Primary Vaccination Study With a Pneumococcal Conjugate Vaccine in Healthy Children 6 to 10 Weeks of Age

Primary Vaccination Course in Healthy Children Receiving the Pneumococcal Vaccine GSK 1024850A Co-administered With Tritanrix™-HepB/Hib at 6, 10 and 14 Weeks of Age

The purpose of this study is to assess the immunogenicity in terms of antibody response and the safety/reactogenicity in terms of solicited and unsolicited symptoms and serious adverse events following primary vaccination of Indian infants with pneumococcal conjugate vaccine GSK1024850A co-administered with a diphtheria, tetanus, whole cell pertussis (DTPw)-combined vaccine during the first 4 months of life. The study will be conducted in India.

Inclusion Criteria:

• Male or female subjects between, and including 6-10 weeks of age at the time of the first vaccination.
• Subjects for whom the investigator believes that their parent(s)/guardian(s) can and will comply with the requirements of the protocol.
• Written or oral, signed or thumb-printed informed consent obtained from the parent(s)/guardian(s) of the child/ward. Where parent(s)/guardian(s) are illiterate, the consent form will be countersigned by a witness.
• Free of any known or suspected health problems (as established by medical history and clinical examination before entering into the study).

Exclusion Criteria:

• Use of any investigational or non-registered product (drug or vaccine) other than the study vaccines within 30 days preceding the first dose of the 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 product (pharmaceutical product or device).
• Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs since birth.
• A family history of congenital or hereditary immunodeficiency.
• Any confirmed or suspected immunosuppressive or immunodeficient condition based on medical history and physical examination.
• Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period (with the exception of hepatitis B immunoglobulins at birth).
• Previous vaccination against diphtheria, tetanus, pertussis, hepatitis B, Haemophilus influenzae type b and/or Streptococcus pneumoniae (with the exception of hepatitis B vaccination at birth or at least 30 days before the subject's first study visit).
• History of, or intercurrent, diphtheria, tetanus, pertussis, hepatitis B, Streptococcus and Haemophilus influenzae type b disease.
• History of allergic disease or reactions likely to be exacerbated by any component of the vaccines.
• History of any neurological disorders or seizures.
• Major congenital defects or serious chronic illness.
• Acute disease at the time of enrolment.
• Babies for which birth weight is < 2 kilogram.