Prof. Dr.Ozan Özkaya , 1992 senesinde Uludağ Üniversitesi, Tıp Fakültesi’ni bitirdi ve 1998 senesinde Gazi Üniversitesi Tıp Fakültesi , Çocuk Sağlığı ve Hastalıkları uzmanlığı , 2002 senesinde Çocuk Nefroloji yan dal uzmanlığı , 2011 senesinde Çocuk Romatoloji yan dal uzmanlığı tamamladı . Ondokuz Mayıs Üniversitesi Tıp Fakültesi ‘nde yardımcı doçentlik (2002), Doçentik (2004) ve Profesörlük (2011) senelerinde ünvanlarını aldı. 2012 senesinde New York Üniversitesi Langone Medical Center, Pediatrik romatoloji ünitesinde bulundu. 2014-2015 yıllarında Sağlık Bakanlığı, Fatih Sultan Mehmet Eğitim ve Araştırma Hastanesi, 2015-2017 yılları arasında ise Okmeydanı Eğitim ve Araştırma Hastanesi’nde Çocuk Kliniği Eğitim Sorumlusu olarak görevini yaptı. Şu anda İstinye Üniversitesi Liv Hastanesi ve Liv Hospital Vadİstanbul Hastanesinde görevine devam etmektedir.

Uzmanlık alanları;

İdrar yolu enfeksiyonları
Üriner Sistemin doğumsal anormallikler (VUR, hidronefroz, UP, darlık vs)
Böbrek parankim hastalıkları
Glomerüler hastalıklar ( Akut ve kronik glomerülonefritler, nefrotik sendromlar)
Tübülointerstisiyel hastalıklar (Kalıtsal böbrek hastalıkları, Bartter Sendromu vb)
Böbreğin kistik hastalıkları (doğuştan veya sonradan oluşan)
Juvenil İdyopatik Artrit
Ailevi Akdeniz ateşi
Bağ Dokusu hastalıkları (SLE, Dermatomiyozit, skleroderma,vs)
Çocuklarda eklem hastalıkları
Periodik Ateş Sendromları


Ödüller,
1- Academic Olympics: Dünya 7. liği. Angiotensin reseptor gene polimorphism and acute renal failure in babies with RDS.1st meeting of Union of Neonatal Perinatal Societies (UNEPS), 2008, Kasım, Roma
Sözlü Bildiri Birincilik Ödülü. NT-proBNP, Kronik Böbrek Hastalarında Vücut Sıvı Durumunun Güvenilir Bir Göstergesi Midir? 9. Ulusal Çocuk Nefroloji Kongresi.24-27 Kasım, 20162.

2. Sözlü Bildiri Birincilik Ödülü. Çocukluk çağı nefrotik sendromlu hastalarda vücut sıvı hacminin belirlenmesinde Biyoelektrik impedans analizi, vena kava inferior çapının ölçümü ve NT-proBNP’nin yeri. 8. Ulusal Çocuk Nefroloji Kongresi. 29 Ekim -1 Kasım, 20143.
3. Genç Araştırmacı Ödülü, Ulusal Pediatrik Nefroloji kongresi,. Hiperkalsiürisi olan hastalarda vitamin D reseptör gen polimorfizmi, 3. Ulusal Pediatrik Nefroloji kongresi, Antalya, 10-13 Kasım, 20024. XVI. Ulusal Nükleer tıp kongresi, Prof.Dr.Suphi Artunkal teşvik ödülü. Çocuklarda Tc-99M MAG3 klirensi: Kan örneği ve gamma kamera ölçüm yöntemlerinin karşılaştırılması.XVI Ulusal Nükleer Tıp Kongresi,10-14 Mayıs 2003,Samsun
5.Fresenius Medical Care En iyi araştırma ikincilik ödülü, Sürekli ayaktan periton diyalizinde peritoneal fibrozis gelişiminde kanser antijen 125, Kolojen-3, bazik fibroblast büyüme faktörü,Plazminojen aktivatör inhibitör etkileri,17.Ulusal Nefroloji hipertansiyon,diyaliz ve transplantasyon kongresi, 5-8 Haziran, 20006.Organ Nakli Kuruluşları Koordinayon derneği, En iyi araştırma ikincilik ödülü, Anjiotensinojen ve angiotensin tip1 reseptör gen polimorfizmleri kronik allograft disfonksiyonu için belirleyici olabilir. 19. Ulusal Nefroloji Hipertansiyon Diyaliz ve Transplantasyon Kongresi, Antalya, 2002

Uluslarası dergilerde Yayınlanan makaleler

1. Nalcacioglu H, Ozkaya O, Baysal K, Kafali CH, Avci B, Tekcan D, Genc G. The Role of Bioelectrical Impedance Analysis, NT-ProBNP and Inferior Vena Cava Sonography in the Assessment of Body Fluid Volume in Children with Nephrotic Syndrome (Nephrologia, basım aşamasında)

2. Deschênes G, Vivarelli M, Peruzzi L; ESPN Working Group on Idiopathic Nephrotic Syndrome.. Alpay H, Alvaro Madrid A, Andersen R, Bald M, Benetti E, Berard E, Bockenhauer D, Boyer O, Brackman D, Dossier C, Ekinci Z, Emma F, Enneman B, Espinosa-Roman L, Fila M, Ghio L, Groothoff JW, Guigonis V, Jankauskiene A, Kagan M, Kovacevic M, Kemper MJ, Levtchenko E, Maringhini S, Mir S, Mitsioni A, Mizerska-Wasiak M, Wasiak K, Moczulska A, Montini G, Murer L, Nuutinen M, Obukhova V, Oh J, Ozkaya O, Papalia T, Peco Antic A, Pecoraro C, Pena-Carrion A, Petrossian E, Pietrement C, Prikhodina L, Querfeld U, Rittig S, Saleem MA, Saraga M, Savenkova N, Sever L, Tullus K, Ulinski T, Vande Walle J, Vara J, Webb N, Weber LT, Zurowska A. Variability of diagnostic criteria and treatment of idiopathic nephrotic syndrome across European countries. Eur J Pediatr. 2017 Mar 16. doi: 017-2891-2. [Epub ahead of print]

