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Publications by John Petkau

2017

de Jong HJI, Kingwell E, Shirani A, Cohen-Tervaert JW, Hupperts R, Zhao Y, et al. Evaluating the safety of beta-interferons in multiple sclerosis: A series of nested case-control studies. Neurology. 2017;88:2310-2320.

2016

Karim ME, Gustafson P, Petkau J, Tremlett H, Group BAMSStudy. Comparison of statistical approaches for dealing with immortal time bias in drug effectiveness studies. American Journal of Epidemiology. 2016;184:325-335.
Zhang T, Kingwell E, DeJong HJI, Zhu F, Zhao Y, Carruthers R, et al. Association between the use of selective serotonin reuptake inhibitors and multiple sclerosis disability progression. Pharmacoepidemiology and Drug Safety. 2016;25:1150-1159.

2015

Zhao Y, Kondo Y, Traboulsee A, Li DKB, Riddehough A, Petkau AJ. Personalized activity index, a new safety monitoring tool for multiple sclerosis clinical trials. Multiple Sclerosis Journal – Experimental, Translational and Clinical [Internet]. 2015;1:1-15. http://mso.sagepub.com/content/1/2055217315577829
Zhang T, Shirani A, Zhao Y, Karim ME, Gustafson P, Petkau J, et al. Beta-interferon exposure and onset of secondary progressive multiple sclerosis. European Journal of Neurology [Internet]. 2015;22:990–1000. http://onlinelibrary.wiley.com/doi/10.1111/ene.12698/abstract
Hartung HP, Kappos L, Goodin DS, O'Connor P, Filippi M, Arnason B, et al. Predictors of disease activity in 857 patients with MS treated with interferon beta-1b. Journal of Neurology. TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY: SPRINGER HEIDELBERG; 2015;262:2466-2471.
Reich DS, White R, Cortese ICM, Vuolo L, Shea CD, Collins TL, et al. Sample-size calculations for short-term proof-of-concept studies of tissue protection and repair in multiple sclerosis lesions via conventional clinical imaging. Multiple Sclerosis Journal. 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND: SAGE PUBLICATIONS LTD; 2015;21:1693-1704.
Kondo Y, Zhao Y, Petkau J. A flexible mixed-effect negative binomial regression model for detecting unusual increases in MRI lesion counts in individual multiple sclerosis patients. Statistics in Medicine. 111 RIVER ST, HOBOKEN 07030-5774, NJ USA: WILEY-BLACKWELL; 2015;34:2165-2180.
Shirani A, Zhao Y, Petkau J, Gustafson P, Karim ME, Evans C, et al. Multiple sclerosis in older adults: the clinical profile and impact of interferon beta treatment. Biomed Research International. 410 PARK AVENUE, 15TH FLOOR, \#287 PMB, NEW YORK, NY 10022 USA: HINDAWI PUBLISHING CORPORATION; 2015;:451912.

2014

Zhao Y, Li DKB, Petkau AJ, Riddehough A, Traboulsee A. Detection of unusual increases in MRI lesion counts in individual multiple sclerosis patients. Journal of the American Statistical Association [Internet]. 2014;109:119–132. http://amstat.tandfonline.com/doi/abs/10.1080/01621459.2013.847373
Evans C, Zhu F, Kingwell E, Shirani A, van der Kop ML, Petkau J, et al. Association between beta-interferon exposure and hospital events in multiple sclerosis. Pharmacoepidemiology and Drug Safety. 111 RIVER ST, HOBOKEN 07030-5774, NJ USA: WILEY-BLACKWELL; 2014;23:1213-1222.
Lublin FD, Reingold SC, Cohen JA, Cutter GR, Soelberg-Sorensen P, Thompson AJ, et al. Defining the clinical course of multiple sclerosis: the 2013 revisions. Neurology. TWO COMMERCE SQ, 2001 MARKET ST, PHILADELPHIA, PA 19103 USA: LIPPINCOTT WILLIAMS & WILKINS; 2014;83:278-286.
Karim ME, Gustafson P, Petkau J, Zhao Y, Shirani A, Kingwell E, et al. Marginal structural Cox models for estimating the association between beta-interferon exposure and disease progression in a multiple sclerosis cohort. American Journal of Epidemiology. JOURNALS DEPT, 2001 EVANS RD, CARY, NC 27513 USA: OXFORD UNIV PRESS INC; 2014;180:160-171.

