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Uprighting an Impacted Permanent Mandibular First Molar Associated with a Dentigerous Cyst and a Missing Second Mandibular Molar-A Case Report.

Tsironi K, Inglezos E, Vardas E, Mitsea A.

Dent J (Basel). 2019 Jun 27;7(3). pii: E63. doi: 10.3390/dj7030063.


Disseminated metastatic cutaneous melanoma to pancreas and upper gastrointestinal tract diagnosed by endoscopic ultrasound: an unusual case.

Voudoukis E, Mpitouli A, Giannakopoulou K, Velegraki M, Datseri G, Bachlitzanaki M, Kazamias G, Fahouridi A, Mastorakis E, Vardas E, Kontopodis E, Paspatis G.

Clin J Gastroenterol. 2019 Jun 21. doi: 10.1007/s12328-019-01004-7. [Epub ahead of print]


The use of crevicular fluid to assess markers of inflammation and angiogenesis, IL-17 and VEGF, in patients with solid tumors receiving zoledronic acid and/or bevacizumab.

Papadopoulou E, Nicolatou-Galitis O, Papassotiriou I, Linardou H, Karagianni A, Tsixlakis K, Tarampikou A, Michalakakou K, Vardas E, Bafaloukos D.

Support Care Cancer. 2019 Apr 17. doi: 10.1007/s00520-019-04793-2. [Epub ahead of print]


Two Rare Cases of Non-Syndromic Paramolars with Family Occurrence and a Review of Literature.

Palikaraki G, Vardas E, Mitsea A.

Dent J (Basel). 2019 Apr 1;7(2). pii: E38. doi: 10.3390/dj7020038.


Comparison of digital versus fiberoptic cholangioscopy in patients requiring evaluation of bile duct disease or treatment of biliary stones.

Dimas ID, Vardas E, Papastergiou V, Fragaki M, Velegraki M, Mpitouli A, Voudoukis E, Theodoropoulou A, Giannikaki E, Chlouverakis G, Paspatis GA.

Ann Gastroenterol. 2019 Mar-Apr;32(2):199-204. doi: 10.20524/aog.2019.0358. Epub 2019 Jan 25.


Complete endoscopic mucosal resection of malignant colonic sessile polyps and clinical outcome of 51 cases.

Fragaki M, Voudoukis E, Chliara E, Dimas I, Mpitouli A, Velegraki M, Vardas E, Theodoropoulou A, Karmiris K, Giannikaki L, Paspatis G.

Ann Gastroenterol. 2019 Mar-Apr;32(2):174-177. doi: 10.20524/aog.2018.0343. Epub 2018 Dec 21.


Osteonecrosis of the jaw related to non-antiresorptive medications: a systematic review.

Nicolatou-Galitis O, Kouri M, Papadopoulou E, Vardas E, Galiti D, Epstein JB, Elad S, Campisi G, Tsoukalas N, Bektas-Kayhan K, Tan W, Body JJ, Migliorati C, Lalla RV; MASCC Bone Study Group.

Support Care Cancer. 2019 Feb;27(2):383-394. doi: 10.1007/s00520-018-4501-x. Epub 2018 Oct 23.


Cold versus hot endoscopic mucosal resection for nonpedunculated colorectal polyps sized 6-10 mm: a randomized trial.

Papastergiou V, Paraskeva KD, Fragaki M, Dimas I, Vardas E, Theodoropoulou A, Mathou N, Giannakopoulos A, Karmiris K, Mpitouli A, Apessou D, Giannikaki L, Karagiannis JA, Chlouverakis G, Paspatis GA.

Endoscopy. 2018 Apr;50(4):403-411. doi: 10.1055/s-0043-118594. Epub 2017 Sep 12.


A systematic review of dental disease management in cancer patients.

Hong CHL, Hu S, Haverman T, Stokman M, Napeñas JJ, Braber JB, Gerber E, Geuke M, Vardas E, Waltimo T, Jensen SB, Saunders DP.

Support Care Cancer. 2018 Jan;26(1):155-174. doi: 10.1007/s00520-017-3829-y. Epub 2017 Jul 22. Review.


Digital cholangioscopy (Spyglass™) in the diagnosis of cholangiocarcinoma.

Dimas ID, Fragaki M, Vardas E, Paspatis GA.

Ann Gastroenterol. 2017;30(2):253. doi: 10.20524/aog.2016.0110. Epub 2016 Dec 2. No abstract available.


Long-term recurrence of bile duct stones after endoscopic papillary large balloon dilation with sphincterotomy: 4-year extended follow-up of a randomized trial.

