View clinical trials related to Meningitis.
Filter by:This study aims to evaluate the immunogenicity, safety and tolerability of co-administration of vaccinations for meningitis B (Bexsero®) and meningitis ACWY (Menveo®) in adults and children aged 10-45 years living with HIV. All participants will be vaccinated with both Menveo® and Bexsero® on days 0 and 30. Immunogenicity will be determined on venous blood sampled at days 0 and 60. Adverse effects will be recorded to evaluate safety.
Neisseria meningitidis is a 'bad bacteria' which lives harmlessly in the nose and throat of many young adults (a process called colonisation). However, it can occasionally cause serious disease including meningitis. Vaccines have proven effective in preventing disease associated with a number of strains of this bacterium, however some disease-causing strains are not covered by currently available vaccines. This research is focused on exploring new approaches to preventing colonisation and disease caused by this bacterium. Neisseria lactamica is a 'good bacteria' that colonises the nose and throat of young children. It does not cause disease in healthy people. In a previous study it has been demonstrated that the introduction of Neisseria lactamica into the noses of healthy adult volunteers resulted in a significant decrease in Neisseria meningitidis colonisation. However, it is not yet understood why this effect occurs. One theory is that the immune response the body mounts in response to colonisation with the 'good bacteria' cross-reacts with the 'bad bacteria' and in so doing eradicates the bad bacteria from the nose and throat. This study aims to outline the nature of the immune responses mounted in response to colonisation with the good bacteria, N. lactamica, after introducing it into the noses of healthy adult volunteers. In addition, the study aims to establish how the introduction of the good bacteria changes the other bacterial populations that live in the nose and throat.
This study is part of a research programme that aims to improve ways of protecting people from serious illnesses such as meningitis and sepsis caused by a bacterium called Neisseria meningitidis (N. meningitidis), using a closely related but harmless bacterium called Neisseria lactamica (N. lactamica). Investigators have previously given nose drops containing N. lactamica to over 350 volunteers - this is known as inoculation. In these studies the investigators have shown that they can cause colonisation of many inoculated volunteers (35-60%) with N. lactamica. Colonisation is when bacteria survive on or in a person without causing any illness or disease. N. lactamica specifically colonises the nose and throat. Investigators have also shown that colonisation with N. lactamica results in an immune (antibody) response. In this study investigators will be using a genetically modified version of N. lactamica which contains a single gene from N. meningitides. It is anticipated that the presence of this gene will change the number of people who are colonised and how long people remain colonised for, as well as causing them to produce an immune response to N. meningitides. The purpose of this study are to prove that inoculation with this modified N. lactamica does not cause any symptoms or illness, and to analyse the immune response produced in healthy volunteers.
Purulent meningitis are life-threatening diseases in childhood. Cerebral vasculitis have been described in bacterial meningitis, but poor is known about their physiology and their impact on outcome. The investigators decide to realize a retrospective mono-centric study carried out at Montpellier university hospital which looks back at a 7-year study(2009-2016). The Investigators selected purulent meningitis cases based on the bacteriological data provided by the HDB (hospital data base). The Investigators divides in two groups : Group A if patients present a cerebral vasculitis ( radiologic diagnostic by RMI or tomodensitometry), in all, cases the diagnosis of vasculitis was confirmed by a radiologist specialised in neuropaediatrics by a second reading;Group B purulent meningitis with a cerebral vasculitis imaging. Tuberculous meningitis, meningitis in CSF shunt, and in patients having chemotherapy were excluded. The investigators report clinical and biological finding, inflammatory marker at the onset. The Investigators register also the clinical evolution and sequelae
The purpose of the current study is to evaluate whether there is immune interference when MenABCWY [consisting of MenACWY lyophilized component and rMenB+OMV NZ (Bexsero) liquid component] is administered to healthy adolescents and adults following a 2-dose vaccination schedule with MenABCWY administered 2 months apart.
This study is part of a project that aims to develop a vaccine with N. lactamica that prevents meningitis. The investigators have previously given nose drops containing N. lactamica to over 340 volunteers, and shown that many of the volunteers (35-60%) become colonised without causing any illness or disease. In the future the investigators would like to modify N. lactamica so that it can carry vaccine molecules into the nose of children. To do this the investigators need to know more about the immune response generated against N. lactamica. Previously the investigators have shown that inoculation resulted in an immune (antibody) response in volunteers who were colonised. Taking an antibiotic called ciprofloxacin will treat N.lactamica in the nose and throat of the volunteers. The investigators need to know if the immune response to N. lactamica is the same when colonised volunteers are treated with the antibiotic after 4 days, is the same if the investigators treat volunteers after 14 days of carriage. This information will inform future studies.
