Qiaoping Xu1, Li Yuanyuan2, Zhu Jiejing1, Liu Jian1, Li Qingyu1, Chen Lingya3, Luo Ying4, Shi Changchen1, Li Yangling1, Yan Wei5. 1. Department of Pharmacy, Hangzhou First People's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, China. 2. Center for Healthcare Security Dig Data and Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China. 3. Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China. 4. Hangzhou Senile Hospital, Hangzhou, 310022, Zhejiang, China. 5. Department of Pharmacy, Hangzhou First People's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, China. xqp1984@126.com.
Abstract
BACKGROUND: Breast cancer is the most common cancer among women in China. Amplification of the Human epidermal growth factor receptor type 2 (HER2) gene is present and overexpressed in 18-20% of breast cancers and historically has been associated with inferior disease-related outcomes. There has been increasing interest in de-escalation of therapy for low-risk disease. This study analyzes the cost-effectiveness of Doxorubicin/ Cyclophosphamide/ Paclitaxel/ Trastuzumab (AC-TH) and Docetaxel/Carboplatin/Trastuzumab(TCH) from payer perspective over a 5 year time horizon. METHODS: A half-cycle corrected Markov model was built to simulate the process of breast cancer events and death occurred in both AC-TH and TCH armed patients. Cost data came from studies based on a Chinese hospital. One-way sensitivity analyses as well as second-order Monte Carlo and probabilistic sensitivity analyses were performed.The transition probabilities and utilities were extracted from published literature, and deterministic sensitivity analyses were conducted. RESULTS: We identified 41 breast cancer patients at Hangzhou First People's Hospital, among whom 15 (60%) had a partial response for AC-TH treatment and 13 (81.25%) had a partial response for TCH treatment.No cardiac toxicity was observed. Hematologic grade 3 or 4 toxicities were observed in 1 of 28 patients.Nonhematologic grade 3 or 4 toxicities with a reverse pattern were observed in 6 of 29 patients. The mean QALY gain per patient compared with TCH was 0.25 with AC-TH, while the incremental costs were $US13,142. The incremental cost-effectiveness ratio (ICER) of AC-TH versus TCH was $US 52,565 per QALY gained. CONCLUSIONS: This study concluded that TCH neoadjuvant chemotherapy was feasible and active in HER2-overexpressing breast cancer patients in terms of the pathological complete response, complete response, and partial response rates and manageable toxicities.
BACKGROUND:Breast cancer is the most common cancer among women in China. Amplification of the Humanepidermal growth factor receptor type 2 (HER2) gene is present and overexpressed in 18-20% of breast cancers and historically has been associated with inferior disease-related outcomes. There has been increasing interest in de-escalation of therapy for low-risk disease. This study analyzes the cost-effectiveness of Doxorubicin/ Cyclophosphamide/ Paclitaxel/ Trastuzumab (AC-TH) and Docetaxel/Carboplatin/Trastuzumab(TCH) from payer perspective over a 5 year time horizon. METHODS: A half-cycle corrected Markov model was built to simulate the process of breast cancer events and death occurred in both AC-TH and TCH armed patients. Cost data came from studies based on a Chinese hospital. One-way sensitivity analyses as well as second-order Monte Carlo and probabilistic sensitivity analyses were performed.The transition probabilities and utilities were extracted from published literature, and deterministic sensitivity analyses were conducted. RESULTS: We identified 41 breast cancerpatients at Hangzhou First People's Hospital, among whom 15 (60%) had a partial response for AC-TH treatment and 13 (81.25%) had a partial response for TCH treatment.No cardiac toxicity was observed. Hematologic grade 3 or 4 toxicities were observed in 1 of 28 patients.Nonhematologic grade 3 or 4 toxicities with a reverse pattern were observed in 6 of 29 patients. The mean QALY gain per patient compared with TCH was 0.25 with AC-TH, while the incremental costs were $US13,142. The incremental cost-effectiveness ratio (ICER) of AC-TH versus TCH was $US 52,565 per QALY gained. CONCLUSIONS: This study concluded that TCH neoadjuvant chemotherapy was feasible and active in HER2-overexpressing breast cancerpatients in terms of the pathological complete response, complete response, and partial response rates and manageable toxicities.
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