Prof. Dr. Cem HAYMANA

1. Clinical features of osteoporosis in patients with type 1 and type 2 diabetes in Türkiye: A nationwide study

YAVUZ D., HAYMANA C., AKKAN T., YALÇIN M. R., HEKİMSOY Z., Tasci I., et al.

Archives of Osteoporosis , cilt.21, sa.1, 2026 (SCI-Expanded, Scopus)

2. Turkish cross-sectional survEy of glycemic and other Metabolic parameters in patients with type 2 Diabetes in 2023: Comparison with 2018 nationwide data (TEMD-2 study)

Sonmez A., HAYMANA C., Demirci I., Cetinarslan B., GÖNEN M. S., Akbas E. M., et al.

Journal of Diabetes and its Complications , cilt.40, sa.9, 2026 (SCI-Expanded, Scopus)

3. Suboptimal LDL-Cholesterol Control Under the 2019 ESC/EAS Dyslipidemia Guidelines: Results From the Nationwide TEMD-2 Study in Type 2 Diabetes

Caklili O. T., HAYMANA C., Demirci İ., KEBAPÇI M. N., SARIAKÇALI B., EVREN B., et al.

Diabetes, Obesity and Metabolism , cilt.28, sa.9, ss.7779-7790, 2026 (SCI-Expanded, Scopus)

4. Prospective changes in sleep quality and depressive symptom burden following initiation of GLP-1-based therapies in patients with obesity: a real-world study

Kır Y., HAYMANA C., Toros B., Guler B. Y., Uflaz B., Eroğlu G. A., et al.

Journal of Endocrinological Investigation , 2026 (SCI-Expanded, Scopus)

5. Real-World Comparison of Short-Term Adverse Events, Treatment Persistence, and Efficacy of Semaglutide and Tirzepatide: A Nationwide Multicenter Study

Hepşen S., HAYMANA C., Ertepe Küçükgöde G., Özcan B., Özbaş B., OR KOCA A., et al.

Acta Cytologica , ss.1-17, 2026 (SCI-Expanded, Scopus)

6. Polypharmacy and associated factors in patients with type 2 diabetes: a nationwide cross-sectional study (TEMD-2 polypharmacy study)

Şah Ünal F. T., GÖKÇAY CANPOLAT A., EMRAL R., HAYMANA C., Demirci İ., Salman S., et al.

Postgraduate Medicine , cilt.138, sa.5, ss.557-566, 2026 (SCI-Expanded, Scopus)

7. Risk factors associated with gestational transient thyrotoxicosis and their effects on the pregnancy course

Guler B. Y., HAYMANA C., Yagci A. F., Demirci I., Sonmez A.

Archives of Endocrinology and Metabolism , cilt.69, sa.2, 2025 (SCI-Expanded, Scopus)

8. MOTS-C levels ın ındividuals with and without obesity and ıts association with ınflammation, insulin resistance and endothelial dysfunction

Ozkaya D. Y., Küpçük E., HAYMANA C., Koç G. E., Demirci I., Tasci I., et al.

Archives of Endocrinology and Metabolism , cilt.69, sa.5, 2025 (SCI-Expanded, Scopus)

9. Impact of Obesity on Metabolic Control in Type 2 Diabetes: Five-Year Trends of Turkish Nationwide Survey of Glycemic and Other Metabolic Parameters of Patients with Diabetes (TEMD Obesity Study, 2017–2022)

KÜÇÜKSARAÇ KIYICI D. S., Demirci I., Sonmez A., HAYMANA C., MERT M., NUHOĞLU İ., et al.

Obesity Facts , cilt.19, sa.1, ss.22-31, 2025 (SCI-Expanded, Scopus)

10. Reply to Reply: The clinical outcome of COVID-19 infection in patients with a history of thyroid cancer: A nationwide study

ŞAHİN M., Demirci İ., HAYMANA C., Taşçı İ., Sonmez A.

