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Is self-guided internet-based cognitive behavioural therapy (iCBT) harmful? An individual participant data
Eirini Karyotaki1, Lise Kemmeren2, Heleen Riper1
1Department of Clinical Psychology,VU Amsterdam and Institute for Public Health Research,Amsterdam,the Netherlands.
Self-guided internet-based cognitive behaviour therapy (iCBT) shows lower symptom worsening rates than control conditions. This finding supports iCBT as a safe initial treatment for adult depression.
Area of Science:
- Mental Health Research
- Digital Therapeutics
- Clinical Psychology
Background:
- Safety concerns regarding self-guided internet-based cognitive behaviour therapy (iCBT) hinder its clinical adoption.
- Limited data exists on symptom deterioration rates associated with self-guided iCBT.
Purpose of the Study:
- To determine the prevalence of clinically significant deterioration in adults with depressive symptoms undergoing self-guided iCBT.
- To compare deterioration rates between self-guided iCBT and control conditions using an individual participant data meta-analysis.
Main Methods:
- An individual participant data (IPD) meta-analysis was conducted.
- Included were randomized controlled trials comparing self-guided iCBT to control conditions in adults with depression symptoms.
- Mixed effects models were used to analyze deterioration rates.
Main Results:
- Data from 3805 participants across 13 trials were analyzed.
- Overall, 7.2% of participants experienced clinically significant deterioration.
- Participants receiving self-guided iCBT were less likely to deteriorate compared to control groups (OR 0.62, p < 0.001).
Conclusions:
- Self-guided iCBT demonstrates a lower incidence of negative symptom outcomes compared to control conditions.
- iCBT can be considered a viable first-step treatment for adult depression.
- It offers a safe alternative to watchful waiting in primary care settings.
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