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Masri, M.A. et al.

Masri, Haberal, Rizvi, Stephan, Bilgin, Naqvi, Barbari, Kamel, Zafar, Emiroğlu, Colak, Manzoor, Matha, Kamarad, Rizk, Itany, Shehedeh,

The pharmacokinetics of equoral versus neoral in stable renal transplant patients: a multinational multicenter study.

We studied the pharmacokinetics (PKs) of the new generic cyclosporine formulation, Equoral capsules, after the switch from original formulation Neoral capsules in stable renal transplant patients. The study was carried out in accordance with the basic principles defined in the US 21 CFR Part 312.20 and the principles of the Declaration of Helsinki. The study included clinically stable first renal transplant patients maintained on cyclosporine with no rejection episode during the past 6 months. Hematology, biochemistry, and urine chemistry were determined on day 7, and day 21. The patients were all switched to Neoral (lot number 416MFD0601) on day 0 when the first sparse sampling PK was performed. On day 14 a 12-hour PK profile included predose, 30 minutes; 1 hour; 1 hour 30 minutes; 2 hours; 3 hours; 4 hours; 5 hours; 6 hours; 8 hours; 10-hours and 12-hour samples. Cyclosporine levels were determined using a CYA kit (Abbott TDx). On day 15 the patients were switched from Neoral capsules to Equoral capsules (lot 5T111014) at an equivalent dosage (mg/mg). The second sparse sampling PK was performed on day 21 and a 12-hour PK was performed on day 28. On the morning of day 29 patients were switched from Equoral capsules to Neoral capsules at an equivalent dosage (mg/mg). Additional concentrations were measured on days -7, 18, and 35. Safety parameters were monitored at each visit. The pharmacokinetics of both formulations were equivalent. The mean AUC for Neoral and Equoral was 2856 and 2892, respectively. The ratios of LSM and the 90% confidence intervals for the in-transformed parameters (AUC o-t, AUC inf, and Cmax) of Equoral and Neoral SGC were 98% and 95%, respectively, suggesting that Equoral and Neoral SGC are bioequivalent.[1]

References

The pharmacokinetics of equoral versus neoral in stable renal transplant patients: a multinational multicenter study. Masri, M.A., Haberal, M., Rizvi, A., Stephan, A., Bilgin, N., Naqvi, A., Barbari, A., Kamel, G., Zafar, N., Emiroğlu, R., Colak, T., Manzoor, K., Matha, V., Kamarad, V., Rizk, S., Itany, A.R., Shehedeh, I. Transplant. Proc. (2004) [Pubmed]

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