Abstract：
:Armodafinil, the longer lasting R-isomer of racemic modafinil, improves wakefulness in patients with excessive sleepiness associated with shift work disorder (SWD). Pharmacokinetic studies suggest that armodafinil achieves higher plasma concentrations than modafinil late in a dose interval following equal oral doses. Pooled Multiple Sleep Latency Test (MSLT) data from 2 randomized, double-blind, placebo-controlled trials in 463 patients with SWD, 1 with armodafinil 150 mg/d and 1 with modafinil 200 mg/d (both administered around 2200 h before night shifts), were used to build a pharmacokinetic/pharmacodynamic model. Predicted plasma drug concentrations were obtained by developing and applying a population pharmacokinetic model using nonlinear mixed-effects modeling. Armodafinil 200 mg produced a plasma concentration above the EC(50) (4.6 µg/mL) for 9 hours, whereas modafinil 200 mg did not exceed the EC(50). Consequently, armodafinil produced greater increases in predicted placebo-subtracted MSLT times of 0.5-1 minute (up to 10 hours after dosing) compared with modafinil. On a milligram-to-milligram basis, armodafinil 200 mg consistently increased wakefulness more than modafinil 200 mg, including times late in the 8-hour shift.
journal_name
J Clin Pharmacoljournal_title
Journal of clinical pharmacologyauthors
Darwish M,Bond M,Ezzet Fdoi
10.1177/0091270011417825subject
Has Abstractpub_date
2012-09-01 00:00:00pages
1328-42issue
9eissn
0091-2700issn
1552-4604pii
0091270011417825journal_volume
52pub_type
杂志文章,随机对照试验abstract：:The pharmacokinetics, pharmacodynamics, and safety of fosinopril sodium (SQ 28,555), a new orally active angiotensin-converting enzyme (ACE) inhibitor, was evaluated in 73 healthy men in two separate studies. In study I, doses ranging from 10 to 640 mg were administered once daily for 3 days to seven groups of five su...
journal_title：Journal of clinical pharmacology
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journal_title：Journal of clinical pharmacology
pub_type： 临床试验,杂志文章,随机对照试验
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journal_title：Journal of clinical pharmacology
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journal_title：Journal of clinical pharmacology
pub_type： 临床试验,杂志文章
doi：10.1002/j.1552-4604.1982.tb02653.x
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pub_type： 临床试验,杂志文章,多中心研究
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journal_title：Journal of clinical pharmacology
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abstract：:This study investigated the steady-state pharmacokinetic interaction between the HIV protease inhibitor, darunavir (TMC114), administered with low-dose ritonavir (darunavir/ritonavir), and clarithromycin in HIV-negative healthy volunteers. In a 3-way crossover study, 18 individuals received darunavir/ritonavir 400/100...
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abstract：:To explore the clinical relevance of inhibition of multidrug resistance transporter 1 and organic anion transporting polypeptide transporter, a drug-drug interaction study was conducted using aliskiren and cyclosporine. This was an open-label, single-sequence, parallel-group, single-dose study in healthy subjects. Sub...
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abstract：:The influence of food on the bioavailability of trimoprostil , a new antiulcer prostaglandin E2 derivative, was investigated in healthy male volunteers in four separate studies. Doses of 0.75, 1.5, and 3.0 mg were administered orally in both the presence and absence of food followed by serial blood sampling through 24...
journal_title：Journal of clinical pharmacology
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abstract：:This article describes the population pharmacokinetics (PK) of dalteparin in pediatric patients with venous thromboembolism (VTE). A prospective multicenter open-label study was conducted in children who required anticoagulation for the treatment of VTE. The study population included children with and without cancer. ...
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journal_title：Journal of clinical pharmacology
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abstract：:Supine office blood pressures (SOBP) and 24-hour automated ambulatory blood pressure monitorings (AABPM) showed blood pressure reductions from a stable baseline to active treatment with 120-, 240-, and 480-mg doses of a new verapamil QD capsule (solid-spheroidal-oral once-daily drug-absorption system: (SODAS) in patie...
journal_title：Journal of clinical pharmacology
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1002/j.1552-4604.1991.tb03698.x
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