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Accelerated iTBS for PTSD and Depression

2026年6月26日 更新者：Lawson Research Institute of St. Joseph's

Accelerated Intermittent Theta Burst Stimulation for Depression in Post-Traumatic Stress Disorder: A Single-Arm, Open-Label Feasibility Study

The goal of this pilot clinical trial is to learn if a faster brain stimulation schedule is practical, safe, tolerable, and acceptable. This study looks at accelerated intermittent theta burst stimulation, or accelerated iTBS. This is a non-invasive type of magnetic brain stimulation. This study is for adults with post-traumatic stress disorder (PTSD) and major depressive disorder (MDD).

The main questions this study aims to answer are:

  1. Can participants complete six short brain stimulation sessions per day for five days?
  2. Is this treatment schedule safe and tolerable for participants?
  3. What changes occur in depression symptoms, PTSD symptoms, anxiety, quality of life, and brain activity over time?

Participants will:

  1. Complete health screening and baseline assessments.
  2. Receive six short sessions of magnetic brain stimulation per day for five days.
  3. Have their brain activity measured using an EEG recording.
  4. Return for a post-treatment assessment at Week 2 and follow-up visits at Week 5 and Week 12.

調査の概要

状態

まだ募集していません

条件

介入・治療

詳細な説明

This is a single-arm, open-label pilot feasibility study of accelerated intermittent theta burst stimulation, also called accelerated iTBS, in adults with both post-traumatic stress disorder (PTSD) and major depressive disorder (MDD). The study is designed to assess whether an accelerated iTBS schedule can be delivered safely, tolerably, and feasibly in a clinical setting. The main focus is feasibility, including recruitment, treatment adherence, participant retention, safety, tolerability, and participant acceptability. About 12 to 16 participants will receive active accelerated iTBS. Treatment will include six short stimulation sessions per day over five consecutive days, for a total of 30 sessions. The study will also collect exploratory information over time on depression symptoms, PTSD symptoms, anxiety, daily functioning, quality of life, and brain activity measured by EEG. Because this is a small pilot study, the analysis will be mainly descriptive. The results will help refine study procedures and guide the design of a larger future clinical trial.

研究の種類

介入

入学 (推定)

16

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

研究連絡先のバックアップ

研究場所

  • カナダ
    • Ontario
      • London、Ontario、カナダ、N6C 0A7
        • St. Joseph's Health Care London, Parkwood Institute Mental Health Care Building
        • コンタクト：
        • コンタクト：
        • 主任研究者：
          • Radhika Kelkar, MD

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:

  • Adults aged 18 years or older.
  • Current post-traumatic stress disorder (PTSD) and current major depressive disorder (MDD), confirmed by a structured diagnostic interview (e.g., MINI 6.0 using the PTSD and MDD modules).
  • Minimum symptom severity at baseline: HAMD-17 score ≥14 (moderate depression) and/or PCL-5 score ≥33 (probable PTSD).
  • On a stable pharmacologic and/or psychotherapeutic regimen for at least 4 weeks prior to baseline, and willing to maintain stability during the treatment phase, unless medically necessary.
  • Capacity to provide informed consent and comply with study procedures and visits at St. Joseph's Health Care, London/Parkwood Institute.
  • Sufficient English proficiency to complete consent and study assessments.

Exclusion Criteria:

  • Neurologic or device-related risks, including seizure history, traumatic brain injury with loss of consciousness greater than 5 minutes, major neurologic illness, or metal/electronic implants contraindicated for transcranial magnetic stimulation.
  • Psychiatric or substance-related risks, including current psychotic disorder, acute mania, diagnosis of Bipolar I or Bipolar II disorder, recent substance use disorder, or imminent suicide risk.
  • Medical or medication-related risks, including unstable severe illness, high-risk medications, hearing impairment, unwillingness to use ear protection, or prior non-response to an adequate course of theta burst stimulation for the current depression/PTSD episode.
  • Enrollment in another interventional trial.
  • Inability to comply with the study schedule.

