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John T. Farrar, M.D., Ph.D.

Professor of Epidemiology in Biostatistics and Epidemiology at the Hospital of the University of Pennsylvania
Member, University of Pennsylvania Cancer Center, Philadelphia, PA
Clinical Associate, Department of Neurology, University of Pennsylvania, Philadelphia PA
Senior Scholar, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, PA
Co-Director, Biostatistics Analysis Center, Biostatistical and Epidemiology Consulting Center, Center for Clinical Epidemiology and Biostatistics
Co-Director, Master of Science in Clinical Epidemiology Program, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
Department: Biostatistics and Epidemiology

Contact information
Room 816, Blockley Hall
423 Guardian Drive
Philadelphia, PA 19104-6021
Office: 215-898-5802
Fax: 215-573-5315
Education:
ScB. (Biology, Computer Science minor)
Brown University, 1976.
M.D.
The University of Rochester School of Medicine, 1981.
M.S.C.E. (Center for Clinical Epidemiology and Biostatistics)
The University of Pennsylvania, 2000.
Ph.D. (Graduate Group - Biostatistics and Epidemiology)
The University of Pennsylvania School of Medicine, 2004.
Post-Graduate Training
Residency Program in Internal Medicine, Children's Hospital of San Francisco, CA, 1981-1983.
Residency Program in Neurology, The New York Hospital, Cornell Medical Center, New York, NY, 1984-1986.
Chief Resident in Neurology, The New York Hospital, Cornell Medical Center, New York, NY, 1986-1987.
Neuro-Oncology and Pain Fellow, Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, NY, 1987-1988.
Fellowship in Clinical Epidemiology and Biostatistics, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, PA, 1993-2000.
Certifications
American Board of Psychiatry and Neurology (Recertified - 2019), 1995.
Subspecialty in Pain Medicine, American Board of Psychiatry and Neurology (Recertified – 2014), 2004.
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Description of Research Expertise

Research related to pain including the use of new pain medications, brain function in people with pain, complementary and alternative therapies, and new methodologies for understanding how patients report their pain in clinical trials. Current research includes ongoing studies of acupuncture for the treatment of pain in osteo-arthritis patients and chronic fatigue in cancer patients, brain imaging of patients with pain, and studies of cancer treatment related pain.

Description of Clinical Expertise

Focuses on all aspects of pain and symptom therapy in cancer patients as a member of the Symptom and Palliative Care Team and as a collaborator in the development of a multi-disciplinary program for the evaluation and treatment of patients with pain.

Selected Publications

Erickson BA, Griffith JW, Wensheng G, Mengying Y, Herman T, Bradley CS, Quentin Clemens J, Farrar JT, Gupta P, Kreder KJ, Henry Lai H, Naliboff BD, Newman DK, Rodriguez LV, Spitznagle T, Sutcliffe S, Sutherland SE, Taple BJ, Richard Landis J: Ecological Momentary Assessment of Pelvic Pain and Urinary Urgency Variability in Urologic Chronic Pelvic Pain Syndrome and Their Association With Illness Impact and Quality of Life: Findings From the Multidisciplinary Approach to the Study of Chronic Pelvic Pain Symptom Patterns Study. Neurourology and Urodynamics Jan 2024 Notes: doi: 10.1002/nau.25363. Online ahead of print.

Haroutounian S, Holzer KJ, Kerns RD, Veasley C, Dworkin RH, Turk DC, Carman KL, Chambers CT, Cowan P, Edwards RR, Eisenach JC, Farrar JT, Ferguson M, Forsythe LP, Freeman R, Gewandter JS, Gilron I, Goertz C, Grol-Prokopczyk H, Iyengar S, Jordan I, Kamp C, Kleykamp BA, Knowles RL, Langford DJ, Mackey S, Malamut R, Markman J, Martin KR, McNicol E, Patel KV, Rice ASC, Rowbotham M, Sandbrink F, Simon LS, Steiner DJ, Vollert J: Patient Engagement in Designing, Conducting, and Disseminating Clinical Pain Research: IMMPACT Recommended Considerations. Pain Dec 2023 Notes: doi: 10.1097/j.pain.0000000000003121. Online ahead of print.