Clinical Endocrinology , cilt.99, sa.6, ss.533-534, 2023 (SCI-Expanded, Scopus)

11. Subacute THYROiditis Related to SARS-CoV-2 VAccine and Covid-19 (THYROVAC Study): A Multicenter Nationwide Study

Batman A., Yazici D., Dikbas O., Ağbaht K., SAYGILI E. S., Demirci İ., et al.

Journal of Clinical Endocrinology and Metabolism , cilt.108, sa.10, 2023 (SCI-Expanded, Scopus)

12. Clinical characteristics of adult and paediatric patients with familial hypercholesterolemia: A real-life cross-sectional study from the Turkish National Database

Sonmez A., Demirci I., HAYMANA C., Tasci I., Ayvalı M. O., ATA N., et al.

Atherosclerosis , cilt.375, ss.9-20, 2023 (SCI-Expanded, Scopus)

13. The Clinical Characteristics and Outcomes of COVID-19 Patients with Pre-Existing Thyroid Dysfunction: A Nationwide Study

ŞAHİN M., Demirci I., HAYMANA C., Tasci I., EMRAL R., ÇAKAL E., et al.

Hormone and Metabolic Research , cilt.55, sa.1, ss.25-30, 2023 (SCI-Expanded, Scopus)

14. Evaluation of sexual functional status and consistency of scales in patients with hypogonadotropic hypogonadism before and after testosterone replacement therapy: a single-center experience

AYDOĞAN Ü., DOĞANER Y. Ç., HAYMANA C., Kaplan U., Aydogdu A., Demirci I., et al.

Archives of Endocrinology and Metabolism , cilt.67, sa.2, ss.179-188, 2023 (SCI-Expanded, Scopus)

15. Triglyceride-glucose index levels in patients with Klinefelter syndrome and its relationship with endothelial dysfunction and insulin resistance: a cross-sectional observational study

Demirci I., HAYMANA C., Candemir B., Yuksel B., Eser M., MERİÇ C., et al.

Archives of Endocrinology and Metabolism , cilt.67, sa.3, ss.378-384, 2023 (SCI-Expanded, Scopus)

16. Critical questions in diabetes management: What are the most compelling challenges and how can we handle them?

Sonmez A., HAYMANA C., Demirci I., Cesur M., Rizzo M., Tasci I.

International Journal of Cardiology: Cardiovascular Risk and Prevention , cilt.15, 2022 (Scopus)

17. No association of Gaucher disease with COVID-19-related outcomes: a nationwide cohort study

Demirci I., Demir T., DAĞDELEN S., HAYMANA C., Tasci I., Atmaca A., et al.

Internal Medicine Journal , cilt.52, sa.3, ss.379-385, 2022 (SCI-Expanded, Scopus)

18. Higher rate of COVID-19 mortality in patients with type 1 than type 2 diabetes: A nationwide study

Demirci I., HAYMANA C., Tasci I., Satman I., Atmaca A., ŞAHİN M., et al.

Endokrynologia Polska , cilt.73, sa.1, ss.87-95, 2022 (SCI-Expanded, Scopus)

19. No association of anti-osteoporosis drugs with COVID-19-related outcomes in women: a nationwide cohort study

Atmaca A., Demirci I., HAYMANA C., Tasci I., Sahin I., ÇAKAL E., et al.

Osteoporosis International , cilt.33, sa.1, ss.273-282, 2022 (SCI-Expanded, Scopus)

20. Diagnostic Performance of the CUT Score in Assessing the Malignancy Risk of Thyroid Nodules

ERSÖZ GÜLÇELİK N., Candemir B., MERİÇ C., AKIN Ş., HAYMANA C., Demirci I., et al.

UHOD - Uluslararasi Hematoloji-Onkoloji Dergisi , cilt.32, sa.1, ss.35-43, 2022 (SCI-Expanded, Scopus, TRDizin)

21. Lower COVID-19 Mortality in Patients with Type 2 Diabetes Mellitus Taking Dipeptidyl Peptidase-4 Inhibitors: Results from a Turkish Nationwide Study

EMRAL R., HAYMANA C., DEMİRCİ İ., TAŞÇI İ., ŞAHİN M., ÇAKAL E., et al.

