See if Borderline Personality Disorder can be viewed as a Relationship-Use Disorder

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This interventional study examines a novel way to conceptualize borderline personality disorder as a relationship-use disorder, focusing on addictive-like patterns in seeking external validation. Participants will complete a relationship-use questionnaire to explore how perceived self-worth and emotional dysregulation relate to relationship behaviors. The study includes adults with BPD without bipolar disorder, adults with bipolar disorder without BPD, and healthy controls, using SCID-confirmed diagnoses. It is conducted at CHU Montpellier under the University Hospital of Montpellier with no stated collaborator sites. The aim is to see if relationship dynamics meet DSM-5 addiction criteria and how these dynamics interact with self-perception and regulation.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* General : aged 18-45
* Specific :
* Borderline personality disorder (BPD)assessed by SCID, without bipolar disorder
* Bipolar disorder (assessed by SCID), without BPD (evaluated by SCID)
* Healthy controls with no psychiatric disorders (screened by SCID).

Exclusion Criteria:

* Psychotic disorders (evaluated by SCID)
* lack of informed consent
* Not affiliated with social security
* Under judicial or administrative confinement or involuntary hospitalization
* Protected by law (e.g., under guardianship)
* Pregnancy or breastfeeding
* Inability to understand, speak, or write in French
* Inability to understand the study's purpose or methodology
* Excluded from another study during the exclusion period
* Participants who have received over €6000 in annual indemnities
* For Bipolar Participants (without BPD) : Current moderate or severe depressive episode (BDI score \> 18) or Current hypomanic/manic episode (YMRS \< 12)

Where it's running

• CHU Montpellier
  Montpellier, France Recruiting

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.