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Real-World Outcomes in Historically Underserved Patients with Chronic Hepatitis C Infection Treated with Glecaprevir/Pibrentasvir. Infect Dis Ther 2021; 10:2203-2222. [PMID: 34125405 PMCID: PMC8572930 DOI: 10.1007/s40121-021-00455-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 05/06/2021] [Indexed: 12/22/2022] Open
Abstract
Introduction Glecaprevir/pibrentasvir is approved for treating chronic hepatitis C virus (HCV) genotypes (GT) 1–6. We evaluated real-world effectiveness, safety, and patient-reported outcomes of glecaprevir/pibrentasvir in underserved patient populations, focusing on persons who use drugs infected with HCV. Methods Data were pooled from nine countries (13 November 2017–31 January 2020). Patients had HCV GT1–6, with or without compensated cirrhosis, with or without prior HCV treatment and received glecaprevir/pibrentasvir consistent with local label at their physician’s discretion. Patients with prior direct-acting antiviral exposure were excluded from efficacy and quality-of-life analyses. The percentage of patients achieving sustained virologic response at post-treatment week 12 (SVR12) was assessed. Mean changes from baseline to SVR12 visit in 36-Item Short-Form Health Survey mental and physical component summary scores were reported. Safety was assessed in patients receiving at least one dose of glecaprevir/pibrentasvir. Results Of 2036 patients, 1701 (83.5%) received 8-week glecaprevir/pibrentasvir. In 1684 patients with sufficient follow-up, SVR12 rates were 98.0% (1651/1684) overall, 98.1% (1432/1459) in 8-week treated patients, 97.0% (519/535) in persons who use drugs, and greater than 95% across subgroups. Mean changes from baseline in mental and physical component summary scores were 3.7 and 2.4, respectively. One glecaprevir/pibrentasvir-related serious adverse event was reported; six glecaprevir/pibrentasvir-related adverse events led to discontinuation. Conclusions Glecaprevir/pibrentasvir was highly effective, well tolerated, and improved quality of life in HCV-infected persons who use drugs and other underserved patients. Trial Registration These multinational post-marketing observational studies are registered with ClinicalTrials.gov, number NCT03303599. Supplementary Information The online version contains supplementary material available at 10.1007/s40121-021-00455-1.
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Muncan B, Jordan AE, Perlman DC, Frank D, Ompad DC, Walters SM. Acceptability and Effectiveness of Hepatitis C Care at Syringe Service Programs for People Who Inject Drugs in New York City. Subst Use Misuse 2021; 56:728-737. [PMID: 33682610 PMCID: PMC8514132 DOI: 10.1080/10826084.2021.1892142] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Introduction/Objectives: The incidence of hepatitis C (HCV) infection is rising among people who inject drugs (PWID). Even in the context of known HCV prevention and treatment strategies, some PWID remain unengaged in HCV care. This study aimed to identify and characterize experiences and perceptions of PWID regarding the acceptability and effectiveness of HCV testing and treatment at a local syringe service program (SSP). Methods: A total of 36 PWID participated in semi-structured interviews at an SSP in New York City. Interviews were audio-recorded, transcribed, and coded by three coders, following a constructivist grounded theory approach. Relevant themes were identified as they emerged from the data. Results: Interviews with PWID revealed three themes related to the impact of SSPs on HCV care: (1) non-stigmatizing SSP environments, (2) the role of SSPs in improving HCV knowledge, and (3) acceptability of SSPs as sites for HCV care among PWID. Discussion: This paper contributes to the ongoing understanding that SSPs provide a well-accepted source of HCV services for PWID. Participants believed that SSPs are accessible and effective sites for HCV care, and suggested that stigma among PWID continues to affect receipt of HCV care in traditional settings. Conclusions: Understanding attitudes and beliefs of PWID regarding the effectiveness of SSPs as sites for HCV care is crucial for the development of focused strategies to reduce HCV transmission, and to ultimately achieve HCV elimination. Given this, further research is warranted investigating how best to improve HCV care at harm reduction sites such as SSPs.
