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.
A registry record for a recruiting observational study with no published results; describes design and aims only, not outcomes or evidence of efficacy.
This is a registered trial currently recruiting participants with no results yet reported; the design is rigorous but outcome data are absent, precluding any evidence claim beyond the planned methodology.