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Human Vaccines & Immunotherapeutics

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https://www.readbyqxmd.com/read/28925801/mf59-adjuvanted-influenza-vaccine-fluad%C3%A2-elicits-higher-immune-responses-than-a-non-adjuvanted-influenza-vaccine-fluzone%C3%A2-a-randomized-multicenter-phase-iii-pediatric-trial-in-mexico
#1
Aurelio Cruz-Valdez, Gabriel Valdez-Zapata, Sanjay S Patel, Flavia V Castelli, Marcia G Garcia, Wim T Jansen, Ashwani Kumar Arora, Esther Heijnen
The poor immune response elicited by trivalent influenza vaccines (TIVs) in children can be enhanced by the addition of adjuvants. This observer-blind, randomized Phase III trial assessed the immunogenicity and safety of the MF59-adjuvanted trivalent influenza vaccine FLUAD® (aTIV) and a non-adjuvanted TIV, in healthy children (aged 6 to <72 months) from 3 centers in Mexico, during the 2014-2015 season. The primary objectives were to assess the non-inferiority of aTIV to TIV, measured by geometric mean titers (GMTs), and the safety of aTIV and TIV...
September 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28925795/application-of-replication-defective-west-nile-virus-vector-to-non-flavivirus-vaccine-targets
#2
Maryann Giel-Moloney, Michael Vaine, Linong Zhang, Mark Parrington, Beata Gajewska, Thorsten U Vogel, Svetlana O Pougatcheva, Xiaochu Duan, Timothy Farrell, Irina Ustyugova, Sanjay Phogat, Harry Kleanthous, Konstantin V Pugachev
The RepliVaxvaccine platform(RV) is based on flavivirus genomes that are rationally attenuated by deletion. The self-limiting infection provided by RV has been demonstrated to be safe, highly immunogenic and efficacious for several vaccine candidates against flaviviruses. Here respiratory syncytial virus (RSV) F, influenza virus HA, and Simian Immunodeficiency virus (SIV) Env proteins were expressed in place of either prM-E or C-prM-E gene deletions of the West Nile (WN) genome. The resulting RV-RSV, -influenza and -SIV vaccine prototypes replicated efficiently in complementing helper cells expressing the WN structural proteins in trans...
September 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28925794/developments-in-the-formulation-and-delivery-of-spray-dried-vaccines
#3
Gaurav Kanojia, Rimko Ten Have, Peter C Soema, Henderik Frijlink, Jean-Pierre Amorij, Gideon Kersten
Spray drying is a promising method for the stabilization of vaccines, which are usually formulated as liquids. Usually, vaccine stability is improved by spray drying in the presence of a range of excipients. Unlike freeze drying, there is no freezing step involved, thus the damage related to this step is avoided. The edge of spray drying resides in its ability for particles to be engineered to desired requirements, which can be used in various vaccine delivery methods and routes. Although several spray dried vaccines have shown encouraging preclinical results, the number of vaccines that have been tested in clinical trials is limited, indicating a relatively new area of vaccine stabilization and delivery...
September 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28925793/sequential-administration-of-mva-based-vaccines-and-pd-1-pd-l1-blocking-antibodies-confers-measurable-benefits-on-tumor-growth-and-survival-preclinical-studies-with-mva-%C3%AE-gal-and-mva-muc1-tg4010-in-a-murine-tumor-model
#4
Christelle Remy-Ziller, Christine Thioudellet, Julie Hortelano, Murielle Gantzer, Virginie Nourtier, Marie-Christine Claudepierre, Benoit Sansas, Xavier Préville, Kaïdre Bendjama, Eric Quemeneur, Karola Rittner
TG4010, a Modified Vaccinia virus Ankara (MVA) expressing human mucin1 (MUC1) has demonstrated clinical benefit for patients suffering from advanced non-small cell lung cancer (NSCLC) in combination with chemotherapy. To support its development, preclinical experiments were performed with either TG4010 or β-galactosidase-encoding MVA vector (MVA-βgal) in mice presenting tumors in the lung. Tumor growth was obtained after intravenous injection of CT26 murine colon cancer cells, engineered to express either MUC1 or βgal...
