For a list of sites currently open to Add Aspirin, please see below.

How do I join the trial?

If you are interested in taking part in Add-Aspirin, please talk to your doctor who will be able to consider whether you are suitable for the trial. Individuals will only be able to join the trial if the hospital where they are being treated is participating in the trial. Further information about who can join the trial can be found here.

Already taking part?

If you are already taking part in Add-Aspirin, you can find out more about the trial and the treatments that you may be given in the trial using the links below. Any questions or concerns about your personal health and participation in the trial should be discussed with your doctor.  
If you have misplaced the Participant Information Sheet that you were given when you joined the trial, a copy can be downloaded here. If you have misplaced your trial card, please contact your hospital doctor (or nurse) to get a replacement.

What are randomised controlled trials?

What is a placebo?

What is the run-in treatment?

What tablets might I be given in the main trial?       

How do I take the trial medication?

How long do I need to take the trial tablets for?

What if I need to take other medications?

What should I do if I have lost my trial card?
Please contact your hospital doctor or nurse to get a replacement card.

What should I do if I have lost the information sheet that I was given when I joined the trial?
A copy of the Participant Information Sheet can be downloaded here    

Sites currently open

Green - open
Red - not yet open

List of Sites currently open to Add Aspirin:

Addenbrooke's Hospital, Cambridge
Airedale General Hospitas, Keighley
Alexandra Hospital, Redditch
Arrowe Park Hospital, Wirral
Ashford Hospital, Middlesex
Basildon Hospital, Basildon
Basingstoke and North Hampshire Hospital, Basingstoke
Beatson West of Scotland Cancer Centre, Glasgow
Bedford Hospital, Bedford
Borders General Hospital
Bradford Royal Infirmary, Bradford
Bristol Haematology & Oncology Centre, Bristol
Broomfield Hospital, Chelmsford
Calderdale Royal Hospital, Halifax
Charing Cross Hospital, London
Cheltenham General Hospital, Cheltenham
Chesterfield Royal Hospital
Christie Hospital, Manchester
Churchill Hospital, Oxford
City Hospital, Birmingham
Clatterbridge Cancer Centre, Bebington
Colchester General Hospital, Colchester
Conquest Hospital, St Leonards-on-Sea
Countess of Chester Hospital
County Hospital, North Midlands
Cumberland Infirmary, Carlisle
Darent Valley Hospital, Dartford
Darlington Memorial Hospital, Darlington
Derriford Hospital, Plymouth
Ealing Hospital
East Surrey Hospital, Redhill
Eastbourne District General Hospital, Eastbourne
Fairfield Hospital (Bury), Bury
Forth Valley Royal Hospital, Larbert
Freeman Hospital, Newcastle
Frimley Park Hospital, Frimley
Furness General Hospital, Barrow-in-Furness
George Eliot Hospital, Nuneaton
Glan Clwyd Hospital, Denbighshire
Glangwili General (formerly West Wales General), Camarthen
Glenfield Hospital, Leicester
Great Western Hospital, Swindon
Guy's Hospital, London
Hammersmith Hospital, London
Hereford Couty Hospital
High Wycombe & Stoke Mandeville Hospital, Aylesbury
Hinchingbrooke Hospital, Huntingdon
Huddersfield Royal Infirmary
Inverclyde Royal Hospital, Greenock
Ipswich Hospital, Ipswich
James Cook Hospital, Middlesborough
James Paget Hospital, Great Yarmouth
Kent and Canterbury Hospital, Canterbury
Kettering General Hospital
Kidderminster General Hospital
King's Mill Hospital, Sutton-in-Ashfield
Kingston Hospital
Leicester General Hospital, Leicester
Leicester Royal Infirmary, Leicester
Leighton Hospital
Lincoln County Hospital, Lincoln
Lister Hospital, Stevenage
Luton & Dunstable Hospital, Luton
Macclesfield District General, Macclesfield
Maidstone Hospital, Maidstone
Manor Hospital, Walsall
Medway Maritime Hospital
Milton Keynes University Hospital, Milton Keynes
Mount Vernon Hospital, Northwood
Musgrove Park Hospital, Taunton
Nevill Hall Hospital, Abergavenny
Ninewells Hospital, Dundee
Norfolk and Norwich University Hospital, Norwich
North Devon District Hospital, Barnstaple
North Manchester General Hospital, Manchester
North Middlesex Hospital, Edmonton
North Tyneside General Hospital, North Shields
Northampton General Hospital, Northampton
Northwick Park Hospital, Harrow
Nottingham University Hospitals, City Campus, Nottingham
Peterborough City Hospital, Peterborough
Pilgrim Hospital, Boston
Pinderfields Hospital,Wakefield
Prince Charles Hospital, Merthyr Tydfil
Princess Alexandra Hospital (Harlow), Harlow

