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- Myocardial infarction
- Ischemic or hemorrhagic cerebrovascular event
- Arterial embolic and thrombotic event
- Emergency room visit or hospitalization due to ischemic heart disease conditions
- Coronary artery or iliofemoral artery revascularization (percutaneous or surgical procedures)
- Peripheral vascular disease event (vascular surgery/intervention)
A total of eighty patients were enrolled (39 randomized to antagonist and 41 agonists), with a median follow up of 10 months. No difference in age, stage of prostate cancer and baseline cardiovascular status were observed between the two arms. During follow-up, 14 patient developed a new cardiovascular event. Eight of the 14 patients were hospitalized due to ischemic heart disease, one patient suffered from a myocardial infarction and two from a new ischemic cerebrovascular event. Twenty-eight percent (n=11) of patients randomized to LHRH agonist had a cardiovascular event compared to 7% (n=3) of those randomized to antagonists (log rank p=0.008) (Figure 1). Baseline levels of serum NT-proBNP, a well-known cardiac biomarker, was able to predict events (AUC= 0.69, 95% CI 0.56-0.84, p=0.003). However, baseline D-Dimer, HS-Troponin and CRP were not predictive. In addition, patients with less than a 60% decrease in FSH levels during the first three months of treatment had a higher risk of developing a cardiovascular event ( 40% vs 10%, p=0.005).
Figure 1 – Kaplan-Meier curves: Time to first cardiovascular (CV) event and time to first Major adverse cardiovascular and cerebrovascular event (MACCE):
In this interesting study, the authors concluded that cardiovascular events may develop early in patients receiving LHRH-agonist compared to an antagonist. Baseline NT-proBNP may predict the cardiovascular outcome. These events could be potentially linked to the reduced suppression of FSH during ADT.
Presented by: David Margel, Rabin Medical Center, Israel
Co-Author: Petach Tikva, Israel, Avivit Pe'er, Haifa, Israel, Yaara Ber, Petach Tikva, Israel, Marina Shaparberg, Haifa, Israel, Sivan Sela, Rachel Ozalvo, Tzlil Tabachnik, Petach Tikva, Israel, Wilhelmina Duivenvoorden, Jack Baniel, Petach Tikva, Israel, Jehonathan Pinthus, Hamilton, Canada,
Written by: Hanan Goldberg, MD, Urologic Oncology Fellow (SUO), University of Toronto, Princess Margaret Cancer Centre @GoldbergHanan at the 2018 AUA Annual Meeting - May 18 - 21, 2018 – San Francisco, CA USA