[1] Developed by Galen Research and published in 2003,[1] the ASQoL has been used in clinical studies worldwide.
The content for the measure was drawn from qualitative interviews that were conducted with ankylosing spondylitis (AS) patients.
[1] The ASQoL was initially developed in UK English and Dutch, but to date a total of 37 language versions have been adapted.
The language adaptations can be broken down into waves: Pharmaceutical companies began utilizing the ASQoL to test the effectiveness of newly developed TNF inhibitors, which aid in the treatment of ankylosing spondylitis.
[9][10] Since the development of the ASQoL, several studies have been performed in order to evaluate and validate the measure.