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Affiliation(s)
- Brandon Muncan
- Renaissance School of Medicine at Stony, Brook University, Stony Brook, NY, USA
| | - Ashly E. Jordan
- Behavioral Science Training Program in Drug Abuse Research, Rory Meyers College of Nursing, New York University, New York, NY, USA
- Center for Drug Use and HIV/HCV Research, New York, NY, USA
- Graduate School of Public Health and Health Policy, City University of New York, New York, NY, USA
| | - David C. Perlman
- Center for Drug Use and HIV/HCV Research, New York, NY, USA
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - David Frank
- Behavioral Science Training Program in Drug Abuse Research, Rory Meyers College of Nursing, New York University, New York, NY, USA
- Center for Drug Use and HIV/HCV Research, New York, NY, USA
| | - Danielle C. Ompad
- Center for Drug Use and HIV/HCV Research, New York, NY, USA
- Department of Epidemiology, New York University School of Global Public Health, New York, NY, USA
| | - Suzan M. Walters
- Behavioral Science Training Program in Drug Abuse Research, Rory Meyers College of Nursing, New York University, New York, NY, USA
- Center for Drug Use and HIV/HCV Research, New York, NY, USA
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Grau-López L, Marcos-Fosch C, Daigre C, Palma-Alvarez RF, Rando-Segura A, Llaneras J, Perea-Ortueta M, Rodriguez-Frias F, Martínez-Luna N, Riveiro-Barciela M, Ramos-Quiroga JA, Colom J, Esteban R, Buti M. Barriers to linkage to care in hepatitis C patients with substance use disorders and dual diagnoses, despite centralized management. Therap Adv Gastroenterol 2021; 14:17562848211016563. [PMID: 34471422 PMCID: PMC8404622 DOI: 10.1177/17562848211016563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 04/13/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Hepatitis C virus (HCV) management is a challenge in patients with substance use disorder (SUD). This study aimed to describe an HCV screening and linkage to care program in SUD patients, and analyze the characteristics of this population in relation to HCV infection, particularly the impact of psychiatric comorbidities (dual diagnosis). METHODS This study was a prospective clinical cohort study using a collaborative, multidisciplinary model to offer HCV care (screening, diagnosis, and therapy) to individuals with SUD attending a dedicated hospital clinic. The characteristics of the participants, prevalence of HCV infection, percentage who started therapy, and adherence to treatment were compared according to the patients' consumption characteristics and presence of dual diagnosis. HCV screening, diagnosis, treatment initiation, and sustained virologic response were analyzed. RESULTS 528 individuals attended the center (November 2018-June 2019) and 401 (76%) accepted screening. In total, 112 (28%) were anti-HCV-positive and 42 (10%) had detectable HCV RNA, but only 20 of the latter started HCV therapy. Among the 253 (63%) patients with a dual diagnosis, there were no differences in HCV infection prevalence versus patients with SUD alone (p = 0.28). Dual diagnosis did not lead to a higher risk of HCV infection or interfere with linkage to care or treatment. CONCLUSION This study found a high prevalence of dual diagnosis and HCV infection in SUD patients, but dual diagnosis was not associated with an increased risk of acquiring HCV or more complex access to care. Despite use of a multidisciplinary management approach, considerable barriers to HCV care remain in this population that would need more specific focus.
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Affiliation(s)
- Lara Grau-López
- Addiction and Dual Diagnosis Section, Department of Psychiatry, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Psychiatry Group, Mental Health and Addiction, Vall d’Hebron Research Institute (VHIR), Barcelona, Spain
- Biomedical Network Research Centre on Mental Health (CIBERSAM), Spain
- Department of Psychiatry and Forensic Medicine, Autonomous University of Barcelona, Barcelona, Spain
| | - Cristina Marcos-Fosch
- Liver Unit, Internal Medicine Department, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Hospital Universitari Vall d’Hebron, Department of Medicine of the UAB (Universitat Autònoma de Barcelona), Barcelona, Spain
| | - Constanza Daigre
- Addiction and Dual Diagnosis Section, Department of Psychiatry, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Psychiatry Group, Mental Health and Addiction, Vall d’Hebron Research Institute (VHIR), Barcelona, Spain
- Biomedical Network Research Centre on Mental Health (CIBERSAM), Spain
- Department of Psychiatry and Forensic Medicine, Autonomous University of Barcelona, Barcelona, Spain
| | - Raúl Felipe Palma-Alvarez
- Addiction and Dual Diagnosis Section, Department of Psychiatry, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Psychiatry Group, Mental Health and Addiction, Vall d’Hebron Research Institute (VHIR), Barcelona, Spain