Diabetes Therapy , cilt.12, sa.11, ss.2857-2870, 2021 (SCI-Expanded, Scopus)

22. The clinical outcomes of COVID-19 infection in patients with a history of thyroid cancer: A nationwide study

ŞAHİN M., HAYMANA C., DEMİRCİ İ., TAŞÇI İ., Rıfat E., ÜNLÜTÜRK U., et al.

Clinical Endocrinology , cilt.95, sa.4, ss.628-637, 2021 (SCI-Expanded, Scopus)

23. Hematological indices in congenital male hypogonadism and the effects of testosterone replacement therapy: a retrospective study

Demirci İ., HAYMANA C., Demir O., AKIN O., MERİÇ C., Aydoğdu A., et al.

Gulhane Medical Journal , cilt.63, sa.3, ss.205-211, 2021 (Scopus, TRDizin)

24. Clinical Characteristics and Outcomes of COVID-19 Patients with Overweight and Obesity: Turkish Nationwide Cohort Study (TurCObesity)

Sahin I., HAYMANA C., Demir T., Demirci I., Tasci I., Atmaca A., et al.

Experimental and Clinical Endocrinology and Diabetes , cilt.130, sa.2, ss.115-124, 2021 (SCI-Expanded, Scopus)

25. Clinical outcomes of non-diabetic COVID-19 patients with different blood glucose levels: a nationwide Turkish study (TurCoGlycemia)

HAYMANA C., Demirci I., Tasci I., ÇAKAL E., Salman S., Ertugrul D., et al.

Endocrine , cilt.73, sa.2, ss.261-269, 2021 (SCI-Expanded, Scopus)

26. Clinical characteristics and outcomes of COVID-19 in patients with type 2 diabetes in Turkey: A nationwide study (TurCoviDia) 土耳其2型糖尿病患者患有COVID-19的临床特征和结果:一项全国性研究(TurcoviDia)

Sonmez A., Demirci I., HAYMANA C., Tasci I., DAĞDELEN S., Salman S., et al.

Journal of Diabetes , cilt.13, sa.7, ss.585-595, 2021 (SCI-Expanded, Scopus)

27. Betatrophin levels are related to the early histological findings in nonalcoholic fatty liver disease

Sonmez A., Dogru T., ERÇİN C. N., Genc H., Celebi G., Gurel H., et al.

Metabolites , cilt.11, sa.7, 2021 (SCI-Expanded, Scopus)

28. Triglyceride-glucose index levels in patients with congenital hypogonadotropic hypogonadism and the relationship with endothelial dysfunction and insulin resistance

Demirci I., HAYMANA C., Candemir B., MERİÇ C., Yuksel B., Eser M., et al.

Endokrynologia Polska , cilt.72, sa.3, ss.232-237, 2021 (SCI-Expanded, Scopus)

29. Unexpectedly lower mortality rates in COVID-19 patients with and without type 2 diabetes in Istanbul

Satman I., Demirci I., HAYMANA C., Tasci I., Salman S., ATA N., et al.

Diabetes Research and Clinical Practice , cilt.174, 2021 (SCI-Expanded, Scopus)

30. Letter to the Editor from Candemir et al: "Prevalence and Incidence of Atrial Fibrillation in a Large Cohort of Adrenal Incidentalomas: A Long-Term Study"

Candemir B., HAYMANA C., CANDEMİR M.

Journal of Clinical Endocrinology and Metabolism , cilt.106, sa.4, 2021 (SCI-Expanded, Scopus)

31. Re: "Influence of Dietary Habits on Oxidative Stress Markers in Hashimoto's Thyroiditis" by Ruggeri et al.

Güler B. Y., HAYMANA C.

Thyroid , cilt.31, sa.4, ss.705, 2021 (SCI-Expanded, Scopus)

32. Characteristics of patients with hypertension in a population with type 2 diabetes mellitus. Results from the Turkish Nationwide SurvEy of Glycemic and Other Metabolic Parameters of Patients with Diabetes Mellitus (TEMD Hypertension Study)

Sabuncu T., Eren M. A., Çorapçioğlu D., Üçler R., AKIN Ş., HAYMANA C., et al.

