Evaluation of a Booster Dose of Pneumococcal Vaccine Formulations in Young Adults

Inclusion criteria

• Subjects who the investigator believes will comply with the requirements of the protocol should be enrolled in the study.
• A male or female between, and including, 18 and 41 years old at the time of vaccination.
• Subjects who previously participated in the study NCT00707798 and received one of the two investigational GSK2189242A vaccine formulations during the primary study.
• Written informed consent obtained from the subject.
• Free of obvious health problems as established by medical history, clinical examination and clinical laboratory assessment before entering into the study.
• Female subjects of non-childbearing potential (defined as pre-menarche, current tubal ligation, hysterectomy, ovariectomy or post-menopause) may be enrolled in the study.
• Female subjects of childbearing potential may be enrolled in the study, if the subject:

• has practiced adequate contraception for 30 days prior to vaccination, and
• has a negative pregnancy test on the day of vaccination, and
• has agreed to continue adequate contraception during the entire treatment period and for 2 months after vaccination.

Exclusion criteria

• Use of any investigational or non-registered product (drug or vaccine) other than the study vaccines within 30 days preceding the vaccination, or planned use during the study period.
• Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to vaccination.
• Planned administration/administration of a vaccine not foreseen by the study protocol during the period starting 30 days prior to the vaccination and ending one month (minimum 30 days) after vaccination.
• Administration of any pneumococcal vaccine other than the study vaccine during the period between end of study NCT00707798 and study vaccination.
• Bacterial pneumonia within the period between end of study NCT00707798 and study vaccination.
• Invasive pneumococcal disease (IPD) within the period between end of study NCT00707798 and study vaccination.
• Any confirmed or suspected immunosuppressive or immunodeficient condition, including human immunodeficiency virus (HIV) infection (no laboratory testing required).
• History of thrombocytopenia or bleeding disorder.
• Anaphylactic reaction following the previous administration of the vaccine or history of reactions or allergic disease likely to be exacerbated by any component of the vaccine.
• Current serious neurologic or mental disorders.
• Inflammatory processes such as known chronic active infections (e.g. Hepatitis B, C).
• All past or current malignancies (excluding non-melanic skin cancer) and lymphoproliferative disorders.
• Acute disease at the time of enrolment/vaccination.
• Fever at the time of vaccination. Fever is defined as temperature >= 37.5°C on oral setting.
• Physical examination positive for acrocyanosis, jaundice, splenomegaly.
• Acute or chronic, clinically significant anaemia, pulmonary, cardiovascular, hematologic, hepatic or renal functional abnormality, as determined by physical examination or laboratory screening tests, at the discretion of the investigator
• Administration of immunoglobulins and/or any blood products within the three months preceding vaccination or planned administration during the study period.
• Pregnant or lactating female.
• Female planning to become pregnant or planning to discontinue contraceptive precautions.
• History of chronic alcohol consumption and/or drug abuse.
• Other conditions that the principal investigator judges may interfere with study findings.