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Phlebology. 2017 May;32(4):272-281. doi: 10.1177/0268355516637300. Epub 2016 Mar 7.

A multicenter, randomized, placebo-controlled trial of endovenous thermal ablation with or without polidocanol endovenous microfoam treatment in patients with great saphenous vein incompetence and visible varicosities.

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1 SUNY Buffalo Department of Surgery, Buffalo, NY, USA.
2 The Venous Institute of Buffalo, Amherst, NY, USA.
3 Division of Vascular Surgery, Stony Brook School of Medicine, Stony Brook, NY, USA.
4 Stony Brook Vein Center, Manhasset, NY, USA.


Objectives * Varithena 017 Investigator Group: Michael Vasquez, MD, Venous Institute of Buffalo, Amherst, NY; Antonios Gasparis, MD, Stony Brook University Medical Center, Stony Brook, NY; Kathleen Gibson, MD, Lake Washington Vascular, Bellevue, WA; James Theodore King, MD, Vein Clinics of America, Oakbrook Terrace, IL; Nick Morrison, MD, Morrison Vein Institute, Scottsdale, AZ; Girish Munavalli, MD, Dermatology, Laser & Vein Specialists of the Carolinas, Charlotte, NC; Eulogio J. Sanchez, MD, Batey Cardiovascular Center, Bradenton, FL. Varithena® is a trademark of Provensis Ltd, a BTG International group company. To determine the efficacy and safety of polidocanol endovenous microfoam (PEM 0.5%, 1.0%) and placebo each administered with endovenous thermal ablation. Methods A multicenter, randomized, placebo-controlled, blinded study was conducted in patients with great saphenous vein incompetence and symptomatic and visible superficial venous disease. Co-primary endpoints were physician-assessed and patient-assessed appearance change from Baseline to Week 8. Results A total of 117 patients received treatment (38 placebo, 39 PEM 0.5%, 40 PEM 1%). Physician-rated vein appearance at Week 8 was significantly better with PEM ( p = 0.001 vs. placebo); patient-assessed appearance trended similarly. Polidocanol endovenous microfoam provided improvements in clinically meaningful change in patient-assessed and physician-assessed appearance ( p < 0.05), need for additional treatment ( p < 0.05), saphenofemoral junction reflux elimination, symptoms, and QOL. In PEM recipients, the most frequent adverse event was superficial thrombophlebitis (35.4%) Conclusions Endovenous thermal ablation + PEM significantly improved physician-assessed appearance at Week 8, increased the proportion of patients with a clinically meaningful change in appearance, and reduced need for additional treatment. (NCT01197833).


Varicose veins; polidocanol; polidocanol injectable microfoam; saphenous vein; self-report

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