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Comparison · NCT03125902-sae

Atezolizumab + Paclitaxel vs Placebo + Paclitaxel: serious adverse events

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. Atezolizumab + Paclitaxel vs Placebo + Paclitaxel: serious adverse events. Trial comparisons, record NCT03125902-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03125902-sae

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Measures6

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 10.260.2210.303wilson
Risk in group 20.1820.1360.238wilson
Risk difference, group 1 minus group 20.0780.009480.141newcombe hybrid score
Risk ratio, group 1 over group 21.431.041.97log
Odds ratio, group 1 over group 21.581.052.37log
Number needed to harm, for one more participant with a serious adverse event on Atezolizumab + Paclitaxel than on Placebo + Paclitaxel12.87.1105from the risk difference interval

Groups2

Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Atezolizumab + Paclitaxel
Participants will receive atezolizumab at a dose of 840 milligrams (mg) via intravenous (IV) infusion on Days 1 and 15 (± 3 days) of every 28-day cycle along with paclitaxel administered at a dose of 90 mg per square meter (mg/m\^2) via IV infusion on Days 1, 8, and 15 of every 28-day cycle until disease progression or unacceptable toxicity.
112431EG000
Group 2Placebo + Paclitaxel
Participants will receive placebo matching to atezolizumab via IV infusion on Days 1 and 15 (± 3 days) of every 28-day cycle along with paclitaxel administered at a dose of 90 mg/m\^2 via IV infusion on Days 1, 8, and 15 of every 28-day cycle until disease progression or unacceptable toxicity.
40220EG001

Harm

What it counts
Total, serious adverse events
Time frame
From baseline up to 64 months

Source ClinicalTrials.gov

Trial

Title
A Study of Atezolizumab and Paclitaxel Versus Placebo and Paclitaxel in Participants With Previously Untreated Locally Advanced or Metastatic Triple Negative Breast Cancer (TNBC)
NCT number
NCT03125902
Phases
PHASE3
Conditions
Triple-Negative Breast Cancer
Interventions
Atezolizumab (MPDL3280A), an engineered anti-PDL1 antibody, Atezolizumab Placebo, Paclitaxel
Lead sponsor
Hoffmann-La Roche
Results first posted
2021-01-07

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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