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Painhunting Therapy Versus Cognitive Behavioural Therapy for Event-Related Depression (PH-CBT)

2026年7月28日 更新者：Uzakova Sanemkhan、Painhunting LLP

Painhunting Therapy Versus Cognitive Behavioural Therapy for Event-Related Depression: Active-Comparator Randomized Pilot Trial With Adaptive Sample-Size Re-Estimation

This randomized, active-comparator pilot trial will compare Painhunting Therapy with manualized Cognitive Behavioural Therapy (CBT) in adults with event-related depressive symptoms. Participants will be randomly assigned in a 1:1 ratio to receive either Painhunting Therapy or CBT. The primary outcome is depressive symptom severity measured by the Patient Health Questionnaire-9 (PHQ-9) at six weeks after randomization. Secondary outcomes include anxiety symptoms, event-related distress, functional impairment, treatment response and remission, treatment retention, and durability of outcomes at 10 to 12 weeks. The study will also assess treatment fidelity, therapeutic alliance, and selected potential moderators of treatment response. The trial uses a randomized, rater-blinded, parallel-group design with an adaptive sample-size approach.

研究概览

地位

尚未招聘

条件

干预/治疗

详细说明

The purpose of this study is to compare the effectiveness of Painhunting Therapy with manualized Cognitive Behavioural Therapy (CBT), an established psychological treatment for depression, in adults experiencing depressive symptoms associated with adverse life events.

Eligible participants will be randomly assigned in a 1:1 ratio to one of two treatment groups. The Painhunting Therapy arm will receive a brief structured course of therapy, with a minimum planned dose of three sessions except for participants meeting prespecified early-remission criteria, and additional sessions permitted when clinically indicated. The CBT arm will receive manualized CBT for depression delivered over approximately six to eight sessions. The intended primary treatment comparison is approximately three Painhunting sessions versus six CBT sessions, reflecting the typical delivery format of each intervention rather than a matched-dose comparison.

The primary endpoint is PHQ-9 score at six weeks after randomization. Additional assessments will examine depressive symptoms at earlier and later time points, anxiety symptoms, event-related distress, functional impairment, treatment response and remission, treatment retention, and maintenance of outcomes at 10 to 12 weeks.

Outcome assessments at key follow-up time points will be conducted by assessors blinded to treatment allocation. Treatment adherence and fidelity will be independently assessed in both treatment arms using prespecified treatment-specific rating instruments.

The trial will initially enroll 30 participants, with 15 participants per treatment arm. An interim analysis and prespecified adaptive sample-size procedure will determine continuation toward a planned final analyzed sample of 60 participants, with 30 participants per arm, unless a prespecified stopping criterion is met.

研究类型

介入性

注册 (估计的)

60

阶段

  • 不适用

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习联系方式

研究联系人备份

学习地点

  • 哈萨克斯坦
    • Astana
      • Astana、Astana、哈萨克斯坦、010000
        • Central Painhunting Office
        • 接触：

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 孩子
  • 成人
  • 年长者

接受健康志愿者

不

描述

Inclusion Criteria:

  • Age 18 years or older.
  • PHQ-9 score of 9 or greater at screening.
  • At least one adverse life event within the prior 24 months, documented using the Life Events Threshold (LTE) instrument.
  • Resident of Kazakhstan.
  • Fluent in Russian.
  • Capacity to provide written informed consent.
  • Willing to attend at least six sessions within the protocol treatment schedule.

Exclusion Criteria:

  • Active suicidal ideation requiring immediate referral, defined as PHQ-9 item 9 score of 3 or clinical judgment of imminent risk.
  • Active psychosis or mania.
  • Active substance use disorder meeting DSM criteria.
  • Current psychotherapy with another provider.
  • Initiation of pharmacotherapy within the prior four weeks.
  • Pre-existing stable antidepressant monotherapy unchanged for eight weeks or longer is permitted.
  • Inability to provide informed consent in Russian.