3. Korkmaz E, Lipska-Ziętkiewicz BS, Boyer O, Gribouval O, Fourrage C, Tabatabaei M, Schnaidt S, Gucer S, Kaymaz F, Arici M, Dinckan A, Mir S, Bayazit AK, Emre S, Balat A, Rees L1, Shroff R, Bergmann C, Mourani C, Antignac C1, Ozaltin F, Schaefer F; PodoNet Consortium. Collaborators (67) Azocar M, Quiroz L, Serna Higuita LM, Dušek J, Ranchin B, Fischbach M, Davitaia T, Gellermann J, Oh J, Melk A, Schaefer F, Wigger M, Fotios P, Sallay P, Gheissari A, Remuzzi G, Pasini A, Ghiggeri GM, Ardissino G, Benetti E, Emma F, Aoun B, Abou-Jaoudé P, Jankauskiene A,Wasilewska A, Hyla-Klekot L, Zurowska A, Drozdz D, Tkaczyk M, Borzecka H, Silska M, Jarmolinski T, Firszt-Adamczyk A, Ksiazek J, Kuzma-Mroczkowska E, Medynska A, Szczepanska M, Afonso AC, Jardim H, Peco-Antic A, Bogdanovic R, Krmar RT, Simonetti GD, Saeed B, Anarat A,Bakkaloglu A, Balat A, Baskin ZE, Cakar N, Erdogan O, Özcakar B, Ozaltin F, Sakallioglu O, Soylemezoglu O, Akman S, Gok F, Caliskan S,Candan C, Emre S, Mir S, Akil I, Ertan P, Özkaya O, Kalyoncu M, Simkova E, Alhammadi E, Sobko R. ADCK4-Associated Glomerulopathy Causes Adolescence-Onset FSGS. J Am Soc Nephrol. 2016 Jan;27(1):63-8.

4. Lipska BS, Ranchin B, Iatropoulos P, Gellermann J, Melk A, Ozaltin F, Caridi G, Seeman T, Tory K, Jankauskiene A, Zurowska A, Szczepanska M, Wasilewska A, Harambat J, Trautmann A, Peco-Antic A, Borzecka H, Moczulska A, Saeed B, Bogdanovic R, Kalyoncu M, Simkova E, Erdogan O, Vrljicak K, Teixeira A, Azocar M, Schaefer F; PodoNet Consortium. Collaborators: Azocar M, Higuita LM, Ranchin B, Fischbach M, Davitaia T, Gellermann J, Oh J, Melk A, Schaefer F, Wigger M, Printza N, Sallay P, Gheissari A, Noris M, Pasini A, Marco Ghiggeri G, Ardissino G, Benetti E, Emma F, Aoun B, Abou-Jaoudé P, Jankauskiene A, Wasilewska A, Gacka E, Zurowska A, Drozdz D, Tkaczyk M, Borzecka H, Silska M, Jarmolinski T, Firszt-Adamczyk A, Ksiazek J, Kuzma-Mroczkowska E, Medynska A, Szczepanska M, Caldas Afonso A, Jardim H, Bogdanovic R, Krmar RT, Simonetti GD, Saeed B, Anarat A, Balat A, Baskin ZE, Cakar N, Erdogan O, Ozcakar B, Ozaltin F, Sakallioglu O, Soylemezoglu O, Akman S, Gok F, Caliskan S, Candan C, Emre S, Mir S, Akil I, Ertan P, Ozkaya O, Kalyoncu M, Simkova E, Alhammadi E, Sobko R. Genotype-phenotype associations in WT1 glomerulopathy. Kidney Int. 2014 May;85(5):1169-78. doi: 10.1038/ki.2013.519. Epub 2014 Jan 8. PubMed PMID: 24402088.-Associated Glomerulopathy Causes Adolescence-Onset FSGS. J Am Soc Nephrol. 2016 Jan;27(1):63-8.

5. Illeez OG, Ozkan FU, Ozkaya O, Aktas I, Ozkan K. Bilateral Idiopathic Carpal Tunnel Syndrome in a 4-Year-Old Girl. J Trop Pediatr. 2017 Feb;63(1):78-81.

6. Bıçakcı Ü, Genç G, Tander B, Günaydın M, Demirel D, Özkaya O, Rızalar R, Arıtürk E, Bernay F. Single port laparoscopic and open surgical accesses of chronic peritoneal dialysis in children: A single center experience over 12years. J Minim Access Surg. 2016 Apr-Jun;12(2):162-6.

7. Ucakturk A, Avci B, Genc G, Ozkaya O, Aydin M. Kidney injury molecule-1 and neutrophil gelatinase associated lipocalin in normoalbuminuric diabetic children. J Pediatr Endocrinol Metab. 2016, Feb;29(2):145-518. Soylemezoglu O, Kandur Y, Duzova A, Ozkaya O, Kasapcopur O, Baskin E, Fidan K, Yalcinkaya F. Familial Mediterranean fever with a single MEFV mutation:comparison of rare and common mutations in a Turkish paediatric cohort. Clin Exp Rheumatol. 2015;33(6 Suppl 94):S152-5.