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：なし
  • 介入モデル：単一グループの割り当て
  • 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：Accelerated iTBS
Participants will receive active accelerated intermittent theta burst stimulation (iTBS). Treatment will consist of six short stimulation sessions per day delivered over five consecutive days, for a total of 30 sessions.
デバイス：Accelerated intermittent theta burst stimulation
Accelerated intermittent theta burst stimulation, also called accelerated iTBS, is a non-invasive magnetic brain stimulation intervention. Stimulation is delivered to the left dorsolateral prefrontal cortex using a transcranial magnetic stimulation system. Participants receive six short sessions per day over five consecutive days.

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
Recruitment rate
時間枠：Study recruitment period, up to 12 months
Recruitment rate will be assessed as the number of participants enrolled per month during the active recruitment period.
Study recruitment period, up to 12 months
Consent rate
時間枠：Study recruitment period, up to 12 months
Consent rate will be assessed as the proportion of eligible individuals approached who provide informed consent.
Study recruitment period, up to 12 months
Treatment adherence
時間枠：Treatment Days 1 through 5
Treatment adherence will be assessed as the percentage of scheduled accelerated iTBS sessions completed during the 5-day treatment course.
Treatment Days 1 through 5
Retention through Week 12 follow-up
時間枠：Baseline through Week 12
Retention will be assessed as the proportion of enrolled participants who complete the Week 12 follow-up visit.
Baseline through Week 12
Adverse events
時間枠：Treatment Days 1 through Week 12
Adverse events will be assessed as the proportion of participants who experience one or more adverse events during treatment and follow-up.
Treatment Days 1 through Week 12
Serious adverse events
時間枠：Treatment Days 1 through Week 12
Serious adverse events will be assessed as the proportion of participants who experience one or more serious adverse events during treatment and follow-up.
Treatment Days 1 through Week 12
Discontinuations due to adverse events
時間枠：Treatment Days 1 through Week 12
Tolerability will be assessed as the proportion of participants who discontinue accelerated iTBS because of adverse events.
Treatment Days 1 through Week 12
Participant satisfaction with accelerated iTBS
時間枠：Week 2, Week 5, and Week 12
Participant satisfaction will be assessed using a 5-point Likert satisfaction rating scale. Scores range from 1 to 5, with higher scores indicating greater satisfaction.
Week 2, Week 5, and Week 12
Participant feedback on accelerated iTBS
時間枠：Week 2, Week 5, and Week 12
Participant feedback will be assessed using brief feedback questions about the accelerated iTBS treatment schedule and overall study experience. Responses will be summarized descriptively.
Week 2, Week 5, and Week 12

