Unverified50% confidenceEventExact time
辉瑞通过关联西地那非（Sildenafil）对PDE5酶的选择性抑制作用和血管舒张效应的零散发现，将失败的心绞痛药物重新定位为治疗勃起功能障碍的疗法（万艾可/Viagra）
1
Sources
50%
Confidence
Long-term
Relevance
8/28/2026
First Seen
Sources
Related Entities
Cite This Claim
Stable URI
https://kongchang.com/claim/811118API
curl https://kongchang.com/api/v1/knowledge/claims/811118MCP
get_claim(id=811118)