9. Trautmann A, Bodria M, Ozaltin F, Gheisari A, Melk A, Azocar M, Anarat A, Caliskan S, Emma F, Gellermann J, Oh J, Baskin E, Ksiazek J, Remuzzi G, Erdogan O, Akman S, Dusek J, Davitaia T, Özkaya O, Papachristou F, Firszt-Adamczyk A, Urasinski T, Testa S, Krmar RT, Hyla-Klekot L, Pasini A, Özcakar ZB, Sallay P, Cakar N, Galanti M, Terzic J, Aoun B, Caldas Afonso A, Szymanik-Grzelak H, Lipska BS, Schnaidt S, Schaefer F; PodoNet Consortium. Spectrum of steroid-resistant and congenital nephrotic syndrome in children: the PodoNet registry cohort. Clin J Am Soc Nephrol. 20157;10(4):592-600.

10. Baskin E, Gulleroglu K, Kantar A, Bayrakci U, Ozkaya O. Success of eculizumab in the treatment of atypical hemolytic uremic syndrome. Pediatr Nephrol. 2015,;30(5):783-9.

11. Lipska BS, Ranchin B, Iatropoulos P, Gellermann J, Melk A, Ozaltin F, Caridi, G, Seeman T, Tory K, Jankauskiene A, Zurowska A, Szczepanska M, Wasilewska A, Harambat J, Trautmann A, Peco-Antic A, Borzecka H, Moczulska A, Saeed B, Bogdanovic R, Kalyoncu M, Simkova E, Erdogan O, Vrljicak K, Teixeira A, Azocar M, Schaefer F; PodoNet Consortium. Collaborators: Azocar M, Higuita LM, Ranchin B, Fischbach M, Davitaia T, Gellermann J, Oh J, Melk A, Schaefer F, Wigger M, Printza N, Sallay P, Gheissari A, Noris M, Pasini A, Marco Ghiggeri G, Ardissino G, Benetti E, Emma F, Aoun B, Abou-Jaoudé P, Jankauskiene A, Wasilewska A, Gacka E, Zurowska A, Drozdz D, Tkaczyk M, Borzecka H, Silska M, Jarmolinski T, Firszt-Adamczyk A, Ksiazek J, Kuzma-Mroczkowska E, Medynska A, Szczepanska M, Caldas Afonso A, Jardim H, Bogdanovic R, Krmar RT, Simonetti GD, Saeed B, Anarat A, Balat A, Baskin ZE, Cakar N, Erdogan O, Ozcakar B, Ozaltin F, Sakallioglu O, Soylemezoglu O, Akman S, Gok F, Caliskan S, Candan C, Emre S, Mir S, Akil I, Ertan P, Ozkaya O, Kalyoncu M, Simkova E, Alhammadi E, Sobko R. Genotype-phenotype associations in WT1 glomerulopathy. Kidney Int. 2014;85(5):1169-7812. Bek K, Ozkaya O, Açıkgöz Y, Bedir A, Altuntaş A, Genc G. Plasma cell free DNA levels in children with Henoch Shonlein Purpura. Turkish Journal of Biochemistry. 201439(3): 397-400,

13. Genc G,Kilinc V, Bedir A, Ozkaya O.Effect of creatine and pioglitazone on Hk-2 cell line cisplatin nephrotoxicity.Ren Fail. 2014;36(7):1104-714. Genc G, Okuyucu A, Meydan BC, Yavuz O, Nisbet O, Hokelek M, Bedir A, Ozkaya O.Effect of free creatine therapy on cisplatin-induced renal damage.Ren Fail. 2014;36(7):1108-1315. Ozen S, Demirkaya E, Duzova A, Erdogan O, Erken E, Gul A, Kasapcopur O, Kasifoglu T, Kisacik B, Ozdogan H, Tunca M, Acikel C; Direskeneli H, Basbozkurt G, Sayarlioglu M, Yuksel S, Yildiz F, Donmez O, Berdeli A, Senel S, Ayaz N, Polat A, Sozeri B, Tabel Y, Akar S, Onat A, Ozkaya O, Emre S, Akinci N, Ozcelik G, Yavuz S, Yesilkaya S, Ugurlu S, Gok F, Poyrazoglu H, Bakkaloglu S, Erten S, Tufan A, Goker B,Kavukcu S, Cakar N, Saldir M, Delibas A, Makay B, Kısaarslan A, Unsal S, Topaloglu R, Erdem H. FMF Arthritis Vasculitis and Orphan disease Research in pediatric rheumatology (FAVOR) and Turkish FMF study group. FMF50: a score for assessing outcome in familial Mediterranean fever. Ann Rheum Dis. 2014;73(5):897-901.

16. Borte S, Celiksoy MH, Menzel V, Ozkaya O, Ozen FZ, Hammarström L, Yildiran A. Novel NLRP12 mutations associated with intestinal amyloidosis in a patient diagnosed with common variable immunodeficiency. Clin Immunol. 2014;154(2):105-11.

17. Acikgoz Y, Can B, Bek K, Acikgoz A, Ozkaya O, Genç G, Sarikaya S. The effect of simvastatin and erythropoietin on renal fibrosis in rats with unilateral ureteral obstruction. Ren Fail. 2014 Mar;36(2):252-718. Alayli G, Durmus D, Ozkaya O, Sen HE, Nalcacioglu H, Bilgici A, Kuru O. Functional capacity, strength, and quality of life in children and youth with familial Mediterranean fever. Pediatr Phys Ther. 2014;26(3):347-52.

19. Ozkaya O, Nalcacioglu H, Tekcan D, Genc G, Meydan BC, Ozdemir BH, Baysal MK,Keceligil HT. Eculizumab therapy in a patient with dense-deposit disease associated with partial lipodystropy. Pediatr Nephrol. 2014;29(7):1283-7.

