Breast cancer
CDK4/6 inhibitors for everyone? Treatment strategies in HR+ HER2- advanced breast cancer

Maria (45 years old)

Maria, a 45-year-old woman, enjoys working in her own little vineyard. Unfortunately, she fell on her back during work. An X-ray showed a suspicious lesion in the spine. A further diagnostic workup was performed which showed metastatic breast cancer.

Assessment summary:

  • Premenopausal
  • No relevant medical history, ECOG PS: 0
  • No family history of breast cancer
  • Imaging:
    • 4 cm tumour in the left breast, 3 suspicious axillary lymph nodes
    • Multiple suspicious lesions in the spine
    • 2 lesions suspicious for metastases in the liver
  • Biopsy of bone metastasis: breast cancer, NST, ER 90%, PgR 60%, HER2 IHC 1+, G2
  • Haematology and biochemistry: all values normal
  • Germline BRCA-status: wild type
  • PIK3CA-status in the tumour: wild type

Which option would you choose for this patient?