Fig. 1. Study design. (A) All subjects randomly received a capsule containing placebo or 18 mg of hydrochloride quinine in a randomized, double blind, cross-over design. (B) The ad libitum test started 60 minutes after capsule administration. Blood samples were taken to assay ghrelin and cholecystokinin at T₀, T₆₀, and T₉₀. Gastrointestinal sensation assessment was performed at T₀, T₆₀, and at the end of ad libitum test (T_end). GI, gastrointestinal; HCl, hydrochloride; PTC, phenylthiocarbamide.

J Neurogastroenterol Motil 2015;21:511~519 https://doi.org/10.5056/jnm15028

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