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Completed

NCT Number: NCT06991244

EMDR 2.0 Group Therapy for PTSD, Depression, and Anxiety in Earthquake Survivors

The objective of this clinical study was to examine whether a brief EMDR 2.0 group intervention could reduce symptoms of post-traumatic stress disorder (PTSD), depression, and anxiety in adult survivors of the 2023 Türkiye earthquake. The study was conducted face-to-face in a container city in Malatya, one of the regions most severely affected by the disaster. EMDR 2.0 is an enhanced version of standard EMDR therapy that uses working memory taxation techniques to accelerate emotional processing.

The primary research questions included whether EMDR 2.0 group therapy reduces PTSD symptoms in earthquake survivors, and whether it helps decrease symptoms of depression and anxiety.

Participants attended three EMDR 2.0 group sessions in person over the course of one week and completed psychological assessments before the intervention, one week after, and one month after. Verbal disclosure of traumatic memories was not required during the sessions. Researchers used self-report questionnaires to evaluate changes in trauma-related distress, depression, and anxiety. This study contributes to the development of fast, accessible, and field-based psychological support strategies for communities affected by disasters.

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Key information

Age range

18 year and older

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Malatya Teknokent Container Settlement

Battalgazi, Malatya, 44000, Turkey (Türkiye)

About this study

Following the 2023 Türkiye earthquakes, widespread displacement, loss, and psychological trauma created an urgent need for effective and accessible mental health interventions. This clinical study was developed to address that need by offering a rapid, structured group therapy protocol-EMDR 2.0-to adult survivors residing in a temporary container city in Malatya, a region significantly impacted by the disaster.

EMDR 2.0 is a modified version of traditional Eye Movement Desensitization and Reprocessing therapy. It intensifies working memory taxation through structured, dual-attention tasks and allows for the safe and efficient processing of traumatic memories without requiring verbal disclosure.

The intervention was delivered in the same container units used as temporary housing by survivors, thereby transforming these living spaces into short-term therapeutic settings. Over the course of one week, three group sessions were administered in person. While participants were gathered in a group format, each individual engaged in processing their own traumatic imagery using the EMDR 2.0 protocol.

This approach provided containment and emotional safety within a physically and psychologically shared post-disaster context. Verbal expression of trauma was not required, which minimized the risk of retraumatization and enhanced the accessibility of the intervention for individuals hesitant to disclose.

The study was designed not only to evaluate the effectiveness of EMDR 2.0 in reducing symptoms of PTSD, depression, and anxiety but also to assess the feasibility of implementing this method under real-world post-disaster conditions with limited resources. The findings contribute to the growing body of knowledge on scalable trauma interventions suitable for use in field-based, high-need humanitarian settings.

This work underscores the potential of brief, structured group interventions to facilitate emotional recovery when survivors are supported in environments that respect both their privacy and collective experience.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 18 years or older
  • Being a survivor of the 2023 Türkiye earthquakes
  • Currently residing in a temporary container settlement in Malatya
  • Ability to attend all three face-to-face intervention sessions
  • Ability to provide informed consent
  • Sufficient cognitive and emotional capacity to complete self-report questionnaires
  • Basic literacy (reading and writing) in Turkish to understand and complete self-report scales
  • Willingness to voluntarily participate in the study

Exclusion criteria

  • Having a current diagnosis of a psychotic disorder (e.g., schizophrenia, bipolar disorder with psychotic features)
  • History of severe head trauma or neurological condition affecting cognitive capacity
  • Active suicidal ideation or risk requiring emergency psychiatric care
  • Ongoing substance dependence
  • Receiving concurrent trauma-focused psychotherapy during the study period
  • Significant hearing, vision, or language impairment interfering with participation
  • Inability to attend scheduled sessions or complete follow-up assessments

Treatment and study plan

EMDR 2.0 Group Protocol

Behavioral

A short-term trauma-focused group protocol adapted from EMDR 2.0, delivered in three sessions over one week, targeting PTSD, depression, and anxiety symptoms among earthquake survivors. The first session lasted 90 minutes, followed by two 60-minute sessions. The intervention was administered face-to-face in a container city in Malatya, Türkiye. All sessions were conducted by a certified EMDR therapist who had completed advanced EMDR 2.0 training.

Primary outcomes

  1. PTSD symptom severity

    Time frame: Assessed at three time points - before the intervention (Day 0), one week after the completion of the third session (approximately Day 7), and one month after the completion (approximately Day 30)

    The primary outcome is the change in PTSD symptoms as measured by the PCL-5, a 20-item self-report questionnaire that assesses PTSD symptoms based on DSM-5 criteria. The scale includes four subscales: intrusion, avoidance, negative alterations in cognition and mood, and alterations in arousal and reactivity. Higher scores indicate greater symptom severity.

Secondary outcomes

  1. Depression symptom severity (DASS-21 Depression subscale)

    Time frame: Assessed at three time points: before the intervention (Day 0), one week after completion of the third session (approximately Day 7), and one month after completion (approximately Day 30)

    The DASS-21 Depression subscale evaluates core symptoms such as dysphoria, hopelessness, and devaluation of life. Higher scores indicate more severe depressive symptoms.

  2. Anxiety symptom severity (DASS-21 Anxiety subscale)

    Time frame: Assessed at three time points: before the intervention (Day 0), one week after completion of the third session (approximately Day 7), and one month after completion (approximately Day 30)

    The DASS-21 Anxiety subscale measures autonomic arousal, skeletal muscle effects, situational anxiety, and subjective experience of anxious affect.

  3. Stress symptom severity (DASS-21 Stress subscale)

    Time frame: Assessed at three time points: before the intervention (Day 0), one week after completion of the third session (approximately Day 7), and one month after completion (approximately Day 30).

    The DASS-21 Stress subscale evaluates persistent tension, irritability, and difficulty relaxing. Higher scores indicate elevated stress-related symptoms.

Sponsors and collaborators

Lead sponsor

Okan University

Other

Registry information

Official study title

The Effectiveness of EMDR 2.0 Group Intervention on Post-Traumatic Stress, Depression, and Anxiety Symptoms in Earthquake Survivors

Acronym: EQ-EMDR20

Important dates

Study start
2024
Primary completion
2024
Study completion
2024
First posted
May 27, 2025
Registry last updated
May 31, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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