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Some studies have shown that Viagra's ingredient "sildenafil" may inhibit the metastasis and spread of cancer cells. How far is it from being used in clinical cancer treatment?

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有研究表示伟哥成分「西地那非」或能抑制癌细胞转移扩散，距离真正用于临床癌症治疗还差什么？

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Ranking history & source details

First recorded Aug 18, 2026, 8:22 AM CST · latest Aug 18, 2026, 8:22 AM CST. Ranks reflect attention on each platform.

Retained daily observations
DayPlatformBest rankLast rank
2026-08-18Zhihu Hot List#2#2
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