Bilimsel çalışmalar

Prof. Dr. Özlem Er

98 yayın. Her yayının yanında bilginin kaynağı yazar.

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  1. Comparison of First-Line Pembrolizumab Monotherapy Versus Chemo-Immunotherapy in Metastatic Non-Small Cell Lung Cancer Patients with PD-L1 TPS ≥ 50%: A Multicenter Real-World Study from Turkey

    Medicina, 2026

    DOI 10.3390/medicina62112136 Açık erişimli tam metinKaynak: OpenAlex

  2. Real‑world efficacy and safety data of immune checkpoint inhibitors in Turkish patients with metastatic melanoma: A Turkish oncology group retrospective study

    Molecular and Clinical Oncology, 2025

    DOI 10.3892/mco.2025.2846 PMID 40297501 Açık erişimli tam metinKaynak: OpenAlex

  3. Real-World Outcomes in BRAF-Mutant Non-small Cell Lung Cancer: A Multicenter Analysis From the Turkish Oncology Group

    Clinical Lung Cancer, 2025

    DOI 10.1016/j.cllc.2025.07.015 PMID 40813186 2 atıf (Europe PMC) Kaynak: OpenAlex

  4. Comparing the efficacy of regorafenib and 5-fluorouracil-based rechallenge chemotherapy in the third-line treatment of metastatic colorectal cancer

    BMC Cancer, 2024

    DOI 10.1186/s12885-023-11783-5 PMID 38166764 6 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  5. Beyond traditional therapies: clinical significance of complex molecular profiling in patients with advanced solid tumours—results from a Turkish multi-centre study

    Japanese Journal of Clinical Oncology, 2024

    DOI 10.1093/jjco/hyae002 PMID 38271177 1 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  6. Total Neoadjuvant Therapy Versus Neoadjuvant Chemoradiation for Locally Advanced Rectal Cancer: A Multi-Institutional Real-World Study

    Cancers, 2024

    DOI 10.3390/cancers16183213 PMID 39335184 8 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  7. Efficacy of subsequent treatments in patients with hormone-positive advanced breast cancer who had disease progression under CDK 4/6 inhibitor therapy

    BMC Cancer, 2023

    DOI 10.1186/s12885-023-10609-8 PMID 36765293 18 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  8. Major and minor salivary gland cancers: A multicenter retrospective study

    Head & Neck, 2023

    DOI 10.1002/hed.27376 PMID 37084179 8 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  9. The efficacy of immunotherapy and chemoimmunotherapy in patients with advanced rare tumors: A Turkish oncology group ( TOG ) study

    Cancer Medicine, 2023

    DOI 10.1002/cam4.6869 PMID 38140782 1 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  10. Short-Course Radiotherapy Followed by Consolidation Chemotherapy Is Safe and Effective in Locally Advanced Rectal Cancer: Comparative Short-term Results of Multicenter Propensity Score Case-Matched Study

    Diseases of the Colon & Rectum, 2023

    DOI 10.1097/dcr.0000000000002646 PMID 36856669 3 atıf (Europe PMC) Kaynak: OpenAlex

  11. Safety and survival in adult women with platinum sensitive relapsed BRCA mutant ovarian cancer: A study of patients in Olaparib Turkey Early Access Program—LynTurk study.

    Journal of Clinical Oncology, 2023

    DOI 10.1200/jco.2023.41.16_suppl.e17509 1 atıf (OpenAlex) Açık erişimli tam metinKaynak: OpenAlex

  12. Real life experience of patients with locally advanced gastric and gastroesophageal junction adenocarcinoma treated with neoadjuvant chemotherapy: a Turkish oncology group study

    Journal of Chemotherapy, 2022

    DOI 10.1080/1120009x.2022.2073159 PMID 35579894 1 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  13. Atezolizumab combined with chemotherapy in the first-line treatment of extensive-stage small cell lung cancer: a real-life data of the Turkish Oncology Group

    Journal of Cancer Research and Clinical Oncology, 2022

    DOI 10.1007/s00432-022-04087-x PMID 35689097 11 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  14. Optimizing the Personalized Care for the Management of Rectal Cancer: A Consensus Statement

    The Turkish Journal of Gastroenterology, 2022

    DOI 10.5152/tjg.2022.211103 PMID 35993526 4 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  15. Favorable locoregional control in clinically node-negative hormone-receptor positive breast cancer with low 21-gene recurrence scores: a single-institution study with 10-year follow-up

