Clinical Trials About "Fusion pseudorabies virus glycoproteins enhances protective immunity against" RSS

20:44 EDT 2nd April 2020 | BioPortfolio

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Showing "Fusion pseudorabies virus glycoproteins enhances protective immunity against" Clinical Trials 1–25 of 5,700+


The Impact of Age on Adaptive Immunity in Adults Infected With Respiratory Syncytial Virus

This study will for the first time systematically investigate the immune responses in an elderly cohort challenged with a well-defined RSV inoculum. With a global aging population and continuing difficulties in generating vaccines that can reliably induce protective immunity in the elderly, these data will indicate the targets at which development of vaccines against RSV and other infections should be directed.

Study of Rubella Immunity. Response to Vaccination of Subjects With Very Low, Equivocal or Undetectable Titers of Rubella Virus Antibodies

The aim of the research is to study humoral and cellular immunity in pregnant women for who the level of rubella virus antibodies is weakly positive, equivocal or negative with the usual laboratory technique.

Evaluation of Immunogenicity of Different Tick Borne Encephalitis (TBE) Fast Protective Traveler Schemes With Inactivated TBE Whole Virus Vaccine

The study aims to answer this question: whether adequate immunity can be achieved in a short time, that is, by a rapid immunisation process, using at least one of 3 new TBE immunisation schedules? The investigators will test the immunogenicity (the degree of immunity achieved) of each of the immunisation schedules at various times after the injections. If the results of this clinical study are positive, it may then be possible to develop the most successful immunisation schedu...

Analysis of Bone Marrow and Blood B Cell Immune Responses to Influenza Vaccination

The primary objective investigate the longevity of humoral immunity to influenza virus in humans. Our overarching hypothesis is that an understanding of how long-term humoral immunity to influenza virus is generated and maintained is essential for the development of a "universal" vaccine against influenza virus. The secondary objective is the longitudinal tracking of vaccine-induced B cells responses with special emphasis on broadly neutralizing HA stem reactive responses.

A Phase I Trial of a LTK63 Adjuvated Tuberculosis Nasal Subunit Vaccine (Ag85B-ESAT6)

The purpose of this study is to determine whether a subunit tuberculosis vaccine given as two nasal immunizations composed of a hybrid protein antigen from M. tuberculosis virus mixed with a toxoid adjuvant, causes untoward adverse reactions when administered to healthy adult volunteers. Both subjects who have not received Bacillus Calmette-Guerin (BCG) and subjects who have already received BCG will be enrolled. An initial evaluation of immune responses to the vaccine will als...

Pilot Study to Describe Immune Responses of Healthy Women Following Immunization With Varicella Zoster Virus Vaccine

The re-activating nature of Varicella Zoster Virus (VZV) may allow life long boosting when used as a vaccine vector in conjunction with HIV to generate durable immunity systemically and at the mucosa. This study aims to characterize mucosal immunity before and after vaccination with a commercial live-attenuated varicella-zoster virus vaccine with respect to immune activation state, mucosal homing properties and VZV-specific effector immune responses in healthy women at low r...

A Comparative Phase I Clinical Study of HIVAC-1e and Smallpox (Vaccinia) Vaccines in Previously (Vaccinia) Vaccinated and Unvaccinated Volunteers

To determine the physiological and immunological responses in healthy HIV seronegative adult volunteers vaccinated with a) the HIVAC-1e (vaccinia-HIV) vaccine expressing the envelope glycoproteins of HIV and b) the Wyeth smallpox vaccine. The parameters to be studied will include: 1. The course of physiological responses to vaccination, including (a) lesion development, progression, and resolution; (b) physiological changes such as temperature, malaise, itchi...

A Systems Biology Approach to Malaria Immunity

This is a phase I study that will assess the acquisition of immunity to Pf malaria over the course of 4 sequential Controlled Human Malaria Infections (CHMI) over 3 years, in 10 healthy adult participants. The study is expected to last for 48 months and will include 28 healthy male and female volunteers (10 study volunteers and 18 naïve controls to confirm Pf infectivity during the 2nd -4th CHMI challenges) ages18 to 45 years, inclusive, from the greater Baltimore community. ...

Hallmarks of Protective Immunity in Sequential Rhinovirus Infections in Humans

The primary objective of this study is to assess the relationship between rhinovirus specific T-cell immunity and the human host response to primary rhinovirus challenge and subsequent secondary challenge with either homologous or heterologous rhinovirus serotypes.

Antibody Response and Immune Memory 15-18 Years After HBV Vaccination

Taiwan is an endemic region for hepatitis B. Before the implementation of a nationwide vaccination program in 1984, the hepatitis B virus (HBV) carrier rate in the general population was 15 to 20%.1-2 The major impact of hepatitis B (HB) infection is its long-term sequelae which may include chronic hepatitis, liver cirrhosis, and hepatocellular carcinoma.3 Perinatal infection accounts for 40-50% of all hepatitis B infections and is responsible for the generation-to-generation t...

Protective Effect of Tranexamic Acid on Shedding of the Endothelial Glycocalyx in Patients Undergoing Spinal Fusion Surgery

The aim of this study was to determine whether the administration of tranexamic acid in patients undergoing lumbar spinal fusion surgery can inhibit damage in endothelial glycocalyx layer. As a prospective double blinded randomized placebo-controlled trial, the investigators detect and compare the changes in concentrations of serum syndecan-1 and heparan sulfate before and after surgery.

