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PubMed Journals Articles About "A Study Of Pharmacokinetics And Safety Of Alefacept In Caucasian And Japanese Healthy Volunteers" RSS

08:03 EDT 21st March 2019 | BioPortfolio

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Showing "Study Pharmacokinetics Safety Alefacept Caucasian Japanese Healthy Volunteers" PubMed Articles 1–25 of 66,000+

Ataluren Pharmacokinetics in Healthy Japanese and Caucasian Subjects.

To evaluate the potential for ethnicity-related differences in ataluren pharmacokinetics (PK) and safety, a phase 1 single-dose study was conducted in 48 healthy (24 Japanese and 24 Caucasian subjects), nonsmoking male volunteers who were equally divided into 3 cohorts of oral doses at 5, 10, and 20 mg/kg. Blood samples were collected until 48 hours postdose. PK results demonstrated rapid absorption of ataluren, with peak plasma levels (C ) being attained between 0.875 and 2.5 hours after dosing. The mea...


Pharmacokinetics and Safety of Single and Multiple Doses of Rasagiline in Healthy Japanese and Caucasian Subjects.

As of March 2018, rasagiline is approved for the treatment of Parkinson disease in 55 countries including Japan. The present study evaluated the pharmacokinetics (PK) and safety of rasagiline in healthy Japanese and Caucasian subjects following single and multiple administrations of three rasagiline doses. In this double-blind, placebo-controlled study, 64 healthy subjects (32 Japanese and 32 Caucasian) received either rasagiline (0.5, 1.0, or 2.0 mg) or placebo for 10 days with PK sampling for single dose ...

Safety and Pharmacokinetics of Standardized Extract of Centella asiatica (ECa 233) Capsules in Healthy Thai Volunteers: A Phase 1 Clinical Study.

The aim of this study was to investigate the safety and pharmacokinetic profiles of a newly developed, standardized extract of (ECa 233) capsule in healthy Thai volunteers. This study was designed as an open-labeled, 2-sequence dosage, single- and repeated-dose study investigated under fasting conditions. Plasma concentrations of the parent compounds and their relative acid metabolites were measured and pharmacokinetic parameters were calculated using noncompartmental analysis. Tolerability was assessed ba...


Study of pharmacokinetics and cutaneous photosensitization of Hemoporfin in healthy volunteers.

Hemoporfin is a porphyrin-based photosensitizer and has been used for photodynamic therapy of port wine stain birthmarks in China. This study assessed the pharmacokinetics and cutaneous photosensitization of Hemoporfin in healthy volunteers.

Single- and Multiple-dose Pharmacokinetics and Safety of Pimodivir, a Novel, Non-Nucleoside Polymerase Basic Protein 2 Subunit Inhibitor of the Influenza A Virus Polymerase Complex, and Interaction With Oseltamivir: A Phase 1 Open-Label Study in Healthy Volunteers.

Evaluate the drug-drug interaction between pimodivir, a novel, non-nucleoside polymerase basic protein 2 (PB2) subunit inhibitor of the influenza A virus polymerase complex, and oseltamivir, to assess the feasibility of this combination therapy. Furthermore, single- and multiple-dose pharmacokinetics and safety of pimodivir in healthy volunteers were assessed.

Pharmacokinetics and Pharmacodynamics of the BACE1 Inhibitor Verubecestat (MK-8931) in Healthy Japanese Adults: a Randomized, Placebo-Controlled Study.

BACE1 is required for the production of β-amyloid peptides and considered a potential treatment target for Alzheimer's disease (AD). To support Japan's participation in the global clinical development program, we characterized the safety, pharmacokinetics, and pharmacodynamics of the BACE1 inhibitor verubecestat (MK-8931) in 24 healthy Japanese adults in a 2-part, single-center, randomized, placebo-controlled phase I trial and compared the results with historic data from non-Japanese subjects. Both single ...

Effect of Fluconazole Coadministration and CYP2C9 Genetic Polymorphism on Siponimod Pharmacokinetics in Healthy Subjects.

The aim of this study was to assess the pharmacokinetics (PK) and safety/tolerability of siponimod in healthy subjects when coadministered with (1) the moderate cytochrome P450 (CYP) 2C9 and CYP3A inhibitor fluconazole (Study A), and (2) with three different CYP2C9 genotype variants (Study B).

NYX-2925, a Novel N-methyl-D-aspartate Receptor Modulator: A First-in-Human, Randomized, Double-blind Study of Safety and Pharmacokinetics in Adults.

NYX-2925, a new chemical entity, acts as a co-agonist to glutamate at the N-methyl-D-aspartate receptor (NMDAR). At low concentrations of endogenous agonists (glycine/D-serine), NYX-2925 partially activates NMDARs, modulating neural pathways relevant for chronic pain. NYX-2925 is being developed for the treatment of chronic pain conditions, including painful diabetic peripheral neuropathy and fibromyalgia. In this first-in-human, Phase 1, single- (50-1200 mg) and multiple-ascending dose (150-900 mg) study, ...

