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NCT05060146
In France, Streptococcus pneumoniae is the leading agent bacterial involved in community lung disease and meningitis. The frequency of these infections and their mortality increase significantly in those at risk such as patients with certain chronic diseases, immunocompromised or on immunosuppressive therapy. This population, despite regular monitoring, has a limited pneumococcal vaccine coverage of around 20%. By carrying out a reconciliation of treatments upon admission to hospital, the clinical pharmacist can detect those without up to date pneumococcal vaccination status. The goal of this management is to make the patient aware of the need for vaccination and organization upon return home. Thus, this limited pneumococcal vaccination coverage would benefit from intervention by regional clinical pharmacy activities. The study investigators want to study the impact of a structured medico-pharmaceutical collaboration on pneumococcal vaccination of patients with risk on discharge from hospital. The investigators hypothesize that this collaboration in patients at risk of infection with pneumococcus could significantly increase their anti-pneumococcal vaccination coverage
NCT06817187
This clinical study aims to evaluate the mutual influence of combined administration of 15-Valent Pneumococcal Conjugate Vaccine and Diphtheria, Tetanus, Pertussis Vaccine in the target population
NCT05681156
Beta trial to evaluate the preliminary clinical performance of the Curian S. pneumo/Legionella assay for its use in the qualitative detection of Streptococcus pneumoniae and/or Legionella pneumophila serogroup 1 antigens in human urine specimens.
NCT05759520
This study is a phase III clinical trial to evaluate the immunogenicity and safety of the 13-valent pneumococcal conjugate vaccine (multivalent conjugate) in infants aged 2 months (at least 6 weeks) and 3 months. The main objectives of the study include: 1. To evaluate the immunogenicity of the trial vaccine in infants aged 2 months (at least 6 weeks) following the corresponding immunization schedule compared to the control vaccine; 2. To evaluate the immunogenicity of the trial vaccine in infants aged 3 months following the corresponding immunization schedule compared to the 2-month group; 3. To evaluate the safety of the trial vaccine in infants aged 2 months (at least 6 weeks) and 3 months following the corresponding immunization schedule.
NCT03696303
This prospective case-control study aims to evaluate the utility and establish laboratory thresholds for a multi-serotype urine antigen test for the diagnosis of pneumococcal community acquired pneumonia in children 5 years of age or younger in Guatemala.
NCT04944719
Streptococcus pneumoniae (pneumococcus) is a commensal bacterium, often isolated in the nasopharynx of preschool children and older adults with weakened immune systems, a pathogen that remains the leading cause of Community-Acquired Pneumonia (CAP) and invasive pneumococcal disease (IPD) such as Sepsis and Meningitis. CAP is the sixth leading cause of overall mortality and the first cause of infectious disease in Colombia and the world (Montúfar et al, 2013; GBD, 2016; WHO, 2018), and both its incidence and prevalence have remained stable over the past 3 decades. Likewise, CAP due to S. pnemoniae is the most common cause of lower respiratory tract infections in humans worldwide and is associated with high morbidity and mortality in patients who suffer from it. Pneumococcus frequently colonizes the nasopharynx of children and adults and, therefore, this condition has been postulated as a risk factor for the development of CAP. There are reports of the effect of nasopharyngeal colonization in infants, but the implications of this colonization in adults, especially adults with chronic comorbidities, are not known. Additionally, several studies point to a relationship between pathogenicity, colonization capacity, and disease severity according to the infecting pneumococcal serotype. Therefore, it is not known which pneumococcal serotypes are most frequently colonized by adults with chronic diseases (cardiovascular disease (CVD), chronic obstructive pulmonary disease (COPD), renal disease (RHD), rheumatological disease (MDR), Diabetes Mellitus (DM), among others) and the potential clinical implications of this colonization. For these reasons, this research aims to study the phenomenon of colonization by pneumococcus in patients with chronic diseases for the development of CAP, and the relationship between the virulence genes of different serotypes and the outcome in invasive pneumococcal disease (IPD). This study is based on real evidence (from clinical practice) and translational medicine, is prospective-observational, multicenter and cohort type in consecutive patients. Thus, in a first phase the clinical observation of the subjects will be carried out, a second phase of follow-up and sampling in the patients, and a third phase of molecular analysis.
NCT03102840
Streptococcus pneumoniae is a type of bacteria that is carried (lives) in the nose of most individuals and can sometimes go on to cause severe infections such as meningitis and pneumonia. There are over 100 types of pneumococcus, and children in the UK have been routinely immunized against pneumococcal disease since 2006. A vaccine against 13 types of pneumococcus (PCV 13) was introduced into the UK in 2010, replacing a previous version that prevented 7 types. Pneumococcal carriage in the Thames Valley region has been studied over the last 7 years with carriage rates having been shown to be reflective of potential severe pneumococcal disease and hence vaccine effect. The main purpose of this study is to see whether the pneumococcal immunization program has changed the frequency and nature of pneumococcal bacteria carried by children, as this may give a clue as to what changes in pneumococcal disease are likely to be seen in the future. In addition, this study is especially timely given the possibility of a change in the PCV 13 immunization schedule that is currently being assessed in the 'Sched3' Immunization study (NCT02482636). Obtaining accurate baseline data will be important in informing the interpretation of any subsequent data on carriage rates obtained following introduction of the new schedule. This study will enrol up to 1600 children aged 13 to 48 months living in the Thames Valley and South Midlands and which have had three doses of 13-valent pneumococcal conjugate vaccine. In addition, up to 800, 6-12 month old children who have received a priming dose of PCV13 will be recruited. The study consists of one visit done at a convenient venue (GP surgeries, educational/ play settings, or home) where a single nasal swab and an optional finger-prick blood sample for a sub-set of 632 participants, will be performed. No additional follow-up is needed. The study recruitment period will be from 2017 onwards.
NCT01446926
This study is designed to explore the safety and tolerability of an investigational pneumococcal vaccine through a step-down enrollment. Primary Objective: * To evaluate the safety and tolerability of an investigational pneumococcal vaccine. Secondary Objective: * To evaluate the immunogenicity of an investigational pneumococcal vaccine.
NCT00471822
Primary Objective: Evaluation of the \- Carriage rate of Streptococcus pneumoniae in the nasopharynx of children Secondary Objective: * Carriage rate and distribution of Streptococcus pneumoniae serotypes * Estimation of prevalence rate of antibiotic-resistant Streptococcus pneumoniae strains * Distribution of Staphylococcus aureus strain * The influence of risk factors in the Streptococcus pneumoniae carriage rate in children