Publications by authors named "Ioannis Varthalitis"

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Treatment of an unresectable cardiac angiosarcoma using paclitaxel and image guided radiotherapy: Case report and literature review.
Anastasia Stergioula, Panagiotis Pantelakos, Ioannis Varthalitis, Georgios Agrogiannis, Evaggelos Pantelis

Clin Transl Radiat Oncol· May 2023

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Prophylaxis of cancer-associated venous thromboembolism with low-molecular-weight heparin-tinzaparin: Real world evidence.
Athina Christopoulou, Alexandros Ardavanis, Christos Papandreou, Georgios Koumakis, Georgios Papatsimpas, Ioannis Varthalitis

Oncol Lett· April 2022

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Clinical Significance of Germline Cancer Predisposing Variants in Unselected Patients with Pancreatic Adenocarcinoma.
Elena Fountzilas, Alexia Eliades, Georgia-Angeliki Koliou, Achilleas Achilleos, Charalambos Loizides, Ioannis Varthalitis

Cancers (Basel)· January 2021

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Observational Study of Clinical Practice in Patients with Pancreatic Adenocarcinoma in Greece.
George Papaxoinis, Athanasios Athanasiadis, Joseph Sgouros, Anastastios Visvikis, Maria Drizou, Ioannis Varthalitis

J Oncol· September 2020

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Real-World Data on Thromboprophylaxis in Active Cancer Patients: Where Are We? Are We Getting There?
Nikolaos Tsoukalas, Pavlos Papakotoulas, Athina Christopoulou, Alexandros Ardavanis, Georgios Koumakis, Ioannis Varthalitis

Cancers (Basel)· July 2020

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Clinical feasibility of NGS liquid biopsy analysis in NSCLC patients.
Eirini Papadopoulou, Nikolaos Tsoulos, Katerina Tsantikidi, Vasiliki Metaxa-Mariatou, Pinelopi Eleftheria Stamou, Ioannis Varthalitis

PLoS One· April 2020

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Management of Cancer-associated Thrombosis (CAT): Symptomatic or Incidental.
Pavlos Papakotoulas, Nikolaos Tsoukalas, Athina Christopoulou, Alexandros Ardavanis, Georgios Koumakis, Ioannis Varthalitis

Anticancer Res· January 2020

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Pathogenic mutations and overall survival in 3,084 patients with cancer: the Hellenic Cooperative Oncology Group Precision Medicine Initiative.
Elena Fountzilas, Vassiliki Kotoula, Georgia-Angeliki Koliou, Eleni Giannoulatou, Helen Gogas, Ioannis Varthalitis

Oncotarget· January 2020

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Prognostic implications of mismatch repair deficiency in patients with nonmetastatic colorectal and endometrial cancer.
Elena Fountzilas, Vassiliki Kotoula, George Pentheroudakis, Kyriaki Manousou, Genovefa Polychronidou, Ioannis Varthalitis

ESMO Open· March 2019

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Gemcitabine Combined with the mTOR Inhibitor Temsirolimus in Patients with Locally Advanced or Metastatic Pancreatic Cancer. A Hellenic Cooperative Oncology Group Phase I/II Study.
Vasilios Karavasilis, Epaminontas Samantas, Georgia-Angeliki Koliou, Anna Kalogera-Fountzila, George Pentheroudakis, Ioannis Varthalitis

Target Oncol· December 2018

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Prognostic significance of tumor genotypes and CD8+ infiltrates in stage I-III colorectal cancer.
Elena Fountzilas, Vassiliki Kotoula, Ioannis Tikas, Kyriaki Manousou, Kyriaki Papadopoulou, Ioannis Varthalitis

Oncotarget· November 2018

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Phase II study of panitumumab combined with capecitabine and oxaliplatin as first-line treatment in metastatic colorectal cancer patients: clinical results including extended tumor genotyping.
George Papaxoinis, Vassiliki Kotoula, Eleni Giannoulatou, Georgia-Angeliki Koliou, Vasilios Karavasilis, Ioannis Varthalitis

Med Oncol· May 2018

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Nab-paclitaxel as second-line treatment in advanced gastric cancer: a multicenter phase II study of the Hellenic Oncology Research Group.
Panagiotis Katsaounis, Athanasios Kotsakis, Nikolaos Kentepozidis, Aris Polyzos, Marios Bakogeorgos, Ioannis I Varthalitis