Pharmacokinetics and Pharmacodynamics of Voxelotor (GBT440) in Healthy Adults and Patients With Sickle Cell Disease.

Voxelotor (previously GBT440) is a hemoglobin (Hb) modulator that increases Hb-oxygen affinity, thereby reducing Hb polymerization and sickling of red blood cells (RBCs), being developed as a once-daily oral drug to treat sickle cell disease (SCD). This first-in-human study evaluated the safety, tolerability, pharmacokinetics, and pharmacodynamics of voxelotor in healthy volunteers and SCD patients.

Evaluation of the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of a Single Intravenous Dose of Miridesap in Healthy Japanese Subjects.

This phase 1 study characterized the safety, tolerability, pharmacokinetics, and pharmacodynamics of miridesap (GSK2315698) following an intravenous (IV) infusion in healthy Japanese men. Subjects in Cohort 1 received 1-hour IV infusions of 10, 20, and 40 mg of miridesap or placebo, and subjects in Cohort 2 received a 15-hour IV infusion of 20 mg/h of miridesap or placebo. No treatment-related adverse events were reported. No new safety signals were identified for either vital signs or clinical laboratory ...

Safety, tolerability, and pharmacokinetics of AL-335 in healthy volunteers and hepatitis C virus-infected subjects.

The nucleotide analog AL-335 is a pangenotypic hepatitis C virus (HCV) nonstructural protein (NS)5B inhibitor being evaluated as treatment for chronic HCV infection.

First-in-Human Studies for a Selective RET Tyrosine Kinase Inhibitor, GSK3179106, to Investigate the Safety, Tolerability, and Pharmacokinetics in Healthy Volunteers.

Rearranged during transfection (RET), a neuronal growth factor receptor tyrosine kinase, regulates the development of the sympathetic, parasympathetic, motor, and sensory neurons in the enteric nervous system. GSK3179106 is a RET kinase inhibitor that was administered in double-blind, randomized, placebo-controlled single-dose and repeat-dose studies in healthy subjects to investigate its pharmacokinetics and safety/tolerability. In the single-dose study (n = 16), GSK3179106 was dosed from 10 mg to 800 mg, ...

Physiologically-Based Pharmacokinetic Modelling to Predict Exposure Differences in Healthy Volunteers and Subjects with Renal Impairment: Ceftazidime Case Study.

Ceftazidime is a widely used β-lactam antibiotic and almost entirely excreted via glomerular filtration in kidney. The objective of this analysis was to assess the ability of physiologically-based pharmacokinetic (PBPK) model to predict ceftazidime exposure in healthy volunteers and subjects with renal impairment. A full PBPK model of ceftazidime was developed using physiochemical properties and clinical data. The total clearance of 115 mL/min and renal clearance of 100 mL/min were obtained from ceftazidim...

Impact of Insulin Tregopil and its Permeation Enhancer on Pharmacokinetics of Metformin in Healthy Volunteers: Randomized, Open-label, Placebo Controlled, Crossover Study.

Oral insulin tregopil (IN-105; new drug under development) may be co-administered with oral anti-diabetic drugs such as metformin in type 2 diabetes mellitus patients for optimal glycemic control. IN-105 has sodium caprate excipient, a permeation enhancer, for enhancing absorption in stomach and increasing bioavailability via oral route. Sodium caprate may increase bioavailability of metformin by a similar mechanism. Therefore, it was necessary to study effect of IN-105 on pharmacokinetics of metformin. In ...

Pharmacokinetics, Safety and Tolerability of Tylerdipine Hydrochloride, a Novel Dihydropyridine Dual L/T-type Calcium Channel Blocker, after Single and Multiple Oral Doses in Healthy Chinese Subjects.

Tylerdipine hydrochloride (KBP-5660) is a novel L/T-type dual calcium channel blocker developed for the treatment of hypertension. We aimed to study the pharmacokinetics, safety and tolerability of tylerdipine in healthy Chinese subjects.

Safety, Biodistribution, and Dosimetry of 123I-6-Deoxy-6-Iodo-D-Glucose, a Tracer of Glucose Transport, in Healthy and Diabetic Volunteers.

Insulin resistance is a key feature of the metabolic syndrome and type 2 diabetes, in which noninvasive assessment is not currently allowed by any methodology. We previously validated an iodinated tracer of glucose transport (6DIG) and a new methodology for the in vivo quantification of cardiac insulin resistance in rodents. The aim of this study was to investigate the safety, biodistribution, and radiation dosimetry of this method using I-6DIG in 5 healthy and 6 diabetic volunteers.

Phase 1 Single- and Multiple-Ascending-Dose Randomized Studies of the Safety, Pharmacokinetics, and Pharmacodynamics of AG-348, a First-in-Class Allosteric Activator of Pyruvate Kinase R, in Healthy Volunteers.

