CLR formulations
Parameters Clarithromycin (test) Klaricid (reference)
1×500 mg Tablet    
Cmax, ng/ml 2886.67 (550.21) 3206.25 (489.39)
Tmax, h 3.08 (1.00) 2.75 (1.27)
t1/2, h 6.08 (1.51) 6.57 (1.74)
t1/2α, h 1.48 (0.91) 1.11 (0.71)
K, h-1 0.13 (0.07) 0.11 (0.03)
Ka, h-1 0.61 (0.30) 0.85 (0.49)
Vd, L 0.53 (0.21) 0.63 (0.31)
Cl, L/h 0.06 (0.02) 0.06 (0.02)
MRT, h 9.68 (1.57) 10.31 (2.01)
AUC0-t,ng/ml/h 26950.77 (8752.44) 28892.90 (6011.71)
AUC0-∞,ng/ml/h 29364.01 (9637.34) 32018.86 (7859.30)
AUMC0-∞,ng/ml 292368.63 (117726.66) 338464.50 (135732.49)
2×250 mg Tablet    
Cmax, ng/ml 2825.00 (649.70) 2491.25 (495.04)
Tmax, h 2.54 (0.66) 2.67 (0.58)
t1/2, h 7.17 (1.28) 7.61 (1.29)
t1/2α, h 1.94 (1.16) 2.26 (1.10)
K, h-1 0.10 (0.02) 0.09 (0.01)
Ka, h-1 0.52 (0.32) 0.42 (0.28)
Vd, L 0.53 (0.11) 0.57 (0.14)
Cl, L/h 0.05(0.01) 0.05 (0.01)
MRT, h 10.96 (1.40) 11.80 (1.65)
AUC0-t,ng/ml/h 23479.73 (5185.31) 23072.22 (5062.69)
AUC0-∞,ng/ml/h 26144.41 (5294.93) 26301.34 (5670.49)
AUMC0-∞,ng/ml 282799.95 (53362.86) 311297.68 (85460.60)
500 mg Suspension    
Cmax, ng/ml 3152.92 (523.90) 3138.42 (691.61)
Tmax, h 2.54 (0.81) 2.17 (0.58)
t1/2, h 7.92 (2.03) 8.75 (2.61)
t1/2α, h 1.52 (0.86) 0.93 (0.40)
K, h-1 0.09 (0.02) 0.08 (0.02)
Ka, h-1 0.57 (0.30) 0.90 (0.46)
Vd, L 0.84 (0.52) 0.96 (0.65)
Cl, L/h 0.07 (0.02) 0.07 (0.03)
MRT, h 11.97 (3.32) 12.61 (3.75)
AUC0-t,ng/ml/h 29494.56 (7253.05) 28735.19 (7765.30)
AUC0-∞,ng/ml/h 34883.18 (12014.64 ) 34749.15 (12727.01)
AUMC0-∞,ng/ml 445350.95 (288747.70) 478120.61 (327080.66)
Table 1: Pharmacokinetic parameters of 3 oral formulations of Clarithromycin after a 500 mg single dose (tablets 250,500 mg and 125 mg/ 5ml of suspension). Values are mean ± (SD).
Goto home»