E-viri
Recenzirano
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Etienne, M C; Milano, G; René, N; Benedetti, M S; Efthymiopoulos, C; Vo Van, M L; Hurteloup, P; Montcuquet, P; Frenay, M; Namer, M
Journal of pharmaceutical sciences, December 1991, Letnik: 80, Številka: 12Journal Article
Medroxyprogesterone acetate (MPA) is widely used in the hormonal therapy of breast cancer. So far, oral formulations of MPA commercially available present a very low bioavailability, with a less than 10% extent of oral absorption. A new oral preparation of MPA has been recently developed. Based on a pilot study, an open, randomized, crossover trial has been performed on 22 breast and endometrial cancer patients to evaluate the relative bioavailability of this new oral formulation (200-mg sachet, twice daily) as compared with a standard formulation (Farlutal, 500-mg tablet, twice daily). The bioavailability evaluation was mainly based on the area under the curve measured between two administrations at steady state, after 15 days of continuous therapy. Wide interpatient variability of MPA plasma levels after oral MPA administration was confirmed. The MPA plasma levels were higher in patients treated with the new formulation than in patients treated with Farlutal. The relative bioavailability of the new preparation was 3.5 times higher than that of the standard. This new formulation represents a great improvement in the extent of oral absorption of MPA and could lead to better management of hormone-responsive tumors by hormonal therapy.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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