Paspatis GA, Paraskeva K, Vardas E, Papastergiou V, Tavernaraki A, Fragaki M, Theodoropoulou A, Chlouverakis G.

Surg Endosc. 2017 Feb;31(2):650-655. doi: 10.1007/s00464-016-5012-9. Epub 2016 Jun 17.


Nodular Lymphoid Hyperplasia with Aggressive Endoscopic Appearance in the Colon of an Adult Woman.

Fragaki M, Giannikaki E, Vardas E, Theodoropoulou A, Tavernaraki A, Christodoulakis M, Paspatis GA.

Clin Endosc. 2017 Mar;50(2):209-210. doi: 10.5946/ce.2016.041. Epub 2016 May 4. No abstract available.


The frequency of non-syndromic distomolar teeth in a Greek population sample?

Mitsea A, Vardas E, Papachatzopoulou A, Kalfountzos G, Leventis M, Tsiklakis K.

J Clin Exp Dent. 2015 Dec 1;7(5):e589-94. doi: 10.4317/jced.52411. eCollection 2015 Dec.


HIV-1 diversity in an antiretroviral treatment naïve cohort from Bushbuckridge, Mpumalanga Province, South Africa.

Msimanga PW, Vardas E, Engelbrecht S.

Virol J. 2015 Feb 13;12:24. doi: 10.1186/s12985-015-0244-1.


Use of a double-channel gastroscope reduces procedural time in large left-sided colonic endoscopic mucosal resections.

Voudoukis E, Tribonias G, Tavernaraki A, Theodoropoulou A, Vardas E, Paraskeva K, Chlouverakis G, Paspatis GA.

Clin Endosc. 2015 Mar;48(2):136-41. doi: 10.5946/ce.2015.48.2.136. Epub 2015 Mar 27.


Endoscopic Retrograde Cholangiopancreatography-Related Large Jejunal Perforation: Operate or Apply Over-the-Scope Clip Device?

Tribonias G, Voudoukis E, Vardas E, Theodoropoulou A, Margarita-Eleni M, Paspatis G.

Clin Endosc. 2014 May;47(3):281-3. doi: 10.5946/ce.2014.47.3.281. Epub 2014 May 31. No abstract available.


Molecular characterization of HIV-1 subtype C gp-120 regions potentially involved in virus adaptive mechanisms.

Cenci A, D'Avenio G, Tavoschi L, Chiappi M, Becattini S, Narino Mdel P, Picconi O, Bernasconi D, Fanales-Belasio E, Vardas E, Sukati H, Lo Presti A, Ciccozzi M, Monini P, Ensoli B, Grigioni M, Buttò S.

PLoS One. 2014 Apr 30;9(4):e95183. doi: 10.1371/journal.pone.0095183. eCollection 2014.


Quadrivalent HPV vaccine efficacy against disease related to vaccine and non-vaccine HPV types in males.

Goldstone SE, Jessen H, Palefsky JM, Giuliano AR, Moreira ED Jr, Vardas E, Aranda C, Hillman RJ, Ferris DG, Coutlee F, Marshall JB, Vuocolo S, Haupt RM, Guris D, Garner E.

Vaccine. 2013 Aug 20;31(37):3849-55. doi: 10.1016/j.vaccine.2013.06.057. Epub 2013 Jul 2.


SpyGlass Direct Visualization System facilitated management of iatrogenic biliary stricture: a novel approach in difficult cannulation.

Theodoropoulou A, Vardas E, Voudoukis E, Tavernaraki A, Tribonias G, Konstantinidis K, Paspatis GA.

Endoscopy. 2012;44 Suppl 2 UCTN:E433-4. doi: 10.1055/s-0032-1325857. Epub 2012 Dec 20. No abstract available.


Sixty- versus thirty-seconds papillary balloon dilation after sphincterotomy for the treatment of large bile duct stones: a randomized controlled trial.

Paspatis GA, Konstantinidis K, Tribonias G, Voudoukis E, Tavernaraki A, Theodoropoulou A, Chainaki I, Manolaraki M, Chlouverakis G, Vardas E, Paraskeva K.

Dig Liver Dis. 2013 Apr;45(4):301-4. doi: 10.1016/j.dld.2012.10.015. Epub 2012 Nov 26.


Anticipated changes in sexual risk behaviour following vaccination with a low-efficacy HIV vaccine: survey results from a South African township.

