effect of psychological interventions for narcissistic personality disorder

Comparing the efficacy of Unified Protocol with Schema focused Therapy in reducing narcissistic personality disorder symptoms

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20231106059970N3

Enrollment

Registered

2025-05-01

Start date

2025-04-08

Completion date

Unknown

Last updated

2025-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Narcissistic Personality Disorder. Narcissistic personality disorder

Interventions

Intervention 1: Intervention group1: The Unified Protocol (UP), is emotion-focused cognitive-behavioral therapy. It consists 5 core treatment modules: (1) mindful emotion awareness, (2) cognitive flex

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Meet at least 5 out of 9 Narcissistic personality disorder criteria of DSM-5-TR at least 18 years old Be able to speak and read Farsi

Exclusion criteria

Exclusion criteria: intellectual disability change in dosage and type of psychiatric medicine 3-months prior to the study met criteria for a psychotic disorder met criteria for bipolar disorder Having neurological disorders Required specialized treatment for high risk of suicide received 8 or more sessions of psychotherapies within last 5 years

Design outcomes

Primary

Measure	Time frame
Severity of narcissistic personality symptoms. Timepoint: Baseline, post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: By using self-report questionnaire named "Pathological Narcissism Inventory".;Narcissistic personality disorder. Timepoint: Baseline, post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: Using Structured Structured Clinical Interview for DSM-5 Personality Disorders.	—

Measure

Time frame

Severity of narcissistic personality symptoms. Timepoint: Baseline, post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: By using self-report questionnaire named "Pathological Narcissism Inventory".;Narcissistic personality disorder. Timepoint: Baseline, post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: Using Structured Structured Clinical Interview for DSM-5 Personality Disorders.

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Secondary

Measure	Time frame
Severity of emotion dysregulation. Timepoint: Baseline,post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: Self-report questionnaire named "the Difficulties in Emotion Regulation Scale".;Severity of anger. Timepoint: Baseline,post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: Self-report questionnaire named " the State-Trait Anger Expression Inventory–2".;Severity of shame. Timepoint: Baseline,post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: Self-report questionnaire named" the Experience of Shame Scale".	—

Measure

Time frame

Severity of emotion dysregulation. Timepoint: Baseline,post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: Self-report questionnaire named "the Difficulties in Emotion Regulation Scale".;Severity of anger. Timepoint: Baseline,post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: Self-report questionnaire named " the State-Trait Anger Expression Inventory–2".;Severity of shame. Timepoint: Baseline,post-treatment, 6,9, and 12 months after interventions will be finished as a follow-up phase. Method of measurement: Self-report questionnaire named" the Experience of Shame Scale".

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactBanafsheh Mohajerin

Shahid Beheshti University of Medical Sciences

banafshehmohajerin@gmail.com+98 21 2303 1548

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026