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Author Details

Alexander M Walker
Harvard T.H. Chan School of Public Health
1975
292
72
PMIDPaper TitleJournal TitlePublished Year
37876341Stratified analysis in comparative effectiveness studies that emulate randomized trials.Pharmacoepidemiol Drug Saf2024
35356897An Evaluation of the Effect of the OxyContin Reformulation on Unintentional Fatal and Nonfatal Overdose.Clin J Pain2022
34011505Vaccine safety: looking forward and back.BMJ Glob Health2021
31580432Long-term risk of hepatocellular carcinoma mortality in 23220 hospitalized patients treated with micafungin or other parenteral antifungals.J Antimicrob Chemother2020
31534380Information on doctor and pharmacy shopping for opioids adds little to the identification of presumptive opioid abuse disorders in health insurance claims data.Subst Abuse Rehabil2019
29701279Reuse of data sources to evaluate drug safety signals: When is it appropriate?Pharmacoepidemiol Drug Saf2018
29808341Conditional power as an aid in making interim decisions in observational studies.Eur J Epidemiol2018
30130977Conditional power for assessing population interventions.J Comp Eff Res2018
29872346Removal of ineligible outcome cases reduces confounding.Clin Epidemiol2018
29504168Sequential surveillance for drug safety in a regulatory environment.Pharmacoepidemiol Drug Saf2018
28145912Possible Opioid Shopping and its Correlates.Clin J Pain2017
28501907Tacit knowledge.Eur J Epidemiol2017
26725697Computer-assisted expert case definition in electronic health records.Int J Med Inform2016
27637749For drug-induced carcinogenesis, the observations are the hypothesis: Invited editorial for the Mini-Symposium on Cancer Pharmacoepidemiology.Ann Epidemiol2016
27418432Design and analysis choices for safety surveillance evaluations need to be tuned to the specifics of the hypothesized drug-outcome association.Pharmacoepidemiol Drug Saf2016
27407049Short-term risk of liver and renal injury in hospitalized patients using micafungin: a multicentre cohort study.J Antimicrob Chemother2016
25358826Acute nonarteritic anterior ischemic optic neuropathy and exposure to phosphodiesterase type 5 inhibitors.J Sex Med2015
26282185Identifying health outcomes in healthcare databases.Pharmacoepidemiol Drug Saf2015
24375940Cardiac mortality in users of olmesartan, other angiotensin-receptor blockers and angiotensin-converting enzyme inhibitors.Pharmacoepidemiol Drug Saf2014
25263307Characteristics of study design and elements that may contribute to the success of electronic safety monitoring systems.Pharmacoepidemiol Drug Saf2014
23849156Matching on provider is risky.J Clin Epidemiol2013
22266893Active safety monitoring of new medical products using electronic healthcare data: selecting alerting rules.Epidemiology2012
23198861The Zelnorm epidemiologic study (ZEST): a cohort study evaluating incidence of abdominal and pelvic surgery related to tegaserod treatment.BMC Gastroenterol2012
23121302Corrigendum. Are airborne refractory ceramic fibers similar to asbestos in their carcinogenicity?Inhal Toxicol2012
23100246Characterizing vaccine-associated risks using cubic smoothing splines.Am J Epidemiol2012
22807266Risk of Guillain-Barré syndrome after meningococcal conjugate vaccination.Pharmacoepidemiol Drug Saf2012
22588606Active safety monitoring of newly marketed medications in a distributed data network: application of a semi-automated monitoring system.Clin Pharmacol Ther2012
22642290Are airborne refractory ceramic fibers similar to asbestos in their carcinogenicity?Inhal Toxicol2012
22223544An event-based approach for comparing the performance of methods for prospective medical product monitoring.Pharmacoepidemiol Drug Saf2012
21173589A matched cohort study of the risk of cancer in users of becaplermin.Adv Skin Wound Care2011
21928362Identification of esophageal cancer in the General Practice Research Database.Pharmacoepidemiol Drug Saf2011
20002149Health care resource utilization in patients with active epilepsy.Epilepsia2010
20560690GRACE principles: recognizing high-quality observational studies of comparative effectiveness.Am J Manag Care2010
20309840Orthogonal predictions: follow-up questions for suggestive data.Pharmacoepidemiol Drug Saf2010
20014170Signal detection for vaccine side effects that have not been specified in advance.Pharmacoepidemiol Drug Saf2010
