https://advancedbreastcancer.net/
Advanced Breast Cancer Health Info & Community
Learn, educate, and connect with peers and healthcare professionals in an online community for those affected by Advanced Breast Cancer.
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https://oncodaily.com/oncolibrary/breast-oncology/sonia-trial
SONIA Trial Challenges Routine First-Line CDK4/6 Use in Advanced Breast Cancer - OncoDaily
Apr 20, 2026 - First-line vs second-line CDK4/6 inhibitor use in advanced breast cancer showed no OS advantage in SONIA trial, but more toxicity with earlier use.
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