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Streptococcus Group A clinical trials

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NCT ID: NCT00436891 Completed - Clinical trials for Streptococcus Group A

Streptococcal Infections in Fiji - Prevalence of Group A Streptococcal Pyoderma and Scabies in Infants in Fiji

Start date: February 2007
Phase: N/A
Study type: Observational

Group A streptococcus (GAS) is a bacteria that causes many different sicknesses in children and adults. This study will look at the number of cases of pyoderma (bacterial skin infection) and scabies (skin mites that cause itching) in 550 infants 12 months or younger in Fiji. (GAS can cause pyoderma, and sometimes skin sites infested with scabies can become infected with GAS bacteria.) The study will also look at the makeup of GAS and how certain medications affect GAS. The infants will be involved in the study for approximately 1 week. Their skin will be examined for pyoderma and scabies. A swab sample will be taken from the pyoderma area to test for GAS. The researchers hope to see how often these skin infections occur and how they affect the Fijian population. The information will help the researchers to develop better treatment and possibly a vaccine to prevent infection. Infants with pyoderma that is defined as "greater than mild" will be referred for treatment.

NCT ID: NCT00307112 Recruiting - Clinical trials for Streptococcus Group A

Rheumatic Heart Disease Prevalence in Leon, Nicaragua

Start date: August 2006
Phase: N/A
Study type: Observational

A bacterium called Group A Steptoccoccus or "strep" is commonly found in the nose and throat of healthy adults and children and can cause a variety of illnesses. If this bacterium infects another part of the body one or more times, children may get Rheumatic heart disease (RHD). The purpose of this community based study is to see how many children between 5-15 years of age have RHD in Leon, Nicaragua. The study will also help to determine if the usual methods of detecting this disease are working. Researchers hope that this study will help to develop vaccines that may prevent "strep" infections to Nicaragua and other parts of the world. About 3,600 children will take part in the study. The children will participate for a minimum of 1 day and have a 6 month follow-up visit if they are identified as possible or probable RHD cases. Study procedures will include clinical exams and echocardiograms to determine the presence of RHD.

NCT ID: NCT00305123 Completed - Clinical trials for Streptococcus Group A

Molecular Epidemiology of Streptococcus Pyogenes Among Children in Bamako, Mali

Start date: April 2006
Phase: N/A
Study type: Observational

The purpose of this study is to learn more about sore throats caused by the germ Group A Streptococcus (GAS) or "Strep". When "Strep" causes a sore throat, it can be treated with medicines called antibiotics. However, if not treated, it can lead to heart problems and other serious diseases. This study will identify the different types of "Strep" that are present in children with sore throats. Researchers will check children with sore throats at least twice weekly among a group of approximately 12,000 children. Study participants will include children, ages 5-16, attending the public elementary schools in Djikoroni-Sébénikoro, a low income community in Bamako, Mali. Throat swabs will be obtained and free treatment is available when a child enrolled in the group complains of a sore throat. The information from this study may help make a vaccine to prevent "Strep" infection in Malian children. Children may participate for the 3 year duration of the study.

NCT ID: NCT00284882 Completed - Clinical trials for Streptococcus Group A

Incidence of Group A Strep Pharyngitis in School Children in Fiji

Start date: January 2006
Phase: N/A
Study type: Observational

The purpose of this study is to find out how often group A Streptococcus (GAS) occurs in school-age children of Central Fiji. This bacterium often causes pharyngitis (sore throat) and can also cause pyoderma (skin infection) or scabies. Approximately 1000 children ages 5-14 years will be enrolled from 4 primary schools in Central Fiji. These children will have throat swabs performed to determine how commonly GAS occurs. Over the next 10 months, children in this group who complain of sore throat will be examined and have throat swabs to determine if GAS is the cause. A subset of 600 children will be examined for pyoderma and scabies and have throat swabs every 2 months during the 10 month study. In addition, a small amount of blood will be drawn at 0, 6, and 10 months to determine the level of antibodies to Streptococcus.

NCT ID: NCT00284843 Completed - Clinical trials for Streptococcus Group A

Prevalence of RHD, Pyoderma and Scabies in Children in Fiji

Start date: January 2006
Phase: N/A
Study type: Observational

The purpose of this study is to estimate the number of cases of rheumatic heart disease, pyoderma, and scabies in school age children in Fiji. In addition the study will describe the features of rheumatic heart disease, pyoderma, and scabies in these children. Study participants will include 5200 primary school children, ages 5-14, from 21 primary schools in the Central Division of Fiji. These children will be examined for pyoderma, scabies, and the doctor will listen to their heart with a stethoscope. Any child that has a heart murmur detected will have their heart looked at through an echocardiogram test (uses sound waves to create a picture of how the heart is working). Any child that is found to have rheumatic heart disease will be referred to a pediatric cardiologist for further evaluation. Participants will be involved in the study for about 2 days.

NCT ID: NCT00264784 Completed - Clinical trials for Streptococcus Group A

GAS Epi Study to Measure Age-Related Antibody Titers to J8 Vaccine

Start date: December 2005
Phase: N/A
Study type: Observational

The purpose of this ongoing study (Part V) is to evaluate the cause, distribution, control, and results of group A streptococcus infections (GAS) in Fiji. Patients of all ages presenting to the Colonial War Memorial Hospital, Suva, Fiji and patients donating blood to the Colonial War Memorial Hospital, Suva, Fiji may participate. Subject duration is less than one day. This study may help to develop a vaccine that will prevent group A streptococcal infections.

NCT ID: NCT00264771 Completed - Clinical trials for Streptococcus Group A

Hospital Based Incidence of Group A Streptococcal Disease in Fiji

Start date: December 2005
Phase: N/A
Study type: Observational

The purpose of this ongoing study (Part II) is to estimate the incidence of acute rheumatic fever, rheumatic heart disease, acute post-streptococcal glomerulonephritis (kidney disease), and invasive group A streptococcal (GAS) disease (strep infection) in Fiji to help develop better treatments and vaccines. Group A streptococcal disease is caused by the bacterium group A streptococcus. It is commonly found in the nose and throat of normal healthy adults and children, and can cause illness. The bacterium is spread by close contact with patients or carriers, through things like coughing, sneezing, kissing, or sharing a drink and can cause a wide variety of illnesses. These illnesses may be a sore throat, skin sores, and less commonly acute rheumatic fever or kidney disease. Participants of all ages will be recruited through the Colonial War Memorial and Lautoka Hospital. A blood sample will be collected from each study participant. Subject participation should be less than one day.

NCT ID: NCT00170521 Terminated - Clinical trials for Streptococcus Group A

Mol Epi GrAS in Nicaragua

Start date: August 2006
Phase: N/A
Study type: Observational

The purpose of this study is to determine the epidemiology of throat isolates of group A streptococci among 3-15 year-old children with pharyngitis (sore throat) living in Leon, Nicaragua.