Comparison · NCT02157935-sae
Formoterol 4.5 ug x2 Bid vs Symbicort 160/4.5 ug x2 Bid: serious adverse events
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. Formoterol 4.5 ug x2 Bid vs Symbicort 160/4.5 ug x2 Bid: serious adverse events. Trial comparisons, record NCT02157935-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02157935-sae
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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 | 0.103 | 0.0812 | 0.129 | wilson | |
| Risk in group 2 | 0.081 | 0.0618 | 0.105 | wilson | |
| Risk difference, group 1 minus group 2 | 0.0218 | -0.0109 | 0.0546 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.27 | 0.889 | 1.81 | log | |
| Odds ratio, group 1 over group 2 | 1.3 | 0.879 | 1.92 | log | |
| Number needed to harm, for one more participant with a serious adverse event on Formoterol 4.5 ug x2 Bid than on Symbicort 160/4.5 ug x2 Bid | 45.9 | 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 | Formoterol 4.5 ug x2 Bid | 63 | 613 | EG000 | |
| Group 2 | Symbicort 160/4.5 ug x2 Bid | 49 | 605 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
- During the randomized treatment period, ie from first treatment to one day after the last treatment.
Source ClinicalTrials.gov
Trial
- Title
- Comparing the Efficacy of Symbicort® pMDI and Formoterol Turbuhaler in Reducing Exacerbations in Patients With Cronic Obstructive Pulmonary Disease
- NCT number
- NCT02157935
- Phases
- PHASE3
- Conditions
- COPD Patients
- Interventions
- Symbicort, Formoterol turbohaler, Placebo for Symbicort pMDI, Placebo for Formoterol Turbohaler
- Lead sponsor
- AstraZeneca
- Results first posted
- 2017-06-12
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02157935?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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GET https://conductscience.org/api/comparisons/v1/NCT02157935-sae