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Found 65,199 clinical trials
Q Qianmei Zhu

Gut Microbiota and Pulmonary Complications After Non Cardiac Elective Surgery in Elderly Patients

This study adopts a combination of retrospective and prospective cohort research methods to explore the composition of preoperative oropharyngeal and gut microbiota in elderly patients undergoing elective upper abdominal surgery, aiming to analyze the correlation between preoperative oropharyngeal and intestinal microbiota composition and metabolite levels and the occurrence of postoperative …

65 years of age All Phase N/A
E Elizabeth Fulks

Amyloidosis Incidence in High-Risk Cardiac Device Patients

This single-practice prospective cohort study aims to enhance the diagnosis of cardiac amyloidosis in high-risk patients undergoing standard cardiac device implantation. By analyzing chest wall fat tissue, which is usually discarded, we aim to determine the diagnostic yield of such biopsies for amyloidosis and to develop a predictive screening model …

40 years of age All Phase N/A
Z Zhihua Zhang, master

The Safety and the Efficiency of Hyperbaric Oxygen in Traumatic Brain Injury

The goal of this observational study is to learn about the safety and long-term effects of hyperbaric oxygen therapy in participants over the age of 18 with traumatic brain injury (TBI). The main question it aims to answer are: Does hyperbaric oxygen therapy raise independence in daily living and the …

18 - 90 years of age All Phase N/A
Z Zhao chong, M.D

Investigation of Multi-omics Technique to Predict the Efficacy of Chemoradiotherapy Combined With Immunotherapy for r/m NPC

The observational clinical study will recruit 50 recurrent and/or metastatic nasopharyngeal carcinoma (r/mNPC) patients, to investigate the prediction values of multi-omics technique for the efficacy of chemoradiotherapy combined with immunotherapy.

18 - 70 years of age All Phase N/A
Y Yanxing Chen, MD

Prospective Cohort Study of Patients with Early Alzheimer's Disease Treated with Lecanemab

As the population increases and aging intensifies, cognitive disorders represented by Alzheimer's disease (AD) not only pose a severe threat to public health but also bring significant social and economic burdens. Previously, treatment options for Alzheimer's disease were very limited, mainly providing symptomatic relief with few available medications. Lecanemab, an …

- 85 years of age All Phase N/A
W Wenqi Li

Non-invasive Filling Pressure(NIFP) Device Based on Low Frequency Heart Sound in Assessment of Congestion in Heart Failure Patients

Congestion plays a key role in heart failure (HF) trajectory .Clinical congestion refers to the signs and symptoms resulting from elevated cardiac filling pressures. Hemodynamic congestion refers to elevated cardiac filling pressures, which may occur days or weeks before the presentation of symptoms , , . Serial assessment of congestion …

18 years of age All Phase N/A
Y Yuhang Cai

The EEG Study Under Sevoflurane Anesthesia in Children

Sevoflurane is one of the most commonly used volatile anesthetics in children because of its rapid induction, recovery and recovery properties. Clinical studies using noninvasive brain monitoring have shown that general anesthetics and hypnotics generate electroencephalogram (EEG) oscillations in specific spatial tissues that are fundamentally related to the structure and …

1 - 6 years of age All Phase N/A
J Jayanta Chowdhury

MCID and PASS for Acute Pain and Quality of Recovery After Orthopedic Surgery

This study seeks to define what constitutes an MCID and a PASS in patients undergoing a variety of elective major orthopedic surgery.

18 - 80 years of age All Phase N/A
E Eduardo Lima, Doctor

Association Between GalectiN-3 and POSt-operative AtrIal Fibrillation After Coronary Artery BypaSs Graft

The goal of this observational study is to test the association between high levels of Galectin-3 and the occurrence of post-operative atrial fibrillation after isolated coronary artery bypass grafting (CABG). The main question[s] it aims to answer are: Is Galectin-3 an accurate biomarker to predict higher risk of developing post-operative …

18 years of age All Phase N/A

SPECT Imaging for Pharmacokinetics and dosimEtry Towards TREATment Optimization

The investigators will study SPECT imaging of radiopharmaceutical therapies given as standard of care or as part of other compatible research protocols. The goal is to validate the quantitative SPECT image reconstruction methods developed in this proposal, and to investigate the relation between dosimetry calculated from SPECT images and the …

18 - 100 years of age All Phase N/A

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