Clinical trial Recruiting at 1 site Observational

Cohort of patients with major depressive episodes focusing on sleep and biological rhythms

Official title: Cohort of Patients Suffering From Major Depressive Episode With Evaluation of Sleep, Circadian Rhythms and Psychiatric Disorders

Run by Assistance Publique - Hôpitaux de Paris · NCT05866991 · Data updated 2026-11-12

This study is trying to find out if certain sleep and biological markers can help identify different types of depression in patients to improve how we diagnose and treat it.

More Major Depressive Episode trials

Quick facts

Study typeObservational
SexAll
Enrollment1000 (estimated)
SponsorAssistance Publique - Hôpitaux de Paris
Academic / other
Locations1 site (Paris, Paris)
StatusRecruiting
StartedFebruary 1, 2023
Main results expectedFebruary 1, 2033
Study endsMay 1, 2033
Registry record updatedAugust 12, 2026
Trial IDNCT05866991 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study include individuals of all ages experiencing a major depressive episode as defined by DSM-5 criteria.

Probably not a fit

Patients who do not understand or read French or have medical conditions incompatible with the study's requirements may not benefit from this study.

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

What this trial studies

This observational study aims to build a national cohort in France to identify biomarkers related to sleep and biological rhythms in patients suffering from major depressive episodes. By evaluating these markers, the study seeks to validate more homogeneous subgroups of patients and better understand the manifestations and pathogenesis of depressive disorders. The research is conducted through the SoPsy clinical and research network, which collaborates with the French biological psychiatry and sleep societies. The ultimate goal is to enhance the clinical practice surrounding the diagnosis and treatment of depression.

Why it matters

Potential benefit: If successful, this study could lead to improved diagnostic and therapeutic strategies for patients with major depressive episodes.

How similar studies have gone: While there have been efforts to identify biomarkers for depression, this approach focusing on sleep and biological rhythms is relatively novel and has not been extensively tested in this context.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Individuals with depressive episode characterized according to the DSM-5 criteria regardless of the associated characteristics and comorbidities.
* Adult and child
* Affiliated to a social security

Exclusion Criteria:

* don't understand or read french
* Medical condition incompatible with administration of questionnaire
* impossibility to give informed decision (subject in an emergency condition, etc.)

Where it's running

  • Hôpital Bichat Claude Bernard
    Paris, Paris, France
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.