Following this puts new work involving it at the top of your briefing, with a note saying why it is there. Links are taken from the source record, never inferred.
FDA supplemental approval of metformin hydrochloride labeling; this is a regulatory action, not a clinical trial, and contains no efficacy or safety outcome data.
FDA supplemental approval of a Risk Evaluation and Mitigation Strategy (REMS) for morphine sulfate extended-release tablets; this is a regulatory action, not a clinical trial, and does not report efficacy or safety trial data.