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    The MACRO Trial

The MACRO Trial has now closed to recruitment.

The MACRO Trial has now closed to recruitment and has been published in The Lancet journal.

A lay summary of the publication is available to read or download from this link.

A pair of spectacles rests on an open book


The trial is now in follow-up, and we thank all our participants for their ongoing engagement.


About MACRO Trial

The MACRO Trial is a randomised controlled trial (RCT) to produce evidence about the effectiveness and role of medical treatment (long-term antibiotics) and sinus surgery in adults with Chronic Rhinosinusitis (CRS) both with and without polyps.

The MACRO trial aimed to recruit 510 patients from at least 17 sites in the UK and began recruiting patients in Autumn 2018, closing to recruitment in late 2023.

The MACRO Trial is part of the MACRO Programme, which is made up of experts in sinus disease and breathing disorders, GPs, research experts and patient representatives. The programme is running in three sections of research over 7 years to establish the best treatment pathway for adults with CRS and ensure that this pathway is put into practice by GPs and hospital doctors. This should then make lives better for CRS patients and at the same time reduce ineffective use of healthcare resources within the NHS.

Key People

The MACRO Trial is jointly led by Professor Claire Hopkins and Professor Carl Philpott, along with a multi-disciplininary team of researchers form University College London (UCL), University of Southampton and the Oxford Surgical Intervention Trials Unit (SITU).

If you would like to contact the clinical trial office, please email macrotrial@nds.ox.ac.uk

FUNDER & SPONSOR

The MACRO Trial is funded by the NIHR Programme Grants for Applied Research (ref RP-PG-0614-20011).

The MACRO Programme is sponsored by University College London (UCL).

USEFUL LINKS

What is a clinical trial
For more information on what a clinical trial is and why it's so important to undertake them, please visit the NHS Choices website

Information for Participants
For further information regarding the MACRO Trial, please visit the Information for Participants page.

Recruiting Centres 
To see which hospitals were recruiting patients for the MACRO trial visit the Recruiting Centres page.

Recruitment Progress:

600
514

Date of latest recruit:

12 October, 2023

Site of latest recruit:

MACRO - Leeds Teaching Hospitals
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MACRO Trial Office
Surgical Interventions Trials Unit (SITU)
University of Oxford
Botnar Research Centre
Nuffield Orthopaedic Centre
Old Road, Headington
Oxford OX3 7LD

CONTACT
Email: macrotrial@nds.ox.ac.uk

The MACRO Programme
evidENT
UCL Ear Institute
90 Tottenham Court Road
Fitzrovia
London
W1T 4TJ

CONTACT
Phone: 020 3108 9326