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Association details:
Evidence:
Evidence Level:
Sensitive: C2 – Inclusion Criteria
Title:

Preoperative Study With Trastuzumab, Pertuzumab and Letrozole in Breast Cancer Patients Sensitive to Hormonal Therapy

Excerpt:
...- HR positivity (ER ≥ 10% and/or PgR ≥10%) and HER2 positivity (IHC 3+ or FISH/CISH amplification), as assessed by local laboratory....
Trial ID:
Evidence Level:
Sensitive: C2 – Inclusion Criteria
Title:

The use of FES-PET imaging as a tool to detect a possible reversion of Estrogen Receptor (ER)-α status in patients with metastatic breast cancer HER2 + and ERα neg treated with trastuzumab + pertuzumab + taxane. La TEP-FES comme outil de détection d'une possible réversion du statut REα chez des patientes présentant un cancer du sein métastatique HER2+ et REα neg traitées par trastuzumab + pertuzumab + taxane.

Excerpt:
...Patient with metastatic breast cancer HER2 + (IHC+++ and/or HER2 amplification in ISH according to ASCO recommendations), ERα neg (0% in IHC) and Progesterone Receptor neg (0% in IHC). ...
More C2 evidence
Evidence Level:
Sensitive: C3 – Early Trials
Title:

Predicting Pathological Complete Response in Neoadjuvant Dual Blockade With Trastuzumab and Pertuzumab in HER2 Gene Amplified Breast Cancer

Published date:
05/19/2022
Excerpt:
This retrospective study included 159 HER2-amplified patients with locally advanced breast cancer who received neoadjuvant trastuzumab, pertuzumab and chemotherapy....In univariate logistic regression analyses in the training set, the HER2/CEP17 ratio (OR=1.307, p=0.001, 95% CI: 1.117–1.530), HER2 copy number (OR=1.097, p=0.012, 95% CI: 1.021–1.180), and CD8 level (OR=1.072, p=0.024, 95% CI: 1.009–1.139) (Table 2) were better associated with pCR.
Secondary therapy:
Chemotherapy
DOI:
10.3389/fimmu.2022.877825