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A study comparing the effect of various schedules of the 7-valent licensed CRM197 - conjugated pneumococcal vaccine (Prevnar®) on carriage of Streptococcus pneumoniae in infants and toddlers

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN28445844
Enrollment
730
Registered
2005-09-01
Start date
2005-07-21
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy children Infections and Infestations Vaccination

Interventions

Group A-D will be randomized using a random number table 1. Group A (n = 175) - will receive the vaccine at 2, 4, 6 and 12 months (The 'Classical' Group) 2. Group B (n = 175) - will receive the vaccin

Sponsors

Individual Sponsor (Israel)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age: Groups A, B, C, D: 2 m +/- 3 weeks Group E: 18 m +/- 1 m 2. Males or females 3. On time for routine immunization 4. For group E: Received previously 4 doses of Diphtheria, Tetanus, Pertussis (DTP), Haemophilus influenzae type b (Hib) and inactivated polio vaccine (IPV) 5. The parents and legal guardians must understand and be able, willing and likely to fully comply with the study procedures and restrictions 6. The parents and legal guardians must provide written informed consent 7. Patient must be healthy during vaccination procedure

Exclusion criteria

Exclusion criteria: 1. Prematurity of less than 35 weeks 2. Acute disease at the time of enrollment. Acute disease is defined as the presence of a moderate or severe illness with or without a fever. Study vaccines can be administered to persons with a minor illness such as diarrhea or mild upper respiratory infection (URI) without fever (rectal temperature 38.0 °C/100.4 °F prior to any injection 4. Any clinically important congenital abnormality, any inherited disorder of the metabolism 5. Thrombocytonpenia or any coagulation disorder that would contraindicate intramuscular (im) injection 6. Prior receipt of a licensed or investigational pneumococcal vaccine 7. Chronic (defined as more than 14 consecutive days) use of immunosuppressants or other immune-modifying drugs. For corticosteroids, this is defined as daily systemic therapy with prednisone or its equivalent at a dose of =2 mg/day. 8. Known or suspected allergy to any constituent of either product administered in the study 9. Known or suspected intolerance of hypersensitivity, to the study materials (or closely related compounds) or any of the stated ingredients, including diphtheria toxoid and tetanus toxoid 10. Hypotonic-hyporesponsive state within 48 hours after a prior dose of any vaccine 11. Persistent inconsolable crying lasting =3 hours within 48 hours after a prior dose of any vaccine 12. Known to be infected with human immunodeficiency virus (HIV) or mother is HIV positive 13. Any other condition or social circumstance (e.g. lack of a telephone, impending relocation) that, in the opinion of the investigator, would make the subject unsuitable or unable to complete the study

Design outcomes

Primary

MeasureTime frame
Pneumococcal carriage of Vaccine-type serotypes

Secondary

MeasureTime frame
Correlates between carriage and post vaccination antibodies

Countries

Israel

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 31, 2026