Quality of Life Group

Giving a voice to patients

75
Questionnaires available

The EORTC Quality of Life questionnaires are developed to assess the quality of life of cancer patients

1000+
Questions in the Item Library

Interactive database of items used in fully and partially validated EORTC quality of life questionnaires

120+
Languages for QoL measures

Linguistic and cultural issues are at the heart of EORTC questionnaire development from the outset of each project

EORTC Quality of Life Conference 2025

6th EORTC Quality of Life in Cancer Clinical Trials Conference

Barcelona, Spain

Latest news

Spotlight on our tools

  • Manuals

    As research into patient quality of life has become increasingly important, the QLG is keen that high quality information regarding its assessment and use in clinical trials be available.

  • EORTC QLQ-C30

    Questionnaire developed to assess the quality of life of cancer patients. It has been translated and validated into over 100 languages and is used in each year in more than 5,000 studies worldwide.

  • EORTC CAT Core

    A computerised adaptive testing (CAT) version of the EORTC QLQ-C30 has been developed by the EORTC QLG to maximise the information obtained through questionnaire administration by adapting the questionnaire to the individual respondent.

  • EORTC QLU-C10D

    This questionnaire is a validated health utility instrument which enables calculation of utility scores from the parent HRQOL instrument, EORTC QLQ-C30, based on 10 of the 15 dimensions covered by the QLQ-C30.

Highlights

Latest publication