American heart journal · 2025
Association of testosterone-induced increase in neutrophil and monocyte counts with thromboembolic events: The TRAVERSE trial.
СтатьяРандомизированное исследованиеМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Gagliano-Jucá Thiago, Pencina Karol M, Shang Yili V, Travison Thomas G, Lincoff A Michael, Nissen Steven E, Artz Andrew S, Li Xue, Chan Anna, Patel Rinal, Miller Michael G, Bhasin Shalender
Аннотация
BACKGROUND: In epidemiological studies, higher leukocyte and platelet counts are associated with increased risk of cardiovascular events. Effects of testosterone replacement therapy (TRT) on leukocyte subsets and platelets in men with hypogonadism and association of circulating leukocyte subtypes and platelets during TRT with cardiovascular events remain unknown.
METHODS: In the TRAVERSE Trial, 5,204 men, 45-80 years with hypogonadism and preexisting or increased risk of cardiovascular disease (CVD) were randomized to transdermal testosterone or placebo gel daily for up to 5 years. We determined the effect of TRT on neutrophils, monocytes, lymphocytes and platelets and association of changes in leukocyte subtypes and platelets with risk of major adverse cardiovascular (MACE) and venous thromboembolism (VTE) events.
RESULTS: TRT was associated with significantly greater increase in neutrophils and monocytes, and greater decrease in lymphocytes and platelets than placebo. Changes in neutrophil (odds ratio for 1 SD increase in cell count (OR) 1.32 [1.01, 1.73]) and monocyte (OR 1.39 [1.08, 1.79]) counts were associated with increased risk of VTE, accounting for TRT. Neutrophil and monocyte counts at baseline and on-treatment were also associated with increased risk of MACE, adjusting for treatment (baseline: neutrophils OR 1.18 [1.06,1.31], monocytes OR 1.16 [1.05,1.29]; on-treatment neutrophils: OR 1.25 [1.12, 1.40]; monocytes: OR 1.18 [1.06,1.31]).
CONCLUSIONS: TRT increased circulating neutrophils and monocytes and decreased lymphocytes and platelets in men with hypogonadism. Changes in monocyte and neutrophil counts were associated with increased risk of VTE. Neutrophil and monocyte counts should be considered when evaluating VTE risk in hypogonadal men treated with TRT.
CLINICAL TRIAL REGISTRATION: URL:https://clinicaltrials.gov/study/NCT03518034. Unique identifier: NCT03518034. The study was initially registered on March 5, 2018, and the first participant was enrolled on May 23, 2018.
METHODS: In the TRAVERSE Trial, 5,204 men, 45-80 years with hypogonadism and preexisting or increased risk of cardiovascular disease (CVD) were randomized to transdermal testosterone or placebo gel daily for up to 5 years. We determined the effect of TRT on neutrophils, monocytes, lymphocytes and platelets and association of changes in leukocyte subtypes and platelets with risk of major adverse cardiovascular (MACE) and venous thromboembolism (VTE) events.
RESULTS: TRT was associated with significantly greater increase in neutrophils and monocytes, and greater decrease in lymphocytes and platelets than placebo. Changes in neutrophil (odds ratio for 1 SD increase in cell count (OR) 1.32 [1.01, 1.73]) and monocyte (OR 1.39 [1.08, 1.79]) counts were associated with increased risk of VTE, accounting for TRT. Neutrophil and monocyte counts at baseline and on-treatment were also associated with increased risk of MACE, adjusting for treatment (baseline: neutrophils OR 1.18 [1.06,1.31], monocytes OR 1.16 [1.05,1.29]; on-treatment neutrophils: OR 1.25 [1.12, 1.40]; monocytes: OR 1.18 [1.06,1.31]).
CONCLUSIONS: TRT increased circulating neutrophils and monocytes and decreased lymphocytes and platelets in men with hypogonadism. Changes in monocyte and neutrophil counts were associated with increased risk of VTE. Neutrophil and monocyte counts should be considered when evaluating VTE risk in hypogonadal men treated with TRT.
CLINICAL TRIAL REGISTRATION: URL:https://clinicaltrials.gov/study/NCT03518034. Unique identifier: NCT03518034. The study was initially registered on March 5, 2018, and the first participant was enrolled on May 23, 2018.