The Efficacy of Metacognitive Therapy: A Systematic Review and Meta-Analysis -Normann & Morina (2018) (Jo Daniels likes it)

[Sly Saint]

yet another psychotherapy:

"A large proportion of the identified studies treated patients suffering from anxiety and depression (see Table 1). There were eight trials on depressive disorders. Of these, seven were on major depressive disorder, whereas one study also included a small proportion of patients with bipolar II and bipolar not-otherwise-specified (Jordan et al., 2014).
Five trials were conducted on generalized anxiety disorder, three were conducted on post-traumatic stress disorder, and three were conducted on transdiagnostic samples with anxiety and/or depression. The remaining six trials were on cancer distress, schizophrenia spectrum disorders, body dysmorphic disorder, hyposexual desire disorder, obsessive-compulsive disorder, and grief."

Risk of bias

Risk of Bias
Table 2 presents the risk of bias of each included study. Overall, the most prevalent rating given was low risk of bias. However, unclear risks of bias were present with regard to allocation concealment, as only 5 out of the 15 controlled trials had described in adequate detail how the randomization schedule was concealed, so that participants and assessors could not foresee which treatment they were allocated to.

Separating the randomization from the recruitment process is essential for ensuring that researchers or assessors do not influence assignment of potential participants to treatment arms. Of the 25 studies, 18 had an unclear risk of selective reporting, as they did not report whether they had published a study protocol for the study.

We found high risks of attrition bias in five studies, where intent-to-treat analyses were not applied. Furthermore, we found high risks of detection bias in two studies, as they had not blinded the outcome assessor for the primary outcome measure at post-treatment.

Altogether, the risk of bias was rated as low in 73% of cases, unclear in 23% of the cases, and high in 4% of the cases. Furthermore, the trials did not differ substantially on risk of bias and thus this variable could not be included in subanalyses.

"Thus, additional randomized controlled trials with larger sample sizes are needed in order to draw firm conclusions on whether there are differences in treatment effects between MCT and CBT interventions. Furthermore, future research should investigate whether MCT and CBT work differently for different groups of patients with psychological complaints."

https://www.frontiersin.org/articles/10.3389/fpsyg.2018.02211/full



eta: I expect we will be seeing trials of this comparing it to CBT(?)

 

[obeat]

yet another psychotherapy:

"A large proportion of the identified studies treated patients suffering from anxiety and depression (see Table 1). There were eight trials on depressive disorders. Of these, seven were on major depressive disorder, whereas one study also included a small proportion of patients with bipolar II and bipolar not-otherwise-specified (Jordan et al., 2014).
Five trials were conducted on generalized anxiety disorder, three were conducted on post-traumatic stress disorder, and three were conducted on transdiagnostic samples with anxiety and/or depression. The remaining six trials were on cancer distress, schizophrenia spectrum disorders, body dysmorphic disorder, hyposexual desire disorder, obsessive-compulsive disorder, and grief."

Risk of bias


"Thus, additional randomized controlled trials with larger sample sizes are needed in order to draw firm conclusions on whether there are differences in treatment effects between MCT and CBT interventions. Furthermore, future research should investigate whether MCT and CBT work differently for different groups of patients with psychological complaints."

https://www.frontiersin.org/articles/10.3389/fpsyg.2018.02211/full

They still can't analyse BIAS . 18 out of 25 trials had UNCLEAR risk of selective reporting so they conclude that bias was low in 75%. Surely it was high !

 

[Sean]

"Thus, additional randomized controlled trials with larger sample sizes are needed...

The most reproduced and robust scientific finding ever.