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PTSD에 대한 장기간 노출 요법에 대한 일주기적 영향

2026년 11월 9일 업데이트: Edward F. Pace-Schott, Massachusetts General Hospital

PTSD에 대한 장기간 노출 요법으로 인한 공포소거에 대한 일주기적 영향

Proposed research will examine time-of-day effects on trauma-related fear extinction using Prolonged Exposure Therapy (PE) telemedicine for Posttraumatic Stress Disorder (PTSD) in the National Center for PTSD (NCPTSD). The primary mechanistic outcome measure will be change in psychophysiological reactivity to script-driven imagery (SDI-PR) measured, in person, at pre-treatment, after 5 PE sessions (mid-treatment), and after all 10 PE sessions (post-treatment). A secondary mechanistic outcome will be session-to-session reduction in peak subjective units of distress (SUDS) ratings to imaginal exposures. The primary clinical outcome will be change in Clinican Administered PTSD Scale (CAPS-5) severity score; a secondary clinical outcome will be session-to-session reduction in self-reported PTSD symptoms using the PTSD checklist (PCL-5). Participants meeting inclusion criteria (described below) will be randomized to either PE sessions that begin from 07:00 to a time no later than 2 hours past a participant's customary rise time, or to the last treatment session of the day beginning at 16:00 or later (26 per arm). Participants will complete daily at-home imaginal-exposure homework within the same time frame as their PE sessions are scheduled, i.e., within 2 hours of awakening for morning (AM) group and between 16:00 and 2 hours before bedtime for late afternoon (PM) group.

연구 개요

상태

모집하지 않고 적극적으로

정황

상세 설명

Proposed research will examine time-of-day effects on trauma-related fear extinction using PE therapy for PTSD in the National Center for PTSD (NCPTSD). The primary mechanistic outcome measure will be change in SDI-PR; a secondary mechanistic outcome will be session-to-session reduction in peak SUDS ratings to imaginal exposures. The primary clinical outcome will be change in CAPS-5 severity score; a secondary clinical outcome will be session-to-session reduction in self-reported PTSD symptoms (PCL-5). Participants meeting inclusion criteria (described below) will be randomized to either PE sessions that begin from 07:00 to a time no later than 2 hours past a participant's customary rise time, or to the last treatment session of the day beginning at 16:00 or later. Participants will complete daily at-home imaginal-exposure homework within the same time frame as their PE sessions are scheduled (i.e., within 2 hours of awakening for morning group and between 16:00 and 2 hours before bedtime for late afternoon group). The assessment schedule will be identical for all participants. Participants who meet study inclusion criteria at screening will first begin a 7-day, pre-study sleep-monitoring period with wrist actigraphy, sleep diaries and completion of a diurnal profile of salivary cortisol levels. Trauma-related fear will be assessed using the standard SDI procedures detailed below at pre-treatment, after 5 PE sessions (mid-treatment), and after all 10 PE sessions (post-treatment). The CAPS-5 will be administered at these same times. PCL-5 measurements will be obtained at each treatment session and SUDs will be obtained during all treatment sessions that include imaginal exposure (sessions 3-8). All SDI sessions will be carried out at a standardized time of day in the late-afternoon (15:00-17:00). PE treatment will be administered at a targeted rate of once per week. At each PE and assessment session, pre-session saliva samples will be obtained for cortisol measurement and normalized using the diurnal profile of cortisol obtained during the sleep-assessment week. Participants will wear the wrist actigraph and complete sleep diaries throughout PE. The diurnal cortisol profile will be repeated at the post-treatment assessment.

연구 유형

중재적

등록 (실제)

29

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 장소

    • Massachusetts
      • Boston, Massachusetts, 미국, 02130-4817
        • VA Boston Healthcare System

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

18년 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

모두

설명

Inclusion Criteria:

  1. a diagnosis of PTSD as defined by DSM-5, with a minimum CAPS severity score of 26, a minimum PCL-5 score of 31, or a score of 2 or above on CAPS-5 Item B2 (concerning distressing dreams)
  2. interest in starting a course of PE
  3. availability for appointments at that will either begin from 07:00 to a time no longer than 2 hours past their customary rise time, or to the last treatment session of the day beginning at 16:00 or later
  4. Age range of 18-70
  5. A Morningness-Eveningness Questionnaire (MEQ) score above 25.
  6. Non-exclusionary psychotropic medications must have been stable for 3 weeks prior to Screening/Assessment with intention to remain stable throughout participation.

