Comparison · NCT03050359-deaths
TAK-438 20 mg vs Lansoprazole 30 mg: 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. TAK-438 20 mg vs Lansoprazole 30 mg: deaths from any cause. Trial comparisons, record NCT03050359-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03050359-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 | 0 | 0.0144 | wilson | |
| Risk in group 2 | 0 | 0 | 0.0141 | wilson | |
| Risk difference, group 1 minus group 2 | 0 | -0.0141 | 0.0144 | 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 harm | from the risk difference interval | the two groups' risks are equal |
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 | TAK-438 20 mg | HP - participants: TAK-438 20 mg, tablets, orally, once daily (QD) and lansoprazole placebo-matching capsules, orally, QD for up to 6 weeks. HP + participants: TAK-438 20 mg, tablets, orally, twice daily (BID) and lansoprazole placebo-matching capsules, orally, BID for first 2 weeks along with Bismuth-Containing Quadruple Therapy followed byTAK-438 20 mg, tablets, orally, QD and lansoprazole placebo-matching capsules, orally, QD for up to 4 weeks. | 0 | 263 | EG000 |
| Group 2 | Lansoprazole 30 mg | HP - participants: lansoprazole 30 mg, capsules, orally, QD and TAK-438 placebo-matching tablets, orally, QD for up to 6 weeks. HP + participants: lansoprazole 30 mg, capsules, orally, BID and TAK-438 placebo-matching tablets, orally, BID for first 2 weeks along with Bismuth-Containing Quadruple Therapy followed by lansoprazole 30 mg, capsules, orally, QD and TAK-438 placebo-matching tablets, orally, BID for up to 4 weeks. | 0 | 268 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, all-cause mortality
- Time frame
- Up to Week 10 (Up to 6 weeks of treatment)
Source ClinicalTrials.gov
Trial
- Title
- Comparison of TAK-438 (Vonoprazan) to Lansoprazole in the Treatment of Duodenal Ulcer Participants With or Without Helicobacter Pylori Infection
- NCT number
- NCT03050359
- Phases
- PHASE3
- Conditions
- Duodenal Ulcer
- Interventions
- TAK-438, Lansoprazole, TAK-438 Placebo, Lansoprazole Placebo, Bismuth-Containing Quadruple Therapy
- Lead sponsor
- Takeda
- Results first posted
- 2020-06-12
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT03050359?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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