The studies highlighted problems with recruitment and compliance .
CONCLUSIONS : There was insufficient evidence on the efficacy of psychological therapies in NUD .
OBJECTIVES : We conducted a systematic review to determine the effectiveness of psychological interventions including psychodrama , cognitive behavioral therapy , relaxation therapy , guided imagery , or hypnosis in the improvement of  dyspepsia symptoms in patients with nonulcer dyspepsia ( NUD ) .
The Leeds Dyspepsia Questionnaire: a valid tool for measuring the presence and severity of dyspepsia
There is currently no vali date d question naire that assesses both the presence and severity of dyspepsia
The studies highlighted problems with recruitment and compliance .
CONCLUSIONS : There was insufficient evidence on the efficacy of psychological therapies in NUD .
OBJECTIVES : We conducted a systematic review to determine the effectiveness of psychological interventions including psychodrama , cognitive behavioral therapy , relaxation therapy , guided imagery , or hypnosis in the improvement of  dyspepsia symptoms in patients with nonulcer dyspepsia ( NUD ) .