2013

Shirani A, Zhao Y, Karim ME, Evans C, Kingwell E, van der Kop ML, et al. Interferon beta and long-term disability in multiple sclerosis. JAMA Neurology. 515 N STATE ST, CHICAGO, IL 60654-0946 USA: AMER MEDICAL ASSOC; 2013;70:651-652.

2012

Shirani A, Zhao Y, Karim ME, Evans C, Kingwell E, van der Kop ML, et al. Association between use of interferon beta and progression of disability in patients with relapsing-remitting multiple sclerosis. Journal of the American Medical Association. 330 N WABASH AVE, STE 39300, CHICAGO, IL 60611-5885 USA: AMER MEDICAL ASSOC; 2012;308:247-256.
Goodin DS, Hartung HP, O'Connor P, Filippi M, Arnason B, Comi G, et al. Neutralizing antibodies to interferon beta-1b multiple sclerosis: a clinico-radiographic paradox in the BEYOND trial. Multiple Sclerosis Journal. 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND: SAGE PUBLICATIONS LTD; 2012;18:181-195.
Barkhof F, Simon JH, Fazekas F, Rovaris M, Kappos L, de Stefano N, et al. MRI monitoring of immunomodulation in relapse-onset multiple sclerosis trials. Nature Reviews Neurology. 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA: NATURE PUBLISHING GROUP; 2012;8:13-21.
Shirani A, Petkau J, Tremlett H. Treatment with interferon beta for multiple sclerosis: reply. Journal of the American Medical Association. 330 N WABASH AVE, STE 39300, CHICAGO, IL 60611-5885 USA: AMER MEDICAL ASSOC; 2012;308:1627-1628.
Altman RM, Petkau AJ, Vrecko D, Smith A. MRI-based clinical trials in relapsing-remitting MS: new sample size calculations based on a longitudinal model. Multiple Sclerosis Journal. 2012;18:1600–1608.
Tremlett H, Zhu F, Petkau J, Oger J, Zhao Y, Neurologists BCMSClinic. Natural, innate improvements in multiple sclerosis disability. Multiple Sclerosis Journal. 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND: SAGE PUBLICATIONS LTD; 2012;18:1412-1421.

2011

Brotto LA, A. Petkau J, Labrie F, Basson R. Predictors of sexual desire disorders in women. The Journal of Sexual Medicine. 2011;8:742–753.
Riddell CA, Zhao Y, Li DKB, Petkau AJ, Riddehough A, Cutter GR, et al. Evaluation of safety monitoring guidelines based on MRI lesion activity in multiple sclerosis. Neurology [Internet]. 2011;77:2089–2096. http://www.neurology.org/content/77/24/2089
Hartung H-P, Freedman MS, Polman CH, Edan G, Kappos L, Miller DH, et al. Interferon β-1b–neutralizing antibodies 5 years after clinically isolated syndrome. Neurology [Internet]. 2011;77:835–843. http://www.neurology.org/content/77/9/835
Cohen JA, Rudick RA. Multiple Sclerosis Therapeutics. Cambridge University Press; 2011.

2010

Polman CH, Bertolotto A, Deisenhammer F, Giovannoni G, Hartung H-P, Hemmer B, et al. Recommendations for clinical use of data on neutralising antibodies to interferon-beta therapy in multiple sclerosis. LANCET NEUROLOGY. 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA: ELSEVIER SCIENCE INC; 2010;9:740-750.
Labrie F, Basson R, Brotto L, Petkau J. Role of adrenal androgens in women's sexual dysfunction. ENDOCRINE JOURNAL. 75 YANAGINOBANBA NISHIIRU-MASUYA-CHO, SANJOU-DORI, NAKAGYOU-KU, KYOTO, 604-8111, JAPAN: JAPAN ENDOCRINE SOC; 2010;57:S637-S638.
Zhao Y, Petkau AJ, Traboulsee A, Riddehough A, Li DKB. Does MRI lesion activity regress in secondary progressive multiple sclerosis?. Multiple Sclerosis [Internet]. 2010;. http://msj.sagepub.com/content/early/2010/02/18/1352458509359726

