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The Nightmare Augmented Protocol for Treatment of Nightmares in Veterans With PTSD (NAP)

V

VA Eastern Kansas

Status

Terminated

Conditions

PTSD

Treatments

Behavioral: NAP
Behavioral: Cognitive Behavioral Therapy for Insomnia
Behavioral: CPT
Behavioral: ERRT

Study type

Interventional

Funder types

Other U.S. Federal agency

Identifiers

NCT05120674
CH-0001

Details and patient eligibility

About

The primary goal of this study is to determine whether the use of a timed tone played during sleep, in addition to the use of established therapies, will reduce or eliminate the occurrence of nightmares. In particular, the protocol tests two different mechanisms for improvement: 1) further decreasing autonomic arousal and providing a mechanism for restoration and 2) enhancing memory processing for the alternate version of the traumatic events.

Full description

Study Population: The study population consisted of veterans who experienced nightmares and were enrolled in a voluntary inpatient stress unit at the Topeka VA. Given that individuals enrolled in the inpatient unit were under constant treatment conditions, there are no specific demographic requirements for this study.

Participants were informed about the study and, if interested, completed the informed consent process. Consented participants were randomly assigned to a treatment group. Self-reported symptoms (e.g., sleep duration, quality, presence and severity of nightmares) were assessed every morning via sleep diaries and sleep was recorded objectively via the DREEM device. Participants were debriefed upon completion of treatment.

All participants who consent for participation and meet inclusion/exclusion criteria were randomly assigned into one of three potential groups. Participants were randomly sorted into groups via an ordered systematic separation pattern. Both participants and data analysts were blinded to the group assignments. Specific protocol details for each group are described below. Regardless of group assignment, all participants followed the treatment unit's standard protocols, with the only change being that Groups 2 (Cognitive Processing Therapy + Cognitive Behavioral Therapy for Insomnia) & 3 (Cognitive Processing Therapy + Cognitive Behavioral Therapy for Insomnia + Nightmare Augmented Protocol-NAP) participated in an Exposure, Relaxation, and Rescripting Therapy (ERRT) and Group 1 (Cognitive Processing Therapy only group) did not.

The NAP intervention: Veterans in group 3 completed the Cognitive Processing Therapy +ERRT protocol augmented by the auditory stimulation delivered by the DREEM device. Auditory stimulation consists of exposure and sleep stimulation. Exposure stimulation includes playing a rhythmic tone at 40-60hz (commonly referred to as pink noise) throughout the ERRT session and during the presleep exposure portion of ERRT. During the ERRT session, the tone will be played softly so as not to interfere with the session and will be played throughout the entire session. Before sleep, the veteran played the 40-60hz tone via their smartphone while they read their rescripted nightmare. During sleep, the 40-60hz tone was delivered during slow-wave-sleep (SWS) by the DREEM device. The DREEM device is a headband like device used to measure and enhance sleep via auditory stimulation. The DREEM device uses electroencephalogram (EEG) to determine when an individual is in SWS and then uses built in speakers to play the desired tone (this tone is undetectable to the dreamer and will not wake them). The DREEM device has been demonstrated to be a safe and effective device for measuring and enhancing sleep.

Data Collection: Presleep arousal, sleep quality, and the occurrence of a posttrauma nightmare(s) were assessed via sleep diaries. Sleep diaries were completed every night prior to bedtime and every morning upon awakening. Each daily diary consisted of outcome measures including the Nightmare Diary entry, Presleep Arousal Scale (PAS), Morning Diary entry, Pittsburgh Sleep Quality Index (PSQI), and the Trauma-Related Nightmare Survey (TRNS).

Statistical Analyses: Repeated measures Analysis of Variance (ANOVA) will be used to compare nightmare frequency and sleep quality both within and between treatment groups. These analyses will be used to determine if groups had significant reductions in nightmare frequency/ improvements in sleep quality improvement and to determine if there are group differences in sleep quality. For participants in the NAP group, the researchers will use multilevel modeling (MLM) to determine whether there were changes in sleep macro or micro architecture concurrent with introduction of the auditory tone.

Enrollment

28 patients

Sex

All

Ages

18 to 99 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Veterans enrolled in the inpatient stress unit.
  2. Veterans who consent to participating in the treatment study.
  3. Veterans who report experiencing weekly nightmares related to a traumatic event.

Exclusion criteria

  1. Does not own a smartphone that can access the internet.
  2. Veterans who do not experience nightmares related to a traumatic event.
  3. Veterans who are unable to wear an electronic headband during sleep.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

28 participants in 3 patient groups

CPT+CBT-I (usual care)
Active Comparator group
Description:
Veterans in this group completed the inpatient unit's existing Cognitive Processing Therapy (CPT) group based protocol. Furthermore, veterans in this group will also complete the inpatient unit's existing Cognitive Behavioral Therapy for Insomnia (CBT-I) group based protocol.
Treatment:
Behavioral: CPT
Behavioral: Cognitive Behavioral Therapy for Insomnia
CPT+ CBT-I + ERRT
Active Comparator group
Description:
Veterans in this group completed the CPT and CBT-I protocols augmented by the ERRT. ERRT therapy focuses on treating the posttrauma nightmares and does these via sleep hygiene, nightmare rescription, and exposure.
Treatment:
Behavioral: ERRT
Behavioral: CPT
Behavioral: Cognitive Behavioral Therapy for Insomnia
CPT+ CBT-I + ERRT + NAP
Experimental group
Description:
Veterans in this group will complete the CPT+CBT-I+ERRT protocol augmented by auditory stimulation (NAP). Exposure stimulation includes playing a rhythmic tone at 40-60hz (commonly referred to as pink noise) throughout the ERRT session and during the presleep exposure portion of ERRT. During the ERRT session, the tone will be played softly so as not to interfere with the session and will be played throughout the entire session. Before sleep, the veteran will play the 40-60hz tone via their smartphone while they read their rescripted nightmare. During sleep, the 40-60hz tone will be delivered during slow-wave-sleep (SWS) by the DREEM device (DREEM, 2013).
Treatment:
Behavioral: ERRT
Behavioral: CPT
Behavioral: Cognitive Behavioral Therapy for Insomnia
Behavioral: NAP

Trial documents
1

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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