Egge A C, Rogol A D, Varma M M, Blizzard R M
J Clin Endocrinol Metab. 1977 Jan;44(1):210-3. doi: 10.1210/jcem-44-1-210.
TRH-stimulated prolactin release was determined in four male volunteers with and without pre-treatment with cyproheptadine. All showed a marked increase in the TRH-mediated prolactin rise and a marked decrease in the TRH-mediated TSH rise when receiving cyproheptadine pre-treatment.