RecruitingNot ApplicableNCT06667674

A Swedish Internet CBT for Prolonged Grief Disorder: a Three-armed RCT

Efficacy and Mechanisms of Change of Online Cognitive Behavioural Therapy for Prolonged Grief Disorder After Loss: a Three-armed Randomised Control Trial

Sponsor

Uppsala University

Enrollment

270 participants

Start Date

Apr 23, 2025

Study Type

INTERVENTIONAL

Conditions

Prolonged grief disorder

Summary

The goal of this clinical trial is to evaluate the effectiveness of internet-delivered Cognitive Behavioral Therapy (iCBT) in reducing symptoms of prolonged grief in adults diagnosed with prolonged grief disorder. The main questions the study aims to answer are: * Does iCBT reduce symptoms of prolonged grief disorder, posttraumatic stress, and depression following the death of a loved one in the short and long term? * What mechanisms contribute to the effectiveness of iCBT in treating prolonged grief disorder? The iCBT intervention will be compared to a waitlist control group and an active control group to see if iCBT reduces symptoms of prolonged grief disorder more effectively than no treatment or a placebo treatment. Participants will: * Be randomly assigned to either the iCBT group, an active control group or a waitlist control group * Complete online assessments of symptom severity, grief cognitions, and level of avoidance before, during and after intervention * Engage in 10 weeks of a therapist-guided online treatment

Eligibility

Min Age: 18 Years

Inclusion Criteria3

Currently residing in Sweden
Lost a relative or close friend to any cause of death at least six months ago
Suffers from prolonged grief disorder

Exclusion Criteria2

Ongoing severe psychiatric problems that may prevent treatment implementation or require more urgent care (e.g., participants with untreated psychotic disorder, untreated bipolar disorder, ongoing substance abuse, elevated suicide risk)
Change in dosage of any medication for mental health issues (e.g., antidepressant medication) in the past four weeks or in the next two months

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Interventions

BEHAVIORALiCBT for prolonged grief

Participants will undergo a 10-week internet-delivered, therapist-led cognitive behavioral therapy treatment (iCBT) for prolonged grief, which includes psychoeducation about grief and common grief reactions, exposure, cognitive restructuring and behavioral activation.

BEHAVIORALActive control

Participants will undergo a 10-week internet-delivered, therapist-led treatment, which includes psychoeducation about grief and common grief reactions.