Influence of 5‐aminosalicylic acid on 6‐thioguanosine phosphate metabolite levels: a prospective study in patients under steady thiopurine therapy von de Graaf, P, de Boer, NKH, Wong, DR, Karner, S, Jharap, B, Hooymans, PM, Veldkamp, AI, Mulder, CJJ, van Bodegraven, AA, Schwab, M

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Limited stability of thiopurine metabolites in blood samples: Relevant in research and clinical practise von de Graaf, P., Vos, R.M., de Boer, N.H.K., Sinjewel, A., Jharap, B., Mulder, C.J.J., van Bodegraven, A.A., Veldkamp, A.I.

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High exposure to nevirapine in plasma is associated with an improved virological response in HIV-1-infected individuals von VELDKAMP, Agnes I, WEVERLING, Gerrit J, LANGE, Joep M. A, MONTANER, Julio S. G, REISS, Peter, COOPER, David A, VELLA, Stefano, HALL, David, BEIJNEN, Jos H, HOETELMANS, Richard M. W

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The steady-state plasma pharmacokinetics of indinavir alone and in combination with a low dose of ritonavir in twice daily dosing regimens in HIV-1-infected individuals von VAN HEESWIJK, R. P. G, VELDKAMP, A. I, HOETELMANS, R. M. W, MULDER, J. W, SCHREIJ, G, HSU, A, LANGE, J. M. A, BEIJNEN, J. H, MEENHORST, P. L

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The steady-state pharmacokinetics of nevirapine during once daily and twice daily dosing in HIV-1-infected individuals von van Heeswijk, R P, Veldkamp, A I, Mulder, J W, Meenhorst, P L, Wit, F W, Lange, J M, Danner, S A, Foudraine, N A, Kwakkelstein, M O, Reiss, P, Beijnen, J H, Hoetelmans, R M

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The Steady-State Pharmacokinetics of Efavirenz and Nevirapine When Used in Combination in Human Immunodeficiency Virus Type 1–Infected Persons von Veldkamp, Agnes I., Harris, Marianne, Montaner, Julio S. G., Moyle, Graeme, Gazzard, Brian, Youle, Mike, Johnson, Margaret, Kwakkelstein, Marthin O., Carlier, Hilde, van Leeuwen, Remko, Beijnen, Jos H., Lange, Joep M. A., Reiss, Peter, Hoetelmans, Richard M. W.

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Ritonavir Enables Combined Therapy with Rifampin and Saquinavir von Veldkamp, A. I., Hoetelmans, R. M. W., Beijnen, J. H., Mulder, J. W., Meenhorst, P. L.

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Steady-State Pharmacokinetics of Twice-Daily Dosing of Saquinavir Plus Ritonavir in HIV-1-Infected Individuals von Veldkamp, Agnes I, van Heeswijk, Rolf P. G, Mulder, Jan W, Meenhorst, Pieter L, Schreij, Gerrit, van der Geest, Siebe, Lange, Joep M. A, Beijnen, Jos H, Hoetelmans, Richard M. W

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Once-daily dosing of saquinavir and low-dose ritonavir in HIV-1-infected individuals : a pharmacokinetic pilot study von VAN HEESWIJK, R. P. G, VELDKAMP, A. I, MULDER, J. W, MEENHORST, P. L, LANGE, J. M. A, BEIJNEN, J. H, HOETELMANS, R. M. W

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Limited sampling strategies for the estimation of the systemic exposure to the HIV-1 nonnucleoside reverse transcriptase inhibitor nevirapine von VELDKAMP, Agnes I, VAN HEESWIJK, Rolf P. G, MULDER, Jan W, MEENHORST, Pieter L, HOETELMANS, Richard M. W, LANGE, Joep M. A, BEIJNEN, Jos H

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Saliva as an alternative body fluid for therapeutic drug monitoring of the nonnucleoside reverse transcription inhibitor nevirapine von VAN HEESWIJK, Rolf P. G, VELDKAMP, Agnes I, MULDER, Jan-Willem, MEENHORST, Pieter L, BEIJNEN, Jos H, LANGE, Joep M. A, HOETELMANS, Richard M. W

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HEPATOTOXICITY FOLLOWING NEVIRAPINE-CONTAINING REGIMENS IN HIV-1-INFECTED INDIVIDUALS von DE MAAT, MONIQUE M.R., MATHÔT, RON A.A., VELDKAMP, AGNES I., HUITEMA, ALWIN D.R., MULDER, JAN W., MEENHORST, PIETER L., VAN GORP, ERIC C.M., CARLIER, HILDE, BEIJNEN, JOS H.

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HAART, or Just Mini-HAART? von Veldkamp, Agnes I, Meenhorst, Pieter L, Mulder, Jan W, Beijnen, Jos H

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Itraconazole as an alternative for ritonavir liquid formulation when combined with saquinavir von KOKS, C. H. W, VAN HEESWIJK, R. P. G, VELDKAMP, A. I, MEENHORST, P. L, MULDER, J.-W, VAN DER MEER, J. T. M, BEIJNEN, J. H, HOETELMANS, R. M. W

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The steady-state pharmacokinetics of saquinavir (SQV-SGC, Fortovase super(TM)) 1000 mg bid in combination with ritonavir (RIT) 100 mg bid in HIV-1-infected individuals after a norm... von Veldkamp, AI, Van Heeswijk, RPG, Mulder, J W, Meenhorst, P L, Schreij, G, Van Der Geest, S, Beijnen, J H, Lange, JMA, Hoetelmans, RMW

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Combination of Protease Inhibitors for the Treatment of HIV-1-Infected Patients: A Review of Pharmacokinetics and Clinical Experience von van Heeswijk, RPG, Veldkamp, AI, Mulder, JW, Meenhorst, PL, Lange, JMA, Beijnen, JH, Hoetelmans, RMW

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Nevirapine Plus Didanosine: Once or Twice Daily Combination? von van Heeswijk, Rolf P.G., Veldkamp, Agnes I., Mulder, Jan W., Meenhorst, Pieter L., Wit, Ferdinand W. N.M., Reiss, Peter, Lange, Joep M.A., Kwakkelstein, Marthin O., Beijnen, Jos H., Hoetelmans, Richard M.W.

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Quantitative determination of efavirenz (DMP 266), a novel non-nucleoside reverse transcriptase inhibitor, in human plasma using isocratic reversed-phase high-performance liquid ch... von Veldkamp, Agnes I, van Heeswijk, Rolf P.G, Meenhorst, Pieter L, Mulder, Jan W, Lange, Joep M.A, Beijnen, Jos H, Hoetelmans, Richard M.W

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Quantitative determination of abacavir (1592U89), a novel nucleoside reverse transcriptase inhibitor, in human plasma using isocratic reversed-phase high-performance liquid chromat... von Veldkamp, Agnes I, Sparidans, Rolf W, Hoetelmans, Richard M.W, Beijnen, Jos H

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Rapid quantification of delavirdine, a novel non-nucleoside reverse transcriptase inhibitor, in human plasma using isocratic reversed-phase high-performance liquid chromatography w... von Veldkamp, Agnes I., van Heeswijk, Rolf P.G., Hoetelmans, Richard M.W., Meenhorst, Pieter L., Mulder, Jan W., Lange, Joep M.A., Beijnen, Jos H.

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