Safety, Reactogenicity and Immunogenicity of GlaxoSmithKline (GSK) Biologicals' Non-typeable Haemophilus Influenzae (NTHI) Vaccine

Inclusion criteria

• Subjects who, in the opinion of the investigator, can and will comply with the requirements of the protocol.
• Written informed consent obtained from the subject.
• A male or female between, and including, 18 and 40 years of age at the time of the first vaccination.
• Healthy subjects as established by medical history, physical examination and laboratory assessment before entering into the study.
• Female subjects of non-childbearing potential 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 completion of the vaccination series.

Exclusion criteria

• Use of any investigational or non-registered product other than the study vaccines within 30 days preceding the first dose of study vaccines, or planned use during the study period.
• Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational vaccine/product.
• Planned administration/administration of a vaccine/product not foreseen by the study protocol in the period starting 30 days before the first vaccine dose and ending 30 days after the last dose of vaccines.
• Previous vaccination with a vaccine containing NTHi antigens.
• Chronic administration of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose, or equivalent. Topical steroids are allowed.
• Administration of immunoglobulins and/or any blood products within the 3 months preceding the first dose of study vaccines or planned administration during the study period.
• Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination.
• Laboratory evidence of clinically significant haematological (complete blood cell count [Red Blood Cells (RBC), White Blood Cells (WBC)], WBC differential count, platelets count and haemoglobin level) and biochemical (Alanine Aminotransferase [ALT], Aspartate Aminotransferase [AST], creatinine and lactate dehydrogenase [LDH]) abnormalities as per the opinion of the investigator based on the local laboratory normative data.
• Acute disease and/or fever at the time of enrolment.
• Acute or chronic, clinically significant pulmonary, cardiovascular, hepatic or renal functional abnormality, as determined by physical examination or laboratory screening tests.
• History of or current condition preventing intramuscular injection as bleeding or coagulation disorder.
• Malignancies within previous 5 years (excluding non-melanic skin cancer) and lymphoproliferative disorders.
• Pregnant or lactating female.
• Female planning to become pregnant or planning to discontinue contraceptive precautions.
• History of chronic alcohol consumption and/or drug abuse.
• Any other condition that the investigator judges may interfere with study findings.