Ishizaki T, Eichelbaum M, Horai Y, Hashimoto K, Chiba K, Dengler H J
Br J Clin Pharmacol. 1987 Apr;23(4):482-5. doi: 10.1111/j.1365-2125.1987.tb03080.x.
The metabolism of sparteine which exhibits a genetic polymorphism in Caucasians was studied in 84 unrelated Japanese subjects. In contrast to a recent study where debrisoquine was used as a probe and no poor metabolizers could be observed in Japanese involving 100 subjects, two subjects had a urinary metabolic ratio of sparteine greater than 20 and thus were poor metabolizers of sparteine. The incidence of poor metabolizer phenotype of sparteine oxidation of 2% seems to be lower in Japanese as compared with various Caucasian populations where 5 to 10% are poor metabolizers of sparteine. However, this is not conclusive, because the 95% confidence interval of the observed frequency, 0.6 to 8%, covers the range reported in the literature for Caucasians.
在84名无亲缘关系的日本受试者中研究了在白种人中表现出遗传多态性的司巴丁代谢情况。与最近一项使用异喹胍作为探针的研究不同，在涉及100名受试者的日本人群中未观察到慢代谢者，但本研究中有两名受试者的司巴丁尿代谢率大于20，因此是司巴丁的慢代谢者。司巴丁氧化慢代谢者表型的发生率在日本人中为2%，与各种白种人群相比似乎较低，在白种人群中5%至10%是司巴丁的慢代谢者。然而，这并不具有决定性，因为观察到的频率的95%置信区间为0.6%至8%，涵盖了文献中报道的白种人的范围。