Andersson KM, Vardas E, Niccolai LM, Van Niekerk RM, Mogale MM, Holdsworth IM, Bogoshi M, McIntyre JA, Gray GE.

Int J STD AIDS. 2012 Oct;23(10):736-41. doi: 10.1258/ijsa.2009.009378.


Experimental study of the effect of autologous platelet-rich plasma on the early phases of osteoinduction by allogenic demineralized bone matrix.

Leventis MD, Eleftheriadis E, Oikonomopoulou P, Vavouraki H, Khaldi L, Tosios KI, Vardas E, Valavanis KD, Dontas I.

Implant Dent. 2012 Oct;21(5):399-405.


Conservative treatment of perforation following balloon dilation of the papilla after sphincterotomy.

Voudoukis E, Vardas E, Theodoropoulou A, Tavernaraki A, Kokkinaki M, Psillakis K, Paraskeva K, Paspatis GA.

Endoscopy. 2012;44 Suppl 2 UCTN:E292-3. doi: 10.1055/s-0032-1310027. Epub 2012 Aug 29. No abstract available.


Allergic rhinitis in South Africa: 2012 guidelines.

Green RJ, Hockman M, Friedman R, Vardas E, Cole P, Halkas A, Feldman C; South African Allergic Rhinitis Working Group (SAARWG).

S Afr Med J. 2012 Jun 7;102(8):693-6.


Background morbidity in HIV vaccine trial participants from various geographic regions as assessed by unsolicited adverse events.

Schmidt C, Smith C, Barin B, Bakhtyari A, Bart PA, Bekker LG, Chomba E, Clumeck N, Ho D, Hoosen A, Jaoko W, Kaleebu P, Karita E, Keefer MC, van Lunzen J, McMichael A, Mehendale S, Peters B, Ramanathan VD, Robinson A, Rockstroh J, Vardas E, Vets E, Weber J, Graham BS, Than S, Excler JL, Kochhar S, Ho M, Heald A, Fast PE.

Hum Vaccin Immunother. 2012 May;8(5):630-8. doi: 10.4161/hv.19454. Epub 2012 May 1.


Indicators of therapeutic effect in FIT-06, a Phase II trial of a DNA vaccine, GTU(®)-Multi-HIVB, in untreated HIV-1 infected subjects.

Vardas E, Stanescu I, Leinonen M, Ellefsen K, Pantaleo G, Valtavaara M, Ustav M, Reijonen K.

Vaccine. 2012 Jun 8;30(27):4046-54. doi: 10.1016/j.vaccine.2012.04.007. Epub 2012 Apr 28.


Detection of CMV in pouch mucosa in a patient with acute pouchitis: the real enemy or an innocent bystander?

Tribonias G, Karmiris K, Giannikaki E, Konstantinidis K, Voudoukis E, Theodoropoulou A, Vardas E, Paspatis GA.

J Crohns Colitis. 2012 Jul;6(6):728-9. doi: 10.1016/j.crohns.2012.02.011. Epub 2012 Mar 11. No abstract available.


Immunogenicity of the quadrivalent human papillomavirus (type 6/11/16/18) vaccine in males 16 to 26 years old.

Hillman RJ, Giuliano AR, Palefsky JM, Goldstone S, Moreira ED Jr, Vardas E, Aranda C, Jessen H, Ferris DG, Coutlee F, Marshall JB, Vuocolo S, Haupt RM, Guris D, Garner EI.

Clin Vaccine Immunol. 2012 Feb;19(2):261-7. doi: 10.1128/CVI.05208-11. Epub 2011 Dec 7.


Intraosseous mandibular venous malformation.

Vardas E, Stavrou E, Leventis M, Chatzistamou I, Iatrou I, Alexandridis C.

J Craniofac Surg. 2011 Nov;22(6):e44-7. doi: 10.1097/SCS.0b013e318231e23e.


Human leukocyte antigen class I (A, B, C) and II (DRB1) diversity in the black and Caucasian South African population.

Paximadis M, Mathebula TY, Gentle NL, Vardas E, Colvin M, Gray CM, Tiemessen CT, Puren A.

Hum Immunol. 2012 Jan;73(1):80-92. doi: 10.1016/j.humimm.2011.10.013. Epub 2011 Oct 23.


Intra- and inter-clade cross-reactivity by HIV-1 Gag specific T-cells reveals exclusive and commonly targeted regions: implications for current vaccine trials.

Zembe L, Burgers WA, Jaspan HB, Bekker LG, Bredell H, Stevens G, Gilmour J, Cox JH, Fast P, Hayes P, Vardas E, Williamson C, Gray CM.