    BMC Cancer, 2022

    DOI 10.1186/s12885-022-10308-w PMID 36434599 2 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  16. MGMT in glial carcinogenesis. Roles from prevention to treatment

    European Journal of Cancer Prevention, 2022

    DOI 10.1097/cej.0000000000000746 PMID 35671254 3 atıf (Europe PMC) Kaynak: OpenAlex

  17. Treatment Strategies for Dopamine Agonist-Resistant and Aggressive Prolactinomas: A Comprehensive Analysis of the Literature

    Hormone and Metabolic Research, 2021

    DOI 10.1055/a-1525-2131 PMID 34282593 11 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  18. Benign leiomyoma with multiple metastases to vertebrae and calvarium: An index case with comprehensive review of endocrine targets

    Neurosurgical Review, 2020

    DOI 10.1007/s10143-020-01268-5 PMID 32078084 3 atıf (Europe PMC) Kaynak: OpenAlex

  19. Efficacy of Palbociclib and Endocrine Treatment in Heavily Pretreated Hormone Receptor-positive Her2-negative Advanced Breast Cancer: Retrospective Multicenter Trial

    Balkan Medical Journal, 2020

    DOI 10.4274/balkanmedj.galenos.2019.11.143 PMID 31970972 3 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  20. Clinicopathological and prognostic significance of microsatellit instability (MSI) status and PDl-1 expression in Turkish patients with gastric cancer.

    Journal of Clinical Oncology, 2019

    DOI 10.1200/jco.2019.37.15_suppl.e15538 1 atıf (OpenAlex) Kaynak: OpenAlex

  21. Pertuzumab, trastuzumab and taxane-based treatment for visceral organ metastatic, trastuzumab-naïve breast cancer: real-life practice outcomes

    Cancer Chemotherapy and Pharmacology, 2018

    DOI 10.1007/s00280-018-3712-7 PMID 30377778 8 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  22. Pertuzumab, trastuzumab and taxane combination for visceral organ metastatic patients: Real life practice results

    Annals of Oncology, 2018

    DOI 10.1093/annonc/mdy272.315 1 atıf (OpenAlex) Açık erişimli tam metinKaynak: OpenAlex

  23. Dealing with the gray zones in the management of gastric cancer: The consensus statement of the İstanbul Group

    The Turkish Journal of Gastroenterology, 2018

    DOI 10.5152/tjg.2018.18737 PMID 30541724 7 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  24. Tiroid Kanserlerinde Tirozin Kinaz İnhibitör Tedavisi, Kemoterapi ve Gelecekteki Olası Tedaviler

    Turkiye Klinikleri Medical Oncology - Special Topics, 2017

    Kaynak: OpenAlex

  25. 18F-fluorodeoxyglucose-positron emission tomography avid paraspinal soft-tissue mass mimicking a malign neoplasm: non-traumatic myositis ossificans

    The Spine Journal, 2016

    DOI 10.1016/j.spinee.2016.03.036 PMID 27001110 2 atıf (Europe PMC) Kaynak: OpenAlex

  26. Cutaneous melanoma in Turkey: analysis of 1157 patients in the Melanoma Turkish Study.

    PubMed, 2015

    PMID 26416068 5 atıf (Europe PMC) Kaynak: OpenAlex

  27. Positive Effects of Oral β-Glucan on Mucositis and Leukopenia in Colorectal Cancer Patients Receiving Adjuvant FOLFOX-4 Combination Chemotherapy

    Asian Pacific Journal of Cancer Prevention, 2014

    DOI 10.7314/apjcp.2014.15.8.3641 PMID 24870771 15 atıf (Europe PMC) Kaynak: OpenAlex

  28. Bone health in breast cancer patients: A comprehensive statement by CECOG/SAKK Intergroup

    The Breast, 2014

    DOI 10.1016/j.breast.2014.05.023 PMID 24986766 15 atıf (Europe PMC) Kaynak: OpenAlex

  29. The effect of small-molecular-weight heparin added to chemotherapy on survival in small-cell lung cancer - A retrospective analysis

