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Key clinical point: Atezolizumab in combination with paclitaxel does not improve survival in patients with unresectable locally advanced/metastatic triple-negative breast cancer (TNBC) vs paclitaxel plus placebo.
Major finding: The median follow-up was 14.2 months in the atezolizumab group and 14.5 months in the placebo group. Atezolizumab plus paclitaxel did not improve median overall survival vs paclitaxel plus placebo (hazard ratio, 1.11; 95% confidence interval, 0.76-1.64). Compared with placebo plus paclitaxel, atezolizumab plus paclitaxel was associated with a higher incidence of serious (25% vs 18%) and grade 3/4 adverse events (53% vs 46%).
Study details: A global randomized, double-blind, placebo-controlled phase 3 IMpassion131 trial of 651 patients with advanced/metastatic TNBC who were randomly assigned to atezolizumab plus paclitaxel or placebo plus paclitaxel.
Disclosures: The study was supported by F. Hoffmann-La Roche Ltd. The authors received honoraria, research grants, speaker/advisory/consulting fees, personal fees, and travel/accommodation/expenses from various sources. Some authors were employed by and/or owned stocks in pharmaceutical companies.
Source: Miles D et al. Ann Oncol. 2021 Jul 1. doi: 10.1016/j.annonc.2021.05.801.
Key clinical point: Atezolizumab in combination with paclitaxel does not improve survival in patients with unresectable locally advanced/metastatic triple-negative breast cancer (TNBC) vs paclitaxel plus placebo.
Major finding: The median follow-up was 14.2 months in the atezolizumab group and 14.5 months in the placebo group. Atezolizumab plus paclitaxel did not improve median overall survival vs paclitaxel plus placebo (hazard ratio, 1.11; 95% confidence interval, 0.76-1.64). Compared with placebo plus paclitaxel, atezolizumab plus paclitaxel was associated with a higher incidence of serious (25% vs 18%) and grade 3/4 adverse events (53% vs 46%).
Study details: A global randomized, double-blind, placebo-controlled phase 3 IMpassion131 trial of 651 patients with advanced/metastatic TNBC who were randomly assigned to atezolizumab plus paclitaxel or placebo plus paclitaxel.
Disclosures: The study was supported by F. Hoffmann-La Roche Ltd. The authors received honoraria, research grants, speaker/advisory/consulting fees, personal fees, and travel/accommodation/expenses from various sources. Some authors were employed by and/or owned stocks in pharmaceutical companies.
Source: Miles D et al. Ann Oncol. 2021 Jul 1. doi: 10.1016/j.annonc.2021.05.801.
Key clinical point: Atezolizumab in combination with paclitaxel does not improve survival in patients with unresectable locally advanced/metastatic triple-negative breast cancer (TNBC) vs paclitaxel plus placebo.
Major finding: The median follow-up was 14.2 months in the atezolizumab group and 14.5 months in the placebo group. Atezolizumab plus paclitaxel did not improve median overall survival vs paclitaxel plus placebo (hazard ratio, 1.11; 95% confidence interval, 0.76-1.64). Compared with placebo plus paclitaxel, atezolizumab plus paclitaxel was associated with a higher incidence of serious (25% vs 18%) and grade 3/4 adverse events (53% vs 46%).
Study details: A global randomized, double-blind, placebo-controlled phase 3 IMpassion131 trial of 651 patients with advanced/metastatic TNBC who were randomly assigned to atezolizumab plus paclitaxel or placebo plus paclitaxel.
Disclosures: The study was supported by F. Hoffmann-La Roche Ltd. The authors received honoraria, research grants, speaker/advisory/consulting fees, personal fees, and travel/accommodation/expenses from various sources. Some authors were employed by and/or owned stocks in pharmaceutical companies.
Source: Miles D et al. Ann Oncol. 2021 Jul 1. doi: 10.1016/j.annonc.2021.05.801.