Protecting Young Special Risk Females From Cervical Cancer Through Human Papilloma Virus (HPV) Vaccination

A research project is currently being undertaken looking at Human Papilloma Virus (HPV) vaccination in special risk groups. It aims to see if young women with a chronic illness respond well to the HPV vaccine or whether they may require additional doses to ensure protective immunity. The four valent HPV vaccine protects against HPV types 16 & 18, cervical cancer and HPV types 6 & 11, anogenital warts. The six special risk groups include: Paediatric Rheumatological Disea...

A Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of Adenovirus Serotype 26 Based Respiratory Syncytial Virus Pre-fusion (Ad26.RSV.Pre-F) Vaccine in RSV-Seronegative Toddlers 12 to 24 Months of Age

The purpose of this study is to assess the safety and reactogenicity of an intramuscular regimen of 3 doses of 2.5*10^10 viral particles (vp) of adenovirus serotype 26 based respiratory syncytial virus pre-fusion protein (Ad26.RSV.preF) vaccine in RSV-seronegative toddlers aged 12 to 24 months.

Identification of Viral Variants Involved in the Transmission of Hepatitis C and Characterization of Antigenic and Functional Properties of Their Envelope Glycoproteins

The study consists to Identify viral variants involved in the transmission of hepatitis C and characterize the antigenic and functional properties of their envelope glycoproteins at very early stage of infection (before seroconversion).

A Prospective Study of HBV Immunity and HBV Vaccination in Patients With NAFLD in Canada

(1) Due to missed childhood vaccination programs, the majority of adult patients with NAFLD in Canada do not have immunity to hepatitis B. (2) Adults with NAFLD who receive the HBV vaccine have reduced immunogenic responses in the setting of obesity (i.e., protective anti-HBs titres). Aims: (1) To determine the sero-prevalence of immunity against hepatitis B in a cohort of prospectively evaluated adult NAFLD patients. (2) To prospectively determine HBV vaccine responses (anti-H...

Fusion Imaging for EVAR With Mobile C-arm

Fusion imaging is a technique that facilitates endovascular navigation but is only available in hybrid rooms. The goal of this study is to evaluate the feasibility of fusion imaging with a mobile C-arm in a conventional operating room through the use of an angio-navigation station.

Immune Response to Hepatitis C Virus

The purpose of the study is to investigate the immune response to hepatitis C virus to determine why some people clear the virus and others develop chronic infection. Changes in immune response once hepatitis C therapy is begun will also be examined. If patients are also HIV+, the effect of antiretroviral therapy on the recovery of hepatitis C immunity will be investigated.

Protective Immunity Project 02

Influenza (Flu) vaccine is recommended for kidney transplant patients who are at least 6 months post-transplant. The influenza vaccine stimulates the immune system to builds protective antibodies against the flu virus. Previous research has shown that adult kidney transplant patients are not able to form as much of these protective antibodies as compared to healthy volunteers. Research has also suggested that different immunosuppressive medicines may have different effects on...

Sagittal Parameters After Mono Segmental Lumber Fusion: Interbody Versus Postrolateral Fusion

To compare postoperative radiographic sagittal parameters after monosegmental lumbar fusion: posterior lumbar interbody fusion versus postrolateral fusion in treatment of lumbar spine instability

Early Discharged Lumbar Spine Fusion Reduced Postoperative Readmissions: A Follow-up Study in a National Cohort

This study undertake to determine the effects of ED on readmissions and reoperations in lumbar fusion. The study enrolled patients who underwent lumbar fusion surgery at age 50-70 years from a national database, and grouped them into an ED group or a comparison group. All patients were then followed-up for 180 days after the indexed surgery of lumbar fusion.

Screening and Identification of Biomarkers on Cervical Cancers

Cervical cancer the most frequent neoplasm and the fifth mortality rate of malignancies of the women in the world. It results in about 1,000 women in Taiwan and about 200,000 women worldwide dying of cervical cancer each year. Human papilloma viruses (HPV) have been consistently implicated in causing cervical cancer especially those high-risk types (HPV 16,18,31,45) have been strongly associated with cervical cancer. Around 50-80 % of women are infected by HPV within their whol...

Comparison of Engerix B Vaccine Versus Sci-B-Vac Vaccine in Celiac Patients

Celiac disease and infection with hepatitis B virus (HBV) are very prevalent worldwide and carry a high morbidity rate. It has been recently shown that patients with celiac disease very often fail to develop immunity after standard vaccination for HBV during infancy. In this study, we will evaluate whether a second vaccination series with a different vaccine, Sci-B-Vac, results in a better immunological response in celiac patients. Eligible patients will be randomized to recei...

Comparative Study Between Posterior Lumbar Interbody Fusion(PLIF) and Intertransverse Process Fusion in Treatment of Spodylolithesis

The first technique described for interbody fusion was the anterior lumbar interbody fusion (ALIF).(20) For this technique, the intervertebral disc is accessed through a retroperitoneal or transperitoneal approach. While the posterior approach was first described by Russell Hibbs in 1911, in the 1950's, Cloward (7)popularized the posterior approach for a posterior lumbar interbody fusion (PLIF).

Innate Immunity and Respiratory Syncytial Virus (RSV) Infection in Children

In this project we will study the capacity for single nucleotide polymorphisms (SNP) in TLR4 gene to induce varying levels of inflammatory chemokine and cytokine production.

Study to Evaluate the Safety and Immunogenicity of Poly ICLC (Hiltonol) in Healthy Volunteers

Vaccines induce protective immunity against numerous infectious diseases. However, current vaccines have limited efficacy against challenging infections like tuberculosis, malaria and HIV. Protein vaccines are safe but, typically, they induce weak T cell immunity when administered alone. Therefore, special attention is being given to adjuvants, which are enhancers of immunity, that mature antigen presenting immunostimulatory dendritic cells (DCs). Our goal is to study in humans...

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