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Phase II Study of the Efficacy of the Pneumococcal Pneumonia Vaccine Series in Patients With Chronic Lymphocytic Leukemia Associated Immunodeficiency (PROTECT CLL)

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Trial Profile

Phase II Study of the Efficacy of the Pneumococcal Pneumonia Vaccine Series in Patients With Chronic Lymphocytic Leukemia Associated Immunodeficiency (PROTECT CLL)

Status: Recruiting
Phase of Trial: Phase II

Latest Information Update: 22 Apr 2026

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At a glance

Most Recent Events

  • 09 Apr 2026 Planned number of patients changed from 60 to 61.
  • 09 Apr 2026 Planned primary completion date changed from 1 Jun 2026 to 1 Mar 2027.
  • 17 Feb 2026 Planned End Date changed from 7 Jan 2028 to 1 Jun 2028.

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