Exclusion Criteria:

  1. current or past history of bipolar I disorder, schizophrenic or other psychotic disorders,
  2. current organic brain disorder including moderate to severe traumatic brain injury
  3. factitious disorder or malingering
  4. pregnant or planning to become pregnant in the next four months at time of screening [if a participant does become pregnant during study procedures, the situation will be reviewed on a case-by-case basis and the participant's wishes will be considered in deciding whether the participant will continue with the study or withdraw.]
  5. current moderate or severe substance use disorder with symptoms present within the past three months
  6. diagnosed moderate to severe sleep apnea, narcolepsy, periodic limb movement, or restless legs syndrome that result in daytime sleepiness indicated by Epworth Sleepiness Scale (ESS) above 10
  7. active risk of harm to self or others
  8. evidence of clinically significant hepatic or renal disease or any other acute or unstable medical condition that might interfere with safe conduct of the study
  9. current participation in trauma-focused cognitive-behavioral therapy (e.g., Cognitive Processing Therapy, Written Exposure Therapy, Eye Movement Desensitization and Reprocessing Therapy)
  10. prior treatment with an adequate dose of PE (i.e., 8 or more sessions) to the traumatic event that would be the index trauma for treatment in the study
  11. having no memory of their traumatic event
  12. daily use of benzodiazepines
  13. methadone or suboxone maintenance therapy for past opioid addiction
  14. diagnosis of Cushing's disease, Addison's disease or use of medications that target cortisol directly such as those used to treat Cushing's disease [ketoconazole, mitotane (Lysodren), metyrapone (Metopirone), and Mifepristone (Korlym, Mifeprex)], those used to treat Addison's disease [Hydrocortisone (Cortef), prednisone or methylprednisolone], as well as cortisone or dexamethasone.
  15. persons who would habitually awaken so early that more than 2 h would elapse before a morning PE session could occur; or those who engage in habitual shiftwork or transmeridian travel

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 더블

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Early morning PE

26 participants randomized to 10 weekly PE sessions in early morning (between 07:00-10:00) with homework exposures occurring occur at this same time of day.

Manualized procedures deliver ten 90-minute sessions targeted to occur weekly and administered via tele-health with the same study therapist. Session 1 will focus on psychoeducation. Session 2 involves construction of the in vivo exposure hierarchy. Sessions 3-10 focus on in-session imaginal exposures to the worst trauma memory for 45-60 min followed by 15-20 min of processing the imaginal exposure. For homework, participants will be instructed to confront situations on their hierarchy on a daily basis using recording of their imaginal exposure. Subjective Units of Distress (SUDS) ratings will be taken throughout imaginal exposure exercises.

실험적: Late afternoon PE

26 participants randomized to 10 weekly PE sessions in late afternoon (16:00 or later) with homework exposures occurring occur at this same time of day.

Manualized procedures deliver ten 90-minute sessions targeted to occur weekly and administered via tele-health with the same study therapist. Session 1 will focus on psychoeducation. Session 2 involves construction of the in vivo exposure hierarchy. Sessions 3-10 focus on in-session imaginal exposures to the worst trauma memory for 45-60 min followed by 15-20 min of processing the imaginal exposure. For homework, participants will be instructed to confront situations on their hierarchy on a daily basis using recording of their imaginal exposure. Subjective Units of Distress (SUDS) ratings will be taken throughout imaginal exposure exercises.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Psychophysiological Reactivity to Script-driven Imagery (SDI-PR): Primary Mechanistic Outcome
기간: Outcome measure 1 assessed at pre-treatment (baseline), mid-treatment (week 5), and post-treatment (week 10).

