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 a Risk Evaluation and Mitigation Strategy (REMS) for hydromorphone hydrochloride tablets; this is a regulatory action, not a clinical efficacy study.
FDA supplemental approval of a Risk Evaluation and Mitigation Strategy (REMS) for hydromorphone; this is a regulatory action, not a clinical trial, and does not report efficacy or safety trial outcomes.
FDA supplemental approval of a REMS (Risk Evaluation and Mitigation Strategy) for extended-release hydromorphone hydrochloride tablets; this is a regulatory action establishing risk management requirements, not a clinical efficacy or safety study.