Pulmonary vascular disease & thromboembolism

Prolonged Edoxaban in Patients With Low Body Weight and Cancer-Associated Isolated Distal Deep Vein Thrombosis

JACC AdvPublished prespecified subgroup analysis of the ONCO DVT study

Authors' conclusion

Twelve-month edoxaban treatment in cancer-associated IDDVT was superior to 3-month edoxaban treatment in terms of thrombotic events without increased bleeding risk among patients with low body weight but with increased bleeding risk among patients with non-low body weight.

Study context

Population
Patients with cancer-associated isolated distal deep vein thrombosis (IDDVT), divided by body weight with a 60 kg cutoff426 had low body weight, 99% receiving a reduced dose of edoxaban · low body weight 426
Participants
601 patients
Comparison
12-month and 3-month edoxaban treatments in patients with low body weight and cancer-associated IDDVT
Primary endpoint
symptomatic recurrent venous thromboembolism or venous thromboembolism-related death
Follow-up
12 months

Primary result

As reported in the abstract

12-month edoxaban group vs 3-month groupOdds ratio (95% CI)P value
Low body weight subgroup: 1.0% vs 6.2%
0.15(0.02–0.55)
P = 0.003
Non-low body weight subgroup: 1.0% vs 10.0%
0.10(0.01–0.54)
P = 0.005

Safety

1-year major bleeding rate

Low body weight subgroup, 12-month vs 3-month (not different)
7.0% vs 8.4%, P = 0.57
Non-low body weight subgroup, 12-month vs 3-month (significantly higher in the 12-month edoxaban group)
14.7% vs 3.8%, P = 0.01

Original publication

Prolonged Edoxaban in Patients With Low Body Weight and Cancer-Associated Isolated Distal Deep Vein Thrombosis. JACC Adv. Published 4 July 2025. doi:10.1016/j.jacadv.2025.101956

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

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