The conduct of in vitro and in vivo drug‐drug interaction studies: a PhRMA perspective

TD Bjornsson, JT Callaghan, HJ Einolf… - The Journal of …, 2003 - Wiley Online Library
Current regulatory guidances do not address specific study designs for in vitro and in vivo
drug‐drug interaction studies. There is a common desire by regulatory authorities and by …

Use of serum creatinine concentrations to determine renal function1

TD Bjornsson - Clinical pharmacokinetics, 1979 - Springer
Serum creatinine concentrations are widely used clinically as an index of renal function. In
stable normal or reduced renal function they are determined by the rate of creatinine …

Methods for vascular access and collection of body fluids from the laboratory rat

DM Cocchetto, TD Bjornsson - Journal of pharmaceutical sciences, 1983 - Elsevier
When I first tried animal experimentation for the purpose of discovering the motion and
functions of the heart by actual inspection and not by other people's books, I found it so truly …

The conduct of in vitro and in vivo drug-drug interaction studies: a Pharmaceutical Research and Manufacturers of America (PhRMA) perspective

TD Bjornsson, JT Callaghan, HJ Einolf, V Fischer… - Drug metabolism and …, 2003 - ASPET
Current regulatory guidances do not address specific study designs for in vitro and in vivo
drug-drug interaction studies. There is a common desire by regulatory authorities and by …

Pharmacokinetics of losartan, an angiotensin II receptor antagonist, and its active metabolite EXP3174 in humans

…, H Lu, CI Furtek, TD Bjornsson - Clinical …, 1995 - Wiley Online Library
The pharmacokinetics of the angiotensin II receptor antagonist losartan potassium and its
active carboxylic acid metabolite EXP3174 were characterized in 18 healthy male subjects …

[PDF][PDF] Interpatient variability in bioavailability is related to the extent of absorption: implications for bioavailability and bioequivalence studies

ET Hellriegel, TD Bjornsson… - Clinical Pharmacology & …, 1996 - academia.edu
METHODS To address this issue, we decided to focus on publications reporting oral
bioavailability results in one clinical pharmacology journal, namely, Clinical Pharmacology & …

Aspirin acetylates fibrinogen and enhances fibrinolysis. Fibrinolytic effect is independent of changes in plasminogen activator levels.

TD Bjornsson, DE Schneider, H Berger - Journal of Pharmacology and …, 1989 - ASPET
In addition to its antiplatelet effect, aspirin has been reported to have fibrinolytic and
hypoprothrombinemic effects. The objective of this study was to investigate possible mechanisms …

A review and assessment of potential sources of ethnic differences in drug responsiveness

TD Bjornsson, JA Wagner, SR Donahue… - The Journal of …, 2003 - Wiley Online Library
The International Conference on Harmonization (ICH) E5 guidelines were developed to
provide a general framework for evaluating the potential impact of ethnic factors on the …

Heparin kinetics determined by three assay methods

TD Bjornsson, KM Wolfram… - Clinical Pharmacology & …, 1982 - Wiley Online Library
Heparin kinetics were determined in four normal subjects, each of whom received three
different doses (25, 50, and 75 units/kg body weight) by intravenous injection. Multiple blood …

Decreased rate of creatinine production in patients with hepatic disease: implications for estimation of creatinine clearance

…, C Tschanz, TD Bjornsson - Therapeutic drug …, 1983 - journals.lww.com
Serum creatinine concentration is commonly used in conjunction with individual patient
characteristics (eg, age, sex, and body weight) in order to estimate creatinine clearance. Such …