1. Vikelis Μ, Dermitzakis EV, Spingos, KC, Vlachos GS, Vasiliadis GG, Kararizou E. Clinical experience with transcutaneous supraorbital nerve stimulation in patients with refractory migraine or who are intolerant to topiramate: a single arm prospective exploratory clinical study. BMC Neurol. 2017 May 18;17(1):97.
  2. Vikelis M and Rapoport AM. Cluster headache in Greece: An observational clinical and demographic study of 302 patients. Journal of Headache and Pain 2016 Dec;17(1):88. Epub 2016 Sep 26.
  3. Vikelis Μ, Argyriou, ΑΑ, Dermitzakis EV, Spingos, KC, Mitsikostas DD. Onabotulinumtoxin-A treatment in Greek patients with chronic migraine. Journal of Headache and Pain 2016 Dec;17(1):84. doi: 10.1186/s10194-016-0676-z. Epub 2016 Sep 17. 
  4. Anagnostou E, Vikelis M, Tzavellas E, Ghika A, Kouzi I, Evdokimidis I, Kararizou E. Photophobia in primary headaches, in essential blepharospasm and in major depression. Int J Neurosci. 2016 Aug 31:1-21.
  5. Yfantopoulos J, Grigoriadis N, Iliopoulos I, Karageorgiou K, Chantzaras A, Kyritsis AP, Papathanasopoulos P, Tsimourtou V, Treska X, Tzortzis D, Kostadima V, Dimisianos N, Ralli S, Chatzikou M, Rombopoulos Γ, Vlachos G, Vikelis M. Health and Economic Impact of Relapsing Forms of Multiple Sclerosis in Greece: The Storms Study. Pharmacoeconomics: Open Access Volume 1, Issue 1, 1000102, http://dx.doi.org/10.4172/pe.1000102
  6. Vikelis Μ, Spingos KC and Rapoport AM. The iontophoretic transdermal system formulation of sumatriptan as a new option in the acute treatment of migraine: a perspective. Therapeutic Advances in Neurological Disorders, Ther Adv Neurol Disord. 2015 Jul;8(4):160-5.
  7. Vagenas V, Vlachos GV, Vlachou N, Liakopoulos D, Kalaitzakis ME and Vikelis M. A prospective non-interventional study for evaluation of quality of life in patients with Alzheimer's disease treated with rivastigmine transdermal patch. SAGE Open Medicine, SAGE Open Med. 2015 Jun 3;3:2050312115587795. doi: 10.1177/2050312115587795. eCollection 2015.
  8. Hadjigeorgiou G, Dardiotis E, Tsivgoulis G, Doskas T, Petrou D, Makris N, Vlaikidis N, Thomaidis T, Kyritsis A, Fakas N, Treska X, Karageorgiou C, Sotirli S, Giannoulis C, Papadimitriou D, Mylonas I, Kouremenos E, Vlachos G, Georgiopoulos D, Mademtzoglou D, Vikelis M, Zintzaras E. Observational Study Assessing Demographic, Economic and Clinical Factors Associated with Access and Utilization of Health Care Services of Patients with Multiple Sclerosis under Treatment with Interferon Beta-1b (EXTAVIA). PLoS One. 2014 Nov 24;9(11):e113933.
  9. Vikelis M, Mitsikostas DD and Rapoport AM. Sumatriptan Iontophoretic Transdermal System for the acute treatment of migraine. Pain Manag. 2014;4(2):123-8. 
  10. Vikelis M, Sandor P, Lainez M, Purdy A, Schoonman G, Rapoport AM, The International Headache Society's Core Curriculum on Headache for Neurologists. British Journal of Pain, 2012 (6):103-105, Rapoport AM. Sumatriptan iontophoretic patch (NP101): Review of pharmacology, clinical efficacy and safety in the acute treatment of migraine. Neuropsychiatric Disease and Treatment, in press. 
