Welcome to Add-Aspirin

This website is designed to provide information about the Add-Aspirin Trial, both for people taking part in the trial (participants) and collaborators. Please use the menus at the top of the screen to find out more about the trial.

Add-Aspirin is a large randomised clinical trial, which is taking place in the UK, Republic of Ireland and India. It will recruit 11,000 participants to help find out whether regular aspirin use after treatment for an early stage cancer can prevent the cancer from coming back and preventing deaths.

Congratulations to our top 5 recruiting centres:

  1. Tata Memorial Hospital, Mumbai
  2. University Hospital Coventry & Warwickshire
  3. Western General Hospital
  4. Worcestershire Royal Hospital
  5. Royal Lancaster Infirmary

*For General and Clinical Queries, please check our FAQs*

News 

A notice for Participants being randomised in Add-Aspirin from 1st April 2023

View notice for participants

 

New link for site users to access DSMS and Registration/Randomisation Server

Our weblink has been updated. Please use the following link (Data Management Systems External Applications) when registering patients (and randomising in ROI/India) and accessing the Drug Supply Management System

 

New Participant Information Video

To find out more about the Add-Aspirin clinical trial, please watch our video. This video is for UK patients only.

Quick Links

Register a participant

From Monday 16th March 2020, to RANDOMISE a participant from the UK please call +44 (0)20 7670 4925, rather than the usual randomisation line.

To RANDOMISE a participant from Republic of Ireland or India only, please use the 'Register a participant' link above to randomise online. Please make sure to press 'Randomise' once logged in to the server.

Unblind a participant in the UK

Unblind a participant in the RoI

Unblind a participant in India

Breast

We aim to recruit 4300 individuals who have had surgery to remove an early stage breast cancer.

Current Recruitment Status:
Closed

Detailed eligibility criteria available here 

Top recruiters: Tata Memorial Hospital Mumbai, Western General Hospital, Worcestershire Royal Hospital, Churchill Hospital Oxford  

Participants Registered: 4302
Participants Randomised: 3662

Colon/Rectum

We aim to to recruit 2700 individuals who have had surgery to remove an early stage bowel cancer. 

Current Recruitment Status:
Closed

Detailed eligibility criteria available here 

Top recruiters: Western General Hospital, St James's University Hospital, Tata Memorial Hospital Mumbai, Bristol Haematology & Oncology Centre

Participants Registered: 2760
Participants Randomised: 2332

Gastro

We aim to recruit 1000 individuals who have had surgery or a combination of chemotherapy and radiotherapy to treat a cancer of the stomach or oesophagus (food pipe).

Current Recruitment Status: Open In UK And India

Closed In The ROI

Detailed eligibility criteria available here

Top recruiters: Tata Memorial Hospital Mumbai, Cancer Institute (WIA), Basavatarakam Indo-American Cancer Hospital & Research Institute, Christie Hospital

Participants Registered: 959
Participants Randomised: 764

Prostate

We aim to recruit 2200 individuals who have had surgery or radiotherapy to treat an early stage prostate cancer.

Current Recruitment Status:
Closed

Detailed eligibility criteria available here

Top recruiters: University Hospital Coventry & Warwickshire, Darent Valley Hospital, University Hospital of Wales, Queen Elizabeth Hospital King's Lynn

Participants Registered: 2197
Participants Randomised: 1917

the trial is being jointly funded by