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 an existing acetaminophen-codeine combination product; this is a regulatory action, not a clinical efficacy trial.
FDA supplemental approval action for an existing drug-drug combination product with REMS requirements; does not report clinical trial data or comparative efficacy.
FDA supplemental approval action for a risk evaluation and mitigation strategy (REMS) affecting acetaminophen–codeine combination products; does not report clinical trial data.
FDA supplemental approval for REMS (Risk Evaluation and Mitigation Strategy) on acetaminophen–codeine phosphate tablets; confirms regulatory compliance but does not report clinical efficacy or comparative benefit data.