After data analysis, different aspects of hemodialysis use were demonstrated, with an increase in amount of procedures and, also, in disease related expenses.
Two different finasteride (CAS 98319-26-7) tablet formulations were evaluated for their relative bioavailability (Flaxin tablets 5 mg, as the test formulation vs reference formulation, tablets 5 mg) in 23 healthy male volunteers who received a single 5 mg oral dose of each preparation. The study was open, randomized with a two-period crossover design and a 7-day washout period. Plasma samples were obtained over a 48-h interval. The finasteride concentrations were determined by high-pressure liquid chromatography (HPLC) coupled to tandem mass spectrometry (LC-MS-MS). The analytical method developed has a limit of quantitation (LOQ) of 0.50 ng/ml in plasma. For the quality control the measured concentration was 2.05 +/- 0.14 ng/ml (mean +/- SD, n = 30) with a precision of 6.9% and an accuracy of 2.55% at a concentration of the starting solution of 2.00 ng/ml, while with 20.00 ng/ml starting solution the measured concentrations were 20 +/- 0.80 ng/ml (n = 30) with a precision of 3.81% and an accuracy of 0.09%. From the plasma finasteride concentration vs time curves the following pharmacokinetics parameters were obtained: AUC0-48, AUC0-infinity, Cmax, Cmax/AUC0-48, Ke, elimination half-life and tmax. Geometric mean test/reference formulations individual percent ratio was 95.71 for AUC0-48 h and 88.70% for Cmax. The 90% confidence interval for the geometric mean of the individual ratio test/reference formulations was 95.70-120.20% for AUC0-48 h, 94.60-121.30 for AUC0-infinity and 88.70-108% for Cmax. Since for both Cmax or AUC the 90% Cl values are within the interval proposed by the Food and Drug Administration, the test formulation is bioequivalent to the reference formulation for both the rate and extent of absorption after single dose administration.
O consumo de drogas entre adolescentes tem crescido de maneira alarmante, o que pode contribuir para o atraso educacional, além de aumentar a criminalidade. O objetivo deste estudo foi avaliar o padrão de consumo de drogas entre estudantes de escola da rede particular de ensino da cidade de São Paulo. Para tanto, foram feitas pesquisas descritiva e observacional e aplicado um questionário anônimo coletivamente em sala de aula. Do total de participantes, 46,2% eram do sexo masculino e 53,8% do sexo feminino, com idades de 15 a 21 anos. O maior índice de consumo foi observado para o álcool (78,8%) e o tabaco (65,8%). Das drogas de abuso, as mais usadas foram os solventes (32,2%) e a maconha (30,5%).
According to cost-effectiveness threshold recommended by the World Health Organization for 2013, the treatment of SHPT in patients on dialysis with paricalcitol is cost-effective when compared to calcitriol, from the public healthcare system perspective, in Brazil.
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