COMPARATIVE BIOAVAILABILITY OF RANITIDINE TABLETS IN HEALTHY VOLUNTEERS

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ABOU FAZELI R.; SHAFAATI A.R.

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Journal Paper

Paper Information

Journal: Iranian Journal of Pharmaceutical Research Year:2002 | Volume:1 | Issue:1 Page(s): 1-6

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Title

COMPARATIVE BIOAVAILABILITY OF RANITIDINE TABLETS IN HEALTHY VOLUNTEERS

Author(s)

ABOU FAZELI R. | SHAFAATI A.R. | Issue Writer Certificate

Keywords

RANITIDINE; ZANTACÂ ; COMPARATIVE BIOAVAILABILITY; BIOEQUIVALENT; PHARMACOKINETIC PARAMETERS; HPLC DETECTION.

Abstract

The pharmacokinetic parameters of domestic and imported ranitidine hydrochloride tablets (Ranitidine, formulated and manufactured by Kharazmi Pharmaceuticals, Iran, and Zantac Ò manufactured by Glaxo, UK) were measured in 14 healthy subjects following oral administration of a single 300-mg dose of each brand and compared for bioequivalence evaluation. The pharmaceutical equivalency of both formulations was shown by in vitro characterization and dissolution testing. The comparative bioavailability of the two products was then determined in a single-blind, single dose, randomized, cross-over study in 14 healthy volunteers. A sensitive, rapid and precise high performance liquid chromatography (HPLC) method was used to measure concentrations of ranitidine in plasma samples collected up to 12 hours following each dose. Pharmacokinetic parameters, including Cmax, Tmax, AUC0-t, AUC0-¥ , elimination rate constant (k) and half life were determined for both formulations. Analysis of the data revealed that the variations in all pharmacokinetic parameters were not statistically significant (p> 0.05), and the 90% confidence intervals for the test/reference mean ratios of the plasma pharmacokinetic variables lie within the conventional bioequivalence range of 80-125%. Therefore, both formulations were comparable based on the in vitro characterization and were bioequivalent in terms of Cmax and AUC. The two formulations were considered to be bioequivalent.

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APA: Copy

ABOU FAZELI, R., & SHAFAATI, A.R.. (2002). COMPARATIVE BIOAVAILABILITY OF RANITIDINE TABLETS IN HEALTHY VOLUNTEERS. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), 1(1), 1-6. SID. https://sid.ir/paper/286928/en

Vancouver: Copy

ABOU FAZELI R., SHAFAATI A.R.. COMPARATIVE BIOAVAILABILITY OF RANITIDINE TABLETS IN HEALTHY VOLUNTEERS. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR)[Internet]. 2002;1(1):1-6. Available from: https://sid.ir/paper/286928/en

IEEE: Copy

R. ABOU FAZELI, and A.R. SHAFAATI, “COMPARATIVE BIOAVAILABILITY OF RANITIDINE TABLETS IN HEALTHY VOLUNTEERS,” IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), vol. 1, no. 1, pp. 1–6, 2002, [Online]. Available: https://sid.ir/paper/286928/en

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