2008

Zhao Y, Traboulsee A, A Petkau J, Li D. Regression of new gadolinium enhancing lesion activity in relapsing-remitting multiple sclerosis. Neurology. AAN Enterprises; 2008;70:1092–1097.
Polman CH, Reingold SC, Barkhof F, Calabresi PA, Clanet M, Cohen JA, et al. Ethics of placebo-controlled clinical trials in multiple sclerosis A reassessment. Neurology [Internet]. 2008;70:1134–1140. http://www.neurology.org/content/70/13_Part_2/1134
Raffa JD, Tossonian HK, Grebely J, A Petkau J, DeVlaming S, Conway B. Intermediate Highly Active Antiretroviral Therapy Adherence Thresholds and Empirical Models for the Development of Drug Resistance Mutations:. JAIDS Journal of Acquired Immune Deficiency Syndromes [Internet]. 2008;47:397–399. http://content.wkhealth.com/linkback/openurl?sid=WKPTLP:landingpage&an=00126334-200803010-00020
Petkau J, Reingold SC, Held U, Cutter GR, Fleming TR, Hughes MD, et al. Magnetic resonance imaging as a surrogate outcome for multiple sclerosis relapses. Multiple Sclerosis [Internet]. 2008;. http://msj.sagepub.com/content/early/2008/06/05/1352458507088104

2007

Raffa JD, Grebely J, Tossonian H, Wong T, Viljoen M, Khara M, et al. The impact of ongoing illicit drug use on methadone adherence in illicit drug users receiving treatment for HIV in a directly observed therapy program. Drug and alcohol dependence. Elsevier; 2007;89:306–309.
Ghement IR, Heckman NE, A Petkau J. Seasonal confounding and residual correlation in analyses of health effects of air pollution. Environmetrics. Wiley Online Library; 2007;18:375–394.

2006

Li DKB, Held U, Petkau J, Daumer M, Barkhof F, Fazekas F, et al. MRI T2 lesion burden in multiple sclerosis A plateauing relationship with clinical disability. Neurology. AAN Enterprises; 2006;66:1384–1389.
Tremlett H, Seemüller S, Zhao Y, Yoshida EM, Oger J, Petkau J. Liver test abnormalities in multiple sclerosis: findings from placebo-treated patients. Neurology. AAN Enterprises; 2006;67:1291–1293.

2005

Clayton MK, A Petkau J. Evaluation of asymptotic approximations for a two-stage Bernoulli bandit. Journal of statistical planning and inference. Elsevier; 2005;130:133–148.
Altman RMacKay, A Petkau J. Application of hidden Markov models to multiple sclerosis lesion count data. Statistics in medicine. Wiley Online Library; 2005;24:2335–2344.
Barkhof F, Held U, Simon JH, Daumer M, Fazekas F, Filippi M, et al. Predicting gadolinium enhancement status in MS patients eligible for randomized clinical trials. Neurology. AAN Enterprises; 2005;65:1447–1454.

2004

A Petkau J, White RA, Ebers GC, Reder AT, Sibley WA, Lublin FD, et al. Longitudinal analyses of the effects of neutralizing antibodies on interferon beta-1b in relapsing-remitting multiple sclerosis. Multiple Sclerosis. Sage Publications; 2004;10:126–138.
Vedal S, Rich K, Brauer M, White R, Petkau J. Air pollution and cardiac arrhythmias in patients with implantable cardioverter defibrillators. Inhalation toxicology. Taylor & Francis; 2004;16:353–362.
Rich KE, Petkau J, Vedal S, Brauer M. A case-crossover analysis of particulate air pollution and cardiac arrhythmia in patients with implantable cardioverter defibrillators. Inhalation toxicology. Taylor & Francis; 2004;16:363–372.

2003

Polman C, Kappos L, White R, Dahlke F, Beckmann K, Pozzilli C, et al. Neutralizing antibodies during treatment of secondary progressive MS with interferon β-1b. Neurology. AAN Enterprises; 2003;60:37–43.
Vedal S, Brauer M, White R, Petkau J. Air pollution and daily mortality in a city with low levels of pollution. Environmental health perspectives. National Institute of Environmental Health Science; 2003;111:45.
A Petkau J. Optimal Group Sequential Designs for the Anscombe-Colton Model. Lecture Notes-Monograph Series. JSTOR; 2003;:291–315.

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