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Comparison · NCT04458909-sae

Arm I (Nivolumab, Gemcitabine, Cisplatin / Carboplatin) vs Arm II (Gemcitabine, Cisplatin / Carboplatin): 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. Arm I (Nivolumab, Gemcitabine, Cisplatin / Carboplatin) vs Arm II (Gemcitabine, Cisplatin / Carboplatin): serious adverse events. Trial comparisons, record NCT04458909-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT04458909-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 10.9090.6230.984wilson
Risk in group 20.50.150.85wilson
Risk difference, group 1 minus group 20.409-0.04320.767newcombe hybrid score
Risk ratio, group 1 over group 21.820.674.93log
Odds ratio, group 1 over group 2100.584171log
Number needed to harm, for one more participant with a serious adverse event on Arm I (Nivolumab, Gemcitabine, Cisplatin / Carboplatin) than on Arm II (Gemcitabine, Cisplatin / Carboplatin)2.44from the risk difference intervalthe interval includes no difference

Groups2

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

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Arm I (Nivolumab, Gemcitabine, Cisplatin / Carboplatin)
Six cycles (3 weeks each):~* Nivolumab 360 mg fixed dose IV over 30 minutes on day 1.~* Cisplatin 80 mg/m\^2 IV over 30-60 minutes or carboplatin AUC of 5 on day 1.~* Gemcitabine 1000 mg/m\^2 in IV over 30 minutes on days 1 and 8.~Followed by maintenance therapy for up to 24 cycles (4 weeks each):~* Nivolumab 480 mg fixed dose IV over 30 minutes on day 1.
1011EG000
Group 2Arm II (Gemcitabine, Cisplatin / Carboplatin)Gemcitabine and cisplatin or carboplatin as in Arm I.24EG001

Harm

What it counts
Total, serious adverse events
Time frame
Baseline to the date of failure or last known follow-up. Maximum follow-up time was 2.3 years.

Source ClinicalTrials.gov

Trial

Title
Testing the Addition of an Anti-cancer Immune Therapy Drug (Nivolumab) to the Usual Chemotherapy Treatment (Cisplatin or Carboplatin With Gemcitabine) for Recurrent or Metastatic Nasopharyngeal Cancer
NCT number
NCT04458909
Phases
PHASE3
Conditions
Metastatic Nasopharyngeal Carcinoma, Metastatic Nasopharyngeal Keratinizing Squamous Cell Carcinoma, Metastatic Nasopharyngeal Nonkeratinizing Carcinoma, Metastatic Nasopharyngeal Undifferentiated Carcinoma, Nasopharyngeal Nonkeratinizing Carcinoma, Recurrent Nasopharyngeal Carcinoma, Recurrent Nasopharyngeal Keratinizing Squamous Cell Carcinoma, Recurrent Nasopharyngeal Undifferentiated Carcinoma, Stage IV Nasopharyngeal Carcinoma AJCC v8, Stage IVA Nasopharyngeal Carcinoma AJCC v8, Stage IVB Nasopharyngeal Carcinoma AJCC v8
Interventions
Carboplatin, Cisplatin, Gemcitabine, Nivolumab, Questionnaire Administration
Lead sponsor
National Cancer Institute (NCI)
Results first posted
2024-09-19

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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