Queen Alexandra Hospital, Portsmouth
Queen Elizabeth Hospital, Birmingham
Queen Elizabeth Hospital, Gateshead
Queen Elizabeth Hospital, King's Lynn
Queen Elizabeth The Queen Mother Hospital, Margate
Queen Elizabeth Hospital, Woolwich
Queen's Hospital (Romford), Romford
Queens Hospital Burton, Burton-on-Trent
Queen Margaret Hospital, Dunfermline
Raigmore Hospital, Inverness
Rotherham District General Hospital
Royal Albert Edward Infirmary, Wigan
Royal Alexandra Hospital, Paisley
Royal Berkshire Hospital, Reading
Royal Bournemouth Hospital, Bournemouth
Royal Cornwall Hospital, Truro
Royal Derby Hospital, Derby
Royal Devon and Exeter Hospital, Exeter
Royal Free Hospital, London
Royal Glamorgan Hospital, Pontyclun
Royal Gwent Hospital, Newport
Royal Hampshire County Hospital, Winchester
Royal Lancaster Infirmary, Lancaster
Royal Marsden Hospital (London), London
Royal Marsden Hospital (Sutton), Sutton
Royal Oldham Hospital, Oldham
Royal Preston Hospital
Royal Shrewsbury Hospital, Shrewsbury
Royal Stoke Hospital, Stoke-on-Trent
Royal Surrey County Hospital
Royal Sussex County Hospital, Brighton
Russells Hall Hospital, Dudley
Salisbury District Hospital, Salisbury
Scarborough General Hospital, Scarborough
Singleton Hospital, Swansea
Southampton General Hospital
Southend University Hospital, Southend-on-Sea
Southmead Hospital, North Bristol
South Tyneside District Hospital, South Shields
St Bartholomew's Hospital, London
St George's Hospital (London), London
St James University Hospital (Leeds), Leeds
St Mary's Hospital, London
St Mary's Hospital, Newport, Isle of Wight
St Peter's Hospital, Chertsey
St Richard's Hospital, Chichester
Sunderland Royal Hospital, Sunderland
Torbay District General Hospital, Torquay            
University College Hospital, London
University Hospital Aintree, Liverpool
University Hospital Ayr
University Hospital Coventry and Warwickshire, Coventry
University Hospital Crosshouse
University Hospital of Hartlepool, Hartlepool
University Hospital Lewisham
University Hospital Llandough, Llandough
University Hospital of North Tees, Stockton-on-Tees
University Hospital of Wales, Cardiff
Velindre Hospital, Cardiff
Victoria Hospital (Blackpool), Blackpool
Victoria Hospital, Kirkcaldy
Wansbeck General Hospital, Ashington
West Cumberland Hospital, Whitehaven
West Middlesex University Hospital, Isleworth
West Suffolk Hospital, Bury St Edmunds
Western General Hospital, Edinburgh
Westmorland Hospital
Weston General Hospital, Weston Super Mare
Weston Park Hospital, Sheffield
Whittington Hospital, London
William Harvey Hospital, Ashford
Withybush General Hospital, Haverford West
Worcestershire Royal Hospital, Worcester
Worthing Hospital, Worthing
Wrexham Maelor Hospital, Wrexham
Wycombe Hospital, High Wycombe
Wythenshawe Hospital, Manchester
Yeovil District Hospital
Ysbyty Gwynedd, Bangor




The trial is being jointly funded by Cancer Research UK (grant number C471 /A15015,, the National Institute for Health Research Health Technology Assessment Programme (project number 12/01/38, and the MRC Clinical Trials Unit at UCL. In India, the Sir Dorabji Tata Trust provides funding.
© Add-Aspirin, MRC CTU at UCL cookies