Complex sentence: Currently the Symplicity HTN-3 trial is underway, this is a multi-centre, prospective, single-blind, randomized, controlled study (Clinical Trial No. NCT01418261).
Split into simpler sentences: Currently the Symplicity HTN-3 trial is underway. This is a multi-centre, prospective, single-blind, randomized, controlled study (Clinical Trial No. NCT01418261).