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- Title
Real World Evidence of Neoadjuvant Docetaxel/Carboplatin/Trastuzumab/Pertuzumab (TCHP) in Patients with HER2-Positive Early or Locally Advanced Breast Cancer: A Single-Institutional Clinical Experience.
- Authors
Ji-Yeon Kim; Seok Jin Nam; Jeong Eon Lee; Jonghan Yu; Byung Joo Chae; Se Kyung Lee; Jai Min Ryu; Jin Seok Ahn; Young-Hyuck Im; Seok Won Kim; Yeon Hee Park
- Abstract
Purpose Docetaxel/carboplatin/trastuzumab/pertuzumab (TCHP) regimen is frequently used to treat early and locally advanced human epidermal growth factor receptor 2 (HER2)-positive breast cancer (BC) in neoadjuvant setting. However, large-scaled real-world evidence did not exist. Materials and Methods We retrospectively reviewed medical records of patients with early or locally advanced HER2-positive BC who underwent neoadjuvant TCHP followed by curative surgery at Samsung Medical Center between January 2016 and August 2020. Results Of 447 patients, 316 (70.7%) received breast-conserving surgery and 131 (29.3%) received total mastectomy. In terms of neoadjuvant chemotherapy response, pathologic complete response (pCR) and residual cancer burden (RCB) score were analyzed. The rate of pCR was 64% a class of RCB 0 was observed in 65% of cases, RCB class I in 12%, RCB class II in 14%, and RCB class III in 2%. The 3-year event-free survival rate was 90.6%, BC with pCR occurred in 92.8%, and BC with non-pCR in 86.3% (p=0.016). In terms of distant metastasis, the 3-year distant recurrence-free survival rate was 93.5%; BC with pCR occurred in 95.9% and BC with non-pCR in 89.2% (p=0.013). Mucositis (85.2%), pain (83.2%), and diarrhea (70.5%) were the most common non-hematologic adverse events. In terms of hematologic adverse events, anemia (89.9%) was the most commonly observed adverse events followed by thrombocytopenia (29.8%). Conclusion Neoadjuvant TCHP therapy had a pCR rate of 64% and a 3-year event-free survival of 90% in real world experience. In terms of toxicity profile, anemia was frequently observed and adequate management including occasional transfusion was required.
- Subjects
METASTATIC breast cancer; TRASTUZUMAB; DOCETAXEL; EPIDERMAL growth factor receptors; CARBOPLATIN; LUMPECTOMY; CANCER relapse; CASTRATION-resistant prostate cancer; MAMMAPLASTY
- Publication
Cancer Research & Treatment, 2022, Vol 54, Issue 4, p1091
- ISSN
1598-2998
- Publication type
Article
- DOI
10.4143/crt.2021.901