View clinical trials related to Measles.
Filter by:Measles is a preventable infectious viral disease. Since 1985, India has been administering a single dose of measles vaccine to all infants at 9 months of age. This age was chosen to balance the disappearance of maternal (transplacental) antibodies with the increasing risk of developing measles. Thus infants are expected to get protection against measles by acquired maternal measles antibodies derived trans-placentally from the mother for the first 9 months of life. Thereafter vaccine-induced antibodies are expected to protect infants. Seroconversion after measles vaccination does not take place as long as maternal measles antibodies persist in the infant. However, it is widely recognized that a substantial proportion of measles infection (10 to 15%) can occur among infants before the age of measles vaccination. Further, two small cohort studies done in our institution confirm that the majority of infants lose maternal antibodies by six months of age, making them susceptible to measles.This argues strongly for anticipating measles vaccination to an earlier age. However, such early vaccination has the risk that residual maternal antibodies (even if insufficient to protect infants) can neutralize the antigen in the vaccine, rendering vaccination ineffective. Therefore, a careful balance has to be chosen so that low levels of circulating maternal antibodies do not interfere with infants' response to vaccination. However, there is no prospective study in Indian infants to determine the seroconversion and sero-protection rate of earlier vaccination. This study has following aims and objectives: 1. To study the level of measles specific immunoglobulin G (IgG) antibodies in a cohort of term infants followed from birth to 9 months of age; and the pattern of antibody decline in them. 2. To compare the levels of antibodies in infants at these time points and correlate the levels with the antibody level in the respective mothers at the time of delivery. 3. To compare the efficacy and safety of three different measles vaccination schedules in a cohort of term infants viz (i) vaccination at 9 months of age (current practice), (ii) vaccination at 7.5 months and 9 months of age, and (iii) vaccination at 6 months and 9 months of age.
This study will evaluate the immunogenicity and safety of Beijing Tiantan's MMR vaccine in subjects 18 months of age and older. The MMR vaccine may be administered as a second dose to 4-6 year-old persons with one dose immunization with MMR vaccine or as a first dose to 18 month-old subjects with one dose immunization with measles-rubella(MR).
Measles and rubella are highly contagious acute viral diseases. As per WHO, several evidences demonstrate the benefit for providing the universal access to vaccines containing measles and rubella antigens, mainly due to, respectively, mortality in children and malformations in fetuses. This is a Phase I-III, Controlled, randomized and double blind for the evaluation double viral vaccine anti-measles and rubella (MR), which is developed and produced at Instituto de Tecnologia em Imunobiologicos Bio-Manguinhos/Fiocruz, in Brazil, for use in human beings. 432 eligible volunteers (11-month-old infants), will be vaccinated and monitored for local and systemic adverse events and titration of antibodies. The study will last 11 months in total.
This is an open-label, randomized, 2-arm clinical trial in healthy infants in Bangladesh. The primary purpose of the study is to assess the immunogenicity of measles-rubella (MR) vaccine when delivered at 6 months. In addition, the study will establish the equality of MR vaccine seroconversion administered at 9 months following administration of an earlier MR vaccine dose at 6 months of age compared to MR vaccine dose administered at 9 months without previous MR vaccination. This study will also provide additional data on safety and tolerance of MR vaccine given at 6 months, and impact of maternal antibodies on immunogenicity of MR vaccine at 6 months. - Primary objectives: 1. To assess immunogenicity of MR vaccine at 6 months of age 2. To assess immunogenicity of MR vaccine at 9 months of age among children without prior measles and rubella vaccination, compared with MR vaccine immunogenicity among those who had a prior MR vaccination at 6 months of age - Secondary objectives 1. To assess the frequency of adverse reactions following administration of MR vaccine at 6 months 2. To compare the immunogenicity of the MR vaccine first dose administered at 6 months vs at 9 months. 3. To assess the proportion of mothers with undetectable, detectable and protective levels of measles and rubella antibodies 4. To determine the extent of variation in measles antibodies in women of child bearing age in a population with a long standing measles vaccination program 5. To determine the extent of variation in rubella antibodies in women of child bearing age in a population where rubella vaccine have been recently introduced 6. To determine if variation in antibody levels in infants at 6 months is predominately explained by variation in starting antibody levels in the mother in this population 7. To estimate the half-life of decay of measles and rubella antibodies in infants
This study is a randomized, double-blinded, Phase 1, placebo- controlled, and dose comparison trial to evaluate the safety, immunogenicity and schedule of MV-CHIK. Two dosage levels and 3 immunization schedules will be evaluated. This study will enroll up to 180 healthy subjects aged 18 to 45 years.Study duration is approximately 22 months. Subject participation duration is approximately 8-13 months. The primary objectives are to evaluate the safety and tolerability of 5 x 10^4 TCID50 and 5 x 10^5 TCID50 MV-CHIK and placebo following two consecutive intramuscular injections and to assess the CHIKV serum plaque reduction neutralization test (PRNT50) antibody responses to 5 x 10^4 TCID50, 5 x 10^5 TCID50 of MV-CHIK or placebo on day 29 following the first dose.
This is a three arm Phase I study within the Pacific Pediatric Neuro-Oncology Consortium (PNOC). This study will look to determine the safety and recommended phase 2 dose of the modified measles virus (MV-NIS) in children and young adults with recurrent medulloblastoma or atypical teratoid rhabdoid tumor (ATRT).
This study evaluates the non-specific effects on child mortality and morbidity of a second dose of measles in the second year of life. Half of the study participants will receive a second dose of measles vaccine at 18 months of age while the other half will receive a second dose of measles by 4 years of age or at the end of the study.
This a Phase 1 study designed to determine the maximum tolerated dose (MTD) and toxicity of attenuated Measles virus (MV-NIS) combined with Atezolizumab in patients with recurrent and metastatic NSCLC.
The overall objective is to test the impact of short message service (SMS) reminders, with or without unconditionally provided mobile-money incentives, can improve measles vaccination coverage in rural western Kenyan infants.
This study aims to provide evidence that co-administration of measles-mumps-rubella vaccine (MMR) and live attenuated SA 14-14-2 Japanese encephalitis vaccine (CD-JEV) does not adversely affect immunogenicity or safety.