September 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28922621/a-21-winter-seasons-retrospective-study-of-antibody-response-after-influenza-vaccination-in-elderly-60-85%C3%A2-years-old-and-very-elderly-85%C3%A2-years-old-institutionalized-subjects
#5
Emilia Nunzi, Anna Maria Iorio, Barbara Camilloni
Influenza vaccination is considered the best mean for preventing the higher rates of mortality associated with influenza virus infection in the elderly as compared with younger people. Since the number of very elderly subjects, aged >85 years, is rapidly increasing, and some authors reported increments in influenza-associated mortality with age, the aim of this study was to increase the limited information available on the immunogenicity of the influenza vaccines in this age group. This was a retrospective study which analyzed the antibody response induced by commercially available trivalent inactivated influenza vaccines in 1491 elderly subjects (60-85 years old) and 1139 very elderly subjects (>85 years old) during 21 winter seasons included between 1993-1994 and 2014-2015...
September 18, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28922613/the-etiology-of-community-acquired-pneumonia-among-children-under-5%C3%A2-years-of-age-in-mainland-china-2001-2015-a-systematic-review
#6
Guijun Ning, Xuxia Wang, Dan Wu, Zundong Yin, Yixing Li, Huaqing Wang, Weizhong Yang
BACKGROUND: The aim of this systematic review was to examine the etiology of community-acquired pneumonia (CAP) among Chinese children younger than 5 years and provide evidence for further cost-effectiveness analyses for vaccine development, diagnostic strategies and empirical treatments. METHODS: The literature review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. Data were obtained by searching PubMed, Embase, Web-of Science, and the Chinese databases Wanfang Data and China National Knowledge Infrastructure...
September 18, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28922083/strategies-in-recommending-influenza-vaccination-in-europe-and-us
#7
Caterina Rizzo, Gianni Rezza, Walter Ricciardi
There is potential for influenza vaccine programmes to make a substantial impact on the disease burden. The World Health Organization (WHO) has identified young children, pregnant women, persons with chronic medical conditions, and the elderly as being at risk for severe influenza disease and therefore important groups to be considered for influenza vaccination. Applying the methodology of scoping review of grey and scientific literature we described the European and the US approach to influenza vaccine prevention...
September 18, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28922082/combinatorial-peptide-based-epitope-mapping-from-ebola-virus-dna-vaccines-and-infections-reveals-residue-level-determinants-of-antibody-binding
#8
Daniel R Ripoll, Daniel A J Mitchell, Lesley C Dupuy, Anders Wallqvist, Connie Schmaljohn, Sidhartha Chaudhury
Ebola virus (EBOV) infection is highly lethal and results in severe febrile bleeding disorders that affect humans and non-human primates. One of the therapeutic approaches for treating EBOV infection focus largely on cocktails of monoclonal antibodies (mAbs) that bind to specific regions of the EBOV glycoprotein (GP) and neutralize the virus. Recent structural studies using cryo-electron microscopy have identified key epitopes for several EBOV mAbs. While such information has yielded deep insights into antibody binding, limitations on resolution of these structures often preclude a residue-level analysis of EBOV epitopes...
September 18, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28922054/economic-burden-of-pneumococcal-infections-in-children-under-5%C3%A2-years-of-age
#9
Mehmet Ceyhan, Yasemin Ozsurekci, Kubra Aykac, Basak Hacibedel, Egemen Ozbilgili
The present study aimed to determine the cost of childhood pneumococcal infections under 5 years of age and to provide further data for future health economy studies. Electronic medical records of children diagnosed with meningitis caused by S. pneumoniae and all-cause pneumonia, and acute otitis media (AOM) between January 2013-April 2014 were retrospectively evaluated. Direct costs for the treatments of hospitalized patients (pneumonia and pneumococcal meningitis) including costs of healthcare services consisted of costs of hospital bed, examination, laboratory analyses, scanning methods, consultation, vascular access procedures, and infusion and intravenous treatments...
