# ARCT on the effectiveness of the EMDR Protocol for Recent Critical Incidents and Ongoing Traumatic Stress (EMDR-PRECI) in reducing PTSD symptoms in an Australian adult population with prolonged adverse experiences - URL: https://alisanburak.com/en/yakin-zamandaki-kritik-olaylar-ve-devam-eden-travmatik-stres-icin-emdr-protokolu-emdr-preci-uzerine-arct-uzun-sureli-olumsuz-deneyimleri-olan-avustralyali-yetiskin-bir-populasyonda-tssb-semptomlari - Language: en - Last updated: 2026-09-15 - Page title: ARCT on the effectiveness of the EMDR Protocol for Recent Critical Incidents and Ongoing Traumatic Stress (EMDR-PRECI) in reducing PTSD symptoms in an Australian adult population with prolonged adverse experiences | Assoc. Prof. Dr. Alişan Burak Yaşar > Poster presentation | EMDR EUROPE Conference Dublin 2024 ARCT on the EMDR Protocol for Recent Critical Incidents and Ongoing Traumatic Stress (EMDR-PRECI), This page was translated automatically from Turkish. [Read the original](https://alisanburak.com/yakin-zamandaki-kritik-olaylar-ve-devam-eden-travmatik-stres-icin-emdr-protokolu-emdr-preci-uzerine-arct-uzun-sureli-olumsuz-deneyimleri-olan-avustralyali-yetiskin-bir-populasyonda-tssb-semptomlari) [← Back to blog](https://alisanburak.com/en/blog) # ARCT on the effectiveness of the EMDR Protocol for Recent Critical Incidents and Ongoing Traumatic Stress (EMDR-PRECI) in reducing PTSD symptoms in an Australian adult population with prolonged adverse experiences July 30, 2024EMDR Europe Symposium 2024 Posters Poster presentation | EMDR EUROPE Conference Dublin 2024 **ARCT on the effectiveness of the EMDR Protocol for Recent Critical Incidents and Ongoing Traumatic Stress (EMDR-PRECI) in reducing PTSD symptoms in an Australian adult population with prolonged adverse experiences** **Authors:** Amanda Jones & Carol Gutierrez Translated by: Specialist Psychologist Gizem Pozam **Preliminary Findings:** Background Despite advances in therapeutic approaches, optimal interventions for PTSD remain a subject of ongoing research. This poster summarises the preliminary findings of a randomised controlled trial conducted to evaluate the effectiveness of EMDR-PRECI in treating adults with prolonged adverse experiences and PTSD symptoms within 1 day. The findings could inform clinical practice in Australia and represent a significant advance in trauma-focused interventions for adults with prolonged adverse experiences and PTSD. **OBJECTIVE** The study aims to assess the effectiveness of EMDR-PRECI in significantly reducing PTSD symptoms and achieving clinically significant changes in adults with prolonged adverse experiences. Participants in the treatment group will receive a maximum of one six-hour EMDR-PRECI session delivered by the same clinician: The control group will not receive treatment during the study period. **METHODOLOGY** This study will use a two-arm randomised controlled trial (RCT) design with a wait-list, no-treatment control group. PTSD symptoms will be measured at two time points: pre-treatment and post-treatment. For ethical reasons, control group participants will receive the intervention after the follow-up assessment point. **PRELIMINARY RESULTS** To date, 22 participants who met the criteria for PTSD have undergone treatment. Of these, 20 no longer meet the criteria for PTSD at the post-treatment assessment. It is hypothesised that the treatment group will show significant reductions in PTSD symptoms compared with the untreated control group. **Analysis** PTSD symptom severity and treatment response will be measured using the PTSD Checklist for DSM-5 (PCL-5), focusing on symptoms over the past week. Upon completion of the study, the data will be analysed using independent-samples t-tests and ANOVA for two repeated measurements (pre-treatment, post-treatment). Subgroup analyses will explore potential moderating factors. **Conclusion** This study is expected to offer valuable insights into the effectiveness of incorporating full-day (6-hour) EMDR-PRECI therapy into PTSD treatment protocols. The findings will clarify how this intensive therapy approach can improve overall functioning and accelerate the reduction of PTSD symptoms in clients who have experienced prolonged adversity. **ENGLISH VERSION BELOW** ARCT on the EMDR Protocol for Recent Critical Incidents and Ongoing Traumatic Stress (EMDR-PRECI) effectiveness in the Reduction of PTSD symptoms of an Australian adult population with prolonged adverse experiences Authors: Amanda Jones & Carol Gutierrez Preliminary Findings: Background Despite advancements in therapeutic approaches, optimal interventions for PTSD remain a subject of ongoing research. This poster outlines the preliminary findings of a randomised controlled trial to evaluate the effectiveness of the EMDR-PRECI in treating in 1 day, adults with prolonged adverse experiences and PTSD symptoms. The findings could inform clinical practice in Australia, representing a significant advancement in trauma-focused interventions for adults with prolonged adverse experiences and PTSD. OBJECTIVE The study aims to assess the effectiveness of EMDR-PRECI in significantly reducing PTSD symptoms and achieving clinically significant changes in adults with prolonged adverse experiences. Participants in the treatment group will receive a maximum of one six-hour EMDR-PRECI Session delivered by the same clinician: The control group wil not receive treatment during the study period. METHODOLOGY This study is using a two-arm randomised controlled trial (RCT) with a wait list no-treatment control group design. PTSD symptoms will be measured at two time points: pre-treatment and post-treatment. For ethical reasons, control group participants will receive the intervention after the follow-up assessment point. PRELIMINARY RESULTS To date, 22 participants who met the criteria for PTSD have undergone treatment. Of these, 20 no longer meet the criteria for PTSD upon post treatment assessment. It is hypothesised that the treatment group will exhibit significant reductions in PTSD symptoms compared to the control group, which is receiving no treatment. Analysis PTSD symptom severity and treatment response will be measured using the Post-Traumatic Stress Disorder Checklist for DSM-5 (PCL-5), focusing on symptoms over the past week. At the completion of the study, the data will be analysed using independent samples t-tests and ANOVA for two repeated measurements (pre-treatment, post-treatment). Subgroup analyses will explore potential moderating factors. Conclusion This study is expected to offer valuable insights into the efficacy of incorporating full-day (6-hour) EMDR-PRECI therapy into PTSD treatment protocols. The findings will elucidate how this intensive therapy approach can enhance overall functioning and expedite the reduction of PTSD symptoms in clients who have endured prolonged adverse experiences. 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