Effectiveness and Tolerability of Fondaparinux vs Enoxaparin in a Population of Indian Patients with Symptomatic Deep Vein Thrombosis: A Retrospective Real-World Study

• DOI: 10.1007/s40801-021-00273-4
• Publication Date: 2021-08-25T18:05:38Z
• Authors: Pinjala Ramakrishna; P. C. Gupta; Paresh Pai; Kumud Rai; M. Rajkumar; Tapish Sahu; Mohammed Yunus Khan; Kumar Gaurav; Amey Mane; Sucheta Pandit; Madhur Jain; Anand Subramaniyan
• Keywords: 03 medical and health sciences; 0302 clinical medicine; Original Research Article; 3. Good health

Fondaparinux is the first approved anticoagulant drug among factor Xa inhibitors, with proven effectiveness and safety in preventing deep vein thrombosis. However, limited data are available supporting the benefit-risk profile of fondaparinux vs enoxaparin in a real-world group of Indian patients with deep vein thrombosis.To compare the effectiveness and tolerability of fondaparinux vs enoxaparin in patients with symptomatic deep vein thrombosis in a long-term real-world setting.Data from the electronic medical records of adult patients diagnosed with deep vein thrombosis prescribed fondaparinux (n = 503) or enoxaparin (n = 508) as monotherapy were analyzed. Effectiveness was analyzed in terms of recurrence, duration, and type of deep vein thrombosis event, and tolerability as bleeding events at initial hospitalization and follow-up visits up to 3 months duration. Appropriate statistical methods were used to determine the significance (p < 0.05) between the two groups.The deep vein thrombosis recurrence in the fondaparinux group was non-inferior (2.78%) when compared with enoxaparin (3.76%), with a mean duration of 47 and 48 days, respectively. The number of events and mean duration of events (in days) were not significant (p > 0.05). Major bleeding events were higher in the enoxaparin group at 3.17% than the fondaparinux group at 2.19%, and the difference was not statistically significant (p > 0.05).The weight-based, once-daily subcutaneous fondaparinux dose showed non-inferior effectiveness and a comparable tolerability profile when compared with the twice-daily enoxaparin dose for the management of symptomatic deep vein thrombosis.