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Comparison · NCT02777385-deaths

Cisplatin + Radiation + Pembrolizumab - Concurrent vs Cisplatin + Radiation + Pembrolizumab - Sequential: 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

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ConductScience Library. Cisplatin + Radiation + Pembrolizumab - Concurrent vs Cisplatin + Radiation + Pembrolizumab - Sequential: deaths from any cause. Trial comparisons, record NCT02777385-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02777385-deaths

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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 10.2680.1570.419wilson
Risk in group 20.1540.07250.297wilson
Risk difference, group 1 minus group 20.114-0.06710.286newcombe hybrid score
Risk ratio, group 1 over group 21.740.7144.26log
Odds ratio, group 1 over group 22.020.6646.12log
Number needed to harm, for one more death from any cause on Cisplatin + Radiation + Pembrolizumab - Concurrent than on Cisplatin + Radiation + Pembrolizumab - Sequential8.74from 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 1Cisplatin + Radiation + Pembrolizumab - Concurrent
Cisplatin and Radiation and Pembrolizumab given 1 week prior to the start of cisplatin and radiation and given every 3 weeks~Pembrolizumab: In both arms, the dose of pembrolizumab will be 200 mg (fixed dose) intravenous (IV) every 3 weeks for a total of 8 doses. In Arm 1, pembrolizumab will begin in week 10 of treatment, after cisplatin-IMRT is complete. In Arm 2, pembrolizumab will begin the week before cisplatin-IMRT.~Cisplatin: Patients will receive cisplatin once weekly as an IV infusion over 60 minutes, for a total of 7 doses, at the same time as radiation.~IMRT: IMRT will be delivered in 35 fractions (treatments) over 7 weeks (five treatments per non-holiday week) in one plan.
1141EG000
Group 2Cisplatin + Radiation + Pembrolizumab - Sequential
Cisplatin, Radiation, and Pembrolizumab started 3 weeks after completion of cisplatin and radiation.~Pembrolizumab: In both arms, the dose of pembrolizumab will be 200 mg (fixed dose) intravenous (IV) every 3 weeks for a total of 8 doses. In Arm 1, pembrolizumab will begin in week 10 of treatment, after cisplatin-IMRT is complete. In Arm 2, pembrolizumab will begin the week before cisplatin-IMRT.~Cisplatin: Patients will receive cisplatin once weekly as an IV infusion over 60 minutes, for a total of 7 doses, at the same time as radiation.~IMRT: IMRT will be delivered in 35 fractions (treatments) over 7 weeks (five treatments per non-holiday week) in one plan.
639EG001

Harm

What it counts
Total, all-cause mortality
Time frame
Up to 48 months

Source ClinicalTrials.gov

Trial

Title
Pembrolizumab in Combination With Cisplatin and Intensity Modulated Radiotherapy (IMRT) in Head and Neck Cancer
NCT number
NCT02777385
Phases
PHASE2
Conditions
Head and Neck Squamous Cell Carcinoma
Interventions
Pembrolizumab, Cisplatin, IMRT
Lead sponsor
Dan Zandberg
Results first posted
2024-08-01

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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