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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: 23 Feb 2026

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At a glance

Most Recent Events

  • 17 Feb 2026 Planned End Date changed from 7 Jan 2028 to 1 Jun 2028.
  • 17 Feb 2026 Planned primary completion date changed from 7 Jan 2026 to 1 Jun 2026.
  • 21 Feb 2025 Planned End Date changed from 7 Jan 2027 to 7 Jan 2028.

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