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Key clinical point: Concomitant use of ribociclib and proton-pump-inhibitors (PPI) did not affect survival outcomes in a real-world population of patients with hormone receptor-positive (HR+)/human epidermal growth factor receptor 2-negative (HER2−) metastatic breast cancer (mBC).
Major finding: Progression-free survival was similar among users vs nonusers of PPI in the overall population (hazard ratio [HR] 1.18; P = .594) and in the subgroup of patients with endocrine-sensitive (HR 1.22; 95% CI 0.63-2.39) and endocrine-resistant (HR 1.37; 95% CI 0.30-6.16) BC.
Study details: Findings are from a retrospective cohort study including 128 patients with HR+/HER2− mBC who received ribociclib+endocrine therapy with (n = 50) or without (n = 78) concomitant PPI.
Disclosures: This study did not report the source of funding. The authors declared no conflicts of interest.
Source: Re MD et al. Concomitant administration of proton pump inhibitors does not significantly affect clinical outcomes in metastatic breast cancer patients treated with ribociclib. Breast. 2022;66:157-161 (Oct 15). Doi: 10.1016/j.breast.2022.10.005
Key clinical point: Concomitant use of ribociclib and proton-pump-inhibitors (PPI) did not affect survival outcomes in a real-world population of patients with hormone receptor-positive (HR+)/human epidermal growth factor receptor 2-negative (HER2−) metastatic breast cancer (mBC).
Major finding: Progression-free survival was similar among users vs nonusers of PPI in the overall population (hazard ratio [HR] 1.18; P = .594) and in the subgroup of patients with endocrine-sensitive (HR 1.22; 95% CI 0.63-2.39) and endocrine-resistant (HR 1.37; 95% CI 0.30-6.16) BC.
Study details: Findings are from a retrospective cohort study including 128 patients with HR+/HER2− mBC who received ribociclib+endocrine therapy with (n = 50) or without (n = 78) concomitant PPI.
Disclosures: This study did not report the source of funding. The authors declared no conflicts of interest.
Source: Re MD et al. Concomitant administration of proton pump inhibitors does not significantly affect clinical outcomes in metastatic breast cancer patients treated with ribociclib. Breast. 2022;66:157-161 (Oct 15). Doi: 10.1016/j.breast.2022.10.005
Key clinical point: Concomitant use of ribociclib and proton-pump-inhibitors (PPI) did not affect survival outcomes in a real-world population of patients with hormone receptor-positive (HR+)/human epidermal growth factor receptor 2-negative (HER2−) metastatic breast cancer (mBC).
Major finding: Progression-free survival was similar among users vs nonusers of PPI in the overall population (hazard ratio [HR] 1.18; P = .594) and in the subgroup of patients with endocrine-sensitive (HR 1.22; 95% CI 0.63-2.39) and endocrine-resistant (HR 1.37; 95% CI 0.30-6.16) BC.
Study details: Findings are from a retrospective cohort study including 128 patients with HR+/HER2− mBC who received ribociclib+endocrine therapy with (n = 50) or without (n = 78) concomitant PPI.
Disclosures: This study did not report the source of funding. The authors declared no conflicts of interest.
Source: Re MD et al. Concomitant administration of proton pump inhibitors does not significantly affect clinical outcomes in metastatic breast cancer patients treated with ribociclib. Breast. 2022;66:157-161 (Oct 15). Doi: 10.1016/j.breast.2022.10.005