LC-MS determination and bioavailability study of imidapril hydrochloride after the oral administration of imidapril tablets in human volunteers

2005 ◽  
Vol 28 (4) ◽  
pp. 463-468 ◽  
Author(s):  
Ji Hye Yun ◽  
Ja Hye Myung ◽  
Hye Jin Kim ◽  
Sibeum Lee ◽  
Jong-Sei Park ◽  
...  
1983 ◽  
Vol 15 (2-3) ◽  
pp. 123-129 ◽  
Author(s):  
Pietro Ghezzi ◽  
Silvio Garattini ◽  
Silvio Caccia ◽  
Mario Salmona ◽  
Maria Grazia Zanini

1996 ◽  
Vol 48 (9) ◽  
pp. 902-905 ◽  
Author(s):  
Shuichi Takeda ◽  
Kazuhisa Ishihara ◽  
Yoko Wakui ◽  
Sakae Amagaya ◽  
Masao Maruno ◽  
...  

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Giovanna Petrangolini ◽  
Fabrizio Corti ◽  
Massimo Ronchi ◽  
Lolita Arnoldi ◽  
Pietro Allegrini ◽  
...  

Objective. To evaluate in vitro solubility, bioaccessibility, and cytotoxic profile, together with a pharmacokinetic profile by oral administration to healthy volunteers of a novel food-grade berberine formulation (BBR-PP, i.e., berberine Phytosome®). Results. An in vitro increase of solubility in simulated gastric and intestinal fluids and an improved bioaccessibility at intestinal level along with a lower cytotoxicity with respect to berberine were observed with BBR-PP. The pharmacokinetic profile of the oral administration to healthy volunteers confirmed that berberine Phytosome® significantly ameliorated berberine absorption, in comparison to unformulated berberine, without any observed side effects. The berberine plasma concentrations observed with both doses of BBR-PP were significantly higher than those seen after unformulated berberine administration, starting from 45 min (free berberine) and 30 min (total berberine). Furthermore, BBR-PP improved berberine bioavailability (AUC) was significantly higher, around 10 times on molar basis and with observed dose linearity, compared to the unformulated berberine. Conclusion. These findings open new perspectives on the use of this healthy berberine formulation in metabolic discomforts.


1982 ◽  
Vol 16 (9) ◽  
pp. 693-695 ◽  
Author(s):  
Gary H. Smith ◽  
René H. Levy

A comparison of two analytical methods of quinidine plasma determination—the modified extraction fluorometric method and the mass spectrometric method—was made. Plasma supplies collected at steady state from normal human volunteers participating in a bioavailability study were analyzed, using both methods. A total of 359 samples were analyzed. Comparison of both sets of values, by linear regression, yielded an r2 value of 0.84. The results of this comparison were consistent with the results reported by others, confirming that the commonly used extraction fluorometric method of quinidine determination is sufficiently accurate for monitoring quinidine plasma concentrations in the patient care setting, as well as for bioavailability comparisons between products.


2012 ◽  
Vol 8 (4S_Part_20) ◽  
pp. S743-S743 ◽  
Author(s):  
Bruce Albala ◽  
June M. Kaplow ◽  
Robert Lai ◽  
Mark Matijevic ◽  
Jagadeesh Aluri ◽  
...  

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