As compared with adjuvant FAC, adjuvant TAC improved the rate of disease-free survival among women with high-risk, node-negative breast cancer. (Funded by GEICAM and Sanofi-Aventis; ClinicalTrials.gov number, NCT00121992.).
Carboplatin is an active drug in MBC patients without previous exposure to chemotherapy. In our study, the use of an experimental drug as first-line single-agent treatment in MBC did not have a negative influence on patient survival, as the majority of the carboplatin nonresponding patients could be salvaged with a conventional therapeutic regimen.
Background
Growing evidence indicates a causal relationship between SARS-CoV-2 infection and myocarditis. Post-authorization safety data have also identified myocarditis as a rare safety event following mRNA COVID-19 vaccination, particularly among adolescent and young adult males after dose 2. We further evaluated the potential risk by querying the Moderna global safety database for myocarditis/myopericarditis reports among mRNA-1273 recipients worldwide.
Methods
Myocarditis/myopericarditis reports from December 18, 2020, to February 15, 2022, were reviewed and classified. The reported rate after any known mRNA-1273 dose was calculated according to age and sex, then compared to a population-based incidence rate to calculate observed-to-expected rate ratios (RR).
Results
During the study period, 3017 myocarditis/myopericarditis cases among 252 million mRNA-1273 recipients were reported to the Moderna global safety database. The overall reporting rate was 9.23 per 100,000 person-years, which was similar to the expected reference rate (9.0 cases per 100,000 person-years; RR [95% CI], 1.03 [0.97-1.08]). When stratified by sex and age, observed rates were highest for males aged <40 years, particularly those 18-24 years (53.76 per 100,000 person-years), which was higher than expected (RR [95% CI], 3.10 [2.68-3.58]). When considering only cases occurring within 7 days of a known dose, the observed rate was highest for males aged 18-24 years after dose 2 (4.23 per 100,000 doses administered).
Conclusion
Myocarditis/myopericarditis rates were not higher than expected for the overall population of mRNA-1273 recipients but were higher than expected in males aged 18-24 years, with most cases occurring 7 days after dose 2.
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