he pathway to medical breakthroughs is often laden with surprises, errors, and serendipity, reads and article in a magazine called Mirage. The article dates back to 2023 but we found it still relevant and interesting as it mentions two iaccidental discoveries, warfaring and sildenail citrate that are have transformed the care of pulmonary arterial hypertension patients as well as having improved the lives of millions worldwide.
WARFARIN
Warfarin, a popular anticoagulant, was accidentally discovered following an investigation into a mysterious disease that caused cows to bleed to death after minor procedures or injuries. The disease was linked to spoiled sweet clover hay, leading to the identification of the anticoagulant coumarin. Warfarin, named after the Wisconsin Alumni Research Foundation (WARF) funding the research, was initially developed as a rat poison in the 1940s, and only later found its place in human medicine as a blood thinner. It was formally approved as a medication to treat blood clots in humans by the U.S. Food and Drug Administrationin 1954. Warfarin is available as a generic medicationand is sold under many brand names (Coumadin, Sintrom …).
VIAGRA
Viagra, or sildenafil citrate, was initially developed by Pfizer as a treatment for angina, a heart condition causing severe pain. However, during clinical trials in the early 1990s, the drug didn’t prove effective for angina but many male participants reported a surprising side effect: improved erections. Recognizing the potential, Pfizer repurposed the drug for erectile dysfunction, and in 1998, Viagra was introduced to the market, revolutionizing the treatment of this condition. As understanding of the mechanism of sildenafil grew, a role in the treatment of pulmonary arterial hypertension (PH) was postulated, randomised controlled studies were conducted, eventually leading to regulatory approval for this indication with the commericial name Revatio.
Read more at this link on Mirage