二次結果の測定

結果測定
メジャーの説明
時間枠
Exploratory change in clinician-rated depression symptom severity measured by HAMD-17
時間枠：Baseline, Week 2, Week 5, and Week 12
Clinician-rated depression symptom severity will be assessed using the Hamilton Depression Rating Scale-17. Total scores range from 0 to 52, with higher scores indicating greater depression symptom severity.
Baseline, Week 2, Week 5, and Week 12
Exploratory change in self-reported depression symptom severity measured by PHQ-9
時間枠：Baseline, Week 2, Week 5, and Week 12
Self-reported depression symptom severity will be assessed using the Patient Health Questionnaire-9. Total scores range from 0 to 27, with higher scores indicating greater depression symptom severity.
Baseline, Week 2, Week 5, and Week 12
Exploratory change in self-reported PTSD symptom severity measured by PCL-5
時間枠：Baseline, Week 2, Week 5, and Week 12
Self-reported PTSD symptom severity will be assessed using the PTSD Checklist for DSM-5. Total scores range from 0 to 80, with higher scores indicating greater PTSD symptom severity.
Baseline, Week 2, Week 5, and Week 12
Exploratory change in clinician-rated PTSD symptom severity measured by CAPS-5
時間枠：Baseline, Week 2, and Week 12
Clinician-rated PTSD symptom severity will be assessed using the Clinician-Administered PTSD Scale for DSM-5. Total symptom severity scores range from 0 to 80, with higher scores indicating greater PTSD symptom severity.
Baseline, Week 2, and Week 12
Exploratory change in anxiety symptom severity measured by GAD-7
時間枠：Baseline, Week 2, Week 5, and Week 12
Anxiety symptom severity will be assessed using the Generalized Anxiety Disorder-7 item Scale. Total scores range from 0 to 21, with higher scores indicating greater anxiety symptom severity.
Baseline, Week 2, Week 5, and Week 12
Exploratory change in cognitive function measured by MoCA
時間枠：Baseline, Week 2, Week 5, and Week 12
Cognitive function will be assessed using the Montreal Cognitive Assessment. Total scores range from 0 to 30, with higher scores indicating better cognitive function.
Baseline, Week 2, Week 5, and Week 12
Exploratory change in functioning and disability measured by WHODAS 2.0
時間枠：Baseline, Week 2, Week 5, and Week 12
Functioning and disability will be assessed using the WHO Disability Assessment Schedule 2.0
Baseline, Week 2, Week 5, and Week 12
Exploratory change in quality of life measured by Q-LES-Q-SF
時間枠：Baseline, Week 2, Week 5, and Week 12
Quality of life will be assessed using the Quality of Life Enjoyment and Satisfaction Questionnaire Short Form.
Baseline, Week 2, Week 5, and Week 12
Baseline clinical global severity measured by CGI-S
時間枠：Baseline
Clinical global severity will be assessed using the Clinical Global Impression-Severity scale. Scores range from 1 to 7, with higher scores indicating greater illness severity.
Baseline
Exploratory change in clinical global improvement measured by CGI-I
時間枠：Week 2, Week 5, and Week 12
Clinical global improvement will be assessed using the Clinical Global Impression-Improvement scale. Scores range from 1 to 7, with lower scores indicating greater clinical improvement.
Week 2, Week 5, and Week 12
Exploratory change in resting-state EEG alpha power
時間枠：Baseline, Treatment Day 1, and Treatment Day 5
Resting-state EEG alpha power recorded at frontal electrodes will be assessed using EEG recordings collected at baseline and on treatment Days 1 and 5. On Days 1 and 5, brief resting-state EEG recordings will be collected immediately before and after each iTBS session to explore neurophysiological changes associated with accelerated iTBS.
Baseline, Treatment Day 1, and Treatment Day 5
Exploratory change in resting-state EEG gamma power
時間枠：Baseline, Treatment Day 1, and Treatment Day 5
Resting-state EEG gamma power recorded at frontal electrodes will be assessed using EEG recordings collected at baseline and on treatment Days 1 and 5. On Days 1 and 5, brief resting-state EEG recordings will be collected immediately before and after each iTBS session to explore neurophysiological changes associated with accelerated iTBS.
Baseline, Treatment Day 1, and Treatment Day 5

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。

スポンサー

Lawson Research Institute of St. Joseph's

捜査官

  • 主任研究者：Radhika Kelkar, MD、St. Joseph's Health Care London, Parkwood Institute, Finch Family Mental Health Care Building

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 (推定)

2026年7月1日

一次修了 (推定)

2027年6月1日

研究の完了 (推定)

2027年9月1日

試験登録日

最初に提出

2026年6月9日

QC基準を満たした最初の提出物

2026年6月26日

最初の投稿 (実際)

2026年7月2日

学習記録の更新

投稿された最後の更新 (実際)

2026年7月2日

QC基準を満たした最後の更新が送信されました

2026年6月26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

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • AiTBS-PTSD-MDD--001
  • 127851 (その他の識別子：Western HSREB Project ID)

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?

いいえ

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いいえ

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いいえ

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