Research Article

Effect of Short-Course Oral Ciprofloxacin on Isoflavone Pharmacokinetics following Soy Milk Ingestion in Healthy Postmenopausal Women

Table 6

Pharmacokinetic parameters of genistein obtained from 11 subjects receiving a single oral administration of soy milk (SOY Phase) and a short-course oral ciprofloxacin followed by a single oral administration of soy milk (CIPRO/SOY phase).

Pharmacokinetic parametersGenistein
SOY phaseCIPRO/SOY phase
Mean±SDMedian (IQR)Mean±SDMedian (IQR)

(ng/mL)826.64±462.97731.95 (521.01)434.75±276.2306.17 (214.37
(h)6.00±1.556.00 (0.00)3.27±2.22.00 (2.00
(ng.h/mL)9583.48±6482.038911.53 (7711.23)4956.98±4263.73834.93 (4106.07
(ng.h/mL)10540.60±7024.659284.07 (7789.07)5791.53±4567.84366.76 (3976.55
t1/2 (h)7.40±1.207.26 (1.57)7.54±1.697.16 (1.69)

Data represent mean±SD and median (interquartile range, IQR). <0.05 versus SOY phase using a paired t-test. <0.05 versus SOY phase using Wilcoxon’s signed-rank test.