19786905Active influenza vaccine safety surveillance: potential within a healthcare claims environment.Med Care2009
18383443Coronary heart disease outcomes in patients receiving antidiabetic agents in the PharMetrics database 2000-2007.Pharmacoepidemiol Drug Saf2008
18929734Risk of hyperkalemia in women taking ethinylestradiol/drospirenone and other oral contraceptives.Contraception2008
18929320Epidemiology and outcomes in patients with atrial fibrillation in the United States.Heart Rhythm2008
18956428A distributed research network model for post-marketing safety studies: the Meningococcal Vaccine Study.Pharmacoepidemiol Drug Saf2008
18603149Effect of aprotinin on renal dysfunction.Lancet2008
18690990The effect of pharmacotherapy for attention deficit hyperactivity disorder on risk of seizures in pediatric patients as assessed in an insurance claims database.Curr Drug Saf2008
18711705Hospitalization for peptic ulcer and bleeding in users of selective COX-2 inhibitors and nonselective NSAIDs with special reference to celecoxib.Pharmacoepidemiol Drug Saf2008
18287600Aprotinin during coronary-artery bypass grafting and risk of death.N Engl J Med2008
18215000Supplementary data collection with case-cohort analysis to address potential confounding in a cohort study of thromboembolism in oral contraceptive initiators matched on claims-based propensity scores.Pharmacoepidemiol Drug Saf2008
16897811Bupropion in pregnancy and the prevalence of congenital malformations.Pharmacoepidemiol Drug Saf2007
17909373Use of propensity score technique to account for exposure-related covariates: an example and lesson.Med Care2007
18041104Studies of diabetes, thiazolidinediones, and coronary heart disease.Pharmacoepidemiol Drug Saf2007
17551989Coronary heart disease outcomes in patients receiving antidiabetic agents.Pharmacoepidemiol Drug Saf2007
17766604Risk of thromboembolism in women taking ethinylestradiol/drospirenone and other oral contraceptives.Obstet Gynecol2007
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Collaborators

Sebastian Schneeweiss
Division of Pharmacoepidemiology, Brigham & Women's Hospital, Harvard Medical School
Co-authored papers 18
Richard Platt
Harvard Medical School and Harvard Pilgrim Health Care Institute
Co-authored papers 7
Luis A García Rodríguez
Co-authored papers 6
Meir J Stampfer
Brigham and Women's Hospital
Co-authored papers 5
Joshua J Gagne
Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women's Hospital
Co-authored papers 5
Jeffrey S Brown
Harvard Medical School and Harvard Pilgrim Health Care Institute
Co-authored papers 4
Hendrik B Bueno-de-Mesquita
Co-authored papers 4
Bruce E Sands
Icahn School of Medicine at Mount Sinai
Co-authored papers 4
David L Epstein
St. Erik Eye Hospital, Karolinska Institutet
Co-authored papers 3
Ellen Hertzmark
Harvard T.H. Chan School of Public Health, Harvard University
Co-authored papers 3
Jennifer C Nelson
Kaiser Permanente Washington Health Research Institute
Co-authored papers 3
Ming T Tsuang
University of California San Diego
Co-authored papers 3
Sengwee Toh
Harvard Medical School and Harvard Pilgrim Health Care Institute
Co-authored papers 3
Andy Stergachis
School of Pharmacy, University of Washington
Co-authored papers 3
John Michael Gaziano
VA Boston Healthcare System
Co-authored papers 3
Jeremy A Rassen
Brigham and Women's Hospital, Harvard Medical School
Co-authored papers 3
Endel J Orav
Brigham and Women's Hospital
Co-authored papers 3
Christian Reich
OHDSI Center at The Roux Institute, Northeastern University
Co-authored papers 2
Fernanda P Silveira
Federal University of Rio de Janeiro
Co-authored papers 2
Shmuel Shoham
Johns Hopkins School of Medicine, Johns Hopkins University
Co-authored papers 2
Julie E Buring
Co-authored papers 2
Edward J Trapido
Co-authored papers 2
Melissa Saul
University of Pittsburgh Medical Center
Co-authored papers 2
JoAnn E Manson
Co-authored papers 2
Paul M Coplan
Perelman School of Medicine, University of Pennsylvania
Co-authored papers 2
Bernard Rosner
Brigham and Women's Hospital and Harvard Medical School
Co-authored papers 2
Susan R Heckbert
Co-authored papers 2
Jerry H Gurwitz
university of massachusetts amherst Chan Medical School
Co-authored papers 2
Brian L Strom
Center for Pharmacoepidemiology and Treatment Science, Rutgers University
Co-authored papers 2
Bruce M Psaty
Co-authored papers 2
Release 1.2