Study to Evaluate the Response Rate to the Licensed Pneumovax 23™ in Elderly Population. (NCT00307008) | Clinical Trial Compass
CompletedPhase 2
Study to Evaluate the Response Rate to the Licensed Pneumovax 23™ in Elderly Population.
Sweden1,198 participantsStarted 2003-10
Plain-language summary
Streptococcus pneumoniae are bacteria which normally live in the upper respiratory tract of humans. However, these bacteria can also cause severe infectious diseases such as pneumonia, septicemia and meningitis. Elderly subjects are especially vulnerable to these infections, and the diseases can result in death. The currently available licensed Streptococcus pneumoniae vaccine is recommended for prevention of pneumococcal diseases in individuals over the age of 65. However, the antibody level elicited by this vaccine, is not always satisfactory in elderly people. To overcome the problem, GlaxoSmithKline Biologicals is currently developing candidate vaccines that are hoped to work better than the currently available vaccines. As a first step in this development, the present study is being conducted in order to evaluate the immune response to the currently marketed vaccine.
Who can participate
Age range65 Years
SexALL
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Inclusion criteria
* Subjects who the investigator believes will comply with the requirements of the protocol.
* A male or female \>= 65 years at the time of the first vaccination.
* Written informed consent obtained from the subject.
Exclusion criteria
* Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding the first dose of study vaccine, or planned use during the study period or participation to another pharmaceutical/vaccine study.
* Previous vaccination against Streptococcus pneumoniae.
* History of administration of an experimental vaccine containing MPL or QS21.
* History of allergic disease or reactions likely to be exacerbated by any component of the vaccine.
* Planned administration of a vaccine not foreseen by the study protocol within 2 weeks before and after first dose of vaccines, excluding influenza vaccine which can be administered at any time, including co-administration with Pneumovax23™.
* Chronic administration of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose.
* Any confirmed or suspected immunosuppressive or immunodeficient condition, including human immunodeficiency virus (HIV) infection.
* Current serious neurologic or mental disorders.
* Inflammatory processes such as known chronic active infections (e.g.Hep B, C).
* All malignancies (excluding non-melanic skin cancer) and lymphoproliferative disorders diagnosed or treated…