This primary mechanistic outcome, measured before, midway and after treatment is a unitary discriminant canonical variable (SDI-PR) that measures psychophysiological reactivity while listening to 2 personalized recorded scripts that describe a participant's index trauma. For each of 3 physiological measures- heart rate (HR), skin conductance (SC),and corrugator EMG (cEMG)- a response (R) score is calculated as the difference between the average level during a 30s pre-script baseline phase and the average level during a 30s imagery phase. These 3 scores are averaged across the 2 scripts and combined using standardized weights as: SDI-PR = 0.29*[HRR] +0.66*[SCR] +0.38*[cEMGR]. There is no absolute limit to how much physiological reactivity can increase in response to scripts, therefore, minimum and maximum scores do not exist. However, a proxy maximum and minimum SDI-PR was estimated using the largest and smallest SCR, HRR, and cEMGR in the study and are respectively, 35.041and -3.061.

Outcome measure 1 assessed at pre-treatment (baseline), mid-treatment (week 5), and post-treatment (week 10).
Clinician-Administered PTSD Scale for Diagnostic and Statistical Manual of Mental Disorders (DSM), Fifth Edition (CAPS-5): Primary Clinical Outcome
기간: Outcome measure 2 assessed at pre-treatment (baseline), mid-treatment (week 5), and post-treatment (week 10).

This primary clinical outcome is the gold standard clinical interview for assessing PTSD severity. In CAPS-5, each of the 20 symptoms of PTSD is rated on a 5-point severity scale ranging from 0 (absent) to 4 (extreme). Total scores range from 0 to 80.

Outcome measure 2 assessed at pre-treatment (baseline), mid-treatment (week 5), and post-treatment (week 10).

2차 결과 측정

결과 측정
측정값 설명
기간
PCL-5: PTSD Checklist for Diagnostic and Statistical Manual of Mental Disorders (DSM), Fifth Edition: Secondary Clinical Outcome
기간: 10 weeks

PCL-5 contains self-ratings of how much one is bothered by each of the 20 symptoms of PTSD on a 5-point severity scale ranging from 0 (Not at all) to 4 (extremely). Outcome measure 3 is the total PTSD severity score summing all 20 items. The range of total scores for the PCL-5 is 0-80.

10 weeks
SUDS: Secondary Mechanistic Outcome
기간: Starting at PE Session 3 when exposures begin

A rating scale from 0 to 100 where zero represents no distress at all and 100 represents very extreme distress, fear, or anxiety. SUDS ratings are subjective and different individuals may rate the same situation differently. An individual anchors their own ratings with personal recollection of situations considered "No Distress" to "Moderate" to "Extreme Distress".

Starting at PE Session 3 when exposures begin

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

수사관

  • 수석 연구원: Edward F Pace-Schott, PhD, Massachusetts General Hospital
  • 수석 연구원: Suzanne L Pineles, PhD, VA Boston Health System, Boston University

간행물 및 유용한 링크

연구에 대한 정보 입력을 담당하는 사람이 자발적으로 이러한 간행물을 제공합니다. 이것은 연구와 관련된 모든 것에 관한 것일 수 있습니다.

일반 간행물

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2022년 7월 1일

기본 완료 (실제)

2025년 8월 1일

연구 완료 (추정된)

2027년 9월 1일

연구 등록 날짜

최초 제출

2022년 6월 29일

QC 기준을 충족하는 최초 제출

2022년 7월 6일

처음 게시됨 (실제)

2022년 7월 12일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 11월 12일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 11월 9일

마지막으로 확인됨

2026년 11월 1일

추가 정보

이 연구와 관련된 용어

기타 연구 ID 번호

  • 2021p003356
  • R21MH128619 (미국 NIH 보조금/계약)

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

예

IPD 계획 설명

We will share data every January 15 and July 15 with the NIMH Data Archives (NDA) under a NIMH Data Repositories Data Submission Agreement between NIMH and VA Boston Health System (VABHS). Data sharing is required for all NIMH-funded research projects. The NDA DSA will be approved by the VABHS IRB. Each participant will be assigned Global Unique ID (GUID) and data shared will contain no identifiable information. Shared data will include scored psychophysiological, self-report instruments, cortisol, actigraphy, and fully de-identified demographic data.

IPD 공유 기간

Study data will become available following the end of the study and the publication of results.

IPD 공유 액세스 기준

Investigators can apply to the NIMH Data Archive (NDA) for permission to use these data.

IPD 공유 지원 정보 유형

  • 연구_프로토콜

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

구독하다