Brent, D.A., Porta, G., Rozenman, M.S., Dickerson, J.F., Iyengar, S. Weersing, R. Brief Behavioural Therapy for Pediatric Anxiety and Depression in Primary Care: a follow up Child Adoles Psychiatr (2019). https://doi.org/10.1016/j.jaac.2019.06.009.

This study found that a new primary care-based therapy, Brief Behavioural Therapy (BBT), was more effective than a waitlist control at improving anxiety and depression.  Prior to wider clinical use, further studies are needed using more larger samples and more rigorous controls.

https://www.jaacap.org/article/S0890-8567(19)30449-6/fulltext?dgcid=raven_jbs_etoc_email