(Abst.) Safety and efficacy of venoplasty in MS: ...Phase II trial on: September 30, 2018, 07:31:15 pm #1 From PubMed, September 30, 2018--"Safety and efficacy of venoplasty in MS: A randomized, double-blind, sham-controlled Phase II trial": Safety and efficacy of venoplasty in MS: A randomized, double-blind, sham-controlled phase II trial - PubMed This study provides Class I evidence that for patients with MS, balloon venoplasty of extracranial jugular and azygous veins is not beneficial in improving patient-reported, standardized clinical, ... PubMed · ncbi.nlm.nih.gov Logged MS Speaks--online for 20 yearsSPMS, diagnosed 1980. Avonex 2001-2004. Copaxone 2007-2010. Glatopa (glatiramer acetate 40mg 3 times/week) 12/16/20 - 3/16/24.