Primary Care Diabetes , cilt.15, sa.2, ss.332-339, 2021 (SCI-Expanded, Scopus)

33. Patterns and preferences of antidiabetic drug use in Turkish patients with type 2 diabetes – A nationwide cross-sectional study (TEMD treatment study)

HAYMANA C., Sonmez A., Demirci I., Fidan Yaylalı G., NUHOĞLU İ., Sancak S., et al.

Diabetes Research and Clinical Practice , cilt.171, 2021 (SCI-Expanded, Scopus)

34. Utilization of statins and LDL-cholesterol target attainment in Turkish patients with type 2 diabetes - a nationwide cross-sectional study (TEMD dyslipidemia study)

Bayram F., Sonmez A., HAYMANA C., Sabuncu T., DİZDAR O. S., GÜRKAN E., et al.

Lipids in Health and Disease , cilt.19, sa.1, 2020 (SCI-Expanded, Scopus)

35. A Cross-Sectional Study of Overtreatment and Deintensification of Antidiabetic and Antihypertensive Medications in Diabetes Mellitus: The TEMD Overtreatment Study

Tasci I., Demirci I., HAYMANA C., HAYMANA C., BARÇIN C., BARÇIN C., et al.

Diabetes Therapy , cilt.11, sa.5, ss.1045-1059, 2020 (SCI-Expanded, Scopus)

36. The screening of comorbid depressive disorders and associated risk factors in adult patients with type 2 diabetes Erişkin tip 2 diyabet hastalarında depresif bozuklukların ve ilişkili risk faktörlerinin taranması

Demirci İ., HAYMANA C., Sönmez A., Bolu A., Kirnap N., Demir O., et al.

Turkish Journal of Endocrinology and Metabolism , cilt.24, sa.3, ss.189-197, 2020 (ESCI, Scopus, TRDizin)

37. Cabergoline treatment in prolactinoma: Amelioration in obstructive and central sleep apneas

Binar M., Karakoc O., HAYMANA C., ARSLAN H.

Journal of Postgraduate Medicine , cilt.65, sa.1, ss.47-49, 2019 (SCI-Expanded, Scopus)

38. Impact of obesity on the metabolic control of type 2 diabetes: Results of the Turkish nationwide survey of glycemic and other metabolic parameters of patients with diabetes mellitus (TEMD Obesity study)

Sonmez A., YUMUK V. D., HAYMANA C., Demirci I., BARÇIN C., KÜÇÜKSARAÇ KIYICI D. S., et al.

Obesity Facts , cilt.12, sa.2, ss.167-178, 2019 (SCI-Expanded, Scopus)

39. Turkish nationwide survEy of glycemic and other Metabolic parameters of patients with Diabetes mellitus (TEMD study)

Sonmez A., HAYMANA C., Bayram F., Salman S., DİZDAR O. S., GÜRKAN E., et al.

Diabetes Research and Clinical Practice , cilt.146, ss.138-147, 2018 (SCI-Expanded, Scopus)

40. Complementary role of parathormone washout test to 99m Tc-MIBI parathyroid scintigraphy and histopathologic analysis of cell types in parathyroid adenomas Gammagrafía paratiroidea con 99m Tc-MIBI: valor complementario de la paratohormona en el aspirado y análisis histopatológico de los tipos de células en los adenomas paratiroideos

İNCE S., Emer O., Deveci S., OKUYUCU K., ALAGÖZ E., San H., et al.

Revista Espanola de Medicina Nuclear e Imagen Molecular , cilt.37, sa.4, ss.205-210, 2018 (SCI-Expanded, Scopus)

41. Increased endothelial dysfunction and insulin resistance in patients with klinefelter syndrome

HAYMANA C., Aydoğdu A., Demirci İ., Dinç M., Demir O., TORUN D., et al.

Endocrine, Metabolic and Immune Disorders - Drug Targets , cilt.18, sa.4, ss.401-406, 2018 (SCI-Expanded, Scopus)

42. Oxidative stress status in congenital hypogonadism: an appraisal

HAYMANA C., Aydoğdu A., Soykut B., ERDEM O., Ibrahimov T., Dinc M., et al.

