Parameters

1

Drug product

2

API combination

3

Cladribine

absorption

ka = 0.014 h−1

ka = 1.5 h−1

t1/2a = 49.5 h

t1/2a = 0.46 h

Сmax = 6.0 mcg/ml

Сmax = 19.0 mcg/ml

C0 = 276.4 mcg/ml

C0 = 3.2 mcg/ml

Distribution and accumulation

Vd = 0.54 l/kg

Vd = 46.7 l/kg

Vss = 9.93 l/kg

Vss = 7.8 l/kg

AUC = 30.7 mcg·h/ml

AUC = 43.9 mcg·h/ml

elimination

ke = 1.11 h−1

ke = 0.63 h−1

t1/2e = 0.62 h

t1/2e = 1.11 h

Cl = 4.89 ml/h

Cl = 3.42 ml/h

MRT = 2.03 h

MRT = 2.3 h

bioavailability of Cladribine (f) in the claimed drug product composition, 70%

Ribavirin

absorption

ka = 0.972 h−1

ka = 8.99 h−1

t1/2a = 0.713 h

t1/2a = 0.077 h

Сmax = 75.5 mcg/ml

Сmax = 209.8 mcg/ml

C0 = 115.6 mcg/ml

C0 = 172.37 mcg/ml

Distribution and accumulation

Vd = 1.298 l/kg

Vd = 0.870 l/kg

Vss = 1.635 l/kg

Vss = 1.138 l/kg

AUC = 504.24 mcg·h/ml

AUC = 1275.13 mcg·h/ml

elimination

ke = 0.213 h−1

ke = 0.105 h−1

t1/2e = 3.25 h

t1/2e = 6.6 h

Cl = 0.300 ml/h

Cl = 0.118 ml/h

MRT = 5.45 h

MRT = 9.64 h

bioavailability of Ribavirin (f) in the claimed drug product composition, 40%