This is a single-arm, multisite (2 sites) pilot trial that is evaluating Nightmare Deconstruction and Reprocessing (NDR) for treating posttraumatic nightmares and insomnia in up to 30 military service members and veterans. Study aims are to test NDR's plausibility and tolerability and to test methodologic feasibility of collecting heart rate variability (HRV), electrodermal activity (EDA), and actigraphy data via a wristband device and peripheral blood samples within a pre-specified circadian window. Treatment consists of 8 sessions over 8 weeks. Participants are assessed at study visits 0, 1, and 7 and 1-month follow-up. Psychometric assessments include the Disturbing Dreams and Nightmare Severity Index, Pittsburgh Sleep Quality Index, and Clinician-Administered PTSD Scale for DSM-5.
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Disturbing Dream and Nightmare Severity Index (DDNSI)
Timeframe: Up to16 weeks, starting with screening, then weekly through the treatment period (8 weeks), and at follow-up (1 month)
Pittsburgh Sleep Quality Index (PSQI)
Timeframe: Up to16 weeks, starting with screening, then weekly through the treatment period (8 weeks), and at follow-up (1 month)