    Indian Journal of Cancer, 2014

    DOI 10.4103/0019-509x.146784 PMID 25494131 5 atıf (Europe PMC) Kaynak: OpenAlex

  30. D-dimer is a marker of response to chemotherapy in patients with metastatic colorectal cancer.

    PubMed, 2013

    PMID 23818351 14 atıf (Europe PMC) Kaynak: OpenAlex

  31. Analysis of resected gastric cancer in Turkish population.

    PubMed, 2013

    DOI 10.5754/hge11078 PMID 24298576 Açık erişimli tam metinKaynak: OpenAlex

  32. Küçük Hücreli Akciğer Kanserinin Mide Metastazı: Olgu Sunumu

    Acibadem University Open Access Repository, 2012

    Açık erişimli tam metinKaynak: OpenAlex

  33. 349 High Ki67 Values Are Significantly Correlated with Oncotype DX Scores

    European Journal of Cancer, 2012

    DOI 10.1016/s0959-8049(12)70415-x Kaynak: OpenAlex

  34. Prognostic value of tumor growth factor levels during chemotherapy in patients with metastatic colorectal cancer

    Medical Oncology, 2012

    DOI 10.1007/s12032-012-0250-8 PMID 22580817 12 atıf (Europe PMC) Kaynak: OpenAlex

  35. Good clinical response to erlotinib in a lung adenocancer patient and grade 3 skin rash: a case report.

    2011

    Kaynak: OpenAlex

  36. Follicular Thyroid Cancer Presenting as a Pelvic Mass: A Case Report

    DOAJ (DOAJ: Directory of Open Access Journals), 2011

    Kaynak: OpenAlex

  37. Renal Hücreli Tümör ile Takip Edilen Olguda PET/BT ile Tesbit Edilen İntramüsküler Metastazlar

    Acibadem University Open Access Repository, 2010

    Kaynak: OpenAlex

  38. Cyclooxygenase-2 expression in gastrointestinal stromal tumours.

    PubMed, 2010

    PMID 21133589 4 atıf (Europe PMC) Kaynak: OpenAlex

  39. Hypoglycemia in a Patient With Metastatic Gastrointestinal Stromal Tumor: Is Chemotherapy a Reasonable Option for Symptom Control?

    2010

    Kaynak: OpenAlex

  40. Cisplatin, epirubicin and uracil-tegafur combination in metastatic gastric cancer: retrospective evaluation.

    2010

    Kaynak: OpenAlex

  41. Evaluation of expression of ERCC1 in hepatocellular cancer.

    Journal of Clinical Oncology, 2010

    DOI 10.1200/jco.2010.28.15_suppl.e14685 Açık erişimli tam metinKaynak: OpenAlex

  42. Triple-negative breast cancer: immunohistochemical correlation with basaloid markers and prognostic value of survivin

    Medical Oncology, 2009

    DOI 10.1007/s12032-009-9166-3 PMID 19156550 23 atıf (Europe PMC) Kaynak: OpenAlex

  43. Recovery of paraneoplastic hypercalcemia by sunitinib treatment for renal cell carcinoma: a case report and review of the literature

    Medical Oncology, 2009

    DOI 10.1007/s12032-009-9327-4 PMID 19830602 10 atıf (Europe PMC) Kaynak: OpenAlex

  44. VEGF, EGF, HGF, and PDGF levels during chemotherapy in patients with metastatic colorectal cancer

    Journal of Clinical Oncology, 2009

    DOI 10.1200/jco.2009.27.15_suppl.4057 Kaynak: OpenAlex

  45. The impact of genetic factors in the development of thrombosis in cancer patients

    Journal of Clinical Oncology, 2009

    DOI 10.1200/jco.2009.27.15_suppl.e22227 Kaynak: OpenAlex

  46. Gemcitabine Combined With Uracil-Tegafur in Patients With Advanced Pancreatic Cancer

    Journal of the National Medical Association, 2009

    DOI 10.1016/s0027-9684(15)31003-8 PMID 19715037 Kaynak: OpenAlex

  47. The predictors of information needs and different views of patients and relatives on disclosure and treatment participation: A multicentric survey study

    Journal of Clinical Oncology, 2009

    DOI 10.1200/jco.2009.27.15_suppl.e20526 Kaynak: OpenAlex

  48. Band 32, Heft 10, October 2009

    Onkologie, 2009

    DOI 10.1159/000243816 Açık erişimli tam metinKaynak: OpenAlex

  49. Clinical Course of Breast Cancer Patients With Metastases Limited to the Liver Treated With Chemotherapy

    The Cancer Journal, 2008

    DOI 10.1097/ppo.0b013e3181629a7b PMID 18303485 36 atıf (Europe PMC) Kaynak: OpenAlex

  50. Factors Related to Complementary/Alternative Medicine use among Cancer Patients in Central Anatolia

    Tumori Journal, 2008

    DOI 10.1177/030089160809400610 PMID 19267101 16 atıf (Europe PMC) Kaynak: OpenAlex