Functional Imaging of Psychic Pain

Status Terminated

Clinical Trial Summary

Suicidal behaviour (SB) represents a major public health problem, costing life in more that one million people every year worldwide. Even if SB is considered as a consequence of social adversity and depression, these stress factors are often necessary but not sufficient to explain the occurrence of a suicidal act. A preliminary study suggests that an increased perception of psychic pain during a major depressive disorder increases the risk of suicide behaviour. The investigators aimed to investigate the relationship between social exclusion (a classic trigger of psychic pain) and SB and improve our knowledge about the physiopathology of this domain.

Clinical Trial Description

Suicide behaviour (SB) represents a major public health problem. In order to improve prevention strategies, a better understanding of the physiopathology of SB is needed. According to a "stress vulnerability" model, people who make a suicide attempt when they are subject to a stress factor (environmental stress, interpersonal difficulties, depression, tobacco, substance abuse...) are those who have a specific vulnerability. Vulnerability factors to SB may be considered in clinical terms (propensity to hopelessness, aggressive impulsivity traits), neurobiological terms (serotoninergic system disorder, especially in the ventral prefrontal cortex-vPFC) and cognitive terms (decision making, cognitive functions mediated by the vPFC and the serotoninergic system). Finally, genetic factors seem also involved in suicide vulnerability. The investigators have conducted a preliminary study which suggests that increased perception of psychic pain during a major depressive disorder increases suicidal ideation and suicidal act. Study about anatomic basis of psychic pain and its triggers represents a relevant theme to understand the suicidal process. Among the classical factors triggering psychic pain and suicidal act, events of social exclusion appears to be crucial. Finally, many data suggests the close relationship between physic and psychic pain. ;

Study Design

Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01493323
Study type	Interventional
Source	University Hospital, Montpellier
Contact
Status	Terminated
Phase	N/A
Start date	May 2010
Completion date	December 2014

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.