Cohort study

Ibrutinib Is Associated With Increased Cardiovascular Events and Major Bleeding in Older Chronic Lymphocytic Leukemia (CLL) Patients

JACC CardioOncolPublished

  • Retrospective cohort study
  • inverse probability weighted
  • linked SEER-Medicare database

Authors' conclusion

In patients a decade older than those in the initial clinical trials, treatment with ibrutinib was associated with an increased risk of stroke, AF, and bleeding.

Study context

Population
Older patients with chronic lymphocytic leukemia (CLL), linked SEER-Medicare databasemedian age 77 years
Participants
4,958 patients
Exposure
Ibrutinib vs treatment without ibrutinib
Outcome
Incidence of stroke, atrial fibrillation (AF), MI and bleeding

Main finding

As reported in the abstract

Ibrutinib vs Without ibrutinibHazard ratio (95% CI)
stroke
1.91(1.06–3.45)
AF
3.65(2.42–5.49)
bleeding
4.92(3.46–7.01)
major bleeding
7.49(4.32–12.99)

Observational data: associations, not effects.

Original publication

Ibrutinib Is Associated With Increased Cardiovascular Events and Major Bleeding in Older CLL Patients. JACC CardioOncol. Published 18 April 2023. doi:10.1016/j.jaccao.2023.02.001

Summarised from the published abstract; every number is checked against it