Why is Salvarsan no longer used? The decline of the first modern chemotherapeutic drug
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4 min read
First introduced in 1910 as a revolutionary "magic bullet" for treating syphilis, Salvarsan was an arsenic-based drug developed by Nobel laureate Paul Ehrlich and his Japanese colleague, Sahachiro Hata. Its use was ultimately discontinued due to significant toxicity, challenging administration, and the advent of a far superior alternative, which is why Salvarsan is no longer used today.