September 18, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28910563/safety-and-immunogenicity-of-the-killed-bivalent-o1-and-o139-whole-cell-cholera-vaccine-in-the-philippines
#10
Maria Rosario Z Capeding, Maria Liza Antoinette M Gonzales, Mandeep Singh Dhingra, Naveena Aloysia D'cor, Venkat Jayanth Midde, Badri Narayan Patnaik, Yaël Thollot, Eric Desauziers
The killed bivalent (O1 and O139) whole cell oral cholera vaccine (OCV) (Shanchol™) was first licensed in India in 2009 and World Health Organization pre-qualified in 2011. We assessed the safety and immunogenicity of this OCV in the Philippines. This was a phase IV, single-arm, descriptive, open-label study. We recruited 336 participants from two centers: 112 participants in each age group (1-4, 5-14 and ≥15 years). Participants received two OCV doses 14 days apart. Safety was monitored throughout the trial...
September 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28901813/hpv-related-cancer-prevention-through-coalition-building
#11
Eileen Lind, Kelly Welch, Rebecca B Perkins
No abstract text is available yet for this article.
September 13, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28895784/immunotherapy-for-ige-mediated-wheat-allergy
#12
P Pacharn, P Vichyanond
Among various routes of immunotherapy for food allergy, oral immunotherapy (OIT) appears to have a promising result due to its ability to modify abnormal immunologic mechanism of IgE-mediated food allergy. Other methods for immunomodulation such as sublingual (SLIT) or epicutaneous (EPIT) immunotherapy which carry lower rates of systemic reactions, may have less efficacy. Wheat has recently been recognized as a more common cause of food-induced anaphylaxis than previously recognized, especially among young children, around the world...
September 12, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28892455/modeling-specific-antibody-responses-to-natural-immunization-to-predict-a-correlate-of-protection-against-infection-before-commencing-a-clinical-vaccine-trial
#13
Anthony Almudevar, Michael E Pichichero
i) Background: Clinical trials of vaccines for children to prevent acute otitis media (AOM) infections caused by the bacteria Streptococcus pneumonia (Spn) are in Phase I. The objective of this study was to use serum antibody measurements to pneumococcal purified protein candidate antigens that occurred after natural "immunization" to predict a correlate of protection response needed following an injectable vaccine against AOM in children. METHODS: 590 nasal and serum samples were collected from 129 healthy children at 6, 9, 12, 15, 18, 24 and 30-36 months of age and when the child developed AOM...
September 11, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28892414/efficacy-of-recombinant-adenovirus-expressing-a-fusion-gene-from-gm-csf-and-epstein-barr-virus-lmp2a-in-a-mouse-tumor-model
#14
Qingjie Xue, Xiuzheng Li, Chunqing Yang, Bingyuan Ji, Yunqing Li, Yingchun Yan, Xinxin Yang, Chunmei Wang, Ting Chen
In this study, purified GM-CSF and LMP2A mRNAs were amplified by PCR. Then, the GM-CSF and LMP2A sequences were connected by the polypeptide linker (Gly4Ser)3 using gene splicing by overlap extension. The constructed fusion gene GC2A was inserted into the adenovirus vector. Then the recombinant vector was introduced into HEK 293T cells by calcium phosphate transfection to package the adenovirus. The levels of antibodies against the GM-CSF and LMP2Afusion proteins were measured by ELISA, and the CTL activity of the mouse splenic lymphocytes was determined by lactate dehydrogenase (LDH) release assay...
