Mindfulness-based 'third wave' cognitive and behavioural therapies versus treatment as usual for depression.

This is the protocol for a review and there is no abstract. The objectives are as follows: To examine the effectiveness and acceptability of all third wave CBT approaches compared with treatment as usual/waiting list/attention placebo control conditions for acute depression.To examine the effectiveness and acceptability of different third wave CBT approaches (ACT, compassionate mind training, functional analytic psychotherapy, meta-cognitive therapy, dialectical behaviour therapy, MBCT, extended behavioural activation and meta-cognitive therapy) compared with treatment as usual/waiting list/attention placebo control conditions for acute depression.To examine the effectiveness and acceptability of all third wave CBT approaches compared with different types of comparator (standard care, no treatment, waiting list, attention placebo) for acute depression.