Type D Personality and Life Satisfaction in Bipolar II and Major Depressive Disorder
Official title: Examination of Type D Personality and Factors Associated With Life Satisfaction in Parents of Patients Diagnosed With Bipolar Disorder Type 2 and Major Depressive Disorder
Run by Elazığ Mental Health and Diseases Hospital · NCT07679204 · Data updated 2026-11-12
This study tests how Type D personality relates to life satisfaction in adults with Bipolar II or Major Depressive Disorder and in healthy controls.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 180 (estimated) |
| Sponsor | Elazığ Mental Health and Diseases Hospital Government |
| Locations | 1 site (Elâzığ) |
| Status | Recruiting |
| Started | December 23, 2024 |
| Main results expected | December 24, 2026 |
| Study ends | December 24, 2026 |
| Registry record updated | July 1, 2026 |
| Trial ID | NCT07679204 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults (18+) with a DSM-5-TR diagnosis of Bipolar II disorder in remission or Major Depressive Disorder in remission, and healthy control participants with available parents for comparison.
✕Probably not a fit
Individuals not in remission, or those with comorbid conditions listed in the exclusion criteria, may have limited relevance to the study outcomes.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a cross-sectional observational study examining Type D personality traits and life satisfaction among adults with Bipolar II disorder, Major Depressive Disorder, and their parents. It aims to describe the prevalence of Type D personality in these groups and how it correlates with self-reported life satisfaction. Participants include 30 BD-II patients, 30 MDD patients, 30 healthy controls, and the parents of the controls and patients. Data will be collected through standardized questionnaires to assess personality traits, mood symptoms, and quality of life. The findings may shed light on psychosocial vulnerabilities and inform future research on familial risk and patient-centered care.
Why it matters
Potential benefit: If successful, the study could highlight how Type D personality relates to life satisfaction, guiding future psychosocial interventions for mood disorders.
How similar studies have gone: Prior research has linked Type D personality to greater distress and poorer quality of life in mood disorders, but this exact cross-group comparison with BD-II, MDD, and controls is relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
1. For Bipolar Disorder Type II (BD-II) Group:
\*Inclusion Criteria:
* Diagnosis of BD-II according to DSM-5-TR
* Remission period
* Age ≥ 18 years
* Provided informed consent
For Bipolar Disorder Type II (BD-II) Group:
\*Exclusion Criteria:
* Hypertension
* Diabetes mellitus
* Chronic kidney disease
* Rheumatoid arthritis
* Systemic lupus erythematosus
* Cardiac illness
* Severe neurological disorders
* Immunological or systemic illness
* Primary psychiatric disorders other than BD-II and not in remission for BD-II
* Alcohol/drug/substance use
2. For Major Depressive Disorder (MDD) Group:
\*Inclusion Criteria:
* Diagnosis of MDD according to DSM-5-TR
* Remission period
* Age ≥ 18 years
* Provided informed consent
For Major Depressive Disorder (MDD) Group:
* Exclusion Criteria:
* Hypertension
* Diabetes mellitus
* Chronic kidney disease
* Rheumatoid arthritis
* Systemic lupus erythematosus
* Cardiac illness
* Severe neurological disorders
* Immunological or systemic illness
* Primary psychiatric disorders other than MDD and not in remission for MDD
* Alcohol/drug/substance use
3. For Healthy Control (HC) Group:
\*Inclusion Criteria:
* No psychiatric diagnosis
* No systemic or immunological illness
* Medication-free for at least one month
* Age ≥ 18 years
* Provided informed consent
For Healthy Control (HC) Group:
\*Exclusion Criteria:
* Hypertension
* Diabetes mellitus
* Chronic kidney disease
* Rheumatoid arthritis
* Systemic lupus erythematosus
* Cardiac illness
* Severe neurological disorders
* Immunological or systemic illness
* Having psychiatric disorders
* Alcohol/drug/substance use
4. For Healthy Father and/or Mother of Bipolar Disorder Type II (BD-II) Group:
\*Inclusion Criteria:
* No psychiatric diagnosis
* No systemic or immunological illness
* Medication-free for at least one month
* Age ≥ 18 years
* Provided informed consent
For Healthy Father and/or Mother of Bipolar Disorder Type II (BD-II) Group:
\*Exclusion Criteria:
• Hypertension
* Diabetes mellitus
* Chronic kidney disease
* Rheumatoid arthritis
* Systemic lupus erythematosus
* Cardiac illness
* Severe neurological disorders
* Immunological or systemic illness
* Having psychiatric disorders
* Alcohol/drug/substance use
5. For Healthy Father and/or Mother of Major Depressive Disorder (MDD) Group:
\*Inclusion Criteria:
* No psychiatric diagnosis
* No systemic or immunological illness
* Medication-free for at least one month
* Age ≥ 18 years
* Provided informed consent
For Healthy Father and/or Mother of Major Depressive Disorder (MDD) Group:
\*Exclusion Criteria:
• Hypertension
• Diabetes mellitus
• Chronic kidney disease
• Rheumatoid arthritis
• Systemic lupus erythematosus
• Cardiac illness
• Severe neurological disorders
* Immunological or systemic illness
* Having psychiatric disorders
* Alcohol/drug/substance use
6. For Healthy Father and/or Mother of Healthy Control (HC) Group:
\*Inclusion Criteria:
• No psychiatric diagnosis
• No systemic or immunological illness
* Medication-free for at least one month
* Age ≥ 18 years
* Provided informed consent
For Healthy Father and/or Mother of Healthy Control (HC) Group:
\*Exclusion Criteria:
* Hypertension
* Diabetes mellitus
* Chronic kidney disease
* Rheumatoid arthritis
* Systemic lupus erythematosus
* Cardiac illness
* Severe neurological disorders
* Immunological or systemic illness
* Having psychiatric disorders
* Alcohol/drug/substance use
Where it's running
-
Elazığ Fethi Sekin City Hospital
Elâzığ, Turkey (Türkiye) Recruiting
Study contacts
- Study coordinator: Mehmet Hamdi Örüm, MD, Associate Professor
- Email: mhorum@hotmail.com
- Phone: +905382207558
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.