The CAVA Multicentre Dizziness Trial

The CAVA trial is a diagnostic accuracy multicentre device trial which aims to quantify the extent to which the CAVA system can differentiate three common inner-ear causes of dizziness: Ménière's disease, vestibular migraine and Benign Paroxysmal Positional Vertigo (BPPV). The CAVA device is composed of two components: a set of bespoke single-use sensor arrays that adhere to the left and right side of the participant's face; and a small reusable module fitting over the ear that contains a battery, microcomputer data storage facility and connection ports for the arrays. The CAVA device will be worn by all participants for 30 days with the aim of capturing eye movement data during a dizzy attack. The first objective is to develop an algorithm that can discriminate between the 3 listed dizziness conditions. The second is to quantify the financial and patient benefits of deployment in the NHS. The final objective is to expedite a plan to deploy the system in the NHS.