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- Title
Evaluation of overall survival and disease-free survival of adjuvant chemotherapy and hormone therapy in patients with breast cancer.
- Authors
Roudini, Kamran; Mirzania, Mehrzad; Emami, Seyyed Amirhossein; Safayi, Seyyed Reza; yazdi, Ehsan Kamali; Zarifi, Nasim; Mortezazadeh, Masoud; Rafiee, Shima; Mofidi, Abbas; Kashani, Mehdi; Mansouri, Ensieh sadat; Siahkal mahalleh, Mohammad Rasekhi; Mehrizi, Ahmad Khajeh
- Abstract
Background: This study evaluated the effect of adjuvant chemotherapy and hormone therapy on overall survival and disease-free survival in patients with breast cancer with hormone receptor-positive, HER2-negative tumors without lymph node involvement. Methods: Breast cancer patients with hormone receptor-positive, HER2-negative, and no lymph node involvement were included in this retrospective cohort study. Patient records were used to collect data on sex, age, time of disease onset, tumor subtype, tumor size, grade, lymphovascular and perineural involvement, ki67, and treatment protocols. Patients were divided into 2 groups: Patients who received both adjuvant chemotherapy and hormonal therapy and patients who received hormonal therapy only. Disease-free survival index (DFS) and overall survival index (OS) were evaluated. Results: Sixty-seven female patients were enrolled in this study. Of them, 68.2% received both adjuvant chemotherapy and hormonal therapy and 31.6% received hormonal therapy only. During follow-up, recurrences occurred in 8 patients. The 3-year and 5-year DFS were 93.4% and 90%, respectively. The 3-year and 5-year DFS was 94% and 92%, respectively, in patients who received both adjuvant chemotherapy and hormonal therapy, and 91% and 85%, respectively, in patients who received hormonal therapy. None of the factors studied affected the 3-year and 5-year DFS. The 3-year and 5-year DFS OS were 98.6% and 96.9%, respectively Conclusion: Adjuvant chemotherapy in patients with breast cancer with hormone receptor-positive, HER2-negative, and no lymph node involvement compared with similar patients receiving hormone therapy alone had no significant difference in disease-free survival index and overall survival index.
- Subjects
HORMONE receptor positive breast cancer; PROGRESSION-free survival; ADJUVANT chemotherapy; HORMONE therapy; OVERALL survival; CANCER patients
- Publication
Basic & Clinical Cancer Research, 2022, Vol 14, Issue 2, p1
- ISSN
2228-6527
- Publication type
Article