Pneumococcal Vaccine in Untreated CLL Patients

NCT ID: NCT01892618

Last Updated: 2016-01-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

134 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-08-31

Study Completion Date

2015-12-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The purpose of the study is to determine whether patients with chronic lymphocytic leukaemia (CLL) will benefit from vaccination with a 13-valent conjugated pneumococcal vaccine, Prevenar13, compared with a conventional 23-valent capsular polysaccharide vaccine in terms of immune response.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Chronic Lymphocytic Leukemia

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Pneumovax

Pneumovax, 1x 0.5 ml injection

Group Type ACTIVE_COMPARATOR

Pneumovax

Intervention Type DRUG

23-valent pneumococcal polysaccharide vaccine

Prevenar 13

Prevenar 13, 1x 0.5 ml injection

Group Type EXPERIMENTAL

Prevenar 13

Intervention Type DRUG

13-valent pneumococcal conjugated vaccine

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Prevenar 13

13-valent pneumococcal conjugated vaccine

Intervention Type DRUG

Pneumovax

23-valent pneumococcal polysaccharide vaccine

Intervention Type DRUG

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Untreated CLL patients all Rai stages (0 to IV), as early as possible after diagnosis, always before any therapy with monoclonal antibodies and/or chemotherapy

Exclusion Criteria

* Immunosuppressive therapy planned to start within 1 month
* Other malignancies
* Corticosteroids or other immunosuppressive drugs
* Previous allergic reaction to any vaccination in the past
* Neutropenia (PMNs \< 500 cells/mm3)
Minimum Eligible Age

18 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Karolinska University Hospital

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Eva Kimby

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Eva Kimby, Professor

Role: PRINCIPAL_INVESTIGATOR

Karolinska University Hospital, SE-141 86 Stockholm, Sweden

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Karolinska University Hospital

Stockholm, Stockholm County, Sweden

Site Status

Countries

Review the countries where the study has at least one active or historical site.

Sweden

References

Explore related publications, articles, or registry entries linked to this study.

Zorger AM, Hirsch C, Baumann M, Feldmann M, Brockelmann PJ, Mellinghoff S, Monsef I, Skoetz N, Kreuzberger N. Vaccines for preventing infections in adults with haematological malignancies. Cochrane Database Syst Rev. 2025 May 21;5(5):CD015530. doi: 10.1002/14651858.CD015530.pub2.

Reference Type DERIVED
PMID: 40396505 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

2009-012642-22

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.