Biejing, China Clinical Trials
A listing of Biejing, China clinical trials actively recruiting patients volunteers.
Found 2,216 clinical trials
A Cohort Study of Risk Factors and Prognosis for Frequent Acute Asthma Exacerbations Phenotype
Acute asthma exacerbations are an important public health problem and a major cause of disease progression and healthcare burden for people with asthma. Frequent acute exacerbations are likely to be a distinct asthma phenotype. Further research is needed to identify risk factors for frequent acute exacerbations, but previous studies have …
Blood Biomarkers for Screening of Alzheimer's Disease
The goal of this observational study is to estimate the screen performance of blood biomarkers of interest (Aβ40 and Aβ42, P-Tau181, P-Tau217, GFAP and NfL) in patients with Alzheimer's disease (AD), mild cognitive impairment due to AD, and cognitively normal individuals. The main questions it aims to answer are: to …
Modified Aortic Root Enlargement Procedure
This study is a prospective observational clinical trial, in which severe AS patients aged 50-70 years with SAA choose modified ARE or TAVR according to their wishes to investigate the safety and efficacy of modified ARE; Compare the incidence and clinical outcomes of moderate to severe PPM after modified ARE …
Taxane Combined Targeted Therapy for Low-risk HER2 Positive and Lymph Node Negative Breast Cancer
Human epidermal growth factor receptor 2 (HER2) positive breast cancer is a molecular subtype with high malignancy and high risk of recurrence and metastasis. HER2 targeted drugs has greatly improved the prognosis and survival of such patients. At present, for HER2 positive breast cancer patients with negative lymph nodes, chemotherapy …
Ablation of Pulmonary Oligometastasis Combined With System for Advanced Hepatocellular Carcinoma
Ablation has been an effective therapy in treating intrathoracic metastases. However, for hepatocellular carcinoma with pulmonary oligometastasis, ablation of metastases remains relatively unexplored and still needs clinical evidence.
Lysophosphatidylglycerol in Asthma Pathogenesis
The study aims to investigate the relationship between the small molecule metabolite lysophosphatidylglycerol and asthma clinical features and explore its involvement in asthma pathogenesis.
Study on the Mechanism of Cognitive Impairment in Patients with Moyamoya Disease
The purpose of this study is to comprehensively evaluate the risk factors for cognitive decline in patients with moyamoya disease, identify imaging target areas associated with cognitive damage in the brain, and explore the changes in brain structure and functional networks resulting from cerebral revascularization, as well as their relationship …
SABR Combined with Targeted Therapy and Anti-PD-1 for Recurrent or Metastatic Renal Cancer
Renal cancer ranks seventh in incidence among men and sixth among women in the Beijing area, with Peking University First Hospital treating over 1,000 kidney cancer patients annually. Once recurrence or metastasis occurs, the prognosis is poor, with median progression times of 1-2 years after first-line systemic therapy (targeted therapy …
Consistency of LGE-MRI Fibrosis and EAM Low-voltage Area
This study aims to: Assess the consistency of LGE-MRI bi-atrial fibrosis and electroanatomical mapping of bi-atrial low voltage region To evaluate the electroanatomical characteristics of different types of fibrosis (dense fibrosis, patchy fibrosis, etc.) in different locations of the left and right atrium; To explore the correlation between preoperative and …
Observation of Exhaled VOC Biomarkers Characteristics in Admitted Women with Breast Ultrasound BI-RADS 4 Grade
Explore VOCs indicators that can effectively distinguish between benign and malignant breast diseases. The accuracy of VOCs indicators and ultrasound 4a/4b/4c diagnosis will be compared in determining benign and malignant diseases based on pathological gold standards.
