Chaoyang Chen

ORCID: 0000-0002-4708-4462
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About
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Research Areas
  • Antibiotics Pharmacokinetics and Efficacy
  • Pharmacological Effects and Toxicity Studies
  • Antimicrobial Resistance in Staphylococcus
  • Growth Hormone and Insulin-like Growth Factors
  • Renal Transplantation Outcomes and Treatments
  • Pituitary Gland Disorders and Treatments
  • RNA modifications and cancer
  • Diabetes Treatment and Management
  • Epilepsy research and treatment
  • Renal Diseases and Glomerulopathies
  • Cancer-related molecular mechanisms research
  • Acute Lymphoblastic Leukemia research
  • Multiple Myeloma Research and Treatments
  • Colorectal Cancer Surgical Treatments
  • Gut microbiota and health
  • RNA Research and Splicing
  • Coagulation, Bradykinin, Polyphosphates, and Angioedema
  • Adrenal and Paraganglionic Tumors
  • Neuroendocrine Tumor Research Advances
  • Ferroptosis and cancer prognosis
  • Pneumonia and Respiratory Infections
  • Antiplatelet Therapy and Cardiovascular Diseases
  • Metabolism and Genetic Disorders
  • Colorectal and Anal Carcinomas
  • Tuberous Sclerosis Complex Research

National Defense Medical Center
2011-2025

Tri-Service General Hospital
2019-2025

Tongji University
2024

Xiamen University
2021-2024

Taiwan Nurses Association
2024

Peking University First Hospital
2016-2022

Peking University
2016-2022

Zhuhai People's Hospital
2022

Fudan University
2016

Yangzhou University
2013

The optimal use of vancomycin in the elderly requires information about drug's pharmacokinetics and influence various factors on disposition. However, because sampling restrictions, it is often difficult to perform traditional pharmacokinetic studies patients. This study was conducted estimate population Chinese geriatric patients (age ≥ 65 years) with pulmonary infections explore clinical application this for dose individualization. steady-state trough concentrations were retrospectively...

10.1007/s13318-018-0534-2 article EN cc-by-nc European Journal of Drug Metabolism and Pharmacokinetics 2018-11-30

The Pharmacokinetics of Methotrexate (MTX) has been reported to show significant intersubject variability. MTX is metabolized by SHMT1 and transported OATP1B1 OATP1B3 both which genetic polymorphisms. non-genetic factors may influence the pharmacokinetics MTX.This study aimed determine pharmacokinetic parameters in Chinese patients investigate effect various variants OATP1B1, on MTX's pharmacokinetics.MTX concentration clinical characteristics data were collected from 71 rheumatoid arthritis...

10.2174/1389200220666190701094756 article EN Current Drug Metabolism 2019-07-03

Vancomycin remains a mainstay of the treatment Gram-positive bacterial infections. It is crucial to accurately determine vancomycin serum concentration for adequate dose adjustment.To evaluate precision and accuracy commercial assay techniques assess comparability detection methods in Chinese laboratories.Human samples spiked with known concentrations were provided laboratories participating external quality assessment scheme (EQAS). Assay included chemiluminescence, enzyme immunoassay (EIA)...

10.1093/jac/dkaa150 article EN Journal of Antimicrobial Chemotherapy 2020-03-31

Monohydroxycarbamazepine (MHD, 10-hydroxy-carbamazepine) is the main active metabolite of oxcarbazepine (OXC). The present study aims to investigate relationship between plasma and saliva concentrations MHD in Chinese children with epilepsy.Plasma samples were collected levels measured by high-performance liquid chromatography system. Linear regression analysis was conducted dose OXC concentrations, concentrations. Student's t-test used for unpaired data. A one-way variance analyzing...

10.1097/ftd.0000000000000278 article EN Therapeutic Drug Monitoring 2016-01-27

Oxcarbazepine (OXC) is a widely used antiepileptic drug whose effect mainly depends on its active metabolite 10-hydroxycarbazepine (MHD). This study established population pharmacokinetic (PPK) model of MHD in Chinese children with epilepsy and conducted dosage simulation order to provide support for individualized OXC treatment.Ninety-one plasma sampling points from 88 paediatric patients were retrospective collected. concentrations detected, patients' clinical data recorded. PPK analysis...

