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A Randomised Waitlist Controlled Clinical Trial of the Restory Treatment Program (Restory)

2026年5月20日 更新者:Malin Joleby、Karolinska Institutet

Internetförmedlad Psykoterapi för Att Behandla Posttraumatiskt Stressyndrom Efter Sexuella övergrepp

This project aims to evaluate Restory - a newly developed anonymous, iCBT prolonged exposure therapy program specifically tailored for victims of sexual abuse - using a pre-registered randomized controlled trial with waitlist control. The primary research question is whether Restory is more effective than a waitlist control in reducing PTSD symptom severity score, as measured by PCL-5.

調査の概要

詳細な説明

Restory has been developed to address the current lack of available, low-threshold treatment for sexual abuse victims. Restory is a free, anonymous, trauma-focused, iCBT program. iCBT has been shown to be as effective as face-to-face treatment for several conditions (Andersson et al., 2014). iCBT for PTSD has documented efficacy (Lewis et al., 2017; Litz et al., 2007), regardless of the patient's age (Paiva et al., 2024), and even intensive formats have proven feasible despite concerns about increased risk of dropout or symptom deterioration (Bragesjö et al., 2021). There are indications that internet-based treatment can even enhance the patient's sense of self-efficacy (Knaevelsrud et al., 2017) since they are encouraged to take on a more active role in their treatment, which is particularly beneficial for individuals with PTSD facing negative self-cognitions.

In a recent review of barriers to formal help-seeking following sexual victimization, Zinzow et al. (2021) concluded that increasing resource availability and access is crucial. iCBT can thus play a pivotal role in breaking down barriers by providing nationwide access to care, regardless of geographical location, thus democratizing access to specialized care for an underserved patient population. By offering treatment anonymously, we believe we can further promote help-seeking by mitigating the stigma, guilt shame, and confidentiality concerns that often hinder victims of sexual abuse from seeking care. This is valuable for the patient group at large, but particularly beneficial for victim groups that are less likely to seek help, including minority groups (racial, ethnical, and sexual minorities; Zinzow et al., 2021), boys and men (Donne et al., 2018), victims of female offenders (Jonsson & Svedin, 2019), and victims of technology-assisted sexual abuse (Joleby et al., 2024) as they may face heightened risk of experiencing shame, stigma, and cultural and social barriers. iCBT treatment can be conducted discreetly and flexibly online, accommodating the patient's schedule without the need for physical clinic visits, thereby reducing the risk of recognition. Overall, this approach aligns with the objective outlined by the Swedish Association of Local Authorities and Regions (SKR, 2020) to ensure equitable care nationwide and to better address the needs of particularly vulnerable groups.

An important aspect of Restory, and a gap it aims to fill, is that it is a treatment program specifically designed for a unique patient group: victims of sexual abuse. This is crucial because sexual victimization is often associated with fear, anxiety, and shame, making the quality of the therapeutic encounter essential. The lack of specialized clinics means that victims of sexual abuse are often left to seek care through a regular medical center or emergency room, where the medical staff do not have any specific training in meeting this patient group. Research has indicated that women disclosing to both informal and formal supports reported more negative (e.g. victim blaming and disbelief) than positive reactions (Kennedy & Prock, 2018). These negative reactions have in turn been linked to adverse outcomes such as PTSD, depression, psychological and physical distress, and maladaptive coping. Hence, it is imperative that specialized care is provided by knowledgeable staff (Kennedy & Prock, 2018), and ideally with a treatment program specifically tailored to the unique needs of the patient group.

The project implements Public and Patient Involvement (PPI) from start to finish of the project. Experts from organisations working with this patient, and a patient representative with lived experience of sexual abuse, are part of an Advisory Board providing feedback on the planning of the studies and in the development of the treatment program.

The target population is adult victims of sexual abuse suffering from post-traumatic stress disorder. Interested individuals will self-refer and register via the study platform (www.restorystudien.se).

A Project Plan and a Statistical Analysis Plan (SAP) was pre-registered at the OSF platform (https://osf.io/mxf7t/overview) before recruitment commenced.

研究の種類

介入

入学 (推定)

140

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

研究場所

      • Stockholm、スウェーデン、11364
        • 募集
        • Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet
        • コンタクト:
        • 主任研究者:
          • Malin Joleby, PhD

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人
  • 高齢者

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria:

18+ years; exposure to sexual violence where a minimum of 1 month has passed since the incident; self-reported total PCL-5 of minimum 30; current stable dose of psychotropic medication (for at least 4 weeks) or medication free; sufficient Swedish skills; willingness and availability to participate.

Exclusion Criteria:

Ongoing trauma-related threat (e.g. living with a violent spouse); severe psychiatric illness requiring immediate alternative treatment (such as high acute suicide risk or presence of psychotic episode, assessed during screening interview); current participation in other trauma-focused CBT or Eye Movement Desensitization and Reprocessing therapy, current benzodiazepine treatment, no trauma memory.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 主な目的:処理
  • 割り当て:ランダム化
  • 介入モデル:並列代入
  • マスキング:なし(オープンラベル)

武器と介入

参加者グループ / アーム
介入・治療
実験的:Restory
A free, anonymous, internet-delivered prolonged exposure therapy program specifically tailored for victims of sexual abuse
Restory contains eight modules over eight weeks, and is a cognitive behavioral therapy program based on prolonged exposure (PE), specifically tailored for victims of sexual abuse. The program comprises all core treatment elements in PE (Foa et al., 2021), together with added psychoeducation on aspects specifically relevant for this patient group (i.e. shame, guilt, disgust, sexuality). Each module contains psychoeducational text, a description of the how the treatment works, and instructions for homework assignments. After completing a module and receiving personalized feedback from the therapist, the participant proceeds to the next module.
介入なし:Waitlist
The waitlist control group will wait a minimum of nine weeks before starting active treatment (Restory). During the waitlist period, the participant will be followed up, responding to the same set of questionnaires as participants in the treatment group.