Toxicology Mechanisms and Methods , cilt.27, sa.6, ss.451-457, 2017 (SCI-Expanded, Scopus)

43. Association of neck circumference and pulmonary function in children

Akın O., ARSLAN M., HAYMANA C., KARABULUT E., Hacihamdioglu B., Yavuz S. T.

Annals of Allergy, Asthma and Immunology , cilt.119, sa.1, ss.27-30, 2017 (SCI-Expanded, Scopus)

44. Effect of testosterone replacement therapy on Vitamin D and FGF-23 levels in congenital hypogonadism

HAYMANA C., Sonmez A., Aydogdu A., Tapan S., Basaran Y., MERİÇ C., et al.

Endokrynologia Polska , cilt.68, sa.3, ss.311-316, 2017 (SCI-Expanded, Scopus)

45. Add on Exenatide Treatment is Beneficial in Poorly Controlled Obese Type 2 Diabetics under Intensive Insulin Regimens

Sönmez A., Dinç M., Taśllplnar A., Aydoǧdu A., MERİÇ C., Baśaran Y., et al.

Experimental and Clinical Endocrinology and Diabetes , cilt.125, sa.4, ss.256-261, 2017 (SCI-Expanded, Scopus)

46. Comment on: Preoperative Sarcopenia Strongly Influences the Risk of Postoperative Pancreatic Fistula Formation After Pancreaticoduodenectomy

SAFER U., HAYMANA C., BİNAY SAFER V.

Journal of Gastrointestinal Surgery , cilt.21, sa.2, ss.422-423, 2017 (SCI-Expanded, Scopus)

47. Identifying undiagnosed or undertreated patients with familial hypercholesterolemia from the laboratory records of a tertiary medical center Tanı konmamış veya yeterli tedavi almayan ailevi hiperkolestrolemili hastaların bir üçüncü basamak sağlık merkezi laboratuvar kayıtlarından tespit edilmesi

HAYMANA C., Berlik H., Güneş Y., Tunçez O. E., Aytekin C., Tapıkara Z., et al.

Turk Kardiyoloji Dernegi Arsivi , cilt.45, sa.8, ss.731-738, 2017 (Scopus, TRDizin)

48. Visceral adiposity index and triglyceride/high-density lipoprotein cholesterol ratio in hypogonadism

HAYMANA C., Sonmez A., Aydogdu A., Tapan S., Basaran Y., MERİÇ C., et al.

Archives of Endocrinology and Metabolism , cilt.61, sa.3, ss.282-287, 2017 (SCI-Expanded, Scopus)

49. Assessment of a low ankle brachial index in young males with congenital hypogonadism

HAYMANA C., Aydogdu A., Tasci I., SAFER U., Ibrahimov T., Dinc M., et al.

Gulhane Medical Journal , cilt.59, sa.1, ss.11-15, 2017 (Scopus, TRDizin)

50. Risk factors and stratification for recurrence of patients with differentiated thyroid cancer, elevated thyroglobulin and negative I-131 whole-body scan, by restaging 18F-FDG PET/CT

OKUYUCU K., İNCE S., ALAGÖZ E., Emer O., San H., Balkan E., et al.

Hellenic Journal of Nuclear Medicine , cilt.19, sa.3, ss.208-217, 2016 (SCI-Expanded, Scopus)

51. Trace Element Levels in Congenital Hypogonadotrophic Hypogonadism

Aydogdu A., HAYMANA C., Soykut B., ERDEM O., Basaran Y., Baskoy K., et al.

Biological Trace Element Research , cilt.171, sa.1, ss.26-32, 2016 (SCI-Expanded, Scopus)

52. The effect of testosterone replacement treatment on the inflammation and insulin resistance in patients with congenital hypogonadotrophic hypogonadism Konjenital hipogonadotropik hipogonadizm hastalarinda testosteron replasman tedavisinin inflamasyon ve insülin direncine etkisi

HAYMANA C., Sönmez A., Aydoğdu A., Taşlipinar A., MERİÇ C., Başaran Y., et al.

