Paolo Zamboni1, Roberto Galeotti2, Fabrizio Salvi3, Alessia Giaquinta4, Carlo Setacci5, Salvatore Alborino6, Giuseppe Guzzardi7, Salvatore J Sclafani8, Elisa Maietti9, Pierfrancesco Veroux4. 1. HUB Center for Venous and Lymphatics Disorders of the Emilia Romagna Region, S. Anna University Hospital, Ferrara, Italy. 2. Unit of Interventional Radiology, S. Anna University Hospital, Ferrara, Italy. 3. IRCCS of the Neurosciences, Bellaria Hospital, Bologna, Italy. 4. Unit of Vascular Surgery and Transplantation, University of Catania, Italy. 5. Unit of Vascular Surgery, University of Siena, Siena, Italy. 6. Unit of Radiology, Macerata Hospital, ASUR Marche, Italy. 7. Unit of Interventional Radiology, Ospedale Maggiore, Novara, Italy. 8. Department of Radiology, New York State University in Brooklyn, New York, USA. 9. Department of Biomedical and Neuromotor Sciences, University of Bologna Center for Clinical Epidemiology, School of Medicine, University of Ferrara, Italy.
Abstract
PURPOSE: To evaluate if jugular vein flow restoration in various venographic defects indicative of chronic cerebrospinal venous insufficiency (CCSVI) in multiple sclerosis (MS) patients can have positive effects on cerebral lesions identified using magnetic resonance imaging (MRI). MATERIALS AND METHODS: The Brave Dreams trial ( ClinicalTrials.gov identifier NCT01371760) was a multicenter, randomized, parallel group, double-blind, sham-controlled trial to assess the efficacy of jugular venoplasty in MS patients with CCSVI. Between August 2012 and March 2016, 130 patients (mean age 39.9±10.6 years; 81 women) with relapsing/remitting (n=115) or secondary/progressive (n=15) MS were randomized 2:1 to venography plus angioplasty (n=86) or venography (sham; n=44). Patients and study personnel (except the interventionist) were masked to treatment assignment. MRI data acquired at 6 and 12 months after randomization were compared to the preoperative scan for new and/or >30% enlargement of T2 lesions plus new gadolinium enhancement of pre-existing lesions. The relative risks (RR) with 95% confidence interval (CI) were estimated and compared. In a secondary assessment, venograms of patients who underwent venous angioplasty were graded as "favorable" (n=38) or "unfavorable" (n=30) for dilation according to the Giaquinta grading system by 4 investigators blinded to outcomes. These subgroups were also compared. RESULTS: Of the 130 patients enrolled, 125 (96%) completed the 12-month MRI follow-up. Analysis showed that the likelihood of being free of new cerebral lesions at 1 year was significantly higher after venoplasty compared to the sham group (RR 1.42, 95% CI 1.00 to 2.01, p=0.032). Patients with favorable venograms had a significantly higher probability of being free of new cerebral lesions than patients with unfavorable venograms (RR 1.82, 95% CI 1.17 to 2.83, p=0.005) or patients in the sham arm (RR 1.66, 95% CI 1.16 to 2.37, p=0.005). CONCLUSION: Expanded analysis of the Brave Dreams data that included secondary/progressive MS patients in addition to the relapsing/remitting patients analyzed previously showed that venoplasty decreases new cerebral lesions at 1 year. Secondary analysis confirmed the efficacy of the Giaquinta grading system in selecting patients appropriate for venoplasty who were more likely to be free from accumulation of new cerebral lesions at MRI.
RCT Entities:
PURPOSE: To evaluate if jugular vein flow restoration in various venographic defects indicative of chronic cerebrospinal venous insufficiency (CCSVI) in multiple sclerosis (MS) patients can have positive effects on cerebral lesions identified using magnetic resonance imaging (MRI). MATERIALS AND METHODS: The Brave Dreams trial ( ClinicalTrials.gov identifier NCT01371760) was a multicenter, randomized, parallel group, double-blind, sham-controlled trial to assess the efficacy of jugular venoplasty in MSpatients with CCSVI. Between August 2012 and March 2016, 130 patients (mean age 39.9±10.6 years; 81 women) with relapsing/remitting (n=115) or secondary/progressive (n=15) MS were randomized 2:1 to venography plus angioplasty (n=86) or venography (sham; n=44). Patients and study personnel (except the interventionist) were masked to treatment assignment. MRI data acquired at 6 and 12 months after randomization were compared to the preoperative scan for new and/or >30% enlargement of T2 lesions plus new gadolinium enhancement of pre-existing lesions. The relative risks (RR) with 95% confidence interval (CI) were estimated and compared. In a secondary assessment, venograms of patients who underwent venous angioplasty were graded as "favorable" (n=38) or "unfavorable" (n=30) for dilation according to the Giaquinta grading system by 4 investigators blinded to outcomes. These subgroups were also compared. RESULTS: Of the 130 patients enrolled, 125 (96%) completed the 12-month MRI follow-up. Analysis showed that the likelihood of being free of new cerebral lesions at 1 year was significantly higher after venoplasty compared to the sham group (RR 1.42, 95% CI 1.00 to 2.01, p=0.032). Patients with favorable venograms had a significantly higher probability of being free of new cerebral lesions than patients with unfavorable venograms (RR 1.82, 95% CI 1.17 to 2.83, p=0.005) or patients in the sham arm (RR 1.66, 95% CI 1.16 to 2.37, p=0.005). CONCLUSION: Expanded analysis of the Brave Dreams data that included secondary/progressive MSpatients in addition to the relapsing/remitting patients analyzed previously showed that venoplasty decreases new cerebral lesions at 1 year. Secondary analysis confirmed the efficacy of the Giaquinta grading system in selecting patients appropriate for venoplasty who were more likely to be free from accumulation of new cerebral lesions at MRI.
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