Comparison · NCT00073008-sae
Lapatinib 1500 mg QD vs Lapatinib 500 mg 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. Lapatinib 1500 mg QD vs Lapatinib 500 mg BID: serious adverse events. Trial comparisons, record NCT00073008-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00073008-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 | 0.231 | 0.145 | 0.346 | wilson | |
| Risk in group 2 | 0.258 | 0.167 | 0.374 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0268 | -0.172 | 0.12 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.896 | 0.49 | 1.64 | log | |
| Odds ratio, group 1 over group 2 | 0.865 | 0.389 | 1.92 | log | |
| Number needed to treat, for one fewer participant with a serious adverse event on Lapatinib 1500 mg QD than on Lapatinib 500 mg BID | 37.3 | 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 | Lapatinib 1500 mg QD | Oral lapatinib 1500 mg once daily (QD) | 15 | 65 | EG000 |
| Group 2 | Lapatinib 500 mg BID | Oral lapatinib 500 mg twice daily (BID) | 17 | 66 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
Source ClinicalTrials.gov
Trial
- Title
- A Study Of Oral GW572016 In Advanced Or Metastatic Non-Small Cell Lung Cancer
- NCT number
- NCT00073008
- Phases
- PHASE2
- Conditions
- Lung Cancer, Non-Small Cell
- Interventions
- GW572016 (lapatinib)
- Lead sponsor
- GlaxoSmithKline
- Results first posted
- 2010-01-06
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00073008?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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