Spotlight: Ketamine and psychotherapy for the treatment of psychiatric disorders: systematic review (Kew, et al, 2023)
"...Outcomes were largely positive for the addition of psychotherapy to ketamine treatment...The combination of psychotherapy and ketamine offers promise for the treatment of psychiatric disorders"

Ketamine and psychotherapy for the treatment of psychiatric disorders: systematic review - PMC
Ketamine is an effective short-term treatment for a range of psychiatric disorders. A key question is whether the addition of psychotherapy to ketamine treatment improves outcomes or delays relapse. To identify all studies combining psychotherapy…

(2023): "the addition of psychotherapy to ketamine treatment for psychiatric disorders is associated with largely positive outcomes and appears to offer promise.