- Biomedical Network Research Centre on Mental Health (CIBERSAM), Spain
- Department of Psychiatry and Forensic Medicine, Autonomous University of Barcelona, Barcelona, Spain
| | - Ariadna Rando-Segura
- Liver Disease-Viral Hepatitis Laboratory, Vall d’Hebron Research Institute (VHIR), Barcelona, Spain
| | - Jordi Llaneras
- Liver Unit, Internal Medicine Department, Hospital Universitari Vall d’Hebron, Barcelona, Spain
| | - Marta Perea-Ortueta
- Addiction and Dual Diagnosis Section, Department of Psychiatry, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Psychiatry Group, Mental Health and Addiction, Vall d’Hebron Research Institute (VHIR), Barcelona, Spain
- Biomedical Network Research Centre on Mental Health (CIBERSAM), Spain
- Department of Psychiatry and Forensic Medicine, Autonomous University of Barcelona, Barcelona, Spain
| | | | - Nieves Martínez-Luna
- Addiction and Dual Diagnosis Section, Department of Psychiatry, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Psychiatry Group, Mental Health and Addiction, Vall d’Hebron Research Institute (VHIR), Barcelona, Spain
- Biomedical Network Research Centre on Mental Health (CIBERSAM), Spain
- Department of Psychiatry and Forensic Medicine, Autonomous University of Barcelona, Barcelona, Spain
| | - Mar Riveiro-Barciela
- Liver Unit, Internal Medicine Department, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Josep Antoni Ramos-Quiroga
- Addiction and Dual Diagnosis Section, Department of Psychiatry, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Psychiatry Group, Mental Health and Addiction, Vall d’Hebron Research Institute (VHIR), Barcelona, Spain
- Biomedical Network Research Centre on Mental Health (CIBERSAM), Spain
- Department of Psychiatry and Forensic Medicine, Autonomous University of Barcelona, Barcelona, Spain
| | - Joan Colom
- Director of the Programme for Prevention, Control and Treatment of HIV, STIs and Viral Hepatitis. Agency of Public Health of Catalonia. Generalitat de Catalunya
| | - Rafael Esteban
- Liver Unit, Internal Medicine Department, Hospital Universitari Vall d’Hebron, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
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Parsons G, Ragbir C, D'Agnone O, Gibbs A, Littlewood R, Hard B. Patient-Reported Outcomes, Experiences and Satisfaction with Weekly and Monthly Injectable Prolonged-Release Buprenorphine. Subst Abuse Rehabil 2020; 11:41-47. [PMID: 33173372 PMCID: PMC7648142 DOI: 10.2147/sar.s266838] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 09/29/2020] [Indexed: 12/26/2022] Open
Abstract
Introduction Prolonged-release buprenorphine (PRB), administered by weekly or monthly injection, for opioid dependence (OD) treatment offers the potential to address some limitations of oral therapy including stigma, difficulty in achieving consistent appropriate dosing, risk of diversion of medications, risk of overdose, and continuing use of other drugs. Patient-reported outcomes (PRO) and experiences are important in the evaluation of OD therapy success. This work aimed to document PRO during PRB therapy to guide future treatment decision-making. Methods Qualitative interviews were completed with people on PRB OD treatment. Twenty individuals from four treatment services in England and Wales were asked to participate. A structured interview was developed guided by a person with OD lived experience. Interviews were transcribed, coded and analyzed using iterative categorization. Results Fifteen of 20 individuals approached agreed to participate, and 14 completed interviews. The average age of participants was 42 (range 33–54) years, 13 males and 1 woman, the history of problematic opioid use was 14 years (3–25 years), time in treatment was 7 years (1–20 years), and duration on treatment with PRB was 4 months (range 1–8 months). Participants reported treatment experiences leading to coding of 277 unique comments: therapy effectiveness (77% indicated a benefit of, or satisfaction with, PRB therapy, 7% neutral/general, 16% indicated concern or questions about PRB therapy), convenience (81% benefit, 7% neutral/general, 12% concern), and overall satisfaction (81% benefit, 3% neutral/general, 16% concern). Reported benefits include cravings reduction of 10 (71%), self-care improvement of 10 (71%), relationships improvement of 9 (64%), resources management of 6 (43%), positive outlook on life of 12 (86%). Participants reported a range of positive personal experiences; challenges reported included temporary injection discomfort at treatment initiation. Discussion In this small, focused population, there was generally a positive level of treatment satisfaction with PRB. These experiences provide insights to explain potential treatment benefit to others and are useful in guiding therapy choices for others in the future.
