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.
This is an active pilot feasibility study with no results reported; the registry record describes planned enrollment of 8 participants and surrogate endpoints (ED time, survey scores) rather than clinical outcomes.
This is a Phase 2/3 trial registration with no posted results; it describes a planned intervention combining ketamine and behavioral activation for treatment-resistant depression but carries no efficacy or safety data.