Dr. Xu is a Principal Biostatistician at the Princess Margaret Cancer Center, a Scientist at the Ontario Cancer Institute, and an Associate Professor of Biostatistics at Dalla Lana School of Public Health, University of Toronto. As Principal-Investigator or co-Investigator, he has been involved in study design, data administration, statistical modeling development and data analysis on different clinical research and human genetic studies. He has published over 250 peer-reviewed papers in the field of statistics, bioinformatics, medical science and human genetics.

Dr. Xu’s research interests focus on clinical trial design and methodology, biostatistics and bioinformatics methodology, statistical genetics, and cancer clinical and translational research.
Occult contralateral nodal disease in oropharyngeal squamous cell carcinoma patients undergoing primary TORS with bilateral neck dissection.
Oral Oncol. 2019 Jun;93:96-100
McMullen CP, Garneau J, Weimar E, Ali S, Farinhas JM, Yu E, Som PM, Sarta C, Goldstein DP, Su S, Xu W, Smith RV, Miles B, de Almeida JR
Copy number variation-based gene set analysis reveals cytokine signalling pathways associated with psychiatric comorbidity in patients with inflammatory bowel disease.
Genomics. 2019 May 07;:
Frenkel S, Bernstein CN, Sargent M, Jiang W, Kuang Q, Xu W, Hu P
Genome-wide association study identifies 30 loci associated with bipolar disorder.
Nat Genet. 2019 May;51(5):793-803
Stahl EA, Breen G, Forstner AJ, McQuillin A, Ripke S, Trubetskoy V, Mattheisen M, Wang Y, Coleman JRI, Gaspar HA, de Leeuw CA, Steinberg S, Pavlides JMW, Trzaskowski M, Byrne EM, Pers TH, Holmans PA, Richards AL, Abbott L, Agerbo E, Akil H, Albani D,...
Validation of distant metastases risk-groups in oral cavity squamous cell carcinoma patients treated with postoperative intensity-modulated radiotherapy.
Radiother Oncol. 2019 May;134:10-16
Hosni A, Huang SH, Chiu K, Xu W, Su J, Lu L, Bayley A, Bratman SV, Cho J, Giuliani M, Kim J, O'Sullivan B, Ringash J, Waldron J, Spreafico A, de Almeida JR, Chepeha DB, Irish JC, Goldstein DP, Hope A
Implementation of a Novel Electronic Patient-Directed Smoking Cessation Platform for Cancer Patients: Interrupted Time Series Analysis.
J Med Internet Res. 2019 Apr 09;21(4):e11735
Giuliani ME, Liu G, Xu W, Dirlea M, Selby P, Papadakos J, Abdelmutti N, Yang D, Eng L, Goldstein DP, Jones JM
Radiologic Extranodal Extension Portends Worse Outcome in cN+ TNM-8 Stage I Human Papillomavirus-Mediated Oropharyngeal Cancer.
Int J Radiat Oncol Biol Phys. 2019 Apr 04;:
Billfalk-Kelly A, Yu E, Su J, O'Sullivan B, Waldron J, Ringash J, Bartlett E, Perez-Ordonez B, Weinreb I, Bayley A, Bratman SV, Cho J, Giuliani M, Hope A, Hosni A, Kim J, Hansen AR, de Almeida J, Tong L, Xu W, Huang SH
The Impact of Brain Metastases and Associated Neurocognitive Aspects on Health Utility Scores in EGFR Mutated and ALK Rearranged NSCLC: A Real World Evidence Analysis.
Oncologist. 2019 Apr 05;:
O'Kane GM, Su J, Tse BC, Tam V, Tse T, Lu L, Borean M, Tam E, Labbé C, Naik H, Mittmann N, Doherty MK, Bradbury PA, Leighl NB, Shepherd FA, Richard NM, Edelstein K, Shultz D, Brown MC, Xu W, Howell D, Liu G
The Mitochondrial Transacylase, Tafazzin, Regulates for AML Stemness by Modulating Intracellular Levels of Phospholipids.
Cell Stem Cell. 2019 Apr 04;24(4):621-636.e16
Seneviratne AK, Xu M, Henao JJA, Fajardo VA, Hao Z, Voisin V, Xu GW, Hurren R, Kim S, MacLean N, Wang X, Gronda M, Jeyaraju D, Jitkova Y, Ketela T, Mullokandov M, Sharon D, Thomas G, Chouinard-Watkins R, Hawley JR, Schafer C, Yau HL, Khuchua Z, Aman A,...
Depicting distant metastatic risk by refined subgroups derived from the 8th edition nasopharyngeal carcinoma TNM.
Oral Oncol. 2019 Apr;91:113-120
Guo Q, Lu T, Hui Huang S, O'Sullivan B, Zong J, Xiao Y, Xu W, Chen C, Qiu S, Xu L, Zheng W, Chen Y, Lin S, Pan J
Impact of immigration status on health behaviors and perceptions in cancer survivors.
Cancer Med. 2019 Mar 21;:
Liu SY, Lu L, Pringle D, Mahler M, Niu C, Charow R, Tiessen K, Lam C, Halytskyy O, Naik H, Hon H, Irwin M, Pat V, Gonos C, Chan CWT, Villeneuve J, Shani RM, Chaudhry M, Brown MC, Selby P, Howell D, Xu W, Alibhai SMH, Jones JM, Liu G, Eng L

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Affiliate Scientist, Princess Margaret Cancer Centre

Principal Biostatistician, Princess Margaret Cancer Center, UHN
Associate Professor, Dalla Lana School of Public Health, University of Toronto