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Beyond clinical outcomes: the social and healthcare system implications of hepatitis C treatment. BMC Infect Dis 2020; 20:702. [PMID: 32972393 PMCID: PMC7517680 DOI: 10.1186/s12879-020-05426-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 09/16/2020] [Indexed: 12/19/2022] Open
Abstract
Background Hepatitis C virus (HCV) infections in people who inject drugs (PWID) can now be treated and cured. However, the impact that HCV treatment has on drug-user health, practices and wellbeing is not known. The aim of this research was to understand the non-clinical impact that HCV treatment has in PWID and their reasons for accessing and completing treatment. Methods Participants aged 25–67 years who had injected opioids or stimulants (currently or in the past) and had completed direct-acting antiviral treatment were recruited from seven European countries. Participants completed a 30-min online survey administered face-to-face between September 2018 and April 2019. The questionnaire responses were used to assess the mental and physical impact of having completed treatment. Results Of the 124 participants who completed the survey questionnaire, 75% were male, 69% were over 45 years old and 65% were using opioids and/or stimulants at the start of HCV treatment. Participants reported improvements in the following areas after completing HCV treatment: outlook for the future (79%); self-esteem (73%); ability to plan for the future (69%); belief in their abilities (68%); confidence (67%); empowerment (62%); energy levels (59%); and ability to look after themselves (58%). The most common reasons for starting HCV treatment were: becoming aware of treatments that were well tolerated (77%) and effective (75%); and understanding the potentially severe consequences of HCV (75%). Conclusions The benefits of HCV treatment go beyond clinical outcomes and are linked to improved drug-user health and wellbeing. Sharing information about well-tolerated and effective HCV treatments, and raising awareness about the potentially severe consequences of untreated HCV are likely to increase the number of PWID who are motivated to access and complete HCV treatment in future.
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Jessop AB, Bass SB, Brajuha J, Alhajji M, Burke M, Gashat MT, Wellington C, Ventriglia N, Coleman J, D'Avanzo P. "Take Charge, Get Cured": Pilot testing a targeted mHealth treatment decision support tool for methadone patients with hepatitis C virus for acceptability and promise of efficacy. J Subst Abuse Treat 2019; 109:23-33. [PMID: 31856947 DOI: 10.1016/j.jsat.2019.11.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 10/25/2019] [Accepted: 11/04/2019] [Indexed: 12/27/2022]
Abstract
Hepatitis C (HCV) is a highly prevalent infection in current and former IV drug users. Current estimates indicate that over 70% of those in methadone maintenance treatment programs (MMTs) have HCV, but only 11% have initiated treatments despite availability of new treatments that are easily tolerated and can cure infection in about 8 weeks. We conducted a pilot randomized trial at four Philadelphia, PA MMTs to test acceptability, feasibility and promise of efficacy of our "Take Charge, Get Cured" mobile health (mHealth) treatment decision tool, developed through extensive formative work that included methadone patients' input and targeted directly to concerns of methadone patients with Hepatitis C (HCV). We compared its impact on perceptions and knowledge about HCV and HCV treatment, decisional conflict, intention to and actual initiation of HCV care to a web-based Cochrane-reviewed, non-targeted HCV decision tool. Subjects (n = 122) were randomized, administered baseline questionnaires, interacted with the targeted or non-targeted decision tool on an electronic tablet, and answered post-test questions. After 3-months subjects (n = 93; 76%) were surveyed for follow up. "Take Charge, Get Cured" users were more likely to report the tool helped with decision making and demonstrated greater improvement in knowledge, decisional conflict, and intention to be treated for their HCV infections than users of the non-targeted decision tool. They were significantly more likely to say the targeted tool was helpful and that they would recommend it to others. At three month follow up, targeted group participants were more likely to say the tool helped them make a better decision about treatment and prepared them to talk to their doctor about what matters most to them about treatment. No differences were seen in actions to initiate HCV care, but more targeted group participants reported talking to their doctors about HCV treatment. Results indicate a highly targeted mHealth decision tool is an important strategy to affect perceptions and knowledge of HCV treatment that lowers decisional conflict about initiating treatment, key components in decision making. We believe this highly acceptable and feasible intervention could be utilized in clinical settings to address the important barriers to initiating HCV treatment in a vulnerable population.
