Warren B. Bilker, Ph.D.
Professor of Biostatistics in Biostatistics and Epidemiology at the Hospital of the University of Pennsylvania
Member, Epidemiology and Biostatistics Graduate Group, Biomedical Gruaduate Studies, University of Pennsylvania School of Medicine
Senior Scholar, Center for Clinical Epidemiology and Biostatistcs, University of Pennsylvania School of Medicine
Faculty Co-director of the Biostatistics Analysis Center (BAC), Department of Biostatistics and Epidemiology, University of Pennsylvania Perelman School of Medicine
Department: Biostatistics and Epidemiology
Graduate Group Affiliations
Contact information
Department of Biostatistics and Epidemiology
University of Pennsylvania Perelman School of Medicine
601 Blockley Hall, 423 Guardian Drive
Philadelphia, PA 19104-6021
University of Pennsylvania Perelman School of Medicine
601 Blockley Hall, 423 Guardian Drive
Philadelphia, PA 19104-6021
Office: 215-898-1619
Fax: 215-573-4865
Fax: 215-573-4865
Email:
WARREN@UPENN.EDU
WARREN@UPENN.EDU
Publications
Education:
B.A. (Mathematics)
Temple University, 1981.
M.S. (Statistics)
Temple University, 1984.
Ph.D. (Biostatistics)
Johns Hopkins University, 1992.
Permanent linkB.A. (Mathematics)
Temple University, 1981.
M.S. (Statistics)
Temple University, 1984.
Ph.D. (Biostatistics)
Johns Hopkins University, 1992.
Description of Research Expertise
BiostatisticsSelected Publications
Conroy A, Bilker WB, DeLorey I, Chudnovskaya D, McWilliams T, Miller CJ, Argoff CE, Bell R, Gewandter JS, Gilron I, Haythornthwaite J, Theken KN, Farrar JT: Predictors of response to full agonist opioids in enriched enrollment randomized withdrawal clinical trials: a participant-level data meta-analysis. Pain 167(2): 320-325, Feb 2026.Miller CJ, Conroy A, Bilker WB, Stephens-Shields AJ, Farrar JT: The impact of opioid withdrawal symptoms on pain outcomes in enriched enrollment randomized withdrawal trials: a mediation meta-analysis of trials submitted to the US Food and Drug Administration. Pain Dec 2025 Notes: DOI: 10.1097/j.pain.0000000000003895. Online ahead of print.
Hsu YS, Thakrar AP, Leonard CE, Lowenstein M, Brensinger CM, Bilker WB, Bogar KF, Hennessy S: Trends in Methadone Use for Pain and Opioid Use Disorder Among Medicaid Enrollees. JAMA Health Forum 6(11): e255023, Nov 2025.
Miller CJ, Bilker WB, DeLorey I, Argoff CE, Bell RL, Conroy A, Gewandter JS, Gilron I, Haythornthwaite JA, Katz NP, McWilliams T, Theken KN, Farrar JT: Minimum clinically important differences in acute pain: a patient-level re-analysis of randomized controlled analgesic trials submitted to the US Food and Drug Administration. Pain 166(10): 2430-2438, Oct 2025.
Kamsheh AM, Bilker WB, Huang Y, Okunowo O, Burstein DS, Edelson JB, Lin KY, Maeda K, Mavroudis CD, O'Connor MJ, Wittlieb-Weber CA, Bogner HR, Rossano JW: Prolonged Inotrope Use After Surgery for Congenital Heart Disease: A Common Occurrence with a High Burden of Mortality. Pediatric Cardiology 46(7): 2037-2046, Oct 2025.
Srivastava T, Harris RA, Bettigole C, Zhang H, Brensinger CM, Bogar K, Wang F, Nesoff ED, Bilker WB, Hennessy S : Stimulant Overdose Prediction Model for Medicaid-Insured Persons. JAMA Health forum 6(9): e253489, Sep 2025.
Wang H, MacDonald ML, Borgmann-Winter KE, Banerjee A, Sleiman P, Tom A, Khan A, Lee K, Roussos P, Siegel SJ, Hemby SE, Bilker WB, Gur RE, Hahn C: Retraction Note: mGluR5 hypofunction is integral to glutamatergic dysregulation in schizophrenia. Molecular Psychiatry 30(7): 3358, Jul 2025.
Conroy A, Bilker WB, Miller CJ, Argoff CE, Bell R, Haythornthwaite J, Gewandter JS, Gilron I, Theken KN, Farrar JT : Predictors of successful initiation of buprenorphine in enriched enrollment randomized withdrawal clinical trials in both opioid experienced and naïve participants: a participant-level meta-analysis. Pain Reports 10(4): e1281, Jun 2025.
Loabile B, Bilker WB, Khunou K, Ngwako N, Tsima B, Brooks MJ, Moloi T, Morroni C, Gross R : Association of HIV status with infections complicating abortion in Botswana. AIDS 39(7): 923-926, Jun 2025.
Shivji S, Mannathoko N, Mosepele M, Gross R, Cressman L, Jaskowiak-Barr A, Bilker WB, Alby K, Glaser L, Richard-Greenblatt M, Cowden L, Patel A, Sewawa K, Otukile D, Paganotti GM, Mokomane M, Snitkin E, Lautenbach E: Risk factors for household colonization by extended-spectrum cephalosporin-resistant enterobacterales (ESCrE) in Botswana. Antimicrobial Resistance and Infection Control 14(1): 58, May 2025.