | Pulmicort Turbuhaler (budesonide 200 μg) + Terbutaline Turbuhaler 0.4mg 'as needed' | 1 | 2,087 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, all-cause mortality
- Time frame
Adverse events were summarised from Visit 2 throughout the randomised treatment period and including the follow-up period until the last telephone follow-up, or the last contact. Serious adverse events were recorded from the time of informed consent throughout the randomised treatment period and including the folow-up period until last telephone follow-up or last contact.
Source ClinicalTrials.gov
Trial
- Title
- A Clinical Study to Evaluate Symbicort Turbuhaler Used 'as Needed' in Adults and Adolescents With Asthma
- NCT number
- NCT02224157
- Phases
- PHASE3
- Conditions
- Asthma
- Interventions
- budesonide/formoterol 'as needed' + budesonide placebo bid, budesonode bid + terbutaline 'as needed'
- Lead sponsor
- AstraZeneca
- Results first posted
- 2019-11-25
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02224157?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.
For software
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