NCT07857213Completed
Seasonality, Chronotype, Impulsivity, and Suicidality in Mood Disorder Patients
The Relationship of Seasonality, Chronotype, Impulsivity and Suicidality in Patients With Bipolar Disorder and Unipolar Depression
Source: ClinicalTrials.gov · Last updated 5 Oct 2026
Brief summary (registry, in English)
The aim of the study is to examine the seasonal variation of suicidal ideation in patients with mood disorders and the trajectory of impulsivity and suicidal ideation in patients with higher seasonality. It also aims to identify seasonal and chronotype factors that contribute to the development of impulsivity and suicidal ideation.
- Status (registry)
- Completed
- Study type
- Observational
- Enrollment
- 120 (actual)
- First submitted
- 30 Apr 2024
- Start date
- 22 Jun 2023
- Primary completion date
- 1 Sept 2024
- Lead sponsor
- Istanbul University - Cerrahpasa
- Diseases
- Depression, Bipolar disorder
- NCT number
- NCT07857213
What you commit to
- Study type: Observational
- Participants enrolled: 120
- From 22 Jun 2023 to the primary completion date, 1 Sept 2024
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Changes in medication therapy within 2 weeks prior to the examination in follow-up interviews
Other illness
- Not meeting the DSM-5 criteria for Bipolar Affective Disorder-I, Bipolar Affective Disorder-II or Unipolar Depression
- The presence of another medical illness to explain the current clinical picture
- Diagnosis of a neurological or neurosurgical disease
Other
- Poor general health
- Having a major mood episode in follow-up interviews
Who the study is looking for
- To be willing and eager to participate in the study after reading and understanding the informed consent form
- Being diagnosed with Bipolar Affective Disorder-I, Bipolar Affective Disorder-II or Unipolar Depression according to DSM-5 criteria
- Being between the ages of 18-65
- At least primary school graduate
- No other medical illness to explain the current clinical picture
- No neurological or neurosurgical disease
- Good general health and well-being
- No medication change in follow-up interviews for the last 2 weeks
- Euthymic or subthreshold symptoms in follow-up interviews (not meeting the criteria for a major mood episode)
Age in the registry: 18 years to 65 years · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Istanbul University Cerrahpaşa - Cerrahpaşa Faculty of Medicine Coordinator of this site? Confirm its status | Istanbul | Turkey (Türkiye) | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.