Hiltrud Fieger

Enantioselective disposition of hydroxychloroquine after a single oral dose of the racemate to healthy subjects [see comments]

Julie Ducharme, Hiltrud Fieger, M. Ducharme et al. · British Journal of Clinical Pharmacology · 1995 · 39 citations

Direct determination of the enantiomeric ratio of verapamil, its major metabolite norverapamil and gallopamil in plasma by chiral high-performance liquid chromatography

Hiltrud Fieger, Gottfried Blaschke · Journal of Chromatography B Biomedical Sciences and Applications · 1992 · 33 citations

Major Metabolite Norverapamil, Biochemistry, Direct Determination +8

Determination of the stereoisomers of hydroxychloroquine and its major metabolites in plasma and urine following a single oral administration of racemic hydroxychloroquine

Joanna Iredale, Hiltrud Fieger, Irving W. Wainer · Seminars in Arthritis and Rheumatism · 1993 · 27 citations

Medicine, Bioanalysis, Herb-drug Interaction +8

Direct analysis of the enantiomers of mexiletine and its metabolites in plasma and urine using an HPLC—CSP

Hiltrud Fieger, Irving W. Wainer · Journal of Pharmaceutical and Biomedical Analysis · 1993 · 21 citations

Therapeutic Drug Monitoring, Allergy, Medicine +7

Enantioselective determination of hydroxychloroquine and its major metabolites in urine and the observation of a reversal in the (+)/(−)‐hydroxychloroquine ratio

Hiltrud Fieger, Joanna Iredale, Irving W. Wainer · Chirality · 1993 · 21 citations