Patrick O'Byrne


Patrick O'Byrne
Full Professor

2016 Nurse Practitioner Diploma Queen’s University
2010 Post-Doctorate Medicine University of Toronto
2009 Post-Doctorate Nursing University of California, San Francisco (UCSF)
2008 PhD Nursing University of Ottawa
2005 MScN. (Transfer to PhD) Nursing University of Ottawa
2004 BScN Nursing University of Ottawa

Room: RGN 1480D
Office: 613-562-5800 ext. 8917
Work E-mail:

Patrick O'Byrne


Patrick O’Byrne RN-EC PhD is a Full Professor of Nursing at the University of Ottawa. His research and clinical work as a nurse practitioner focus on the prevention, diagnosis, and treatment of sexually transmitted infections and HIV. Dr. O’Byrne’s work includes the provision of HIV medications to prevention HIV transmission (known as pre-exposure prophylaxis and post-exposure prophylaxis), and the delivery of culturally sensitive and appropriate nursing services for members of the groups most affected by sexually transmitted infections and HIV. He holds an OHTN Research Chair in Public Health and HIV Prevention.

Click here for a full list of Dr. O'Byrne's work.

Research Interests

  • Public health nursing
  • Marginalized populations
  • Sexual health
  • Sexually transmitted infections and HIV
  • HIV prevention
  • Critical theory and Politics
  • Nursing
  • Intersection of health and law