PLoS One. 2011;6(10):e26096. doi: 10.1371/journal.pone.0026096. Epub 2011 Oct 12.


A new antigen scanning strategy for monitoring HIV-1 specific T-cell immune responses.

Malnati MS, Heltai S, Cosma A, Reitmeir P, Allgayer S, Glashoff RH, Liebrich W, Vardas E, Imami N, Westrop S, Nozza S, Tambussi G, Buttò S, Fanales-Belasio E, Ensoli B, Ensoli F, Tripiciano A, Fortis C, Lusso P, Poli G, Erfle V, Holmes H.

J Immunol Methods. 2012 Jan 31;375(1-2):46-56. doi: 10.1016/j.jim.2011.09.005. Epub 2011 Sep 22.


A multiplex calibrated real-time PCR assay for quantitation of DNA of EBV-1 and 2.

Gatto F, Cassina G, Broccolo F, Morreale G, Lanino E, Di Marco E, Vardas E, Bernasconi D, Buttò S, Principi N, Esposito S, Scarlatti G, Lusso P, Malnati MS.

J Virol Methods. 2011 Dec;178(1-2):98-105. doi: 10.1016/j.jviromet.2011.08.022. Epub 2011 Aug 27.


Safety and reactogenicity of a quadrivalent human papillomavirus (types 6, 11, 16, 18) L1 viral-like-particle vaccine in older adolescents and young adults.

Moreira ED Jr, Palefsky JM, Giuliano AR, Goldstone S, Aranda C, Jessen H, Hillman RJ, Ferris D, Coutlee F, Vardas E, Marshall JB, Vuocolo S, Haupt RM, Guris D, Garner EI.

Hum Vaccin. 2011 Jul;7(7):768-75. doi: 10.4161/hv.7.7.15579. Epub 2011 Jul 1.


A prospective randomized comparison of cold vs hot snare polypectomy in the occurrence of postpolypectomy bleeding in small colonic polyps.

Paspatis GA, Tribonias G, Konstantinidis K, Theodoropoulou A, Vardas E, Voudoukis E, Manolaraki MM, Chainaki I, Chlouverakis G.

Colorectal Dis. 2011 Oct;13(10):e345-8. doi: 10.1111/j.1463-1318.2011.02696.x.


Deep sedation compared with moderate sedation in polyp detection during colonoscopy: a randomized controlled trial.

Paspatis GA, Tribonias G, Manolaraki MM, Konstantinidis K, Chainaki I, Theodoropoulou A, Vardas E, Chlouverakis G.

Colorectal Dis. 2011 Jun;13(6):e137-44. doi: 10.1111/j.1463-1318.2011.02555.x.


Efficacy of quadrivalent HPV vaccine against HPV Infection and disease in males.

Giuliano AR, Palefsky JM, Goldstone S, Moreira ED Jr, Penny ME, Aranda C, Vardas E, Moi H, Jessen H, Hillman R, Chang YH, Ferris D, Rouleau D, Bryan J, Marshall JB, Vuocolo S, Barr E, Radley D, Haupt RM, Guris D.

N Engl J Med. 2011 Feb 3;364(5):401-11. doi: 10.1056/NEJMoa0909537. Erratum in: N Engl J Med. 2011 Apr 14;364(15):1481.


External genital human papillomavirus prevalence and associated factors among heterosexual men on 5 continents.

Vardas E, Giuliano AR, Goldstone S, Palefsky JM, Moreira ED Jr, Penny ME, Aranda C, Jessen H, Moi H, Ferris DG, Liaw KL, Marshall JB, Vuocolo S, Barr E, Haupt RM, Garner EI, Guris D.

J Infect Dis. 2011 Jan 1;203(1):58-65. doi: 10.1093/infdis/jiq015.


A retrospective analysis of the characteristics, treatment and follow-up of 26 odontomas in Greek children.

Iatrou I, Vardas E, Theologie-Lygidakis N, Leventis M.

J Oral Sci. 2010 Sep;52(3):439-47.


Time to abandon the term angiomyolipoma for non-PEComatous angiomyomatous (or angiomatous) oral tumors with adipocytes.

Tosios KI, Koutlas IG, Kyriakopoulos VF, Balta M, Theologie-Lygidakis N, Vardas E, Iatrou I.

Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2010 Oct;110(4):492-7. doi: 10.1016/j.tripleo.2010.04.045. Epub 2010 Jul 31. Review.