  11. Deligianni C, Vikelis M, Mitsikostas DD. Depression in Headaches: Chronification. Current Οpinion in Νeurology. 2012;25(3):277-83. 
  12. Katsiari CG, Vikelis M, Paraskevopoulou ES, Sfikakis PP, Mitsikostas DD. Headache in Systemic Lupus Erythematosus vs Multiple Sclerosis: A Prospective Comparative Study. Headache, 2011 Oct;51(9):1398-407. 
  13. Vikelis M. and Rapoport A.M. New Drug Delivery Options for Migraine. Expert review of Neurotherapeutics, 2011 Jun;11(6):771-3. 
  14. Mitsikostas DD, Pantes GV, Avramidis TG, Karageorgiou KE, Gatzonis SD, Stathis PG, Fili VA, Siatouni AD, Vikelis M. An Observational Trial to Investigate the Efficacy and Tolerability of Levetiracetam in Trigeminal Neuralgia. Headache. 2010;50(8):1371-1377. 
  15. Mitsikostas DD, Vikelis M, Kodounis A, Zaglis D, Xifaras M, Doitsini S, Georgiadis G, Thomas A, Harmoussi S. Migraine recurrence is not associated to depression or anxiety. Results of a randomized controlled trial. Cephalalgia 2010;30(6):690-5.
  16. Vikelis M and Rapoport AM. Role of antiepileptic drugs as prophylactic agents for migraine. CNS Drugs 2010;24(1):21-33. 
  17. Tabaki Ν,  Vikelis Μ, Besmertis L, Vemmos K, Stathis P, Mitsikostas DD. Apraxia Related with Subcortical Lesions Due to Cerebrovascular Disease. Acta Neurol Scand 2010;122(1):9-14. 
  18. Konstantopoulos Κ, Vikelis Μ, Seikel JA, Mitsikostas DD. The existence of phonatory instability in multiple sclerosis: An acoustic and electroglottographic study. Neurol Sci 2010;31(3):259-68. 
  19. Rallidis LS, Zolindaki MG, Vikelis M, Kaliva K, Papadopoulos C., Kremastinos DT. Elevated soluble intercellular adhesion molecule-1 levels are associated with poor short-term prognosis in middle-aged patients with acute ischaemic stroke. Int J Cardiol 2009;132(2):216-220. 
  20. Rallidis LS, Vikelis M, Panagiotakos DB, Liakos GK, Krania E, Kremastinos DT. Usefulness of inflammatory and haemostatic markers to predict short-term risk for death in middle-aged ischaemic stroke patients. Acta Neurol Scand 2008;117(6):415-20.
  21. Mitsikostas DD, Vikelis M and Viskos A. Obstructive sleep apnoea syndrome associated with refractory chronic headache. Cephalalgia 2008; 28:139–143. 
  22. Vikelis M, and Mitsikostas DD. The role of glutamate and its receptors in migraine. CNS & Neurological Disorders Drug Targets, 2007;6:251-257. 
  23. Vikelis M, Papatriantafyllou J, Karageorgiou C. A novel CADASIL-causing mutation in a stroke patient. SMW, 2007;137:323–325.
  24. Vikelis M, Xifaras M, Mitsikostas DD. CADASIL: a short review of the literature and a description of the first family from Greece. Functional Neurology, 2006; 21(2): 77-82. 
  25. Rallidis LS, Vikelis M., Panagiotakos DB, Rizos I, Zolindaki MG, Kaliva K, Kremastinos DT. Inflammatory markers and in-hospital mortality in acute ischaemic stroke. Atherosclerosis 2006;189(1):193-7. 
  26. Vikelis M, Xifaras M, Magoufis G, Gekas G, Mitsikostas DD. Headache attributed to unruptured saccular aneurysm, mimicking hemicrania continua. Journal of Headache and Pain 2005;6(3):156-158.
  27. Vikelis M, Xifaras M, Mitsikostas DD. SUNCT syndrome in the elderly. Cephalalgia 2005;25:1091–1092.