Peer Reviewed Publications

  • O’Byrne P, Hollett M, Campbell B. (2020). A nurse practitioner leadership model for sexual health clinics: Staff feedback about implementation and operations. Nurse Leader.
  • O’Byrne P, Orser L*, Haines M*. (2020). Active-offer nurse-led PrEP (PrEP-RN) referrals: Analysis of uptake and reasons for declining. AIDS & Behaviour.
  • O’Byrne P. (2020). Interpreting an RPR of 1:4 in a female patient. The Journal for Nurse Practitioners.
  • O’Byrne P, Orser L*, Haines M*, Holmes D. (2020). Active-offer PrEP for HIV prevention: Control, discipline, and public health practice. Critical Public Health.
  • Orser L*, O’Byrne P, Bourgault A, Scherling N. (2020). Syphilis diagnosis, staging, and treatment: An algorithm to facilitate management in clinical practice. Journal of the American Association of Nurse Practitioners. https://doi:10.1097/JXX.0000000000000370
  • O’Byrne P, Orser L*. (2020). Avoiding missed opportunities to screen for HIV. Journal of the American Association of Nurse Practitioners.
  • O’Byrne P, Orser L*, Jacob JD. (2020). The costs of HIV pre-exposure prophylaxis (PrEP) care delivery: Comparing specialists, primary care, and PrEP-RN. Sexuality Research & Social Policy.
  • O’Byrne P, MacPherson PA. 2020. Painful penile lesions and testicular pain in a 45-year-old HIV-positive man: a possible case of syphilitic epididymitis. The Nurse Practitioner, 45(4), 14-17.
  • Pearson Jeske C*, O’Byrne P. 2019. Perceptions and experiences of methadone maintenance treatment: A qualitative descriptive research study. Journal of Addictions Nursing, 30(4), 248-253.
  • O’Byrne P, Jacob JD. 2019. The evolution of HIV prevention: From discipline to control. Advances in Nursing Science, 42(4), E1-E10.
  • O’Byrne P, Orser L*. 2019. Express testing for sexually transmitted infections: Clinical results. Journal of Research in Nursing, 24(7), 541-547.
  • O’Byrne P, MacPherson PA. 2019. Clinical updates: Syphilis. British Medical Journal, 365, I4159.
  • *solicited manuscript
  • O’Byrne P. 2019. HIV preexposure prophylaxis (PrEP): A quick guide for primary care practice. The Journal for Nurse Practitioners, 15(8), 564-567.  
  • Orser L*, O’Byrne P. 2019. Implementing a nurse-led HIV pre-exposure prophylaxis service (PrEP-RN) in a public health unit STI clinic. Health Reform Observer, 7(2), Article 3, 1-11.
  • O’Byrne P. 2019. HIV PEP and nursing scholarship: A reflection on critical theory and social justice. Witness: Canadian Journal of Critical Nursing Discourse, 1(1), 28-38.
  • O’Byrne P, MacPherson PA, Orser L*, Jacob JD, Holmes D. 2019. PrEP-RN: Clinical considerations and protocols for nurse-led PrEP. Journal of the Association of Nurses in AIDS Care, 30(3), 301-311.
  • O’Byrne P, Jacob JD, Orser L*, Bourgault A, Lee S. 2019. Responding to critiques of the Canadian PrEP guidelines: Increasing equitable access through a nurse-led active-offer PrEP service (PrEP-RN). Canadian Journal of Human Sexuality, 28(1), 5-16.
  • O’Byrne P. 2019. Population health and social governance: A review, an update, some clarifications, and a response. Qualitative Health Research, 29(5), 731-8.
  • *solicited manuscript
  • O’Byrne P, Pearson Jeske, C*. 2019. Methadone maintenance treatment as social control: Analyzing patient experiences. Nursing Inquiry, 26(2), e12275.
  • O’Byrne P, Orser L*, Jacob JD. 2019. The “side effects” of PEP use: Forced reflections and introspections on sexual decision-making. Research and Theory for Nursing Practice: An International Journal, 33(2), 196-208.
  • O’Byrne P. 2019. Rigour after gonorrhea treatment in a 55-year-old man. Canadian Family Physician, 65(2), 112-115.
  • O’Byrne P, MacPherson PA, Kitson C*, Bourgault A. 2019. Consideration of sexually transmitted infections in the differential diagnosis: Case studies. Journal of the American Association of Nurse Practitioners, 31(1), 65-71.
  • Watts J*, O’Byrne P. 2019. “I don't care if you think I'm gay ... that won't make me either promiscuous or HIV positive”: HIV, stigma, and the paradox of the gay men's sexual health clinic – An exploratory study. Advances in Nursing Research, 47, 1-3.
  • O’Byrne P. 2019. Recommended screenings for chlamydia and gonorrhea: A Canadian guidelines review. The Nurse Practitioner, 44(2), 35-41.
  • Orser L*, O’Byrne P. 2019. The role of public health units in the delivery of HIV pre-exposure prophylaxis (PrEP). Canadian Journal of Public Health, 110(1), 72-5.
  • O’Byrne P, Jacob JD, Orser L*. 2018. An exploratory study of a nurse-led HIV postexposure prophylaxis program. Policy, Politics & Nursing Practice, 19(1-2), 29-39.
  • O’Byrne P, Orser L*, MacPherson P, Valela N*. 2018. The patient rationale for seeking HIV PEP: Qualitative results from a nurse-led program. Public Health Nursing, 35(5), 386-95.
  • O’Byrne P, Jacob JD.  2018. Screening for depression: Review of the Patient Health Questionnaire-9 for nurse practitioners. Journal of the American Association of Nurse Practitioners, 30(7), 406-11.
  • O’Byrne P. 2018. Party drug use among gay men: Expanding contemporary understandings for nursing practice. Research & Theory for Nursing Practice: An International Journal, 32(3), 296-310.
  • O’Byrne P, MacPherson P, Orser L*. 2018. Nurse-led HIV PEP program used by men at high risk for HIV seroconversion. Journal of the Association of Nurses in AIDS Care, 29(4), 550-9.
  • O’Byrne P. 2018. Discussions about STI histories and HIV-statuses among gay men in Ottawa, Canada: An HIV prevention analysis. Canadian Journal of Human Sexuality, 27(1), 79-91.
  • O’Byrne P, Orser L*. 2018. Overfilled urine specimens for gonorrhea and chlamydia testing: Implications for clinical practice. Applied Nursing Research, 39, 121-4.
  • Tan DHS, Hull MW, Yoong D, Tremblay C, O’Byrne P, Thomas R, Kille J, Baril JG, Cox J, Giguere P, Harris M, Hughes C, MacPherson P, O’Donnell S, Reimer J, Singh A, Barrett L, Bogoch I, Jollimore J, Lambert G, Lebouche B, Metz G, Rogers T, Shafran S. 2017. Canadian guideline on HIV pre-exposure prophylaxis and nonoccupational postexposure prophylaxis. Canadian Medical Association Journal, 189(47), E1448-58.
  • O’Byrne P, MacPherson P, Roy M*, Orser L*. 2017. Community-based, nurse-led HIV post-exposure prophylaxis: Results and implications. International Journal of STD & AIDS, 28(5), 505-11.
  • Friedman DS, O’Byrne P, Roy M*. 2016. Comparing those diagnosed early versus late in their HIV infection: Implications for public health. International Journal of STD & AIDS, 28(7), 693-701.
  • O’Byrne P, MacPherson P, DeLaplante S, Metz G, Bourgault A. 2016. Approach to lymphogranuloma venereum. Canadian Family Physician, 62(7), 554-8.
  • O’Byrne P, MacPherson P. 2016. HIV treatment as prevention: examining the evidence. Canadian Medical Association Journal 188(3), 198-203.
