散剤の混合度に及ぼす混和条件の定量的解析(2) : 変動要因としての混和方法の習熟度

概要

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In the present study, we investigated the effect of inter-individual variation and dispensing experience as a factor of variation when mixing digoxin powders. Sixteen of the post-graduate trainees (non-experienced group) who entered the Department of Pharmacy, University of Tokyo Hospital in April 1996, and had no dispensing experience with powders, and six pharmacists (experienced group), who had individually amassed 3 to 5 -years of dispensing experience, participated in our study. The mean CV values (n = 3) of the digoxin contents in the experienced group were 2.7% on the first experiment, 2.7% on the second and 2. 5% on the third. Eight of the non-experienced group members produced a CV of less than 6.08% in all experiments. However, the CV values generated by the other eight members of the non-experienced group exceeded the standards of good mixing, and in addition, wide variations were observed. The eight above described trainees had received 3 weeks of training, and, when the mixing experiments were performed again, the registered CV values were less than 6.08% in all experiments. These results showed that, even in the case of digoxin powders requiring a high degree of mixing, good mixing was obtained under our proposed mixing conditions in half of the trainees with no dispensing experience, and in addition, good mixing was generally obtained after all had received 3 weeks of training.
日本医療薬学会の論文
2001-10-10