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Robert Gross
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Professor of Medicine (Infectious Diseases)
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Attending Physician, Infectious Diseases, Corporal Michael J. Crescenz Veterans Affairs Medical Center
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Senior Scholar, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Perelman School of Medicine
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Senior Fellow, Leonard Davis Institute, University of Pennsylvania, Perelman School of Medicine
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Co-Director, Clinical Assessment Core, Penn Mental Health in AIDS Research Center
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Senior Fellow , Center for Public Health Initiatives (CPHI), Perelman School of Medicine
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Co-Director , Penn Center for AIDS Research, Perelman School of Medicine
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Director, International Core, Penn Center for AIDS Research, International Core
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Center for Global Health Scholar, University of Pennsylvania Perelman School of Medicine
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Department: Medicine
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Contact information
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804 Blockley Hall
3a Center for Clinical Epidemiology and Biostatistics
3f University of Pennsylvania, Perelman School of Medicine
3a 423 Guardian Drive
Philadelphia, PA 19104-6021
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3a Center for Clinical Epidemiology and Biostatistics
3f University of Pennsylvania, Perelman School of Medicine
3a 423 Guardian Drive
Philadelphia, PA 19104-6021
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Office: 215-898-2437
32 Fax: 215-573-5315
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32 Fax: 215-573-5315
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Publications
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Education:
21 7 BA 14 (Italian) c
2c Cornell University , 1986.
21 8 MD c
2b Cornell University, 1991.
21 9 MSCE 21 (Pharmacoepidemiology) c
33 University of Pennsylvania, 2000.
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21 7 BA 14 (Italian) c
2c Cornell University , 1986.
21 8 MD c
2b Cornell University, 1991.
21 9 MSCE 21 (Pharmacoepidemiology) c
33 University of Pennsylvania, 2000.
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Links
121 Search PubMed for articles
41 Center for Clinical Epidemiology and Biostatistics faculty webpage.
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121 Search PubMed for articles
41 Center for Clinical Epidemiology and Biostatistics faculty webpage.
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Post-Graduate Training
24 79 Intern in Medicine, Hospital of the University of Pennsylvania, Perelman School of Medicine, 1991-1992.
24 6b Resident in Medicine, University of Pennsylvania, Perelman School of Medicine, 1992-1994.
24 84 Fellow in Infectious Diseases, Hospital of the University of Pennsylvania, Perelman School of Medicine, 1995-1998.
24 a9 Fellow in Pharmacoepidemiology, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Perelman School of Medicine, 1996-1999.
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24 79 Intern in Medicine, Hospital of the University of Pennsylvania, Perelman School of Medicine, 1991-1992.
24 6b Resident in Medicine, University of Pennsylvania, Perelman School of Medicine, 1992-1994.
24 84 Fellow in Infectious Diseases, Hospital of the University of Pennsylvania, Perelman School of Medicine, 1995-1998.
24 a9 Fellow in Pharmacoepidemiology, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Perelman School of Medicine, 1996-1999.
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Certifications
28 4f Internal Medicine, American Board of Internal Medicine, 1995.
28 51 Infectious Diseases, American Board of Internal Medicine, 1997.
28 47 Epidemiology, American College of Epidemiology, 2001.
28 63 Infectious Diseases (recertification), American Board of Internal Medicine, 2007.
28 63 Infectious Diseases (recertification), American Board of Internal Medicine, 2018.
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Permanent link28 4f Internal Medicine, American Board of Internal Medicine, 1995.
28 51 Infectious Diseases, American Board of Internal Medicine, 1997.
28 47 Epidemiology, American College of Epidemiology, 2001.
28 63 Infectious Diseases (recertification), American Board of Internal Medicine, 2007.
28 63 Infectious Diseases (recertification), American Board of Internal Medicine, 2018.
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Description of Research Expertise
90 HIV clinical epidemiology; outcomes of HIV treatment; adherence to therapy including development of methods to measure adherence65
Description of Clinical Expertise
28 HIV; infectious diseases1a 29
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11d Greene B, Schnoll R, Gross R, Ashare R: Examining the role of Alternative Reinforcers and Smoking Cessation Outcomes among People with and without HIV who Smoke. Psychology of Addictive Behaviors 2025 (in press).
2c df Loabile B, Lautenbach E, Mannathoko N, Mosepele M, Styczynski A, Smith RM, Cressman L, Jaskowiak-Barr A, Bilker WB, Alby K, Glaser L, Richard-Greenblatt M, Cowden L, Sewawa K, Otukile D, Paganotti GM, Mokomane M, Gross R ea : Risk Factors for Community Colonization with Extended-Spectrum Cephalosporin-Resistant Enterobacterales (ESCrE) among People Living with HIV in Botswana. Open Forum Infectious Diseases 2025 (in press).
105 Loabile B, Bilker WB, Khunou K, Ngwako N, Tsima B, Brooks M, Moloi T, Morroni C, Gross R: Association of HIV Status with Infections Complicating Abortion in Botswana. AIDS 2025 (in press).
192 Blumenthal D, Stevens N, Leone FT, Bauer A-M, Wileyto EP, Jenssen B, Koenig H, O’Donnell J, Gross R, & Schnoll R : A formative study to develop nudges informed by behavioral economics to increase engagement with tobacco treatment among people who smoke receiving care for HIV. Drug & Alcohol Dependence Reports 2025 (in press).
