Using Collaboration and AI to Repurpose Already-Approved Medications for New Indications

At first, the idea of repurposing a drug seems so logical. A reasonable person could be forgiven for thinking this is already common practice. Since safety and efficacy have been shown in order to gain FDA approval to use a drug for a specific disease, that logic goes, wouldn’t researchers check to see what other diseases might be treated using such a drug?
Source: Drug Industry Daily