2002
DOI: 10.1590/s1516-93322002000200003
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Avaliação in vitro da lioequivalência de formulações farmacêuticas

Abstract: A avaliação e a comparação da liberação dos fármacos a partir das formas farmacêuticas têm preocupado a indústria farmacêutica INTRODUÇÃOA avaliação e a comparação da liberação dos fármacos a partir das formas farmacêuticas têm preocupado a indústria farmacêutica e as autoridades de registro. Sempre que se produz ou desenvolve uma forma farmacêutica sólida, é necessário garantir que os fármacos sejam liberados de modo adequado. Utilizam-se, hoje em dia, diversos métodos para ajudar a decidir se diferentes form… Show more

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Cited by 38 publications
(36 citation statements)
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“…A comparison was established between the Bio-Dis dissolution profiles of FM3/FM5 and FM4/FM6 by the application of the Weibull equation, with the determination of b (shape parameter) and T d (the time required for 63.2% of the drug present in the dosage form to get dissolved) (15)(16)(17). Besides, the two-sample paired t test was used to compare couples of mean T d values.…”
Section: Statistical/mathematical Treatment Of Resultsmentioning
confidence: 99%
“…A comparison was established between the Bio-Dis dissolution profiles of FM3/FM5 and FM4/FM6 by the application of the Weibull equation, with the determination of b (shape parameter) and T d (the time required for 63.2% of the drug present in the dosage form to get dissolved) (15)(16)(17). Besides, the two-sample paired t test was used to compare couples of mean T d values.…”
Section: Statistical/mathematical Treatment Of Resultsmentioning
confidence: 99%
“…Three different mathematical models were tested for fitting the MT release data: the first order model [43,44], the Korsmeyer-Peppas equation [45,46] and the Weibull model [47].…”
Section: Determination Of 17α-methyltestosterone Release Kinetics In mentioning
confidence: 99%
“…To evaluate lodenafil carbonate release kinetics, a modeldependent approach using zero-order, first-order and Hixson-Crowell mathematical equations were applied (Table 1) [20][21][22][23][24] . The mathematical model that best expressed the dissolution profile of lodenafil carbonate tablets was selected based on Pearson's coefficient of correlation (r) 21,23,24 .…”
Section: Evaluation Of Release Kineticsmentioning
confidence: 99%
“…The correlation coefficient (r) and MSC were determined for all formulations (Table 4). According to these results, the in vitro drug release was best explained by the first-order model (r ¼ 0.9918), where the amount released versus time is dependent of the amount of drug remaining in the formulation [20][21][22][23][24] .…”
Section: Kinetics Of Drug Releasementioning
confidence: 99%