From: Adjunctive ketamine vs. buprenorphine in co-occurring major depressive disorder and opioid use disorder: a randomized, double-blind clinical trial assessing anxiety symptom severity and craving intensity
HAM-A scores (mean ± SD)
Ketamine
Buprenorphine
Baseline
26.67 ± 8.711
24.77 ± 8.838
2 h later
11.97 ± 9.492
9.167 ± 8.762
24 h later
8.667 ± 8.180
6.467 ± 5.734
7 days later
6.533 ± 5.387
5.633 ± 6.419