September 11, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28881166/effect-of-combination-vaccines-on-completion-and-compliance-of-childhood-vaccinations-in-the-united-states
#15
Samantha K Kurosky, Keith L Davis, Girishanthy Krishnarajah
2 Vaccination at age-appropriate intervals increases protection against morbidity and mortality; however, compliance rates among children remain low partly due to a complicated vaccination schedule. Use of combination vaccines reduces the number of injections per visit; however, there is limited evidence quantifying the effect of combination vaccines on vaccination rates. To examine how combination vaccines impact childhood completion (receipt of recommended doses) and compliance (receipt of age-appropriate vaccinations) rates, this study analyzed vaccination data from the 2012 National Immunization Survey (NIS), a nationally representative cross-sectional survey of caregivers of children aged 24 to 35 months in the United States...
September 7, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28881165/safety-and-immunogenicity-of-a-13-valent-pneumococcal-conjugate-vaccine-in-adults-50%C3%A2-to-65%C3%A2-years-of-age-in-india-an-open-label-trial
#16
Bhagirath B Solanki, Christine Juergens, Manojkumar B Chopada, Pravin Supe, Vani Sundaraiyer, Natacha Le Dren-Narayanin, Mark W Cutler, William C Gruber, Daniel A Scott, Beate Schmoele-Thoma
Streptococcus pneumoniae infection is a major global public health concern in older adults, especially as life expectancy continues to increase in most countries, including India. Recently, a 13-valent pneumococcal conjugate vaccine (PCV13) with the ability to enhance immunity (immunologic memory) on natural exposure or revaccination has been shown to protect against community-acquired pneumonia and invasive pneumococcal disease in adults 65 years of age and older. An unconjugated 23-valent pneumococcal polysaccharide vaccine has been available for decades; however, data on protection against pneumonia are inconsistent...
September 7, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28881159/patent-trend-and-competitive-analysis-of-cancer-immunotherapy-in-the-united-states
#17
Chia-Lin Pan, Feng-Chi Chen
Immunotherapy has brought high hopes for cancer treatment, and attracted tremendous resources from the biopharmaceutical community. Here we analyze cancer immunotherapy-related patents granted by the United States Patent and Trademark Office in the past decade (2006-2016). A total of 2,229 patents were identified in 13 subfields. The growth of patent number in this field has outpaced the background rate, with cytokine-related therapies, immune checkpoint inhibitors, and natural killer cell therapies growing the most rapidly...
September 7, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28881156/nucleic-acid-based-vaccines-targeting-respiratory-syncytial-virus-delivering-the-goods
#18
Trevor R F Smith, Katherine Schultheis, Kate E Broderick
Respiratory syncytial virus (RSV) is a massive medical burden on a global scale. Infants, children and the elderly represent the vulnerable populations. Currently there is no approved vaccine to protect against the disease. Vaccine development has been hindered by several factors including vaccine enhanced disease (VED) associated with formalin-inactivated RSV vaccines, inability of target populations to raise protective immune responses after vaccination or natural viral infection, and a lack of consensus concerning the most appropriate virus-associated target antigen...
September 7, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28857677/is-seasonal-vaccination-a-contributing-factor-to-the-selection-of-influenza-epidemic-variants
#19
Yong Chong, Hideyuki Ikematsu
Influenza A/H3N2 viruses are the most common and virulent subtypes for humans. Antigenic drift, changes in antigenicity through the accumulation of mutations in the hemagglutinin (HA) gene is chiefly responsible for the continuing circulation of A/H3N2 viruses, resulting in frequent updates of vaccine strains based on new variant analyses. In humans, these drift-related mutations are considered to be primarily caused by the immune pressure elicited by natural infection. Whether or not the immune pressure elicited by vaccination (vaccine pressure) can have a certain effect on drift-related mutations is unclear...
August 31, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28857673/asvac2017-6th-asian-vaccine-conference
#20
Daniel Yam Thiam Goh, Lulu Bravo, E Anthony S Nelson
No abstract text is available yet for this article.
August 31, 2017: Human Vaccines & Immunotherapeutics
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