180 Cancedda C, Brooks M, Nkomazana O, Keetile M, Ramogola Masire D, Tsima B, Steenhoff A, Gross R, Grover S, Lautenbach E, Kebabonye M, Motlhatlhedi K, Ndlovu K, Gaulton G, Barg FK: Finding the Balance Between Academic Productivity and Impact: Evaluation of the Botswana-University of Pennsylvania Partnership over a Five-Year Timeframe 2 3b BMJ Global Health 2025 (in press).
165 Loabile B, Ahmed D, Nteba O, Tsima B, Kgwaadira B, Schriger S, Mosepele M, Barg FK, Schnoll RA, Gross R: Factors Affecting the Integration of Tobacco Cessation Services for Tuberculosis Patients in Botswana. International Journal of Tuberculosis and Lung Disease Open 2025 (in press).
b2 Evans DL†, Spitsin S, Lynch KG, Voytek CD, Daramay MG, Hembree EA, Fiore D, Gross R, Scott JC, Douglas SD†, Thase ME (†deceased) f8 : A Placebo-Controlled Randomized Trial of the Effects of Escitalopram on Depressive Symptoms and Immune Function in People with Human Immunodeficiency Viru. Biological Psychiatry: Global Open Science 2025 (in press).
119 Medaglio D, Leonard CE, Stephens Shields AJ, Schnoll RA, Gross R: Training a Smoking Status Probabilistic Model Using Cotinine Levels in a Large Claims Database. Nicotine and Tobacco Research 2025 (in press).
11b Mantshonyane L, Jarvis J, Loabile B, Mokete M, Monnaatlala R, Mmolai GM, Mosomodi A, Gross R : “Test & Treat” for HIV Had Little Effect on Outcomes but Missed Clinic Visits Threaten Success of Botswana’s National ART Program 44 AIDS Patient Care and STDs 2025 (in press).
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Selected Publications
c6 Bien-Gund C, Gross R, Williams J, Brady KA, Bonett S: Lower self-efficacy and lower PrEP stigma predict telePrEP preferences among HIV self-testers 2f JAIDS 2026 (in press).11d Greene B, Schnoll R, Gross R, Ashare R: Examining the role of Alternative Reinforcers and Smoking Cessation Outcomes among People with and without HIV who Smoke. Psychology of Addictive Behaviors 2025 (in press).
2c df Loabile B, Lautenbach E, Mannathoko N, Mosepele M, Styczynski A, Smith RM, Cressman L, Jaskowiak-Barr A, Bilker WB, Alby K, Glaser L, Richard-Greenblatt M, Cowden L, Sewawa K, Otukile D, Paganotti GM, Mokomane M, Gross R ea : Risk Factors for Community Colonization with Extended-Spectrum Cephalosporin-Resistant Enterobacterales (ESCrE) among People Living with HIV in Botswana. Open Forum Infectious Diseases 2025 (in press).
105 Loabile B, Bilker WB, Khunou K, Ngwako N, Tsima B, Brooks M, Moloi T, Morroni C, Gross R: Association of HIV Status with Infections Complicating Abortion in Botswana. AIDS 2025 (in press).
192 Blumenthal D, Stevens N, Leone FT, Bauer A-M, Wileyto EP, Jenssen B, Koenig H, O’Donnell J, Gross R, & Schnoll R : A formative study to develop nudges informed by behavioral economics to increase engagement with tobacco treatment among people who smoke receiving care for HIV. Drug & Alcohol Dependence Reports 2025 (in press).
180 Cancedda C, Brooks M, Nkomazana O, Keetile M, Ramogola Masire D, Tsima B, Steenhoff A, Gross R, Grover S, Lautenbach E, Kebabonye M, Motlhatlhedi K, Ndlovu K, Gaulton G, Barg FK: Finding the Balance Between Academic Productivity and Impact: Evaluation of the Botswana-University of Pennsylvania Partnership over a Five-Year Timeframe 2 3b BMJ Global Health 2025 (in press).
165 Loabile B, Ahmed D, Nteba O, Tsima B, Kgwaadira B, Schriger S, Mosepele M, Barg FK, Schnoll RA, Gross R: Factors Affecting the Integration of Tobacco Cessation Services for Tuberculosis Patients in Botswana. International Journal of Tuberculosis and Lung Disease Open 2025 (in press).
b2 Evans DL†, Spitsin S, Lynch KG, Voytek CD, Daramay MG, Hembree EA, Fiore D, Gross R, Scott JC, Douglas SD†, Thase ME (†deceased) f8 : A Placebo-Controlled Randomized Trial of the Effects of Escitalopram on Depressive Symptoms and Immune Function in People with Human Immunodeficiency Viru. Biological Psychiatry: Global Open Science 2025 (in press).
119 Medaglio D, Leonard CE, Stephens Shields AJ, Schnoll RA, Gross R: Training a Smoking Status Probabilistic Model Using Cotinine Levels in a Large Claims Database. Nicotine and Tobacco Research 2025 (in press).
11b Mantshonyane L, Jarvis J, Loabile B, Mokete M, Monnaatlala R, Mmolai GM, Mosomodi A, Gross R : “Test & Treat” for HIV Had Little Effect on Outcomes but Missed Clinic Visits Threaten Success of Botswana’s National ART Program 44 AIDS Patient Care and STDs 2025 (in press).
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