  • O’Byrne P, Roy M*, Kitson C*. 2016. Overviewing a nurse-led, community-based HIV PEP program: Applying the extant literature in frontline practice. Public Health Nursing, 32(3), 256-65.
  • O’Byrne P, Holmes D, Roy M*. 2016. Counselling about HIV serological status disclosure: Nursing practice or law enforcement? A Foucauldian reflection. Nursing Inquiry, 22(2), 134-46.
  • O’Byrne P, Phillips JC, Campbell B, Reynolds A, Metz G. 2016. “Express testing” in STI clinics: extant literature and preliminary implementation data. Applied Nursing Research 29, 177-87.
  • Foth T, O’Byrne P, Holmes D. 2015. Health prevention in the era of biosocieties: A critical analysis of the ‘seek-and-treat’ paradigm in HIV/AIDS prevention. Nursing Inquiry, 23(2), 99-108.
  • Moores A*, Phillips JC, O’Byrne P, MacPherson PM. 2015. Anal cancer screening knowledge, attitudes, and experiences among men who have sex with men in Ottawa, Ontario. Canadian Journal of Human Sexuality, 24(3), 228-36.
  • O’Byrne P, Ember A, MacPherson P, Grayson MO, Bourgault A. 2014. Overview of a gay men’s STI/HIV testing clinic in Ottawa: Clinical operations and outcomes. Canadian Journal of Public Health, 105(5), e389-94.
  • O’Byrne P, Phillips JC, Kitson C*, Bryan A. 2014. HIV-status and sexual behaviour among gay men in Ottawa: Considerations for public health. British Medical Journal Open 4(9), e005065.
  • O’Byrne P, Bryan A*, Hendriks A*, Horvath C*, Bouchard C, Etches V. 2014. Social marginalization and internal exclusion: Gay men’s understandings and experiences of community. Canadian Journal of Nursing Research 46(2), 57-79.
  • O’Byrne P, Watts J*. 2014. Include, differentiate, and manage: Gay male youth, stigma, and healthcare utilization. Nursing Inquiry 21(1), 20-9.
  • Gagnon M, Phillips JC, O’Byrne P. 2014. Building consensus: The role of clinicians and researchers in challenging HIV criminalization. Journal of the Association of Nurses in AIDS Care, 25(6), 473-5.
  • O’Byrne P, Bryan A*, Roy M*. 2013. HIV criminal prosecutions and public health: An examination of the empirical research. British Medical Journal: Medical Humanities 39(2), 85-90.
  • O’Byrne P, Bryan A*, Roy M*. 2013. Sexual practices and STI/HIV testing among gay, bisexual, and men who have sex with men in Ottawa, Canada: Examining nondisclosure prosecutions and HIV prevention. Critical Public Health, 23(2), 225-36.
  • O’Byrne P. 2013. Examining the intersection of desire, drugs, and place among gay men. Journal of Research in Nursing, 18(3), 265-76.
  • O’Byrne P, Bryan A*. 2013. Anonymous HIV testing and public health in Ontario, Canada: Understanding HIV surveillance. Surveillance & Society, 11(1/2), 35-54.
  • O’Byrne P, Willmore J, Bryan A*, Friedman D, Hendriks A*, Massenat D, Bouchard C, Remis R, Etches V. 2013. Nondisclosure prosecutions and population health outcomes: Examining HIV testing, HIV diagnoses, and the attitudes of men who have sex with men following nondisclosure prosecution media releases in Ottawa, Canada. BMC Public Health, 13, 94.
  • O’Byrne P, Bryan A*, & Woodyatt C*. 2013. Nondisclosure prosecutions and HIV prevention: Results from an Ottawa-based gay men’s sex survey. Journal of the Association of Nurses in AIDS Care, 24(1), 81-7.
  • O’Byrne P. 2012. Nomadic sexualities: An in-depth case study about “unsafe sex”. Nursing Inquiry, 19(4), 357-67.
  • Bryan A*, O’Byrne P. 2012. A documentation policy development proposal for clinicians caring for people living with HIV/AIDS. Policy, Politics & Nursing Practice, 13(2), 98-104.
  • O’Byrne P. 2012. Health inequities, HIV, and public health practice: Examining the role of qualitative research. Research & Theory for Nursing Practice: An International Journal, 26(3), 167-81.
  • O’Byrne P, Holmes D. 2012. Indulgence, restraint, and the engagement of pleasure: Inciting reflection using Nietzsche’s ascetic ideal. Research & Theory for Nursing Practice: An International Journal, 26(1), 10-24.
  • O’Byrne P. 2012. HIV prevention in the context of care: HIV testing and public health practice. Public Health Nursing, 29(2), 175-84.
  • O’Byrne P. 2012. Population health and social governance: Analyzing the mainstream incorporation of ethnography. Qualitative Health Research, 22(6), 859-67.
  • O’Byrne P. 2012 Criminal law and public health practice: Are the Canadian HIV disclosure laws an effective HIV prevention strategy? Sexuality Research & Social Policy, 9(1), 70-9.
  • O’Byrne P, Holmes D. 2011. Drug use as boundary play: A qualitative exploration of gay circuit parties. Substance Use & Misuse, 46(12), 1510-22.
  • O’Byrne P. 2011. The potential public health effects of a police announcement about HIV non-disclosure: A case analysis. Policy, Politics & Nursing Practice, 12(1), 53-63.
  • O’Byrne P. 2011. HIV, nursing practice, and the law: What does HIV criminalization mean for practicing nurses? Journal of the Association of Nurses in AIDS Care, 22(5), 339-44.
  • O’Byrne P. 2011. An argument for practice-based public health research on sexually transmitted infection management. Public Health Nursing, 28(4), 357-65.
  • O’Byrne P, Watts J*. 2011. Exploring sexual networks: A pilot study of swingers’ sexual behaviour and healthcare-seeking practices. Canadian Journal of Nursing Research, 43(1), 80-97.
  • O’Byrne P. 2011. Self-directed sexually transmitted infection testing: Providing non-invasive sexual health services. Applied Nursing Research, 24(1), 17-21.
  • O’Byrne P, Holmes D. 2011. Desire, drug use and unsafe Sex: A qualitative examination of gay men who attend gay circuit parties. Culture, Health & Sexuality, 13(1), 1-13.
  • O’Byrne P, Watts J*. 2010. Theory and practice: Examining PHAC’s STI assessment guidelines using sexual script theory. Aporia – The Nursing Journal, 2(4), 6-18.
  • Holmes D, O’Byrne P, Murray S. 2010. Faceless sex: Glory holes and sexual assemblages. Nursing Philosophy, 11, 250-9.
  • Holmes D, O’Byrne P. 2010. Subjugated to the ‘appa­­ratus of capture’: Self, sex, and public health technologies. Social Theory & Health, 8(3), 246-58.
  • O’Byrne P. 2010. Indulging in Unlimited Intimacy: Contemplating Tim Dean’s Reflections on the Culture of Barebacking. Sexualities, (3)1, 123-5.
  • O’Byrne P, Holmes D. 2009. Public health STI/HIV surveillance: Exploring the society of control. Surveillance & Society, 7(1), 58-70.
  • Gastaldo D, Holmes D, Lombardo A, O’Byrne P. 2009. Unprotected sex among men who have sex with men in Canada: Exploring rationales and expanding HIV prevention. Critical Public Health, 19(3-4), 399-416.
  • O’Byrne P, Holmes D. 2009. The politics of nursing care: Correcting deviance in accordance with the social contract. Policy, Politics, & Nursing Practice, 10(2), 153-62.

