“…There is a lack of placebo-controlled clinical trials with sufficient participant numbers that assess different treatment methods and a lack of high-quality clinical trials in HS patients where HRQoL instruments have been used as outcome measures. The EADV TFs encouraged the further development, validation and use of other HS-specific, dermatology-specific and generic instruments, but such use should be based on the principles presented by the EADV TF on QoL and Patient Oriented Outcomes [ 15 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 ]. The aim of the present review is to present an update on recent QoL studies in HS.…”