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Affiliation(s)
- Amy B Jessop
- Western Michigan University, Public health Program, 200 Ionia Ave, NW, 4th Floor, Grand Rapids, MI 49503, USA; HepTREC, 141 Whitemarsh Rd, Ardmore, PA 19003, USA.
| | - Sarah Bauerle Bass
- Temple University, Department of Social and Behavioral Sciences, Risk Communication Laboratory, College of Public Health, Ritter Annex, Philadelphia, PA 19122, USA
| | - Jesse Brajuha
- Temple University, Department of Social and Behavioral Sciences, Risk Communication Laboratory, College of Public Health, Ritter Annex, Philadelphia, PA 19122, USA
| | - Mohammed Alhajji
- Temple University, Department of Social and Behavioral Sciences, Risk Communication Laboratory, College of Public Health, Ritter Annex, Philadelphia, PA 19122, USA
| | - Monika Burke
- HepTREC, 141 Whitemarsh Rd, Ardmore, PA 19003, USA
| | | | - Carine Wellington
- Temple University, Department of Social and Behavioral Sciences, Risk Communication Laboratory, College of Public Health, Ritter Annex, Philadelphia, PA 19122, USA
| | - Nicole Ventriglia
- Temple University, Department of Social and Behavioral Sciences, Risk Communication Laboratory, College of Public Health, Ritter Annex, Philadelphia, PA 19122, USA
| | - Jennie Coleman
- Temple University, Department of Social and Behavioral Sciences, Risk Communication Laboratory, College of Public Health, Ritter Annex, Philadelphia, PA 19122, USA
| | - Paul D'Avanzo
- Temple University, Department of Social and Behavioral Sciences, Risk Communication Laboratory, College of Public Health, Ritter Annex, Philadelphia, PA 19122, USA
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Høj SB, Jacka B, Minoyan N, Artenie AA, Bruneau J. Conceptualising access in the direct-acting antiviral era: An integrated framework to inform research and practice in HCV care for people who inject drugs. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2019; 72:11-23. [PMID: 31003825 DOI: 10.1016/j.drugpo.2019.04.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/22/2019] [Accepted: 04/01/2019] [Indexed: 12/17/2022]
Abstract
As direct-acting antiviral (DAA) therapy costs fall and eligibility criteria are relaxed, people who inject drugs (PWID) will increasingly become eligible for HCV treatment. Yet eligibility does not necessarily equate to access. Amidst efforts to expand treatment uptake in this population, we seek to synthesise and clarify the conceptual underpinnings of access to health care for PWID, with a view to informing research and practice. Integrating dominant frameworks of health service utilisation, care seeking processes, and ecological perspectives on health promotion, we present a comprehensive theoretical framework to understand, investigate and intervene upon barriers and facilitators to HCV care for PWID. Built upon the concept of Candidacy, the framework describes access to care as a continually negotiated product of the alignment between individuals, health professionals, and health systems. Individuals must identify themselves as candidates for services and then work to stake this claim; health professionals serve as gatekeepers, adjudicating asserted candidacies within the context of localised operating conditions; and repeated interactions build experiential knowledge and patient-practitioner relationships, influencing identification and assertion of candidacy over time. These processes occur within a complex social ecology of interdependent individual, service, system, and policy factors, on which other established theories provide guidance. There is a pressing need for a deliberate and nuanced theory of health care access to complement efforts to document the HCV 'cascade of care' among PWID. We offer this framework as an organising device for observational research, intervention, and implementation science to expand access to HCV care in this vulnerable population. Using practical examples from the HCV literature, we demonstrate its utility for specifying research questions and intervention targets across multiple levels of influence; describing and testing plausible effect mechanisms; and identifying potential threats to validity or barriers to research translation.
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Affiliation(s)
- Stine Bordier Høj
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), 900 rue St-Denis, Montréal, Québec, H2X 0A9, Canada.
| | - Brendan Jacka
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), 900 rue St-Denis, Montréal, Québec, H2X 0A9, Canada
| | - Nanor Minoyan
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), 900 rue St-Denis, Montréal, Québec, H2X 0A9, Canada; École de Santé Publique de l'Université de Montréal, 7101 Avenue du Parc, Montréal, Québec, H3N 1X9, Canada
| | - Andreea Adelina Artenie
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), 900 rue St-Denis, Montréal, Québec, H2X 0A9, Canada; École de Santé Publique de l'Université de Montréal, 7101 Avenue du Parc, Montréal, Québec, H3N 1X9, Canada
| | - Julie Bruneau
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), 900 rue St-Denis, Montréal, Québec, H2X 0A9, Canada; Département de Médicine Familiale et Médecine d'Urgence, Faculté de médecine, Université de Montréal, C.P. 6128, succursale Centre-ville, Montréal, Québec, H3C 3J7, Canada.
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