Cognitive Behaviour Therapy for Depersonalisation Derealisation Disorder (CBT-f-DDD): Study protocol for a randomised...

Area of Science:

• Psychiatry
• Clinical Psychology
• Mental Health Research

Background:

• Depersonalisation-Derealisation Disorder (DDD) affects ~1% of the population, causing distressing detachment.
• DDD is under-researched and under-diagnosed, with limited evidence-based treatments.
• Cognitive Behavioural Therapy (CBT) shows promise but requires further investigation in DDD.

Purpose of the Study:

• To assess the feasibility and acceptability of a randomised controlled trial (RCT) for CBT in DDD.
• To evaluate the potential efficacy of CBT for alleviating DDD symptoms.
• To inform the design of a definitive RCT for DDD treatment.

Main Methods:

• A feasibility RCT involving 40 participants across two NHS trusts.
• Intervention group receives 12-24 CBT sessions; control group receives Treatment as Usual.
• Feasibility assessed by recruitment, retention, randomisation, and intervention acceptability.

Main Results:

• This section is not available in the provided abstract.
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• This section is not available in the provided abstract.

Conclusions:

• The trial's outcomes will guide the feasibility and acceptability of a future definitive RCT.
• Results will inform both clinicians and participants about the potential of CBT for DDD.