Empirical research
Empirical research into the efficacy of ISTDP, and other brief psychodynamic psychotherapies is active. There are now over 60 published outcome studies in ISTDP including 40 randomized controlled trials for depression, anxiety, personality, somatic symptom and substance use disorders. There are also over 20 studies showing the cost effectiveness of the method through reducing doctor visits, medication costs, hospital costs and disability costs. Summary of cost effectiveness studies to 2018