Ann Gastroenterol· November 2017

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Sequential vs concurrent epirubicin and docetaxel as adjuvant chemotherapy for high-risk, node-negative, early breast cancer: an interim analysis of a randomised phase III study from the Hellenic Oncology Research Group.
Dimitrios Mavroudis, Emmanouil Saloustros, Ioannis Boukovinas, Pavlos Papakotoulas, Stylianos Kakolyris, Ioannis Varthalitis

Br J Cancer· July 2017

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Significance of PIK3CA Mutations in Patients with Early Breast Cancer Treated with Adjuvant Chemotherapy: A Hellenic Cooperative Oncology Group (HeCOG) Study.
George Papaxoinis, Vassiliki Kotoula, Zoi Alexopoulou, Konstantine T Kalogeras, Flora Zagouri, Ioannis Varthalitis

PLoS One· June 2016

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Utilization of Systemic Chemotherapy in Advanced Urothelial Cancer: A Retrospective Collaborative Study by the Hellenic Genitourinary Cancer Group (HGUCG).
Aristotle Bamias, Stavros Peroukidis, Sophia Stamatopoulou, Kimon Tzannis, Konstantinos Koutsoukos, Ioannis Varthalitis

Clin Genitourin Cancer· April 2016

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Immune response gene expression in colorectal cancer carries distinct prognostic implications according to tissue, stage and site: a prospective retrospective translational study in the context of a hellenic cooperative oncology group randomised trial.
George Pentheroudakis, Georgia Raptou, Vassiliki Kotoula, Ralph M Wirtz, Eleni Vrettou, Ioannis Varthalitis

PLoS One· February 2016

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The use of granulocyte colony stimulating factor (G-CSF) and management of chemotherapy delivery during adjuvant treatment for early-stage breast cancer--further observations from the IMPACT solid study.
Johanna Mäenpää, Ioannis Varthalitis, Frans Erdkamp, Andreas Trojan, Krzysztof Krzemieniecki

Breast· February 2016

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Lessons from the past: Long-term safety and survival outcomes of a prematurely terminated randomized controlled trial on prophylactic vs. hemoglobin-based administration of erythropoiesis-stimulating agents in patients with chemotherapy-induced anemia.
Giannis Mountzios, Gerasimos Aravantinos, Zoi Alexopoulou, Eleni Timotheadou, Fotini Matsiakou, Ioannis Varthalitis

Mol Clin Oncol· February 2016

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Impact of tumor angiogenic profile on the outcome of patients with metastatic breast carcinoma treated with weekly docetaxel. A Hellenic Cooperative Oncology Group (HeCOG) study.
Helen P Kourea, Vassiliki Kotoula, Angelos Koutras, Zoi Alexopoulou, Irene Papaspirou, Ioannis Varthalitis

Histol Histopathol· September 2015

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Predictive biomarkers to chemotherapy in patients with advanced melanoma receiving the combination of cisplatin--vinblastine--temozolomide (PVT) as first-line treatment: a study of the Hellenic Cooperative Oncology Group (HECOG).
Helena Linardou, George Pentheroudakis, Ioannis Varthalitis, Helen Gogas, Dimitrios Pectasides

Anticancer Res· February 2015

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Dose-dense sequential adjuvant chemotherapy followed, as indicated, by trastuzumab for one year in patients with early breast cancer: first report at 5-year median follow-up of a Hellenic Cooperative Oncology Group randomized phase III trial.
George Fountzilas, Urania Dafni, Christos Papadimitriou, Eleni Timotheadou, Helen Gogas, Ioannis Varthalitis

BMC Cancer· July 2014

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A study of gene expression markers for predictive significance for bevacizumab benefit in patients with metastatic colon cancer: a translational research study of the Hellenic Cooperative Oncology Group (HeCOG).
George Pentheroudakis, Vassiliki Kotoula, Elena Fountzilas, George Kouvatseas, George Basdanis, Ioannis Varthalitis

BMC Cancer· February 2014

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Dose selection trial of metronomic oral vinorelbine monotherapy in patients with metastatic cancer: a hellenic cooperative oncology group clinical translational study.
Evangelos Briasoulis, Gerasimos Aravantinos, George Kouvatseas, Periklis Pappas, Eirini Biziota, Ioannis Varthalitis

BMC Cancer· May 2013

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A phase II study of metronomic oral vinorelbine administered in the second line and beyond in non-small cell lung cancer (NSCLC): a phase II study of the Hellenic Oncology Research Group.
Emmanouil Kontopodis, Dora Hatzidaki, Ioannis Varthalitis, Nikolaos Kentepozidis, Stylianos Giassas

J Chemother· February 2013

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