Intervention randomized controlled open study with 2 parallel arms . The objective of this study is to evaluate the feasibility of stopping the benzodiazepines treatment in elderly living in nursing homes. It will check that the judgment of these molecules has no pejorative effect on sleep or behavior of residents and does not induce withdrawal syndrome. Two patient groups will be constituted. One will begin a gradual withdrawal of benzodiazepines in six weeks. The other group will continue his treatment and withdrawal will be proposed after 8 weeks by his general practitioner (delayed intervention). Effects on sleep will be assessed by wrist actimetry for 10 weeks and a sleep diary . The repercussions of withdrawal on behavior will be rated by the NPI scale.
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Feasibility: Percentage of residents exposed to benzodiazepines & related molecules (B& RM) and eligible but refusing to participate in the trial included proportion of patients whose attending physician refuses to stop B & RM
Timeframe: screening
No negative impact on sleep assessed by NPI scale
Timeframe: evolution between day 0 and week 10
No negative impact on the behavior
Timeframe: evolution between day 0 and week 10