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Objective: Some prenatal situations may be characterized as concerning on the medico-psycho-social level, leaving a risk of danger to the unborn child, raising different issues between prevention and protection, legal and justified. The objectives were to evaluate the professionals’ perceptions with respect to the most worrying prenatal situations, to assess the practices of care, and to identify potential measures for improvement., Method: The research was based on a qualitative-quantitative methodology: Semi-directed interviews with experts who allowed the construction of a questionnaire, validated according to a Delphi-type methodology, and a regional survey based on the questionnaire, which was directed to the maternities and the departmental councils., Results: The participation rate was 69%. The survey revealed a willingness to create regional perinatal partnerships, an awareness of ethical issues (information sharing, conflict of values, ethics of Care, vulnerability…), and a lack of knowledge of the regulatory framework (legal, ethical). Different possibilities of improvement have been proposed., Conclusion: Simultaneously, this study participates in the observatory missions of the ethical committee, as well as in public policies of perinatal prevention.

Announcement of cancer diagnosis and first contact with medical team in charge of treatment is critical for the patient as well as for the quality of care. The French Cancer Plan include a special focus on these announcement which should be performed in adequate conditions and which should include the presentation of a personalised treatment plan, that reflect multidisciplinary discussion and decision performed before. In order to generalized a formal announcement consultation all over the country in 2005, an experimentation has been performed in 58 centers grouped in 37 projects. Neuro-Oncology Unit of the Assistance Publique-Hopitaux de Marseille did participate to that experimentation. Evaluation of these experiment focus on physician, nurse, and patient perception as well as cost impact and exploration of language during that particular time. Implication of a referent nurse in that time was a strong option of our center. We analyzed the result in 80 patients referred in our center for initial diagnosis (78%) or announcement of recurrence (14%) in a 5 months time. Implication of the nurse appear to be critical for patient confidence and accessibility to information for the all medical team. Organization of a particular time devoted to cancer announcement appear to have a favourable impact on quality of care and patient perception, and constitute a first step to a personalized management of patients with cancer.

Pharmaceutical research constitutes a significant cost for pharmaceutical companies. Because of the importance of the financial investment in research projects, companies must protect their discoveries. There are multiple ways to do this. First, the legal avenue can be divided into three parts: a pharmaceutical company can protect a new drug by a patent, then an additional patent or a secondary patent; moreover, since 1992 in Europe, the pharmaceutical industry has been able to extend a patent by the "Supplementary Protection Certificate" (le Certificat Complémentaire de Protection [CCP]). The nonjuridical way is to use the chiral "switch", which can extend patents close to expiring, thus enhancing profitability.

Introduction: This paper focuses on the methodology and behavioural results of the tryptophan depletion challenge., Methods: A Medline search (1985-2002) using the keywords 'tryptophan depletion' and 'mood' has been performed., Results: Rapid depletion is obtained by morning intake under fasting condition of a tryptophan-free amino-acid mixture. Subjects with a family history of mood disorders and depressed patients receiving serotoninergic drugs demonstrate a mood-lowering effect. However, these effects are limited or absent in normal volunteers and naive depressed patients., Conclusion: The tryptophan depletion challenge has largely contributed to the understanding of the physiopathology of depression. However, the mood response to acute tryptophan depletion challenge in healthy volunteers is not as sensitive as a 'depression model'.