View clinical trials related to Virus Diseases.
Filter by:This study uses a hybrid Type 1 effectiveness-implementation trial to operationalize and assess the efficacy of the Health Enhancement Resource System (HERS) intervention. HERS aims to increase patient follow-up after abnormal test results through text message-based barriers counseling for women and supplemental telephone-based Health Coaching for women who miss their appointment.
The goal of this observational study is to understand immune responses to viral airway infection in adults, including the elderly. The main question(s) to answer is/are: Why do some individuals acquire only asymptomatic or mild Influenza A virus (IAV) infection while others become severely ill and even succumb to the same disease? Participants will be asked to donate samples when seeking health care for influenza-like symptoms or if hospitalized for IAV or SARS-CoV-2. Samples asked for are: - Blood sample by venepuncture - Blood sample by capillary sampling - Nasopharyngeal aspirate - Nasopharyngeal swab - Endotracheal tube aspirate - Nasal swab - Nasal curette - Breath Explor (sampling of expired air) Researchers will compare obtained results with the same type of samples from healthy controls.
The innate immune response of children with acute viral bronchiolitis (AVB) caused by respiratory syncytial virus (RSV) in the acute phase and in the resolution phase, is marked by variations in inflammatory and anti-inflammatory mediators, where in the acute phase there is recruitment and activation of multiple cells of the immune system, with consequent increase in the expression of pro-inflammatory mediators. Evidence indicates that there is a considerable increase in tumor necrosis factor-alpha (TNF) , interleukine 6 (IL6), interleukine 1-beta, interleukine 8 (IL8) interleukine 10 (IL10), exposing to IL6, IL8 and IL-10 positively correlated with AVB severity. There are already reports that the transcutaneous application of photobiomodulation (PBM) reaches the lungs, producing positive responses in respiratory pathologies, both acute and chronic . Thus, PBM caused by the use of low-level laser may be a favorable resource to be used in the area of respiratory physiotherapy, specifically in neonatology and pediatrics, since there are studies in both experimental and human models that prove its action on lung cells, acting to reduce airway edema, reduce neutrophil migration to lung tissue and synthesize pro-inflammatory cytokines TNFalpha, IL6 and IL-10. In addition, it is a portable, practical, quick application, with minimal contraindications and possibly better tolerated by the neonatal and pediatric population.
The aim of this study is to demonstrate the immune response and to evaluate safety of the RSVPreF3 OA investigational vaccine in non-immunocompromised adults 18-49 years of age (YOA), who are at increased risk (AIR) for respiratory syncytial virus (RSV) disease, compared to older adults (OA) (>=) 60 YOA and above
This is a randomized, blinded, placebo-controlled, dose-ranging Phase 1b study of the safety, PK, and antiviral activity of ABI-4334 in treatment-naïve or off-treatment chronic Hepatitis B virus (cHBV) subjects that are Hepatitis B e antigen (HBeAg) positive or negative. The study will enroll up to 5 sequential cohorts of 10 subjects each, for a total of up to 50 subjects, randomized 8:2 to receive ABI-4334 or placebo.
The study is planned to evaluate the therapeutic efficacy and safety of XC8, film-coated tablets, in the treatment of dry non-productive cough on the background of acute respiratory infections in children from 6 to 17 years compared with placebo.
The purpose of the pivotal study is to collect blood specimens and clinical data from pediatric (>90 days old) and adult (≥18 years old) patients presenting with signs and symptoms suggestive of acute bacterial or viral infection. These samples will be used to establish the diagnostic performance of MeMed BV™ for differentiating bacterial from viral infection using method comparison and/or method concordance.
This project is a cross-sectional study. Investigators plan to search and collect 1600 publicly published fecal metagenomic and metatranscriptome data through the Pubmed database, by summarizing and analyzing them to construct an enterovirus database. 200 apparently healthy individuals are planned to be enrolled. At the time of enrollment, fecal specimens of participants will be collected, and their demographic characteristics, disease and medication history, gastrointestinal status, dietary habits, lifestyle habits, and mental health information will be recorded. Another 200 specimens will be collected from patients with parenteral virus infection. The demographic characteristics and pathogen test results of the parenteral virus infected patients will be reviewed and recorded. By virus metagenomic sequencing on fecal specimens, investigators will identify which viruses can be detected in the intestinal tract of apparently healthy people, and to explore whether parenteral infection viruses can be detected in feces.
This study is designed to evaluate the magnitude and duration of the human adaptive immune response to the JYNNEOS Modified Vaccinia Ankara-Bavarian Nordic (MVA-BN) vaccine in the blood, lung mucosa, skin and bone marrow.
The goal of this Phase II/III study is to investigate the safty and efficacy of ADC189 tablets in adolescents and adults with influenza A virus infection/influenza B virus infection. The main aim to answer: - Phase II study is to evaluate the efficacy of ADC189 tablets in the treatment of adult influenza subjects and determine the optimal therapeutic dose by analyzing the time of virus titer turning to negative. All the results will be used to design the Phase III study. - Phase III study is to evaluate the efficacy of ADC189 tablets by analyzing the duration of remission of all influenza symptoms in adolescents and adults subjects with influenza. Participants will be taken ADC189 teblets/Placebo once, and be observed by 22 days. Phase II study has 3 groups: 15 mg ADC189; 45 mg ADC189; and Placebo; Phase III study has 2 groups: 45 mg ADC189; and Placebo.