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Introduction: Primary immunodeficiencies (PIDs) are a heterogeneous group of rare diseases characterized by increased susceptibility to infections and a reduced quality of life (QoL). The influence of a patient empowerment programme for PID (PID-PEP) on general and health-related QoL was assessed in the present study., Material and Methods: PID-PEP is provided by a multidisciplinary team for patients with PID and immunoglobulin G (IgG) replacement therapy during a weekend course to improve patient self-management regarding chronic disease and long-term therapy. Twenty-six adult patients with PID undergoing PID-PEP were recruited. Short Form-36 (SF-36) and the Life Quality Index (LQI) were assessed as generic and disease-specific QoL instruments before as well as 6 months after the programme., Results: Median visual analogue scale (VAS) values of present health status significantly increased from 68 at baseline to 76 after PID-PEP (p = 0.002). Furthermore, the SF-36 mental component summary (MCS) significantly improved from 36 to 43 following the programme (p = 0.042). Of the eight SF-36 dimensions, vitality (VT) significantly improved (p = 0.025). Median LQI index significantly increased from 77 at baseline to 86 after PID-PEP (p = 0.008). Furthermore, the LQI domains treatment interference (I) and therapy-related problems (II) significantly improved., Conclusions: Our PID-PEP significantly improved general and health-related QoL. It needs to be evaluated in future studies whether the beneficial effects of PID-PEP are sustained over longer periods of time and whether repeated PID-PEP sessions further improve QoL outcome., Competing Interests: The authors declare no conflict of interest., (Copyright © 2021 Termedia.)