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

  • 主要用途：治疗
  • 分配：随机化
  • 介入模型：并行分配
  • 屏蔽：单身的

武器和干预

参与者组/臂
干预/治疗
实验性的：Painhunting Therapy
Participants assigned to this arm will receive Painhunting Therapy, a structured psychotherapeutic intervention. The intended treatment dose is three sessions. Early stopping after session 2 is permitted only when prespecified remission criteria are met. Additional sessions, up to a maximum of six, may be provided according to prespecified symptom-based and clinical criteria.
行为的：Painhunting Therapy
Painhunting Therapy is a structured psychotherapeutic intervention targeting event-related distress through a standardized treatment protocol. The intended treatment dose is three sessions. Early stopping after session 2 is permitted only when prespecified remission criteria are met. Additional sessions, up to a maximum of six, may be provided according to prespecified symptom-based and clinical criteria.
有源比较器：Cognitive Behavioural Therapy (CBT)
Participants assigned to this arm will receive manualized Cognitive Behavioural Therapy (CBT) for depression, delivered over 6 to 8 sessions at approximately twice-weekly frequency. Treatment will be delivered by independent CBT practitioners who are not affiliated with the Painhunting practice or training programme.
行为的：Cognitive Behavioural Therapy (CBT)
Manualized Cognitive Behavioural Therapy for depression delivered over 6 to 8 sessions at approximately twice-weekly frequency. Treatment is delivered by independent CBT practitioners who meet prespecified training and competence requirements and are not affiliated with the Painhunting practice or training programme.

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Depressive symptom severity measured by the Patient Health Questionnaire-9 (PHQ-9)
大体时间：6 weeks post-randomization
Depressive symptom severity will be assessed using the Patient Health Questionnaire-9 (PHQ-9). The PHQ-9 consists of 9 items, each scored from 0 to 3, yielding a total score ranging from 0 to 27. Higher scores indicate greater severity of depressive symptoms. The primary comparison between treatment groups will evaluate PHQ-9 scores at six weeks post-randomization, adjusting for baseline PHQ-9.
6 weeks post-randomization

次要结果测量

结果测量
措施说明
大体时间
Depressive symptom severity measured by the Patient Health Questionnaire-9 (PHQ-9)
大体时间：2 weeks and 10 to 12 weeks post-randomization
Depressive symptom severity will be assessed using the Patient Health Questionnaire-9 (PHQ-9). The PHQ-9 consists of 9 items scored from 0 to 3, yielding a total score ranging from 0 to 27. Higher scores indicate greater severity of depressive symptoms.
2 weeks and 10 to 12 weeks post-randomization
Anxiety symptom severity measured by the Generalized Anxiety Disorder-7 (GAD-7)
大体时间：Baseline, 2 weeks, 6 weeks, and 10 to 12 weeks post-randomization
Anxiety symptom severity will be assessed using the Generalized Anxiety Disorder-7 (GAD-7). The scale consists of 7 items scored from 0 to 3, yielding a total score ranging from 0 to 21. Higher scores indicate greater severity of anxiety symptoms.
Baseline, 2 weeks, 6 weeks, and 10 to 12 weeks post-randomization
Event-related distress measured by the Impact of Event Scale-Revised (IES-R)
大体时间：Baseline, 6 weeks, and 10 to 12 weeks post-randomization
Event-related distress will be assessed using the Impact of Event Scale-Revised (IES-R). The instrument contains 22 items rated from 0 to 4. Higher scores indicate greater severity of event-related distress.
Baseline, 6 weeks, and 10 to 12 weeks post-randomization
Complicated grief symptoms measured by the Inventory of Complicated Grief (ICG)
大体时间：Baseline, 6 weeks, and 10 to 12 weeks post-randomization
Complicated grief symptoms will be assessed using the Inventory of Complicated Grief (ICG) only among participants in the prespecified bereavement/loss stratum, defined as participants whose qualifying index event is the death of a significant other. Participants outside this stratum will not complete the ICG. Higher scores indicate greater severity of complicated grief symptoms.
Baseline, 6 weeks, and 10 to 12 weeks post-randomization
Functional impairment measured by the 12-item WHO Disability Assessment Schedule 2.0 (WHO-DAS 2.0)
大体时间：Baseline, 6 weeks, and 10 to 12 weeks post-randomization
Functional impairment will be assessed using the 12-item WHO Disability Assessment Schedule 2.0 (WHO-DAS 2.0). Higher scores indicate greater disability and functional impairment.
Baseline, 6 weeks, and 10 to 12 weeks post-randomization
Treatment response based on PHQ-9
大体时间：6 weeks and 10 to 12 weeks post-randomization
Treatment response is defined as a reduction of 50% or greater in PHQ-9 score from baseline. The proportion of participants meeting the response criterion will be assessed by treatment arm.
6 weeks and 10 to 12 weeks post-randomization
Remission based on PHQ-9
大体时间：6 weeks and 10 to 12 weeks post-randomization
Remission is defined as a PHQ-9 score below 5. The proportion of participants meeting the remission criterion will be assessed by treatment arm.
6 weeks and 10 to 12 weeks post-randomization
Number of treatment sessions received
大体时间：From treatment initiation through completion of the active treatment period, approximately 4 weeks
The total number of treatment sessions received by each participant during the active treatment period will be recorded and summarized by treatment arm.
From treatment initiation through completion of the active treatment period, approximately 4 weeks
Treatment and study dropout rate
大体时间：Through 10 to 12 weeks post-randomization
The proportion of participants who discontinue treatment or study participation will be recorded and summarized by treatment arm and assessment timepoint.
Through 10 to 12 weeks post-randomization
Protocol deviation rate
大体时间：Through 10 to 12 weeks post-randomization
The number and proportion of participants with documented protocol deviations will be summarized by treatment arm.
Through 10 to 12 weeks post-randomization

