Welcome to the HORIZONS website

This is where you will find information, news and updates from the study.
Thank you for your participation and interest in the study.

For COVID19 information see the attached information

Who's taking part in HORIZONS?

We stopped recruiting to the study at the end of March 2019 and we now have over 3,300 patients taking part in HORIZONS.
Explore the graphic to find out more!


Please note: the HORIZONS participants data visualisation represents over 3,300 participants taking part. For data protection purposes, numbers have added to certain cancer types to make sure you cannot identify participants.

About the study:

  • HORIZONS is funded by Macmillan Cancer Support.

  • Researchers from the University of Southampton are leading the project and working with local cancer specialist teams.

  • We are recruiting 3,000 patients.
  • We are recruiting patients with a diagnosis of breast cancer who are under 50 years old, a gynaecological cancer or non-Hodgkin lymphoma.
  • Recruitment is taking place prior to treatment from hospitals across the UK.


Data are being collected using:

  • Questionnaires, prior to treatment and in the months and years beyond.

  • Some participants will be invited to take part in conversations about their experiences.

  • Routinely collected medical records data (with permission).