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The Effect of Psychotherapy on Stress Biochemistry: An RCT of Psychotherapy and Emotional Freedom Techniques (EFT)
This study has been completed.
Study NCT00641394   Information provided by Soul Medicine Institute
First Received: March 18, 2008   Last Updated: July 6, 2008   History of Changes
This Tabular View shows the required WHO registration data elements as marked by

March 18, 2008
July 6, 2008
April 2008
spot cortisol level [ Time Frame: 60 minutes ] [ Designated as safety issue: No ]
Same as current
Complete list of historical versions of study NCT00641394 on ClinicalTrials.gov Archive Site
SA-45 symptom assessment questionnaire, with subscales for depression, anxiety, hostility, interpersonal sensitivity, phobias, and other psychological traits [ Time Frame: 60 minutes ] [ Designated as safety issue: No ]
Same as current
 
The Effect of Psychotherapy on Stress Biochemistry: An RCT of Psychotherapy and Emotional Freedom Techniques (EFT)
The Effect of Psychotherapy on Stress Biochemistry: A Randomized Blind Controlled Trial of Psychotherapy and Emotional Freedom Techniques (EFT)

The purpose of this study is to determine whether there is a change in levels of cortisol, a key stress hormone, during the course of a psychotherapy session. The two forms of psychotherapy compared are Cognitive Behavioral Therapy (CBT) and Emotional Freedom Techniques (EFT). A no treatment control group provides a baseline measure. The change in cortisol level is compared between the start and end of a one hour session.

Cortisol is a crucial physiological marker for stress. Stress produces elevated cortisol levels for as long as the body can supply the precursors.

Elevated cortisol levels are associated with physical conditions such as impaired immune system function, cardiovascular disease, stroke, and accelerated aging. Elevated cortisol levels are also implicated in many psychological conditions. If the adrenal glands, which produce cortisol, are stimulated by the physical or psychological environment to produce stress hormones, they shunt production away from making DHEA, which is vital for cell regeneration. The current pilot study examines the change in cortisol levels that result from a one hour psychotherapy session. It measures salivary cortisol, which indicates the levels of cortisol readily available to the body. This measure is relatively stable, and is not susceptible to large swings in the relatively brief period of a one hour psychotherapy session. Excluded are subjects with major depressive disorder, posttraumatic stress syndrome, and chronic diseases which have been shown to affect cortisol levels. Cortisol assessments will also take place in the afternoon or evening, to control for low waking cortisol which may be present in some normal subjects. It is hypothesized that if psychotherapy is successful at treating trauma, cortisol levels will decline between the beginning of the hour and the end of the hour. The structure of the session is that the client discusses their emotional trauma in the first half of the session, and is treated with either cognitive behavioral therapy (CBT) or emotional freedom techniques (EFT) in the second half of the session. A no treatment control group provides baseline data. Half an hour is sufficient time for cortisol reuptake, and if therapy is successful at reducing physiological markers of stress, the client might demonstrate lower levels of cortisol at the conclusion of the psychotherapy session. Subjects who spontaneously have recall of a new significant trauma during the treatment portion of the session will also be excluded, since such recall can result in a cortisol spike. The study also evaluates a range of psychological conditions before and after the session using the SA-45. This brief questionnaire has subscales for anxiety, depression, phobias, hostility and other characteristics; these can be compared to cortisol levels to determine any correlations between psychological and physiological change.

 
Interventional
Treatment, Randomized, Double Blind (Subject, Caregiver, Outcomes Assessor), Active Control, Parallel Assignment, Efficacy Study
  • Stress
  • Depression
  • Anxiety
  • Behavioral: Psychotherapy: Emotional Freedom Techniques (EFT)
  • Behavioral: Cognitive Behavioral Therapy (CBT)
  • Experimental: Psychotherapy: Emotional Freedom Techniques (EFT), a psychotherapy intervention with a somatic component
  • Active Comparator: Psychotherapy: Cognitive Behavioral Therapy (CBT), a psychotherapy intervention
Gaab J, Blättler N, Menzi T, Pabst B, Stoyer S, Ehlert U. Randomized controlled evaluation of the effects of cognitive-behavioral stress management on cortisol responses to acute stress in healthy subjects. Psychoneuroendocrinology. 2003 Aug;28(6):767-79.

*   Includes publications given by the data provider as well as publications identified by National Clinical Trials Identifier (NCT ID) in Medline.
 
Completed
30
July 2008
May 2008   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • Good Health History

Exclusion Criteria:

  • MDD (Major Depressive Disorder)
  • PTSD (Post Traumatic Stress Disorder)
  • Psychotropic Prescription Drug Use
  • Currently Under Psychiatric Care
  • Major disease, cancer, cardiovascular disease
  • Autoimmune disease
  • CFS (Chronic Fatigue Syndrome)
  • Cushing's Syndrome
  • Addison's Disease
  • Spontaneous Trauma Recall in Final 20 minutes of Session
  • History of Psychological Illness
Both
18 Years to 75 Years
Yes
 
United States
 
 
NCT00641394
Dawson Church, Executive Director, Soul Medicine Institute
 
Soul Medicine Institute
 
Principal Investigator: Dawson Church, PhD Soul Medicine Institute
Soul Medicine Institute
July 2008

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††   WHO trial registration data element that is required only if it exists.