Geert‐Jan Creemers

Radboud University Nijmegen — Netherlands

Medicine · Health Sciences

29h-index3.1kcitations89works5.02yr avg
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Research Topics

Gastric Cancer Management and Outcomes(21), Colorectal Cancer Treatments and Studies(21), Pancreatic and Hepatic Oncology Research(17), Esophageal Cancer Research and Treatment(12), Cancer Treatment and Pharmacology(12)

Publications89 total

Real‐world study on fluoropyrimidine‐related toxicity outcomes in cancer patients with select <scp><i>DPYD</i></scp> variant alleles that received <scp><i>DPYD</i></scp> genotype‐guided dosing
International Journal of Cancer·2025Open Access
Hospital variation in treatment for synchronous metastatic esophageal and gastric cancer: A nationwide population‐based study in the Netherlands
International Journal of Cancer·2025Open Access
Patient-reported outcomes during first-line palliative systemic therapy alternated with pressurized intraperitoneal aerosol chemotherapy for unresectable colorectal peritoneal metastases: a single-arm phase II trial (CRC-PIPAC-II)
Surgical Endoscopy·2024· 5 citedOpen Access
Implementation of Best Practices in Pancreatic Cancer Care in the Netherlands
JAMA Surgery·2024· 20 citedOpen Access
Influence of surgery and perioperative antibiotic use on the intestinal microbiota of breast cancer patients
European Journal of Surgical Oncology·2024
Potential Adverse Outcomes of Shared Decision Making about Palliative Cancer Treatment: A Secondary Analysis of a Randomized Trial
Medical Decision Making·2023· 6 citedOpen Access
Timing of start of systemic treatment in patients with asymptomatic metastasized pancreatic cancer (TIMEPAN): a protocol of a multicenter prospective patient preference non-randomized trial
Acta Oncologica·2023· 5 citedOpen Access
Impact of nationwide implementation of best practices in pancreatic cancer care (PACAP-1): a stepped-wedge cluster randomised controlled trial
Pancreatology·2023
Locally recurrent rectal cancer: oncological outcomes of neoadjuvant chemoradiotherapy with or without induction chemotherapy
British journal of surgery·2023· 5 citedOpen Access
Nationwide implementation of best practices in pancreatic cancer care (PACAP-1): Stepped-wedge cluster randomized trial.
Journal of Clinical Oncology·2023
Locally recurrent rectal cancer: Oncological outcomes for patients with a pathological complete response after neoadjuvant therapy
British journal of surgery·2023· 9 citedOpen Access
Sex, Gender and Age Differences in Treatment Allocation and Survival of Patients With Metastatic Pancreatic Cancer: A Nationwide Study
Frontiers in Oncology·2022· 29 citedOpen Access
Long-Term Safety Data on S-1 Administered After Previous Intolerance to Capecitabine-Containing Systemic Treatment for Metastatic Colorectal Cancer
Clinical Colorectal Cancer·2022· 6 citedOpen Access
Definitions and treatment of oligometastatic oesophagogastric cancer according to multidisciplinary tumour boards in Europe
European Journal of Cancer·2022· 37 citedOpen Access
Beyond median overall survival: Estimating multiple survival scenarios in patients with metastatic esophagogastric cancer.
Journal of Clinical Oncology·2022· 1 cited
First- and Second-Line Palliative Systemic Treatment Outcomes in a Real-World Metastatic Pancreatic Cancer Cohort
Journal of the National Comprehensive Cancer Network·2021· 22 citedOpen Access
Sixty-Day Mortality of Patients With Metastatic Colorectal Cancer Randomized to Systemic Treatment vs Primary Tumor Resection Followed by Systemic Treatment
JAMA Surgery·2021· 51 citedOpen Access
Metabolic positron emission tomography/CT response after induction chemotherapy and chemo(re)irradiation is associated with higher negative resection margin rate in patients with locally recurrent rectal cancer
Colorectal Disease·2021· 8 citedOpen Access
Experienced quality of care and emotional functioning of patients with advanced cancer and their relatives: Results of a multicenter observational cohort study (eQuiPe).
Journal of Clinical Oncology·2021· 2 cited
Standard-Dose Trifluridine/Tipiracil as Safe Treatment Alternative in Metastatic Colorectal Cancer Patients With DPD Deficiency
Clinical Colorectal Cancer·2021· 7 cited
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Frequent Co-authors

Ignace H. J. T. de Hingh(16), V.E.P.P. Lemmens(16), Hanneke W.M. van Laarhoven(13), Grard A. P. Nieuwenhuijzen(10), Nadia Haj Mohammad(9), Judith de Vos‐Geelen(9), Lonneke V. van de Poll‐Franse(8), Marc G. Besselink(8), Miriam Koopman(7), Cornelis J.A. Punt(6), Johanna W. Wilmink(6), Maartje Los(5), Marije Slingerland(5), Olivier R. Busch(5), Marjolein Y.V. Homs(5), Hjalmar C. van Santvoort(5), Lieke H. J. Simkens(5), Lydia G. van der Geest(5), H.J.T. Rutten(5), Frans Erdkamp(4)