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Viral Infections Clinical Trials

A listing of Viral Infections medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.

Found 544 clinical trials

Retrospective Observational Study on Infective Complications and Outcome of Patients With ALL Treated With INO

The goal of this observational study is to learn about infectious complications in patients affected by B-cell acute lymphoblastic leukemia treated with inotuzumab-ozogamicin (INO). The main question it aims to answer is: • incidence of infectious complications (bacterial, fungal, viral) in patients receiving inotuzumab ozogamicin up to 60 days after …

18 years of age All Phase N/A
P Pierre HAUSFATER, MD,PhD

Combination of Leukocyte Cell Surface Biomarkers Measured by Cytometry, to Differentiate Bacterial From Viral Infections in Emergency Department: a Multicentric Cohort for the Validation of Diagnostic Performances

The characterization of the bacterial or viral etiology of an infectious event is required for both isolation decisions and rationale use of antibiotics. In emergency room (ER), the direct identification of the causal pathogen is rarely available in real-time. Alternative is the identification of the host-response to either a bacterial …

18 years of age All Phase N/A
S Sabine Hazan, MD

A Study to Explore the Role of Gut Flora in COVID-19 Infection

This study seeks to determine whether the virus which causes COVID-19, SARS-CoV-2, is shed in the stools of patients who are infected.

18 years of age All Phase N/A
N Ngai Sze Wong, PhD

Respiratory Virus Metagenomics After COVID-19

The study aims to characterize the distributive pattern of viruses in upper airway and its relationship with influenza seasons, symptomatology and exposure setting. A total of 500 adults residing in Hong Kong would be recruited, who would complete a questionnaire and return self-collected nasal and throat swabs for metagenomic analyses.

18 years of age All Phase N/A
S Stephen K. Tyring, MD

A Study That Collects Participant Data and Biospecimens to Analyze Pathogenic Exosomes That Mediate Increased Vascular Dementia Risk in Individuals with Herpes Zoster.

The purpose of this observational research study is to study if patients with herpes zoster, also known as Shingles, have a higher risk of vascular dysfunction (problems with blood vessels, including stroke) and vascular dementia (problems with mental decline as a result of decreased blood flow to the brain) compared …

18 years of age All Phase N/A
S SNP Center Inquiry

Understanding Immunity to the Flu Vaccine in COVID-19 Patients

The purpose of this study is to measure immunity to the flu vaccine over time in patients who have had COVID-19 and may have other medical conditions including obesity, type 2 diabetes, chronic fatigue, or long-term COVID-19 symptoms. Adults and children (age 13 to 64) who had been diagnosed with …

13 - 64 years of age All Phase N/A
H Hanbin Zhao

Hepatitis B Vaccination After Neonatal Surgery

At present, whether the hepatitis B vaccine (HBV) can be vaccinated on time after neonatal surgery has become a common problem for children's families, neonatal surgeons, and vaccination departments, but there are few relevant studies at home and abroad, and there is no corresponding guide or consensus. In the early …

years of age All Phase N/A
R Ramyangshu Chakraborty

Torque Teno Virus: A Biomarker of Immunosuppression

To seek an association between Torque Teno Virus DNA titres resulting from under or over-immunosuppression in a kidney allograft recipient, Graft rejection, both cell-mediated rejection and antibody-mediated rejection, donor-specific antibodies (DSA), the incidence of BK viraemia and BK nephropathy, CMV infection or diseases and PCP infection and the number of …

16 years of age All Phase N/A
N Natalia Maximova, MD

Pharmacokinetics of Intravenous Acyclovir in Oncologic Paediatric Patients

Herpesvirus infections may be severe in immunocompromised patients, with a high risk of complications and mortality. Recipients of hematopoietic stem cell transplant (HSCT) or patients receiving high-intensity chemotherapy for hematological malignancies are the most vulnerable individuals. Although the worldwide prevalence of herpes simplex virus 1 (HSV-1) and varicella-zoster virus (VZV), …

6 - 18 years of age All Phase N/A
D Dina H Ziada, MD, head of department

Impact of Hepatitis B Virus on Inflammatory Bowel Disease

The goal of this observational retrospective study is to assess the impact of hepatitis B virus (HBV) infection on the clinical course and outcomes of inflammatory bowel disease (IBD) in Egyptian patients. Researchers will compare the IBD extent, location, severity, and behavior between IBD patients with and without HBV infection. …

18 years of age All Phase N/A

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