Pyruvate kinase deficiency is a chronic hemolytic anemia caused by mutations in PK-R, a key glycolytic enzyme in erythrocytes. These 2 phase 1 randomized, placebo-controlled, double-blind healthy-volunteer studies assessed the safety, tolerability, and pharmacokinetics/pharmacodynamics of AG-348, a first-in-class allosteric PK-R activator. Twelve sequential cohorts were randomized 2:6 to receive oral placebo or AG-348, respectively, as a single dose (30-2500 mg) in the single-ascending-dose (SAD) study (Cli...

Pharmacokinetics of Tenofovir Alafenamide, Tenofovir, and Emtricitabine Following Administration of Coformulated Emtricitabine/Tenofovir Alafenamide in Healthy Japanese Subjects.

A fixed-dose combination of tenofovir alafenamide (TAF) and emtricitabine (FTC) is available in 2 tablet strengths in Japan (FTC/TAF 200/10 mg and FTC/TAF 200/25 mg). These are used once daily in combination with other antiretroviral agents for the treatment of human immunodeficiency virus type 1 infection. The primary objective of this study was to investigate if there is any clinically relevant pharmacokinetic difference for TAF, tenofovir (TFV), and FTC between Japanese and non-Japanese with historical...

Efficacy, safety, and pharmacokinetics of intravenous midazolam in Japanese children with status epilepticus.

No dosing regimen has been established for the initial treatment of pediatric status epilepticus with intravenous midazolam. We therefore evaluated the efficacy, safety, and pharmacokinetics of bolus and continuous midazolam infusion.

Application of Physiologically-Based Pharmacokinetic Modeling to Predict Pharmacokinetics in Healthy Japanese Subjects.

Pharmacokinetics (PK) in Japanese healthy subjects were simulated for nine compounds using physiologically based pharmacokinetic (PBPK) models parameterized with physicochemical properties, preclinical absorption, distribution, metabolism, and excretion (ADME) data, and clinical PK data from non-Japanese subjects. For each dosing regimen, 100 virtual trials were simulated and predicted/observed ratios for C and AUC were calculated. As qualification criteria, it was pre-specified that over 80% of simulated t...

A Randomized, Double-Blinded, Placebo-Controlled, Dose-Escalation Phase 1 Study of Aerosolized Pirfenidone Delivered via the PARI Investigational eFlow Nebulizer in Volunteers and Patients with Idiopathic Pulmonary Fibrosis.

This clinical trial evaluated the pharmacokinetics and safety/tolerability of inhaled pirfenidone solution in volunteers and patients with idiopathic pulmonary fibrosis (IPF).

Effect of cyclosporine coadministration on the pharmacokinetics of eltrombopag in healthy volunteers.

Eltrombopag is indicated in patients with severe aplastic anemia (SAA) refractory to prior immunosuppressive therapy. The combination of eltrombopag and immunosuppressive therapy (such as cyclosporine) is currently being evaluated in patients with treatment-naive SAA. Cyclosporine is a human breast cancer resistance protein (BCRP) inhibitor, and can potentially alter plasma exposure to eltrombopag, a BCRP substrate. This phase 1, open-label, randomized, 3-period, crossover study evaluated the effect of cycl...

A Phase 1, Multiple-Dose Study of Vedolizumab in Japanese Patients With Ulcerative Colitis.

Although previous studies have shown that patients with ulcerative colitis may benefit from treatment with vedolizumab, a humanized monoclonal antibody targeting the α β integrin heterodimer, no data exist in Japanese populations. The aim of this phase 1, open-label, multicenter study was to assess the pharmacokinetics, pharmacodynamics, efficacy, and safety of vedolizumab in Japanese patients with ulcerative colitis. Adult patients with confirmed ulcerative colitis received either 150 mg (step 1) or 300...

No Clinical Impact of CYP3A5 Gene Polymorphisms on the Pharmacokinetics and/or Efficacy of Maraviroc in Healthy Volunteers and HIV-1-Infected Subjects.

Maraviroc is a C-C chemokine receptor type-5 antagonist approved for the treatment of HIV-1. Previous studies show that cytochrome P450 3A5 (CYP3A5) plays a role in maraviroc metabolism. CYP3A5 is subject to a genetic polymorphism. The presence of 2 functional alleles (CYP3A5*1/*1) confers the extensive metabolism phenotype, which is rare in whites but common in blacks. The effect of CYP3A5 genotype on maraviroc and/or metabolite pharmacokinetics was evaluated in 2 clinical studies: a post hoc analysis from...

Population pharmacokinetics of oral ivermectin in venous plasma and dried blood spots in healthy volunteers.

The anthelminthic ivermectin is receiving new attention as it is being repurposed for new indications such as mass drug administrations for the treatment of scabies or in malaria vector control. As its pharmacokinetics are still poorly understood, we aimed to characterize the population pharmacokinetics of ivermectin in plasma and dried blood spots (DBS), a sampling method better suited to field trials, with special focus on the influence of body composition and enterohepatic circulation.


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