Camizestrant (SERD) in HR+/HER2- Advanced Breast Cancer: SERENA-2 Trial
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On October 26, 2022, AstraZeneca announced the positive results of the SERENA-2 Phase 2 clinical trial, evaluating Camizestrant, a next-generation oral selective estrogen receptor degrader (SERD), in patients with hormone receptor-positive (HR+), HER2-negative advanced breast cancer.
Study Design: SERENA-2 Trial
The SERENA-2 trial is a randomized, open-label, multi-dose Phase 2 study. It compared different doses of Camizestrant (75 mg or 150 mg) against the current standard-of-care SERD, Faslodex (Fulvestrant, 500 mg), in patients who had previously received at least one line of endocrine therapy for advanced disease.
The primary endpoint was progression-free survival (PFS).
Key Results
The trial met its primary endpoint, showing a statistically significant and clinically meaningful improvement in PFS for patients receiving Camizestrant compared to those receiving Fulvestrant:
- Superior Efficacy: Both the 75 mg and 150 mg doses of Camizestrant reduced the risk of disease progression or death.
- Safety Profile: Camizestrant was well-tolerated, with a safety profile consistent with previous studies. No new safety signals were identified.
Conclusion
Dr. Mafalda Oliveira from the Vall d'Hebron Institute of Oncology stated that the SERENA-2 results provide strong evidence for the potential of Camizestrant as a new treatment option. By outperforming Fulvestrant—a standard therapy for over 20 years—Camizestrant demonstrates the importance of next-generation SERDs in addressing the needs of patients with HR+ advanced breast cancer.
Source: AstraZeneca Press Release - SERENA-2 Results
#BreastCancer #Camizestrant #SERD #HRPositive #Faslodex #CancerResearch #SERENA2
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