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Войти в исследования The Journal of clinical psychiatry · 2016
Doxazosin XL reduces symptoms of posttraumatic stress disorder in veterans with PTSD: a pilot clinical trial.
Клиническое исследованиеКонтролируемое клиническое исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Rodgman Christopher, Verrico Christopher D, Holst Manuela, Thompson-Lake Daisy, Haile Colin N, De La Garza Richard, Raskind Murray A, Newton Thomas F
Аннотация
BACKGROUND: Serotonin and norepinephrine reuptake inhibitors are effective first-line agents for the treatment of posttraumatic stress disorder (PTSD), but treatment is associated with a range of side effects that limit treatment adherence. Prazosin, an α1-noradrenergic antagonist with a half-life of roughly 2-3 hours, has shown promise in the treatment of sleep disturbance and nightmares. Doxazosin extended release (XL) is also an α1-noradrenergic antagonist but with a half-life of approximately 15-19 hours.
METHODS: We conducted a double-blind, placebo-controlled, within-subjects trial to characterize the impact of doxazosin XL on PTSD symptoms. Participants (N = 8) were diagnosed using DSM-IV criteria. They completed the study twice, once during treatment with doxazosin XL and once during treatment with matched placebo, with a 2-week washout separating the 2 episodes. Doxazosin XL was titrated from 4 mg/d to 16 mg/d over 12 days. After 4 days of treatment at 16 mg/d or the equivalent number of placebo capsules, PTSD symptoms were assessed using the Clinician-Administered PTSD Scale (CAPS17) and the PTSD Checklist-Military version (PCL-M). Repeated measures analysis of variance were used to evaluate effects of treatment, time, and treatment × time. This study was run from November 20, 2013, to June 31, 2014.
RESULTS: Doxazosin XL treatment was associated with a nonsignificant treatment × time reduction in ratings on the CAPS hyperarousal subscale (P < .10) (but not on the CAPS Total score) and with significant treatment × time reductions in PCL-M ratings (P = .002).
CONCLUSIONS: Doxazosin XL may be an effective alternative to prazosin for the treatment of some PTSD symptoms.
TRIAL REGISTRATION: ClinicalTrials.gov Identifier:NCT02308202.
METHODS: We conducted a double-blind, placebo-controlled, within-subjects trial to characterize the impact of doxazosin XL on PTSD symptoms. Participants (N = 8) were diagnosed using DSM-IV criteria. They completed the study twice, once during treatment with doxazosin XL and once during treatment with matched placebo, with a 2-week washout separating the 2 episodes. Doxazosin XL was titrated from 4 mg/d to 16 mg/d over 12 days. After 4 days of treatment at 16 mg/d or the equivalent number of placebo capsules, PTSD symptoms were assessed using the Clinician-Administered PTSD Scale (CAPS17) and the PTSD Checklist-Military version (PCL-M). Repeated measures analysis of variance were used to evaluate effects of treatment, time, and treatment × time. This study was run from November 20, 2013, to June 31, 2014.
RESULTS: Doxazosin XL treatment was associated with a nonsignificant treatment × time reduction in ratings on the CAPS hyperarousal subscale (P < .10) (but not on the CAPS Total score) and with significant treatment × time reductions in PCL-M ratings (P = .002).
CONCLUSIONS: Doxazosin XL may be an effective alternative to prazosin for the treatment of some PTSD symptoms.
TRIAL REGISTRATION: ClinicalTrials.gov Identifier:NCT02308202.