Effects of psychosocial stress on opioid self-administration in healthy participants: a randomized, placebo-controlled crossover trial.

Eikemo, M., Løseth, G. E., Carlyle, M., Trøstheim, M. O., Ernst, G. W., Pazmandi, C., Thompson, M., Vezzani, C., Meier, I. M., Roland, M. N., Johnstone, T., Heilig, M., Biele, G., Leknes, S. G., (2026). Effects of psychosocial stress on opioid self-administration in healthy participants: a randomized, placebo-controlled crossover trial. Nature Mental Health. doi:10.1038/s44220-026-00700-x