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

Linköping University (LiU)

Status: Completed

Conditions: Generalized Anxiety Disorder

Treatments: Behavioral: iPDT; Behavioral: iCBT

Study type: Interventional

Funder types: Other

Identifiers

NCT01312116

Dnr 2007-0756

Details and patient eligibility

About

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.

Full description

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.

Enrollment: 81 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

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

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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81 participants in 3 patient groups

Internet-delivered CBT

Experimental group

Description:

Active treatment: Internet-delivered Cognitive Behavior Therapy, 8 weeks treatment, guided self-help

Treatment:

Behavioral: iCBT

Internet-delivered PDT

Experimental group

Description:

Active treatment: Internet-delivered Psychodynamic Therapy Active treatment: Internet-delivered Psychodynamic Therapy, 8 weeks treatment, guided self-help

Treatment:

Behavioral: iPDT

Control condition

No Intervention group

Description:

Wait-list condition, received treatment 3 months after initial treatment period