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Lopinavir

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Lopinavir, better known as Kaletra, (2q5k)

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Pharmacokinetics

HIV Protease Inhibitor Pharmacokinetics
Parameter Ritonavir Tipranavir Indinavir Saquinavir Amprenavir Fosamprenavir Lopinavir Darunavir Atazanavir Nelfinavir
Tmax (hr) 4.4 ~3 1.5 3.7 .98 1.5-4 2 .5 2-4 3.1
Cmax (ng/ml) 13120 14600 8100 2297 4901 4820 11.9 2730 ~4393 4701
Bioavailability (%) -- -- 65 4 -- -- -- -- 68 20-80
Protein Binding (%) 99 >99 61 98 90 90 99 95 86 98
T1/2 (hr) 4.8 4.2 1.2 4.5 5.5 7.7 6.1 29.4 5.3 3.3
AUC (ng/ml/hr) 128100 46500 20900 13467 11999 35000 117600 4746 ~26045 31906
Clearance (L/h) ~8.4 32.4 49.5 36.7 56.8 84.4 1.7 32.8 13.6 37.3
Dosage (mg) 600 600 800 1000 600 1400 280 400 400 1250
Metabolism Hepatic (CYP3A4 & CYP2C19) Hepatic (CYP3A4) Hepatic (CYP3A4) Hepatic (CYP3A4 & CYP3A5) Hepatic (CYP3A4) Hepatic (CYP3A4) Hepatic (CYP3A4) Hepatic (CYP3A4) Hepatic (CYP3A4) Hepatic (CYP3A4)

For Pharmacokinetic Data References, See: References

References

  1. ↑ Spinelli S, Liu QZ, Alzari PM, Hirel PH, Poljak RJ. The three-dimensional structure of the aspartyl protease from the HIV-1 isolate BRU. Biochimie. 1991 Nov;73(11):1391-6. PMID:1799632
  2. ↑ Reddy GS, Ali A, Nalam MN, Anjum SG, Cao H, Nathans RS, Schiffer CA, Rana TM. Design and synthesis of HIV-1 protease inhibitors incorporating oxazolidinones as P2/P2' ligands in pseudosymmetric dipeptide isosteres. J Med Chem. 2007 Sep 6;50(18):4316-28. Epub 2007 Aug 16. PMID:17696512 doi:10.1021/jm070284z


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