Already a MACRO participant

If you're already signed up as a participant in the MACRO trial, this page will provide you with useful information and news concerning the MACRO Trial.  


Please click here if you'd like to download a copy of the MACRO Trial Patient Information sheet, which will provide you with lots of information about the trial. 

Nasal Douching Instructions

In this short video, MACRO Chief Investigator Professor Carl Philpot demonstrates how to effectively use your saline irrigations. 

A document detailing the Saline solution recipe and douching instructions can be downloaded here.

Intranasal Corticosteroid (INCS) Nasal Spray Instructions

Please watch the following videos for instructions on how to effectively use your INCS nasal spray.