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A Self-Help Method for Nightmares (Nightmares)

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: August 8, 2007
Last Update Posted: November 19, 2008
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Fonds Psychische Gezondheid
Information provided by:
Utrecht University
The objective of this study is to validate a newly designed self-help treatment for nightmares. This self-help treatment is based on Imagery Rehearsal Therapy. This treatment will be validated in comparison to an exposure treatment a diary condition and a waiting list condition.

Condition Intervention
Nightmares Behavioral: IRT Behavioral: Exposure

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Self-Help Method for Nightmares

Further study details as provided by Utrecht University:

Primary Outcome Measures:
  • Nightmare frequency [ Time Frame: 1 year ]
  • Nightmare distress [ Time Frame: 1 year ]

Secondary Outcome Measures:
  • Sleep quality [ Time Frame: 1 year ]
  • Sleep complaints [ Time Frame: 1 year ]
  • Anxiety ratings [ Time Frame: 1 year ]
  • Posttraumatic complaints (low - moderate - high) [ Time Frame: 1 year ]
  • Depression ratings [ Time Frame: 1 year ]

Enrollment: 399
Study Start Date: April 2007
Study Completion Date: November 2008
Primary Completion Date: September 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: IRT
Intervention based on Imagery Rehearsal Therapy
Behavioral: IRT
Cognitive behavior intervention
Active Comparator: Exposure
Treatment based on exposure
Behavioral: Exposure
Exposure intervention
No Intervention: Nightmare diary
Recording nightmares in a diary
No Intervention: Waiting list
Waiting list


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Suffering from Nightmares
  • Access to internet
  • A valid e-mail address
  • Be able to understand Dutch

Exclusion Criteria:

  • Severe posttraumatic complaints
  • Severe depression
  • High anxiety ratings
  • In therapy for post traumatic stress disorder
  • Being suicidal
  • Schizophrenic or having a psychosis episode
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00513045

Utrecht University
Utrecht, Netherlands, 3508TC
Sponsors and Collaborators
Utrecht University
Fonds Psychische Gezondheid
Study Director: Jan Van den Bout, Prof. dr. Utrecht University
  More Information

Additional Information:
Responsible Party: Utrecht University
ClinicalTrials.gov Identifier: NCT00513045     History of Changes
Other Study ID Numbers: FPG20066126
First Submitted: August 7, 2007
First Posted: August 8, 2007
Last Update Posted: November 19, 2008
Last Verified: November 2008

Keywords provided by Utrecht University: