[Qualitative analysis of the perception of people who participate in a clinical trial, Navarra].

Background: The objective of this study is to explore the perception that participants in a clinical trial have about the information disclosured by the physician, during patient recruitment and along the study as a preliminary stage for drafting a questionnaire.

Methods: Qualitative study by means of quasi-structure interviews to subjects of different features taken from a patients list obtained by randomized selection of participants in clinical trials approved within the 1998-1999 period. For conducting the interviews, a guide was prepared based on the recommendations of the Helsinki Declaration.