Skip to main content
OpenTrials
Completed

NCT Number: NCT01312116

Psychodynamic Internet Treatment Versus Cognitive Behavioral Therapy (CBT) for Generalized Anxiety Disorder

The objective is to test if Internet-delivered cognitive behavior therapy (iCBT) or Internet-delivered psychodynamic therapy (iPDT) performs better for a population with generalized anxiety disorder (GAD), compared to a wait-list control condition.

Completed

Looking for future studies?

Notify Me

Key information

Conditions

Generalized Anxiety Disorder Anxiety Disorders Mental Disorders

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Linköping University

Linköping, Östergötland County, 581 83, Sweden

About this study

This was a non-inferiority trial within the context of a parallel group study with unrestricted randomisation in 1:1:1 ratio conducted in Sweden. Outcome assessors were blind to treatment status.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • fulfill the diagnostic criteria for GAD according to DSM-IV
  • have access to the Internet
  • have good knowledge of the Swedish language

Exclusion criteria

  • recent (during last 6 weeks) change in psychiatric medication
  • presently in any other psychological treatment
  • severe depression
  • suicidal ideation

Treatment and study plan

ICBT

Behavioral

Internet-delivered cognitive behavior therapy, 8 weeks

iPDT

Behavioral

Internet-delivered psychodynamic therapy, 8 weeks

Primary outcomes

  1. Penn State Worry Questionnaire (PSWQ)

    Time frame: Two weeks pre treatment to two weeks post treatment.

    Change from baseline in anxiety symptoms to two weeks post treatment.

Secondary outcomes

  1. Montgomery Åsberg Depression Rating Scale-Self Rated (MADRS-S)

    Time frame: Two weeks pre treatment to two weeks post treatment

    Change from baseline in depressive symptoms to two weeks post treatment.

  2. Quality of Life Inventory (QOLI)

    Time frame: Two weeks pre treatment to two weeks post treatment

    Change from baseline in quality of life status to two weeks post treatment.

  3. Beck Depression Inventory (BDI)

    Time frame: Two weeks pre treatment to two weeks post treatment

    Change from baseline in depressive symptoms to two weeks post treatment.

  4. Beck Anxiety Inventory (BAI)

    Time frame: Two weeks pre treatment to two weeks post treatment

    Change from baseline in anxiety symptoms to two weeks post treatment.

  5. Trimbos and iMTA questionnaire on Costs associated with Psychiatric illness (TIC-P)

    Time frame: Two weeks pre treatment to two weeks post treatment

    Change from baseline in societal cost of illness to two weeks post treatment.

  6. State Trait Anxiety Inventory (STAI)

    Time frame: Two weeks pre treatment to two weeks post treatment

    Change from baseline in anxiety symptoms to two weeks post treatment.

  7. Generalized Anxiety Disorder Questionnaire IV (GAD-Q IV)

    Time frame: Two weeks pre treatment to two weeks post treatment

    Change from baseline in anxiety symptoms to two weeks post treatment.

Sponsors and collaborators

Lead sponsor

Linkoeping University

Other Gov

Collaborators

  • Stockholm University

Registry information

Official study title

Psychodynamic Versus Cognitive Behavioral Internet-Delivered Guided Self-help for Generalized Anxiety Disorder: A Randomized Controlled Trial

Important dates

Study start
2009
Primary completion
2009
Study completion
2010
First posted
Mar 10, 2011
Registry last updated
Mar 10, 2011

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Related clinical trials

Published trials that share one or more normalized conditions with this study.