NCT00773617

Brief Summary

This study will compare a new method of treatment for bulimia nervosa (ICAT), integrative cognitive-affective therapy, to the current standard method of treatment, cognitive behavioral therapy (CBT).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
80

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Mar 2009

Typical duration for not_applicable

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 15, 2008

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 16, 2008

Completed
5 months until next milestone

Study Start

First participant enrolled

March 1, 2009

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2011

Completed
Last Updated

March 29, 2018

Status Verified

April 1, 2013

Enrollment Period

2.1 years

First QC Date

October 15, 2008

Last Update Submit

March 27, 2018

Conditions

Keywords

Bulimia NervosaTreatment EfficacyIntegrative Cognitive Affective TherapyCognitive Behavior Therapy

Outcome Measures

Primary Outcomes (2)

  • Percent reduction in binging or purging frequency as defined by symptom recall (SR)

    Measured at baseline, weekly intervals throughout the duration of therapy, end of treatment, and 32-week follow-up

  • Percent reduction in binging or purging frequency, as defined by the Eating Disorders Examination (EDE)

    Measured at baseline, end of treatment, and 32-week follow-up

Secondary Outcomes (7)

  • Reduction in depression, as defined by the Beck Depression Inventory (BDI)

    Measured at baseline, therapy session eight, end of treatment, and 32-week follow-up

  • Reduction in anxiety as defined by the State-Trait Anxiety Inventory (STAI)

    Measured at baseline, therapy session eight, end of treatment, and 32-week follow-up

  • Abstinence from binging and purging behavior, as defined by SR and EDE

    Measured at the end of treatment and 32-week follow-up

  • Study retention rates

    Measured weekly throughout treatment

  • Patient and therapist satisfaction, as defined by the Treatment Acceptability, Feasibility and Satisfaction Scale (TAFSQ)

    Measured at therapy session two, therapy session eight, end of treatment, and 32-week follow-up

  • +2 more secondary outcomes

Study Arms (2)

1

EXPERIMENTAL

Integrative cognitive affective therapy (ICAT)

Behavioral: ICAT

2

ACTIVE COMPARATOR

Cognitive behavioral therapy (CBT)

Behavioral: CBT

Interventions

ICATBEHAVIORAL

ICAT is a new manual-based psychotherapy treatment for bulimia nervosa (BN) that focuses on emotions and bulimic behavior.

1
CBTBEHAVIORAL

CBT is a highly structured, manual-based psychotherapy that has been shown to be effective in the treatment of BN. CBT focuses on cognitions and bulimic behavior.

2

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Bulimia nervosa, as defined by DSM-IV, or bulimic symptoms, as defined as purging episodes (with objective or subjective binge eating) that occur at least once per week for the past 3 months

You may not qualify if:

  • Past or current diagnosis of psychosis or bipolar disorder
  • Inability to read English
  • Medical instability, including electrolyte abnormalities
  • Psychotherapy or pharmacotherapy initiated within 6 weeks of study entry
  • Pregnant or lactating
  • Drug or alcohol dependence in the past 6 months or drug or alcohol abuse in the past 6 weeks
  • Severe cognitive impairment or mental retardation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

University of Minnesota Eating Disorders Research Program

Minneapolis, Minnesota, 55454, United States

Location

Neuropsychiatric Research Institute

Fargo, North Dakota, 58103, United States

Location

Related Publications (5)

  • Peterson CB, Berg KC, Crosby RD, Lavender JM, Accurso EC, Ciao AC, Smith TL, Klein M, Mitchell JE, Crow SJ, Wonderlich SA. The effects of psychotherapy treatment on outcome in bulimia nervosa: Examining indirect effects through emotion regulation, self-directed behavior, and self-discrepancy within the mediation model. Int J Eat Disord. 2017 Jun;50(6):636-647. doi: 10.1002/eat.22669. Epub 2017 Jan 24.

  • Haynos AF, Pearson CM, Utzinger LM, Wonderlich SA, Crosby RD, Mitchell JE, Crow SJ, Peterson CB. Empirically derived personality subtyping for predicting clinical symptoms and treatment response in bulimia nervosa. Int J Eat Disord. 2017 May;50(5):506-514. doi: 10.1002/eat.22622. Epub 2016 Sep 9.

  • Accurso EC, Wonderlich SA, Crosby RD, Smith TL, Klein MH, Mitchell JE, Crow SJ, Berg KC, Peterson CB. Predictors and moderators of treatment outcome in a randomized clinical trial for adults with symptoms of bulimia nervosa. J Consult Clin Psychol. 2016 Feb;84(2):178-84. doi: 10.1037/ccp0000073. Epub 2015 Dec 21.

  • Accurso EC, Fitzsimmons-Craft EE, Ciao A, Cao L, Crosby RD, Smith TL, Klein MH, Mitchell JE, Crow SJ, Wonderlich SA, Peterson CB. Therapeutic alliance in a randomized clinical trial for bulimia nervosa. J Consult Clin Psychol. 2015 Jun;83(3):637-42. doi: 10.1037/ccp0000021. Epub 2015 Apr 20.

  • Wonderlich SA, Peterson CB, Crosby RD, Smith TL, Klein MH, Mitchell JE, Crow SJ. A randomized controlled comparison of integrative cognitive-affective therapy (ICAT) and enhanced cognitive-behavioral therapy (CBT-E) for bulimia nervosa. Psychol Med. 2014 Feb;44(3):543-53. doi: 10.1017/S0033291713001098. Epub 2013 May 23.

MeSH Terms

Conditions

Feeding and Eating DisordersBulimia Nervosa

Condition Hierarchy (Ancestors)

Signs and Symptoms, DigestiveSigns and SymptomsPathological Conditions, Signs and SymptomsMental Disorders

Study Officials

  • Stephen A. Wonderlich, PhD

    Neuropsychiatric Research Institute, University of North Dakota

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 15, 2008

First Posted

October 16, 2008

Study Start

March 1, 2009

Primary Completion

April 1, 2011

Study Completion

April 1, 2011

Last Updated

March 29, 2018

Record last verified: 2013-04

Locations