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
PTSD symptom severity score, as measured by PCL-5
時間枠:From baseline to end of treatment at 8 weeks
Is Restory more effective than a waitlist control in reducing PTSD symptom severity score, as measured by PCL-5?
From baseline to end of treatment at 8 weeks

二次結果の測定

結果測定
メジャーの説明
時間枠
PTSD symptom severity score, as measured by the PTSD-part of the ITQ
時間枠:From baseline to end of treatment at 8 weeks
Is Restory more effective than a waitlist control in reducing PTSD symptom severity score, as measured by the PTSD-part of the ITQ?
From baseline to end of treatment at 8 weeks
Complex-PTSD symptom severity score, as measured by the Disturbances in Self-Organization part of ITQ?
時間枠:From baseline to end of treatment at 8 weeks
Is Restory more effective than a waitlist control in reducing Complex-PTSD symptom severity score, as measured by the Disturbances in Self-Organization part of ITQ?
From baseline to end of treatment at 8 weeks
Depressive symptoms, as measured by MADRS-S
時間枠:From baseline to end of treatment at 8 weeks
Is Restory more effective than a waitlist control in reducing depressive symptoms, as measured by MADRS-S?
From baseline to end of treatment at 8 weeks
PTSD symptom severity score, as measured by the PCL-5 at 1- and 6-month follow-up
時間枠:From post treatment to 1-month and 6-month follow-up
Are treatment gains from Restory maintained or improved at 1-month follow up and 6-month follow up for PTSD symptom severity score, as measured by the PCL-5?
From post treatment to 1-month and 6-month follow-up
PTSD symptom severity score, as measured by the PTSD-part of the ITQ, at 1-month and 6-month follow-up
時間枠:From post treatment to 1-month and 6-month follow-up
Are treatment gains from Restory maintained or improved at 1-month follow up and 6-month follow up for PTSD symptom severity score, as measured by the PTSD-part of the ITQ?
From post treatment to 1-month and 6-month follow-up
Complex-PTSD symptom severity score, as measured by the Disturbances in Self- Organization part of ITQ at 1-month and 6-month follow-up
時間枠:Post treatment to 1-month and 6-month follow-up
Are treatment gains from Restory maintained or improved at 1-month follow-up and 6-month follow up for Complex-PTSD symptom severity score, as measured by the Disturbances in Self- Organization part of ITQ?
Post treatment to 1-month and 6-month follow-up
Depressive symptoms, as measured by MADRS-S at 1-month an 6-month follow-up
時間枠:From after treatment to 1-month and 6-month follow-up
Are treatment gains from Restory maintained or improved at 1-month follow up and 6-month follow up for depressive symptoms, as measured by MADRS-S?
From after treatment to 1-month and 6-month follow-up

その他の成果指標

結果測定
メジャーの説明
時間枠
Quality of life, measured with the AQoL-8D
時間枠:From baseline to end of treatment and 1-month and 6-month follow-up
Is Restory more effective than a waitlist control in increasing quality of life, measured with the AQoL-8D?
From baseline to end of treatment and 1-month and 6-month follow-up
Trauma-related shame, measured with the TRSI-24
時間枠:From baseline to end of treatment and 1-month and 6-month follow-up
Is Restory more effective than a waitlist control in reducing trauma-related shame, measured with the TRSI-24?
From baseline to end of treatment and 1-month and 6-month follow-up
Negative post-traumatic cognitions, measured with the PTCI-9
時間枠:From baseline to end of treatment and 1-month and 6-month follow-up
Is Restory more effective than a waitlist control in reducing negative post-traumatic cognitions, measured with the PTCI-9?
From baseline to end of treatment and 1-month and 6-month follow-up

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

出版物と役立つリンク

研究に関する情報を入力する責任者は、自発的にこれらの出版物を提供します。これらは、研究に関連するあらゆるものに関するものである可能性があります。

便利なリンク

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2026年5月4日

一次修了 (推定)

2027年5月4日

研究の完了 (推定)

2027年11月4日

試験登録日

最初に提出

2026年5月20日

QC基準を満たした最初の提出物

2026年5月20日

最初の投稿 (実際)

2026年5月27日

学習記録の更新

投稿された最後の更新 (実際)

2026年5月27日

QC基準を満たした最後の更新が送信されました

2026年5月20日

最終確認日

2026年5月1日

詳しくは

本研究に関する用語

その他の研究ID番号

  • Dnr 2025-08612-01
  • 2024-116 (その他の助成金/資金番号:Fredrik och Ingrid Thurings stiftelse)
  • 04904/2024 (その他の助成金/資金番号:Brottsofferfonden)

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

はい

IPD プランの説明

Anonymized data will be uploaded to a repository managed by Karolinska Institutet.

IPD 共有時間枠

Data will become available maximum three months after publication and remain available for an indefinite amount of time.

IPD 共有アクセス基準

Investigators who provide a methodologically sound proposal, and whose proposed use of the data has been approved by an independent review committee identified for this purpose. Any researcher may access the version of the data available in a public repository.

For what types of analyses? To achieve aims in the approved proposal and for meta-analysis

By what mechanism will data be made available? Proposals should be directed to the Data Access Unit at Karolinska Institutet.

IPD 共有サポート情報タイプ

  • STUDY_PROTOCOL
  • SAP
  • ICF
  • ANALYTIC_CODE

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いいえ

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