20. Lipska BS, Iatropoulos P, Maranta R, Caridi G, Ozaltin F, Anarat A, Balat A, Gellermann J, Trautmann A, Erdogan O, Saeed B, Emre S, Bogdanovic R, Azocar M, Balasz-Chmielewska I, Benetti E, Caliskan S, Mir S, Melk A, Ertan P, Baskin E, Jardim H, Davitaia T, Wasilewska A, Drozdz D, Szczepanska M, Jankauskiene A, Higuita LM, Ardissino G, Ozkaya O, Kuzma-Mroczkowska E, Soylemezoglu O, Ranchin B, Medynska A, Tkaczyk M, Peco-Antic A, Akil I, Jarmolinski T, Firszt-Adamczyk A, Dusek J, Simonetti GD, Gok F, Gheissari A, Emma F, Krmar RT, Fischbach M, Printza N, Simkova E, Mele C, Marco Ghiggeri G, Schaefer F. Genetic screening in adolescents with steroid-resistant nephrotic syndrome. Kidney Int. 2013;84(1):206-13.

21. Ekinci Z.Candan C, Alpay H, Canpolat N, Akyüz S, Gündüz Z, Dursun H, Isıyel E, Öktem F, Tabel Y, Akil İ, Delibaş A, Güleroğlu K, akıncı N, Dincel N, Ozkaya O, Söylemezoğlu O. Hemolytic uremic syndrome outbreak in Turkey in 2011. Turk J Pediatr 2013;55(3):246-5222. Genc G, Avci B, Aygun C, Ozkaya O, Kücüködük S. Urinary NGAL in septic preterm babies: A preliminary study, Am J Perinatol. 2013;30(8):655-60.

23. Genc G, Ozkaya O, Avci B, Aygun C, Kücükodük S. Kidney Injury Molecule-1 as a promising biomarker for acute kidney injury in premature babies 2013;30(3):245-5224. Aires I, Santos AR,Bogarin R, Genc G,Prates J, Ozkaya O, Carvalho.Disruption of urate transport in familial renal glucosuria and report on SGLT2 expression in normal and pathological kidney. Port J Nephrol Hypert .2013, vol.27, :.425. Nalcacioglu H, Tekcan D, Genc G, Comba A, Can Meydan B, Caltepe G, Ozkaya O, Kalayci AG. A rare cause of nephrotic syndrome in a 14-year-old boy: Questions. Pediatr Nephrol. 2014 Jul;29(7):1283-7.

Nalcacioglu H, Tekcan D, Genc G, Comba A, Can Meydan B, Caltepe G, Ozkaya O, Kalayci AG. A rare cause of nephrotic syndrome in a 14-year-old boy: Answers. Pediatr Nephrol. 2012 Aug 24. [Epub ahead of print]

26. Nalcacioglu H, Ozden E, Genc G, Yakupoglu YK, Sarikaya S, Ozkaya O. An uncommon cause of acute kidney injury in young children: Cystinuria. J Pediatr Urol. 2013 Feb;9(1):e58-63.

27. Genc G, Ozkaya O, Aygun C, Yakupoglu YK, Nalcacioglu H. Vaccination status of children considered for renal transplants: missed opportunities for vaccine preventable diseases. Exp Clin Transplant. 2012;10(4):314-8.

28. Asilioglu N, Acikgoz Y, Paksu MS, Gunaydin M, Ozkaya O. Is Serum Cystatin C a Better Marker than Serum Creatinine for Monitoring Renal Function in Pediatric Intensive Care Unit? J Trop Pediatr. 2012;58(6):429-3429. Genc G, Bicakci U, Gunaydin M, Tander B, Aygun C, Ozkaya O, Rizalar R, Ariturk E, Kucukoduk S, Bernay F. Temporary peritoneal dialysis in newborns and children: a single-center experience over five years. Ren Fail. 2012;34(9):1058-61.

30. Alayli G, Durmus D, Ozkaya O, Sen HE, Genc G, Kuru O. Frequency of juvenile fibromyalgia syndrome in children with familial Mediterranean fever: effects on depression and quality of life. Clin Exp Rheumatol. 2011; 29(6 Suppl 69):S127-32.

31. Akpolat T, Özkaya O, Özen S. Homozygous M694V as a risk factor for amyloidosis in Turkish FMF patients. Gene. 2012 ; 15;492(1):285-9.

32. Özden E, Mercimek MN, Yakupoğlu YK, Özkaya O, Sarıkaya S. Modified Clavien classification in percutaneous nephrolithotomy: assessment of complications in children. J Urol. 2011; 185(1):264-833. Nalcacıoglu H, Genc G, Meydan BC, Ozkaya O. Hyperkalaemia in a female patient with systemic lupus erythematosus: answers. Pediatr Nephrol. 201227(9):1499-503.

34. Süllü Y, Yıldıran A, Sullu Y, Helek D, Özkaya O. Sarcoid uveitis simulating birdshot chorioretinopathy in a child. Retinal cases  brief reports 2012, 6(1):7-1035. Açıkgöz Y, Özkaya O, Bek K, Genç G, Sensoy SG, Hökelek M.Cryptosporidiosis: A rare and severe infection in a pediatric renal transplant recipient. Pediatr Transplant. Jun;16(4):E115-9.

