European neurology
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Comparative Study
Gender differences in coping with tension-type headaches.
To study gender differences of coping with illness strategies in tension-type headaches. ⋯ We conclude that pessimistic coping with illness strategies are more frequent in female episodic and chronic TTH sufferers. We would like to recommend special psychologic intervention in particular to female chronic TTH sufferers which would offer counseling in developing active coping skills.
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All trials require a principal investigator to take the lead role and act as main contact amongst the various groups of participants. His role ranges from assistance in protocol design; through selection of investigators, monitoring of study conduct and responding to Safety Committee recommendations; to involvement in study reporting and in maintaining access to the data set after the conclusion of the trial. This article describes the role of the principal investigator and Steering Committee in more detail and discusses the issues that arise out of the organisational requirements of modern clinical trials and the potential tensions between the various participating groups.
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The responsibility for reports about drug trials in medical journals should lie with the clinicians in the steering committee, not with the industrial sponsor. Examples of undue influence of sponsors on the conduct and analysis are the choice of surrogate outcome events, changes in the protocol during the trial, discontinuation of the study, post hoc analyses and suppression of publication. Since this essay was written, the International Committee of Medical Journal Editors ("Vancouver Group") has issued the condition that authors of submitted manuscripts should guarantee their independence in data analysis and reporting. ⋯ Institutional Review Boards should routinely take the matter of independence into account. Also, European guidelines should be rewritten to reflect these fundamental issues rather than a multitude of details. In fact not sponsors or physicians but patients and the general public are the true owners of trial data.