• Tamás Gyüre, Éva Csépány, Boglárka Hajnal, István Kellermann, Eszter Balogh, Zsolt Nagy, Nóra Manhalter, György Bozsik, and Csaba Ertsey.
• Ideggyogy Szemle. 2014 May 30;67(5-6):169-76; discussion 177.

Background And PurposeMedication overuse headache (MOH) is a common form of disabling headache presenting in as much as 30% of the patients seen in headache subspecialty practice. Quality of life (QOL) is frequently used as a secondary endpoint in headache trials. In MOH, previous trials of QOL focused mostly on generic QOL. We report the results of a pilot study that examined the feasibility of using a new QOL questionnaire, the 23-item Comprehensive Headache-related Quality of life Questionnaire (CHQQ), as an indicator of treatment response in MOH.Patients And MethodsFifteen patients (13 women and two men; mean age: 39.7 +/- 12.5 years) suffering from MOH were enrolled in a complex treatment programme consisting of acute medication withdrawal, preventive pharmacological treatment, structured advice and lifestyle intervention. The clinical data were collected using a detailed headache diary. CHQQ was completed before and after the treatment programme.ResultsMOH patients had low QOL values at baseline which was comparable to the QOL of episodic migraine patients. The treatment programme resulted in significant reductions of the number of headache days and attacks, headache severity and analgesic consumption. The dimensions and total score of CHQQ showed a significant increase after the treatment period. Seventeen of CHQQ's 23 individual items also improved significantly.ConclusionIn this study the new headache-specific quality of life instrument CHQQ was able to demonstrate significant improvements after adequate treatment of MOH. This result indicates that the CHQQ may be an adequate tool for assessing quality of life in headache treatment trials.

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