36. Düzova A, Bakkaloglu A,Kalyoncu M,Poyrazoglu H, Delibas A, Ozkaya O,Peru Alpay H, Soylemezoglu O,Gur-Guven ABak M, Bircan Z,Cengiz N,Akil İ, Ozcakar B, Uncu N, Karabay-Bayazit A, Sonmez D and on behalf of The Turkish Society for Pediatric Nephrology Acute Kidney Injury Study Group. Etiology and outcome of acute kidney injury in children.Pediatr Nephrol 2010; 25(8):1453-6137. Ozkaya O, Yavuz O, Can B, Dilek M, Savlı E, Acikgoz Y, Akpolat T. Effect of Rosiglitazone on cisplatin-induced nephrotoxicity. Ren Fail. 2010;32(3):368-7138. Özkaya O, Genc G, Bek K, Süllü Y. A case of acetaminophen (paracetamol) causing renal failure without liver damage in a child and review of literature. Ren Fail. 2010;32(9):1125-739. Genc G, Ozkaya O, Bek K, Acikgoz Y, Danaci M. Rare Cause of Recurrent Hematuria in Children: Nutcracker Syndrome. J Trop Pediatr 2010;56(4):275-740. Genc G, Ozkaya O, Açıkgöz Y, Yapıcı O, Bek K, Şensoy SG, Özyürek E. Acute renal failure with acyclovir treatment in a child with leukemia. Drug Chem Toxicol 2010 ;33(2):217-941. Buyan N, Turkmen MA, Bilge I, Baskin E, Haberal M, Bilginer Y, Mir S, Emre S, Akman S, Ozkaya O, Fidan K, Alpay H, Kavukcu S, Sever L,Ozçakar B, Dogrucan N- Turkısh Pediatric Kidney Transplantation Study Group. Quality of Life in Children with Chronic Kidney Disease (with child and parent assessments). Pediatr Nephrol 201025(8):1487-9642. Ozkaya O, Bek K, Bedir A, Açıkgöz Y,Özdemir T. Plasma cell-free DNA levels in children on peritoneal dialysis. Nephron Clin Prac 2009, 15;113(4):c258-c26143. Erol I, Buyan N, Ozkaya O, Sahin F, Beyazova U, Söylemezoğlu O, Hasanoğlu Reference values for urinary calcium, sodium and potassium in healthy newborns,
infants and children. Turk J Pediatr. 2009;51(1):6-13.

44. Söylemezoglu O, Ozkaya O, Ozen S, Bakkaloglu A, Dusunsel R, Peru H, Çetinyurek A, Yıldız N, Donmez O, Buyan N, Mir S, Arısoy N Gur-Guven A, Alpay H, Ekim M, Aksu N, Soylu A, Gok F, Poyrazoglu H, Sonmez F; Turkish Pediatric Vasculitis Study Group Henoch-Schönlein Nephritis: a nationwide study. Nephron Clin Pract. 2009;112(3):c199-20445. Soylemezoglu O, Peru H, Gonen S, Cetinyurek A, Ozkaya O, Bakkaloğlu S, Buyan N, Hasanoglu E. CTLA-4 +49 A/G genotype and HLA-DRB1 polymorphisms in Turkish patients with Henoch Schonlein Purpura. Pediatr Nephrol 200823(8):1239-44.

46. Senturk N, Ozkaya O, AytekinS, Bek K, Açikgöz Y, Aydin F, Yuksel Bek, Turanli A.Y. Characteristics of pruritus in children on peritoneal dialysis. Nephron Clin Pract. 2008;109(3):c168-72.

47. Bek K, Ozkaya O, Mutlu B, Dağdemir A, Sungur M, Açikgöz Y, Işlek I, Baysal K. Charcoal haemoperfusion in amitriptyline poisoning: experience in 20 children. Nephrology. 2008; 13(3):193-7.

48. Alaylı G, Ozkaya O, Bek K, Calmaşur A, Diren B, Bek Y, Cantürk F. Physical function, muscle strength and muscle mass in children on peritoneal dialysis.Pediatr Nephrol. 2008; 23(4):639-644.

49. Yigit S, Bagci H, Ozkaya O, Ozdamar K, Cengiz K, Akpolat T. MEFV mutations in patients with familial Mediterranean fever in the Black Sea region of Turkey: Samsun experience J Rheumatol. 2008; 35(1):106-13.

50. Haciomeroglu P, Ozkaya O, Gunal N, Baysal K. An echocardiographic assessment of cardiac functions and structure in children on dialysis.Ren Fail. 2008;30(2):147-53.

51. Sakallioğlu EE, Lütfioğlu M, Ozkaya O, Aliyev E, Açikgöz G, Firatli E. Fluid dynamics of gingiva and gingival health in children with end stage renal failure. Arch Oral Biol. 2007; 52(12):1194-

52. Haciomeroglu P, Ozkaya O, Gunal N, Baysal K. Venous collapsibility index changes in children on dialysis.Nephrology. 2007;12(2):135-953. Bilen C, Koçak B, Kıtırcı G, Özkaya O, Sarıkaya S. Percutaneous Nephrolithotomy in children: Lessons learned in 5 years at a single Institution . J Urol 2007; 177: . Ozkaya O, Buyan N, Bideci A, Gonen S, Ortac E, Fidan K, Cinaz P, Söylemezoğlu O. Osteoprotegerin and RANKL serum levels and their relationship with serum Ghrelin in children with chronic renal failure and on dialysis. Nephron Clin Prac 2007;105(4): 153-855. Bek K, Ozkaya O, Fisgin T, Aliyazicioglu Y, Paksu MS, Ozgen T, Albayrak D,Baysal K. Protein Z and natural anticoagulants in children on peritoneal dialysis and hemodialysis.Pediatr Nephrol 2007;22(6):881-656. Kalman S, Bakkaloğlu S, Dalgiç B, Ozkaya O, Söylemezoğlu O, Buyan N. Recurrent hemolytic uremic syndrome associated with intestinal lymphangiectasia. J Nephrol. 2007; 20(2):246-9.