Gulhane Medical Journal , cilt.58, sa.4, ss.394-397, 2016 (Scopus, TRDizin)

53. Endothelial dysfunction, insulin resistance and inflammation in congenital hypogonadism, and the effect of testosterone replacement

Sonmez A., HAYMANA C., Aydogdu A., Tapan S., Basaran Y., MERİÇ C., et al.

Endocrine Journal , cilt.62, sa.7, ss.605-613, 2015 (SCI-Expanded, Scopus)

54. The role of plasma triglyceride/high-density lipoprotein cholesterol ratio to predict cardiovascular outcomes in chronic kidney disease

Sonmez A., Yilmaz M. I., Saglam M., Unal H. U., GÖK M., Cetinkaya H., et al.

Lipids in Health and Disease , cilt.14, sa.1, 2015 (SCI-Expanded, Scopus)

55. Measurement of cross-sectional area of the psoas for sarcopenia

HAYMANA C., SAFER U.

Colorectal Disease , cilt.17, sa.2, ss.172, 2015 (SCI-Expanded, Scopus)

56. Correct determination of abdominal fat accumulation

Cintosun Ü., Gürel H., Özgür G., HAYMANA C., BAŞGÖZ B. B., SAFER U.

Turkish Journal of Gastroenterology , cilt.25, sa.3, ss.342, 2014 (SCI-Expanded, Scopus, TRDizin)

57. Combined choroidal neovascularization and hypopituitarism in a patient with homozygous mutation in methylenetetrahydrofolate reductase gene

Aydogdu A., HAYMANA C., Baskoy K., DURUKAN A. H., Ozgur G., Azal O.

Journal of Research in Medical Sciences , cilt.19, sa.1, ss.75-79, 2014 (SCI-Expanded, Scopus)

58. Osteoprotegerin, fibroblast growth factor 23, and vitamin D3 levels in male patients with hypogonadism

MERİÇ C., Sonmez A., Aydogdu A., Tapan S., HAYMANA C., Basaran Y., et al.

Hormone and Metabolic Research , cilt.46, sa.13, ss.955-958, 2014 (SCI-Expanded, Scopus)

59. Effects of three different medications on metabolic parameters and testicular volume in patients with hypogonadotropic hypogonadism: 3-year experience

Aydogdu A., Bolu E., Sonmez A., Tasci I., HAYMANA C., Acar R., et al.

Clinical Endocrinology , cilt.79, sa.2, ss.243-251, 2013 (SCI-Expanded, Scopus)

60. Metabolic syndrome and the effect of testosterone treatment in young men with congenital hypogonadotropic hypogonadism

Sonmez A., HAYMANA C., Bolu E., Aydogdu A., Tapan S., SERDAR M. A., et al.

European Journal of Endocrinology , cilt.164, sa.5, ss.759-764, 2011 (SCI-Expanded, Scopus)

61. Plasma apelin levels in subjects with nonalcoholic fatty liver disease

ERÇİN C. N., Dogru T., Tapan S., Kara M., HAYMANA C., KARADURMUŞ N., et al.

Metabolism: Clinical and Experimental , cilt.59, sa.7, ss.977-981, 2010 (SCI-Expanded, Scopus)

62. Levels of soluble CD40 ligand and p-selectin in nonalcoholic fatty liver disease

ERÇİN C. N., Dogru T., Tapan S., KARSLIOĞLU Y., HAYMANA C., Kilic S., et al.

Digestive Diseases and Sciences , cilt.55, sa.4, ss.1128-1134, 2010 (SCI-Expanded, Scopus)

63. Chitotriosidase activity predicts endothelial dysfunction in type-2 diabetes mellitus

Sonmez A., HAYMANA C., Tapan S., SAFER U., Celebi G., Ozturk O., et al.

Endocrine , cilt.37, sa.3, ss.455-459, 2010 (SCI-Expanded, Scopus)

Yayınlar & Eserler

Yayın

Yayın (WoS)

Yayın (Scopus)

H-İndeks (WoS)

Atıf (Scopus)

H-İndeks (Scopus)

Proje

Tez Danışmanlığı

Açık Erişim