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Clinical study on revaccination with pneumococcal polysaccharide vaccine. -Safety and immunogenicity of revaccination -

Clinical study on revaccination with pneumococcal polysaccharide vaccine. -Safety and immunogenicity of revaccination - - Clinical study on revaccination with pneumococcal polysaccharide vaccine. -Safety and immunogenicity of revaccination -

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000002439
Enrollment
80
Registered
2009-09-03
Start date
2009-09-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Chronic lung disease

Interventions

Single vaccination of pneumococcal polysaccharide vaccine (0.5 ml) intramuscularly or subcutaneously.

Sponsors

National Hospital Organization, Tokyo National Hospital
Lead Sponsor
Laboratory of Clinical Research in Infectious Diseases, International Research Center for Infectious Diseases, Research Institute for Microbial Diseases, Osaka University
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients with chronic lung disease of 65 years old and over. 2) Patients who received any multi-valent pneumococcal polysaccharide vaccine more than 5 years prior to the study enrollment. 3) Patients whose blood specimen was collected for antibody titration upon the first vaccination, and has been kept in the clinical study organization. 4) Patients who understand the procedure of this study and give informed consent in written voluntarily before participation in the study.

Exclusion criteria

Exclusion criteria: 1) Patients under treatment of radiotherapy and immunosuppressant at present and/or soon after revaccination. 2) Patients who have fever obviously. 3) Patients who have serious acute diseases obviously. 4) Patients who have ever showed anaphylaxis due to ingredient(s) of this vaccine. 5) Patients who are not appropriate to be vaccinated for other reasons.

Design outcomes

Primary

MeasureTime frame
Safety: body temperature, local adverse reaction and systemic symptoms for 6 days after revaccination. Clinical symptom for 14 days after revaccination. Blood tests (both general and biochemical items) for pre- and the 14th day after revaccination. Any other adverse reactions observed for 28 days after revaccination.

Secondary

MeasureTime frame
Immunogenicity: antibody titer on the 28th day after revaccination.

Countries

Japan

Contacts

Public ContactHideaki Nagai M.D., Ph.D.

National Hospital Organization, Tokyo National Hospital Department of Pulmonary Diseases

hnagai-in@tokyo-hosp.jp042-491-2111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026