57. Bek K, Koçak S, Ozkaya O, Yilmaz Y, Aydin OF, Taşdöven CS. Carbamazepine poisoning managed with haemodialysis and haemoperfusion in three adolescents. Nephrology 2007;12(1):33-558. Özkaya O, Bek K, Alaca N, Ceyhan M, Açıkgöz Y, Taşdemir HA. Cerebral vasculitis in a child with Henoch-schönlein purpura and familial Mediterranean fever Clin Rheumatol. 2007; 26(10):1729-3259. Bilen C, Aygün C, Özkaya O, Aydin O, Sarıkaya S, Gürmen N. Percutaneous ureterostomy as an effective diverson in a Newborn. Int J Urol 2006; 13(5):622-4.

60. Bilen C, Özkaya O, Sarıkaya Ş, Aşcı R, Büyükalpelli R. Laparoscopic excision of renal hydatid cyst in a preadolescent . J Pediatr Urol 20062 :210-213, 200661. Aygün C, Özkaya O, Ayyıldız S, Güngör O, Mutlu B, Küçüködük Ş. An unusual cause of acute renal failure in newborn: hydrometrocolpos Pediatr Nephrol, 2006, 21(4):572-362. Ozkaya O, Paksu MS, Bek K, Yıldız L, Fısgın T, Gürmen N, Karagoz F. Renal amyloidosis due to pulmonary tuberculosis in a patient with Down syndrome. Eur J Pediatr. 2006; 165(2):134-13563. Ortaç E, Ozkaya O, Saraymen R, Yıldız N, Bedir A, Buyan N, Bek K, Okuyucu A, Baysal K. Low hair selenium and plasma glutathıone peroxidase in children with chronic renal failure. Pediatr Nephrol. 200621(11):1739-4564. Ozkaya O, Bek, Fışgın T, Aliyazıcıoğlu Y, Sultansuyu S, Açıkgöz YS, Albayrak D, Baysal K. Low protein Z levels in children wıth nephrotic syndrome. Pediatr Nephrology 2006 ,21; 1122-665. Aliyazicioglu Y, Özkaya O, Yakut H, İşlek İ, Alvur M. Leptin levels in Henoch-schonlein purpura. Clin Rheumatol 2007 ; 26 (3),371-566. On behalf of Turkish Pediatric Vasculitis Study Group; Ozen S, Bakkaloglu A,Dusunsel R, Soylemezoglu O, Ozaltin F, Poyrazoglu H, Kasapcopur O, Ozkaya O, Yalcinkaya F, Balat A, Kural N, Donmez O, Alpay H, Anarat A, Mir S, Gur-Guven A, Sonmez F, Gok F. Childhood vasculitides in Turkey: a nationwide survey. Clin Rheumatol. 2007; 26 (2),196-20067. Buyan N, Bideci A, Özkaya O, Ortac E, Bakkaloglu SA, Gönen S, Peru H, Söylemezoğlu O, Cinaz P. Leptin and resistin levels and their relationships with glucose metabolism in children wıth chronic renal insufficiency and undergoing dialysis. Nephrology, 2006, 11(3):192-6.

68. Özkaya O, Söylemezoğlu O, Gönen S, Mısırlıoğlu M, Tuncer S, Kalman S, Buyan N, Hasanoğlu E. Renin-Angiotensin System genes polymorphisms: association with susceptibility to Henoch-Schonlein Purpura and renal involvement Clin Rheumatol 2006, 25(6):861-569. Kalman S, Buyan N, Yürekli M, Özkaya O, Bakkaloglu S, Söylemezoglu O. Plasma and urinary adrenomedullin levels in children with acute pyelonephritis. Nephrology 200510(5):487-90.

70. Elli M, Söylemezoğlu O, Erbas D, Bakkaloglu SA, Buyan N, Özkaya O, Hasanoğlu E. Plasma and urine nitric oxide levels in healthy Turkish children. Pediatr Nephrol. 2005;20(11): 1605-971. Kalman S, Buyan N, Yurekli M, Özkaya O, Bakkaloglu S, Soylemezoglu O. Plasma and urinary adrenomedullin levels in children with renal parenchymal scar and vesicoureteral reflux. Pediatr Nephrol. 200520(8):1111-572. Özkaya O, Buyan N, Erol I, Atalay Y, Beyazova U, Sahin F, Soylemezoglu O. The relationship between urinary calcium, sodium, and potassium excretion in full-term healthy newborns. Turk J Pediatr. 2005;47(1):39-45.

73. Saglıker Y, Balal M, Sagliker Ozkaynak P, Paydas S, Sagliker C, Sabit Sagliker H, Kiralp N, Mumin Adam S, Tuncer I, Gonlusen G, Esenturk M, Gocmez E, Taskapan H, Yeksan M, Kobaner E, Özkaya O, Yuksekgonul M, Emir I, Cengiz N, Onder Isik I, Bilginer O, Guler T, Yakar H, Sarsmaz N, Dilaver S, Akoglu B, Basgumus M, Chirik E. Sagliker syndrome: uglifying human face appearance in late and severe secondary hyperparathyroidism in chronic renal failure. Semin Nephrol. 24(5):449-55.

74. Atasever T, Özkaya O, Abamor E, Soylemezoglu O, Buyan N, Unlu M, 99mTc ethylene dicysteine scintigraphy for diagnosing cortical defects in acute pyelonephritis: a comparative study with 99mTc dimercaptosuccinic acid. Nucl Med Commun. 200425(9):967-70.