其他结果措施

结果测量
措施说明
大体时间
Painhunting mechanism recognition across treatment sessions
大体时间：Across Painhunting treatment sessions, approximately 2 to 4 weeks
Prespecified Painhunting treatment mechanisms will be assessed across sessions in participants assigned to the Painhunting arm using the Painhunting mechanism recognition checklist. A stratified sample of 20% of Painhunting session recordings will be independently rated to triangulate self-report against rater-coded mechanism content.
Across Painhunting treatment sessions, approximately 2 to 4 weeks
Therapeutic alliance measured by the Working Alliance Inventory - Short Form
大体时间：Session 2 and Session 4 (Week 1 and Week 2)
Therapeutic alliance will be assessed in both treatment arms using the Working Alliance Inventory - Short Form (WAI-SF). The WAI-SF consists of 12 items rated on a 7-point Likert scale, yielding a total score ranging from 12 to 84. Higher scores indicate a stronger therapeutic alliance.
Session 2 and Session 4 (Week 1 and Week 2)
Per-session trajectory of depressive symptoms measured by PHQ-9
大体时间：1 to 2 days after each treatment session during the active treatment period (Week 1-3)
Depressive symptoms will be assessed 1 to 2 days after each treatment session using the Patient Health Questionnaire-9 (PHQ-9). The PHQ-9 consists of 9 items, each scored from 0 to 3, yielding a total score ranging from 0 to 27. Higher scores indicate greater severity of depressive symptoms. Scores will be collected after each treatment session in both treatment arms to characterize session-level symptom trajectories and dose-response patterns.
1 to 2 days after each treatment session during the active treatment period (Week 1-3)

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

Painhunting LLP

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (估计的)

2026年9月1日

初级完成 (估计的)

2027年2月28日

研究完成 (估计的)

2027年4月30日

研究注册日期

首次提交

2026年7月23日

首先提交符合 QC 标准的

2026年7月28日

首次发布 (实际的)

2026年7月31日

研究记录更新

最后更新发布 (实际的)

2026年7月31日

上次提交的符合 QC 标准的更新

2026年7月28日

最后验证

2026年7月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • IRB-2167

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

是的

IPD 计划说明

De-identified individual participant data underlying the results reported in the primary publication, together with analysis scripts, will be made publicly available on the Open Science Framework (OSF).

IPD 共享时间框架

Data and supporting materials will become available concurrent with publication of the primary study results and will remain available indefinitely.

IPD 共享访问标准

De-identified data and supporting materials will be publicly available through the Open Science Framework (OSF).

IPD 共享支持信息类型

  • 研究方案
  • 树液
  • 国际碳纤维联合会
  • 分析代码

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.

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