Chapters in Books

  • Holmes D, O’Byrne P, Murray S, Mercier M*. 2017. Transgressive assemblages: An ethnography of gay group sex. Radical Sex Between Men: Assembling Desiring-Machines. London: Routledge.
  • Holmes D, O’Byrne P, Murray S. 2017. Faceless sex: glory holes and sexual assemblages. Radical Sex Between Men: Assembling Desiring-Machines. London: Routledge.
  • Holmes D, O’Byrne P. 2012. Resisting the Violence of Stratification:
    Imperialism, War Machines and the Evidence-based Movement. In A. Broom, J. Adams (Eds.), Evidence Based Healthcare in Context: Critical Social Science Perspectives. (p. 43-60). Aldershot: Ashgate. 
  • O’Byrne P, Woodyatt C*. 2012. Sexual Health Nursing Assessments: Examining the Symbolic Violence of Intimate Exposures. In D Holmes, T Rudge, A Perron (Eds.), Rethinking Violence in Health Care: A Critical Approach. (p. 189-200). Aldershot: Ashgate.
  • Holmes D, O’Byrne P, Gastaldo D. 2010. Unspeakable Pleasures: Conducting Research in the RadSex Domain. In I Bourgeault, R Dingwall, R de Vries, (Eds.), Sage Handbook on Qualitative Health Research. (p. 673-95). Thousand Oaks: Sage.
  • O’Byrne P. 2010. Eroticizing the abject: Understanding the role of skeeting in sexual practices. In D Holmes, T Rudge (Eds.), Abjectly Boundless. (p. 81-101). Surrey: Ashgate.
Back to top