在肯尼亚,愿意为仿制药支付品牌溢价:竞标游戏实验
Peter C Rockers1, Zana Wangari Kiragu1, Monica A Onyango1
1Department of Global Health, Boston University School of Public Health, Boston, Massachusetts, USA.
概括
价格较高的品牌仿制药在低收入和中等收入国家 (LMICs) 正在增长. 肯尼亚的消费者对品牌非传染性疾病 (NCD) 药物的支付意愿 (WTP) 提高了23%,主要是富裕的个人.
科学领域:
- 卫生经济学 卫生经济学
- 制药政策 制药政策
- 全球健康 全球健康
背景情况:
- 高端品牌仿制药在LMICs的市场份额不断增长,引发了人们对药物的负担能力和获取权的担忧.
- 专注于非传染性疾病 (NCD) 药物,对于LMICs的慢性护理至关重要.
- 肯尼亚被确定为检查LMICs消费者行为的案例研究.
研究的目的:
- 在肯尼亚调查消费者愿意支付 (WTP) 品牌与非品牌NCD仿制药的消费者愿望.
- 了解在LMIC环境中偏好品牌仿制药背后的驱动因素.
- 为旨在改善获得基本药物的政策干预提供信息.
主要方法:
- 随机的假设性报价设计,比较品牌 (Novartis Access) 和非品牌的NCD仿制药.
- 使用竞价游戏方法来捕获和分析愿意支付数据.
- 分段分析以确定影响WTP的人口或社会经济因素.
主要成果:
- 消费者对品牌仿制药的支付意愿 (WTP) 在统计上显著增加 (23%的溢价).
- 这种WTP品牌溢价主要在较富裕的患者群体中观察到.
- 在最贫困的患者中没有发现显著的WTP差异,这表明价格敏感性.
结论:
- 消费者对品牌仿制药的偏好有助于他们在肯尼亚等LMICs的市场主导地位.
- 政策干预可能是有必要的,以提高获得品牌和非品牌NCD仿制药的机会.
- 需要有针对性的战略来支持最贫困人口的获取,他们没有表现出品牌偏好.
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