Tuberculosis meningitis (TBM) is the most severe manifestation of TB, resulting in death or neurological disability in up to 50% of affected patients, despite antibacterial treatment. This TBM treatment follows the model for pulmonary TB by using the same first-line TB drugs (a combination of rifampicin, isoniazid, pyrazinamide and ethambutol) and the same dosing guidelines, although it is known that penetration of two of these drugs (rifampicin and ethambutol) into cerebrospinal fluid (CSF) is limited. Improvement of treatment of TBM is urgently needed. To do so, a combination of two interventions will be investigated in this study. A series of phase II clinical trials on higher doses of the pivotal TB drug rifampicin in Indonesian patients with TBM have shown that the dose of rifampicin can be increased from 10 mg/kg orally (standard dose) up to 30 mg/kg orally, resulting in a strong increase in exposure to this drug in plasma and CSF, no increase in grade III or IV adverse effects, and a reduction in mortality. Similarly, higher doses of rifampicin up to 35 mg/kg resulted in strong increases in plasma concentrations; the doses were well tolerated and reduced time to sputum conversion in African pulmonary TB patients. Next to a higher dose of rifampicin, the approved antibacterial drug linezolid seems a good candidate for a new TBM regimen. The drug penetrates well into the CSF and is applied successfully against other central nervous system (CNS) infections (e.g. caused by penicillin-nonsusceptible Streptococcus pneumoniae, vancomycin-resistant enterococci and methicillin-resistant Staphylococcus aureus). In a study in China, linezolid in a dose of 600 mg BID orally strongly increased recovery of patients with TBM response. Linezolid is also being investigated as a new drug for (drug-resistant) pulmonary TB in numerous studies, in a dose of 1200 mg once daily. More severe adverse effects to this drug typically occur only after prolonged treatment during several months, not during short-term treatment. Overall, linezolid is expected to be a promising and tolerable candidate for a new intensified TBM treatment regimen consisting of a backbone of high dose rifampicin plus linezolid.
Next Generation Sequencing is capable of sequencing millions of small strands of DNA from a single blood sample, potentially improving its sensitivity compared to PCR testing, which only detects predetermined larger strands of DNA. We will test the ability of NGS to detect Borrelia burgdorferi DNA in the blood of pediatric patients with Lyme disease. We will conduct an observational study of NGS testing on pediatric patients at all stages of Lyme disease. Study involvement will require a single study visit for clinical data collection and blood draw. We will enroll patients at all phases of suspected Lyme disease, collect clinically relevant information, and test for Lyme disease using Next Generation Sequencing and standard Lyme serologic testing. If the patient has multiple erythema migrans, Lyme meningitis, facial nerve palsy, arthritis, or carditis, a B. burgdorferi serum PCR will also be sent. Enrollment and Next Generation Sequencing blood draw will occur before or up to 24 hours after the first dose of antibiotics is administered. We will also study the impact of antibiotics on NGS testing by running the test 6-24 hours after antibiotics are started among a small subset of patients with a multiple erythema migrans rash. Collected data will be analyzed with basic descriptive statistics.
Neonatal bacterial meningitis (BM) is a devastating infection that occurs more commonly in neonates than in any other age group, and is associated with significant morbidity and mortality, especially in developing countries. In this study, we aimed to develop a clinical risk score model, according to the available clinical syndromes and commonly laboratory tests, for screening BM among full-term neonates in a large-scale retrospective cohort, and prospectively validated the risk score in multicenter cohort.
The purpose of this study was to collect large volumes of matched pairs of pre- and post-vaccination sera from healthy subjects who administered GlaxoSmithKline (GSK) Biologicals' vaccine against meningitis- MenACWY vaccine (Menveo) or rMenB+OMV NZ vaccine (Bexsero), which serves for the development, qualification, validation, and maintenance of immunological assays which supports the preclinical research activities and clinical development of GSK Biologicals' vaccines. The safety of the subjects given one of the two vaccines (Bexsero or Menveo), as per the recommended dosage and schedule were assessed during their participation in the study.