{"analyses":[{"groupIds":["OG000","OG001"],"nonInferiorityType":"SUPERIORITY","pValue":"0.0195","pValueComment":"A Hochberg-based gatekeeping procedure was used to control the global familywise error rate across the multiple null hypotheses (for 2 primary and 3 key secondary endpoints) in a strong sense at a 1-sided 0.025 level.","statisticalComment":"Hochberg-based gatekeeping procedure","statisticalMethod":"negative binomial regression"}],"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0.021"},{"groupId":"OG001","value":"0.085"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"54"},{"groupId":"OG001","value":"53"}],"units":"Participants"}],"description":"Dose reductions are not permitted for trilaciclib or atezolizumab. Dose reductions for E/P are derived from changes in the protocol-specified dose on the dosing page and correspond to the reductions for toxicity specified in the protocol. No more than 2 dose reductions of E/P in total were allowed for any patient. Simultaneous reduction in the doses of etoposide and carboplatin were counted as 1 dose reduction.","groups":[{"description":"Induction: Patients received trilaciclib 240 mg/m² administered IV once daily prior to E/P/A on Days 1, 2 and 3 of each 21-day E/P/A therapy cycle (up to 4 cycles in total). Etoposide 100 mg/m² was administered IV daily on Days 1, 2, and 3 of each 21-day cycle. Carboplatin was administered on Day 1 of each 21-day cycle using the Calvert formula with a target AUC = 5 mg/mL/min to calculate the dose. Atezolizumab 1200 mg was administered as an IV infusion on Day 1 of each 21-day cycle.\n\nMaintenance: Following the induction phase, patients received maintenance atezolizumab at a dose of 1200 mg on Day 1 of every 21-day cycle until disease progression, unacceptable toxicity, or discontinuation by the patient or investigator","id":"OG000","title":"Trilaciclib+Etoposide/Carboplatin/Atezolizumab"},{"description":"Induction: Patients received placebo administered IV once daily prior to E/P/A on Days 1, 2 and 3 of each 21-day E/P/A therapy cycle (up to 4 cycles in total). Etoposide 100 mg/m² was be administered IV daily on Days 1, 2, and 3 of each 21-day cycle. Carboplatin was administered on Day 1 of each 21-day cycle using the Calvert formula with a target AUC = 5 mg/mL/min to calculate the dose. Atezolizumab 1200 mg was administered as an IV infusion on Day 1 of each 21-day cycle.\n\nMaintenance: Following the induction phase, patients received maintenance atezolizumab at a dose of 1200 mg on Day 1 of every 21-day cycle until disease progression, unacceptable toxicity, or discontinuation by the patient or investigator.","id":"OG001","title":"Placebo+Etoposide/Carboplatin/Atezolizumab"}],"paramType":"NUMBER","populationDescription":"Intent-to-treat (ITT) analysis set included all randomized patients. Analysis using the ITT analysis set were conducted on the basis of the randomly assigned treatment.","reportingStatus":"POSTED","timeFrame":"Induction Period. From date of randomization, 21 day treatment cycles to a maximum of 4 cycles or until (if earlier) disease progression, unacceptable toxicity, or discontinuation by the patient or investigator, assessed up to a maximum of 409 days.","title":"All-Cause Dose Reductions","type":"SECONDARY","unitOfMeasure":"Events/Cycle"}