Varicose Veins of Lower Limb — Compont - Varicose Veins of the Lower Extremities
Citation(s)
Balint R, Farics A, Parti K, Vizsy L, Batorfi J, Menyhei G, Balint IB Which endovenous ablation method does offer a better long-term technical success in the treatment of the incompetent great saphenous vein? Review. Vascular. 2016 Dec;24(6):649-657. doi: 10.1177/1708538116648035. Epub 2016 Apr 28.
Dimech AP, Cassar K Efficacy of Cyanoacrylate Glue Ablation of Primary Truncal Varicose Veins Compared to Existing Endovenous Techniques: A Systematic Review of the Literature. Surg J (N Y). 2020 Jun 19;6(2):e77-e86. doi: 10.1055/s-0040-1708866. eCollection 2020 Apr.
Morrison N, Gibson K, Vasquez M, Weiss R, Cher D, Madsen M, Jones A VeClose trial 12-month outcomes of cyanoacrylate closure versus radiofrequency ablation for incompetent great saphenous veins. J Vasc Surg Venous Lymphat Disord. 2017 May;5(3):321-330. doi: 10.1016/j.jvsv.2016.12.005. Epub 2017 Mar 6.
Nordon IM, Hinchliffe RJ, Brar R, Moxey P, Black SA, Thompson MM, Loftus IM A prospective double-blind randomized controlled trial of radiofrequency versus laser treatment of the great saphenous vein in patients with varicose veins. Ann Surg. 2011 Dec;254(6):876-81. doi: 10.1097/SLA.0b013e318230af5a.
Efficacy and Safety of Medical Adhesive in the Treatment of Varicose Veins of the Lower Extremities: A Prospective, Multicenter, Randomized Controlled Study
Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.
Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.
Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.
Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.
Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.