75. Tunca M, Akar S, Onen F, Ozdogan H, Kasapcopur O, Yalcinkaya F, Tutar E, Ozen S, Topaloglu R, Yilmaz E, Arici M, Bakkaloglu A, Besbas N, Akpolat T, Dinc A, Erken S Arslan, Y Balaban, F Batman, Y Bayraktar, S Apras, M Calguneri, A Duzova, T Kav, F Ozaltin, H Simsek, B Sivri, GTatar. N Akkoc, S Kavukcu, A Soylu, M Turkmen, E Unsal. N Arisoy, S Caliskan, F Gogus, S Masatlioglu, L Sever. N Akkok, N Cakar, N Kara, H Kocak, S Ozalp. I Bilge, S Emre, A Gul, S Kamali, B Sadikoglu, F Selcukbiricik, A Sirin, A Sucu. K Bek, M Bulbul, A Delibaş, G Demircin, O Erdogan, A Oner. M Ekim, N Ozkaya, Ma Tekin. E Demirkaya, HErdem, F Gok, SPay. I Islek, Y Kabasakal, G Keser, M Ozmen. EAkoglu, Atagunduz, HDireskeneli, M Temel, S Tuglular. NBuyan, S Bakkaloglu, U Derici, B Goker, S Kalman, O Ozkaya, R Dusunsel, Z Gunduz, M Poyrazoglu. C Korkmaz. E Baskin, H K Koseoglu, U Saatci, E Yucel. E Coban, G Yakupoglu. F Oktem, E Tunc. Familial Mediterranean Fever (FMF) in Turkey Results of a Nationwide Multicenter Study, Medicine, 2005; 84 (1):1-1176. Söylemezoğlu O, Özkaya O, Gönen S, Mısırlıoğlu, M, Kalman S, Buyan N. Vitamin D receptor gene polymorphism in hypercalciuric children. Pediatr Nephrol. 200419(7):724-7.

77. Özkaya O, Derici U, Buyan N, Dalgic A, Dalgic B, Cingi E, Kitapci M, Sindel S, Hasanoglu E. Gastric emptying time in renal transplant recipients treated with cyclosporine. Transplant Proc. 2003; 35(8),2927-3078. Buyan N, Özkaya O, Bideci A, Söylemezoğlu O, Cinaz P, Gonen S, Kalman S, Bakkaloğlu S, Hasanoglu E. Leptin, soluble leptin receptor, and transforming growth factor-beta1 levels in minimal change nephrotic syndrome. Pediatr Nephrol. 2003;18(10):1009-14.

79. Özkaya O, Söylemezoğu O, Mısırlıoğlu M, Gönen S, Buyan N, Hasanoglu E. Polymorphisms in the vitamin D receptor gene and the risk of calcium nephrolithiasis in children. Eur Urol. 200344(1):150-4.

80. Söylemezoglu O, Özkaya O, Erbas D, Akkok N, Buyan N, Hasanoglu E. Nitric oxide in Henoch-Schonlein purpura. Scand J Rheumatol. 2002;31(5):271-4.

81. Söylemezoğlu O, Derici U, Arınsoy T, Hasanoglu A, Özkaya O, DalgıçA, Bideci A, Buyan N, Hasanoglu E. Changes in bone mineral density, insulin-like growth fact or-1 and insulin-like growth factor binding protein-3 in kidney transplant recipients. A longitudinal study. Nephron. 2002;91(3):468-73.

82. Özkaya O, Canturk F, Alaylı G, Akpolat I, Belet U, Diren B. An unusual presentation of familial Mediterranean fever with prolonged hip pain and amyloidosis. Scand J Rheumatol. 2004;33(2):123-583. Kalman S, Bakkaloglu SA, Özkaya O, Buyan N, Söylemezoğlu O. Measles: a rare communicable disease in a child with renal transplantation. Pediatr Transplant;6(5):432-4.

84. Derici U, Özkaya O, Arinsoy T, Erbas D, Sindel S, Bali M, Buyan N, Hasanoglu E, Söylemezoğlu O. Increased plasma nitrate levels in patients with crush syndrome in the Marmara earthquake. Clin Chim Acta. 2002: 322(1-2):99-103.

85. Özkaya O, Kalman S, Bakkaloglu S, Buyan N, Soylemezoglu O. Cyclosporine-associated facial paralysis in a child with renal transplant. Pediatr Nephrol 2002; 17(7):544-686. Söylemezoglu O, Özkaya O, Derici U, Memis L, Kalman S, Buyan N. A 10-year-old girl with renal failure and granulomas.Am J Kidney Dis. 200239(6):1323-7.

87. Karadeniz A, Oğuz A, Atoğlu Ö, Çitak C, Buyan N, Pınarlı G, Özkaya O, Kapucu Ö.Primary renal lymphoma and xanthogranulomatous pyelonephritis in children. J Nephrol.2002;30 (15): . Türktaş I, Özkaya O, Bostanci I, Bideci A, Cinaz P. Safety of inhaled corticosteroid therapy in young children with asthma. Ann Allergy Asthma Immunol. 200186(6):649-54.

