The two-by-two factorial cluster randomised controlled trial evaluating the effectiveness of a stepped treatment algorithm for treating obstructive lung disease, and a behavioural intervention to reduce the prevalence of smoking among smokers in district health facilities in Vietnam, known as VCAPS 4 trial has been successfully registered on Australian New Zealand Clinical Trial Registry on Jun 4th, 2020.

The Australian New Zealand Clinical Trials Registry (ANZCTR) is an online register of clinical trials being undertaken in Australia, New Zealand and elsewhere. The ANZCTR includes trials from the full spectrum of therapeutic areas of pharmaceuticals, surgical procedures, preventive measures, lifestyle, devices, treatment and rehabilitation strategies and complementary therapies.

Details of VCAPS 4 registration can be found in this link.