10.1111/jcpt.12792 article EN Journal of Clinical Pharmacy and Therapeutics 2019-01-12

Abstract The key N 6 methyladenosine (m A) RNA methylation regulator is associated with multiple tumour progression. However, the m A‐associated regulators that influence non‐small cell lung cancer (NSCLC) development have not been fully clarified. A expression pattern of NSCLC patients from Cancer Genome Atlas (TCGA) dataset was identified. Aberrations m6A modulators are related to via cBioPortal database. Furthermore, we found IGF2BP2, IGF2BP3, HNRNPA2B1, and FTO significantly correlated...

10.1111/1440-1681.13608 article EN Clinical and Experimental Pharmacology and Physiology 2021-10-30

Some studies have suggested heterogeneous nuclear ribonucleoprotein A2/B1 (HNRNPA2B1) to be a promoter in cancer development. Nonetheless, no detailed pan-cancer investigation has been reported. Thus, this study explored the possible oncogenic role of HNRNPA2B1, such as its expression levels, gene alteration, protein-protein interaction network, immune infiltration, and prognostic value different types using The Cancer Genome Atlas web platform. Many exhibit HNRNPA2B1 overexpression, which...

10.1155/2022/9867660 article EN Computational and Mathematical Methods in Medicine 2022-04-27

Background and Objectives: Although human papillomavirus (HPV) is a major etiology of cervical anogenital cancers, whether it associated with colorectal carcinogenesis yet undetermined. Materials Methods: The longitudinal association HPV infection cancer (CRC) was evaluated using 2000-2013 data from nationwide Taiwanese claims database. In this retrospective cohort study, 358 patients primary diagnoses (HPV-infected cohort) 1432 without such diagnosis (HPV-uninfected were recruited between...

10.3390/medicina58101461 article EN Medicina 2022-10-15

Abstract Background Abnormal expression of protein tyrosine kinase 6 (PTK6) has been proven to be involved in the development gynecological tumors. However, its immune-related carcinogenic mechanism other tumors remains unclear. Objective The aim this study was identify PTK6 as a novel prognostic biomarker pan-cancer, especially lung adenocarcinoma (LUAD), which is correlated with immune infiltration, and clarify clinicopathological significance. Methods value relevance were investigated by...

10.1007/s12672-024-00939-9 article EN cc-by Discover Oncology 2024-04-04

The aims of this study were to investigate the population pharmacokinetic (PPK) characteristics tacrolimus in Chinese children with nephrotic syndrome and apply it clinical practice.A total 137 concentrations from 61 patients collected routine therapeutic drug monitoring data between 2011 2018. Population modeling was performed nonlinear mixed-effects model (NONMEM) program, using a one-compartment first-order absorption elimination. mean estimate values clearance (CL/F) volume distribution...

10.5414/cp203355 article EN International Journal of Clinical Pharmacology and Therapeutics 2019-01-21

Hepatitis B virus (HBV) has a 3.2 kb circular DNA genome. It employs four promoters in conjunction with single polyadenylation signal to generate 3.5, 2.4, 2.1 and 0.7 co-terminal RNAs. The 3.5 RNA is subdivided into the precore for e-antigen expression pregenomic genome replication. When introduced genotype A clone, several core promoter mutations markedly enhanced HBV replication, but suppressed through up-regulation of at expense RNA. In this study, we found such also diminished envelope...

10.1099/jgv.0.000590 article EN Journal of General Virology 2016-08-24

Patients with colorectal cancer (CRC) undergo surgery, as well perioperative chemoradiation or adjuvant chemotherapy primarily based on the tumor-node- metastasis (TNM) staging system. However, treatment responses and prognostic outcomes of patients within same stage vary markedly. The potential use novel biomarkers can improve prognostication shared decision making before implementation into certain therapies.To investigate whether SUMF2, ADAMTS5, PXDN methylation status could be associated...

10.3748/wjg.v28.i8.825 article EN cc-by-nc World Journal of Gastroenterology 2022-02-20
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