Ulusal hakemli dergilerde yayınlan makaleler

1. Şahin E, Bayram B, Yüce N,Okumuş Ö, Ezgü FS, Ozkaya O. İdrar renginde koyulaşmanın nadir bir nedeni: Alkaptonüri. İKSST Derg 2017, 9(1)37-392. Retinal Distrofili Hastada Senior Loken Sendromu. Boğa A, Okumuş Ö, Karacı M,Yaşar A, Toksoy S,Özkaya O. İKSST Derg 2017, 9(1) 47-503. Bulum B, Tekcan D, Genç G, Özkaya O. Urinary Tract Infections in Children with Horseshoe Kidneys: A Single-Center with 5 Years Experience J Pediatr Inf 2015; 9: 108-134. Şahin E, , Şahinsev A, Bayram B, Özkaya O. Lineer Skleroderma: Nasıl Tedavi Edelim? İKSST Derg 7(3):140-143, 20155. Genc G, Özkaya O, Özden E, Varol S, Nalçacıoğlu H, Arslan S, Sarıkaya S. Enuresis: Is bedwetting really isolated or not ? J Exp. Clin. Med. 2013: 30:11-146. Bostancı Y, Yakupoglu K, Ataç F, Çetin H, Genc G, Nalçacıoğlu H, Özkaya O, Sarıkaya S. Renal Vein Transposition in Nutcracker Syndrome . Journal of Exp. Clin. Med 2013; 30:201-2037. Genç G, Çaltepe G, Özkaya O, Nalçacıoğlu N, Hökelek M, Kalaycı AG. Kronik böbrek yetmezliği nedeni ile diyaliz yapılan çocuklarda Helikobakter Pilori enfeksiyonu”, Haseki Tıp Bülteni , 20128. M. Oksüz, G. Genc, O. Ozkaya, K. Bek, S. Arslan, S. Sarikaya, “Clinical Characteristics of Urinary Tract Infectionsin a Tetiary Center”,, Yeni Tıp Dergisi 30(1),66, 20129. Yıldıran A, Helek D, Aynacı E, Özkaya O, Şensoy G, Yıldız L, Süllü Y, Özçelik U.Çocukluk çağı sarkoidozu:iki farklı klinik tablo. J Exp Clin Med 2010; 27:81-8410. Yakupoğlu K, Özden E, Koçak E, Dilek M, Akpolat T, L Arık N, Cengiz K, L Adıbelli Z, Özkaya O, Durupınar B, Tülek N, Danacı M, Ceylan L, Sarıkaya S. Bir Üniversite Hastanesinde Üç Yıllık Böbrek Nakli Deneyimi. 2009; 18 (2) : 76-8111. Özkaya O. Karışık bağ dokusu hastalığı (Derleme). Turkiye Klinikleri J Pediatr Sci 2008; 4(3):62-6512. Özkaya O. Enürezis (Derleme). Türkiye Klinikleri J Pediatr Sci. 2008; 4(1):106-11013. O, Bek K , Çocuklarda Periton Diyalizi. (Derleme) Türk Nefroloji Diyaliz ve Transp 2007;16 (Ek / Supplement 2) 77-8514. Bek K, Özkaya O, Fışgın T, Öztürk, N. Alaca, Paksu S. Henoch-Schönlein Purpura secondary to a vaccine preventable disease: Varicella, Ondokuz Mayıs Üniversitesi Tıp Dergisi 2007; 24(4): 141-14315. Lütfüoğlu M. Sakallıoğlu E, Özkaya O, Açıkgöz G. Kronik böbrek yetmezliği olan çocuklarda tükürük sıvı dinamiği ve Ağız salgı profilinin değerlendirilmesi GÜ Difl Hek Fak Derg 2008; 25 (1) :

16. İleri T, Söylemezoğlu O, Özkaya O, Gönen S, Buyan N. Sürekli Ayaktan Periton Diyalizi Uygulanan Çocuk Hastalarda Peritoneal Fibrozis Gelişiminde Erken Tanı Ankara Üniversitesi Tıp Fakültesi Mecmuası 2007; 60(1)

17. Akbalık M, Bek K,Karadeniz Ş, Özkaya O, Taşdöven CS, Baysal MK. Son dönem böbrek yetmezliği gelişen bir primer hiperokzalüri olgusu. Ondokuz Mayıs Üniversitesi Tıp Dergisi,2006; 23 (2), 65-6818. Erbaş G, Özdemir H, Yücel C, Abamor E, Kapucu O, Özkaya O, Söylemezoğlu O. Diagnostic value of intravenous contrast enhanced power doppler ultrasound in children with acute pyelonephritis 2007, 18:2, 81-8519. Elli, M , Özkaya O. Böbreğin gelişiminde Nitrik Oksid’in fizyopatolojik rolü (Derleme). T Klin Pediatr 2003;12:252-259.

20. Özkaya O, Söylemezoğlu O, Konuş Ö, Buyan N, Üstündağ G, Hasanoğlu E, Unresponsiveness to delayed thrombolytic therapy in infants with renal vein thrombosis. Gazi Medical Journal,2002, 13, 139-14321. Elli M, Özkaya O. Nitrik Oksid Biokimyası ve Sentezi (Derleme). Yeni Tıp Dergisi,2002, 19,155-15616.

22. Ozkaya O, Tümer L, Buyan N, Söylemezoğlu O, Hasanoğlu A, Hasanoğlu E. Two cases with neonatal Bartter syndrome, Gazi Medical Journal, 2000, 9, 133-13623. Dursun H, Özdemir H, Ergenekon E, Yücel C, Özkaya O, Koç E, Atalay Y. Üreteropelvik bileşke darlığı olan bir yenidoğanda perkütan nefrostomi kateteri uygulanması. Klinik bilimler ve Doktor, 2000, 6, 776-77824. Özkaya O, Türktaş İ, Demirsoy S, Oğuz A, Konuş Ö. Pneumomediastinum and subcutaneous emphysema complicating underdiagnosed asthma attacks. Gazi Medical Journal, 1998, 9, 146-14825. Özkaya O, Tunaoğlu S, Koç E, Türkyılmaz C.Yenidoğan döneminde bir Wolff-Parkinson-White Sendromu olgusu. Türkiye Klinikleri Journal of Pediatrics,1997, 6,77-8026. Özkaya O. Çocuklarda diz ağrıları (Derleme). Hipokrat lokomotor, 2003, 26, 9, 145-149