Brown VL, James A, Hunleth J, Bradley CS, Farrar JT, Gupta P, Lai HH, Lowder JL, Moldwin R, Rodriguez LV, Yang CC, Sutcliffe S: Believing Women: A Qualitative Exploration of Provider Disbelief and Pain Dismissal Among Women With Interstitial Cystitis/Bladder Pain Syndrome From the MAPP Research Network. International Urogynecological Journal Nov 2023 Notes: doi: 10.1007/s00192-023-05677-0. Online ahead of print.

Epstein AS, Liou KT, Romero SAD, Baser RE, Wong G, Xiao H, Mo Z, Walker D, MacLeod J, Li Q, Barton-Burke M, Deng GE, Panageas KS, Farrar JT, Mao JJ: Acupuncture vs Massage for Pain in Patients Living With Advanced Cancer: The IMPACT Randomized Clinical Trial. JAMA Network Open 6(11): 1-13, Nov 2023.

Ren J, Bushmakin AG, Cislo PR, Abraham L, Cappelleri JC, Dworkin RH, Farrar JT: Meaningful Within-Patient Change for Clinical Outcome Assessments: Model-Based Approach Versus Cumulative Distribution Functions. Journal of Biopharmaceutical Statistics Page: 1-13, Nov 2023 Notes: doi: 10.1080/10543406.2023.2281575. Epub ahead of print.

Szperka CL, Witzman S, Ostapenko S, Farrar JT, Hsu JY, Malavolta CP, Bunney JD, Bange EM, Patterson Gentile C, Velasquez G, Marquez de Prado B, Cosico M, Lee M, Pojomovsky McDonnell P, Prelack MS, Chadehumbe MA, Stephenson DJ, Kichula EA, Tomaine SC, Hershey AD: Patient Headache Questionnaires Can Improve Headache Diagnosis and Treatment in Children. Headache 63(10): 1359-1371, Nov 2023.

Aamodt WW, Dahodwala N, Bilker WB, Farrar JT, Willis AW: Unique Characteristics of End-of-Life Hospitalizations in Parkinson Disease. Frontiers in Aging Neuroscience Page: 1-11, Oct 2023.

Hohenschurz-Schmidt DJ, Cherkin D, Rice ASC, Dworkin RH, Turk DC, McDermott MP, Bair MJ, DeBar LL, Edwards RR, Farrar JT, Kerns RD, Markman JD, Rowbotham MC, Sherman KJ, Wasan AD, Cowan P, Desjardins P, Ferguson M, Freeman R, Gewandter JS, Gilron I, Grol-Prokopczyk H, Hertz SH, Iyengar S, Kamp C, Karp BI, Kleykamp BA, Loeser JD, Mackey S, Malamut R, McNicol E, Patel KV, Sandbrink F, Schmader K, Simon L, Steiner DJ, Veasley C, Vollert J: Research Objectives and General Considerations for Pragmatic Clinical Trials of Pain Treatments: IMMPACT Statement. Pain 164(7): 1457-1472, July 2023.

Stephens-Shields AJ, Lai HH, Landis JR, Kreder K, Rodriguez LV, Naliboff BD, Afari N, Sutcliffe S, Moldwin R, Griffith JW, Clemens JQ, Bradley CS, Quallich S, Gupta P, Harte SE, Farrar JT: Clinically Important Differences for Pain and Urinary Symptoms in Urological Chronic Pelvic Pain Syndrome: A MAPP Network Study. Journal of Urology 209(6): 1132-1140, June 2023.

Kellier DJ, de Prado BM, Haagen D, Grabner P, Raj N, Lechtenberg L, Velasquez G, Hsu JY, Farrar JT, Hershey AD, Szperka CL: Validity of Self-Reported Migraine in Adolescents and Children. Headache 63(5): 634-641, May 2023.

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Last updated: 02/05/2024
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