A phase 2 study to evaluate the safety and immunogenicity of a recombinant HIV type 1 vaccine based on adeno-associated virus.

Vardas E, Kaleebu P, Bekker LG, Hoosen A, Chomba E, Johnson PR, Anklesaria P, Birungi J, Barin B, Boaz M, Cox J, Lehrman J, Stevens G, Gilmour J, Tarragona T, Hayes P, Lowenbein S, Kizito E, Fast P, Heald AE, Schmidt C.

AIDS Res Hum Retroviruses. 2010 Aug;26(8):933-42. doi: 10.1089/aid.2009.0242.


Oral nodular fasciitis: report of a case of the buccal mucosa.

Leventis M, Vardas E, Gkouzioti A, Chrysomali E, Chatzistamou I.

J Craniomaxillofac Surg. 2011 Jul;39(5):340-2. doi: 10.1016/j.jcms.2010.04.014. Epub 2010 Jun 8.


Characterization of HIV type 1 genetic diversity among South African participants enrolled in the AIDS Vaccine Integrated Project (AVIP) study.

Papathanasopoulos MA, Vardas E, Wallis C, Glashoff R, Buttó S, Poli G, Malnati M, Clerici M, Ensoli B.

AIDS Res Hum Retroviruses. 2010 Jun;26(6):705-9. doi: 10.1089/aid.2009.0281.


Rectal perforation caused by colonoscopic retroflexion.

Tribonias G, Konstantinidis K, Theodoropoulou A, Vardas E, Karmiris K, Velegrakis M, Paspatis GA.

Gastrointest Endosc. 2010 Mar;71(3):662. doi: 10.1016/j.gie.2009.05.033. No abstract available.


Efficacy of bispectral index monitoring as an adjunct to propofol deep sedation for ERCP: a randomized controlled trial.

Paspatis GA, Chainaki I, Manolaraki MM, Vardas E, Theodoropoulou A, Tribonias G, Konstantinidis K, Karmiris K, Chlouverakis G.

Endoscopy. 2009 Dec;41(12):1046-51. doi: 10.1055/s-0029-1215342. Epub 2009 Dec 4.


Comparison of standard vs high-definition, wide-angle colonoscopy for polyp detection: a randomized controlled trial.

Tribonias G, Theodoropoulou A, Konstantinidis K, Vardas E, Karmiris K, Chroniaris N, Chlouverakis G, Paspatis GA.

Colorectal Dis. 2010 Oct;12(10 Online):e260-6. doi: 10.1111/j.1463-1318.2009.02145.x.


International epidemiology of human pre-existing adenovirus (Ad) type-5, type-6, type-26 and type-36 neutralizing antibodies: correlates of high Ad5 titers and implications for potential HIV vaccine trials.

Mast TC, Kierstead L, Gupta SB, Nikas AA, Kallas EG, Novitsky V, Mbewe B, Pitisuttithum P, Schechter M, Vardas E, Wolfe ND, Aste-Amezaga M, Casimiro DR, Coplan P, Straus WL, Shiver JW.

Vaccine. 2010 Jan 22;28(4):950-7. doi: 10.1016/j.vaccine.2009.10.145. Epub 2009 Nov 17.


Intussusception following enteroscopy and ileo-colonoscopy in an adult with acquired immune deficiency syndrome.

Theodoropoulou A, Konstantinidis K, Kteniadakis S, Tribonias G, Tzanoudakis G, Vardas E, Karmiris K, Psillakis K, Zois E, Tzortzakakis E, Paspatis GA.

Endoscopy. 2009;41 Suppl 2:E162-3. doi: 10.1055/s-0029-1214688. Epub 2009 Jun 19. No abstract available.


Endoscopic sedation in Greece: results from a nationwide survey for the Hellenic Foundation of gastroenterology and nutrition.

Paspatis GA, Manolaraki MM, Tribonias G, Theodoropoulou A, Vardas E, Konstantinidis K, Chlouverakis G, Karamanolis DG.

Dig Liver Dis. 2009 Nov;41(11):807-11. doi: 10.1016/j.dld.2009.03.003. Epub 2009 May 1.


Sexual risk behaviour of the first cohort undergoing screening for enrollment into Phase I/II HIV vaccine trials in South Africa.

Andersson KM, Van Niekerk RM, Niccolai LM, Mlungwana ON, Holdsworth IM, Bogoshi M, McIntyre JA, Gray GE, Vardas E.

Int J STD AIDS. 2009 Feb;20(2):95-101. doi: 10.1258/ijsa.2008.008207.

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