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Pytell JD, Fojo AT, Keruly JC, Snow LN, Falade-Nwulia O, Moore RD, Chander G, Lesko CR. Measuring time in buprenorphine treatment stages among people with HIV and opioid use disorder by retention definition and its association with cocaine and hazardous alcohol use. Addict Sci Clin Pract 2023; 18:51. [PMID: 37660116 PMCID: PMC10474763 DOI: 10.1186/s13722-023-00408-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 08/23/2023] [Indexed: 09/04/2023] Open
Abstract
BACKGROUND We use a novel, longitudinal approach to describe average time spent in opioid use disorder (OUD) cascade of care stages for people with HIV (PWH) and with OUD, incorporating four definitions of treatment retention. Using this approach, we describe the impact of cocaine or hazardous alcohol use on time spent retained on buprenorphine. METHODS We followed PWH with OUD enrolled in the Johns Hopkins HIV Clinical Cohort from their first buprenorphine treatment episode between 2013 and 2020. We estimated 4-year restricted mean time spent on buprenorphine below buprenorphine retention threshold, on buprenorphine above retention threshold, off buprenorphine and in HIV care, loss to follow-up, and death. Retention definitions were based on retention threshold (180 vs 90 days) and allowable treatment gap (7 vs 30 days). Differences in 2-year restricted mean time spent retained on buprenorphine were estimated for patients with and without cocaine or hazardous alcohol use. RESULTS The study sample (N = 179) was 63% male, 82% non-Hispanic Black, and mean age was 53 (SD 8) years. Patients spent on average 13.9 months (95% CI 11.4, 16.4) on buprenorphine over 4 years. There were differences in time spent retained on buprenorphine based on the retention definition, ranging from 6.5 months (95% CI 4.6, 8.5) to 9.6 months (95% CI 7.4, 11.8). Patients with cocaine use spent fewer months retained on buprenorphine. There were no differences for patients with hazardous alcohol use. CONCLUSIONS PWH with OUD spend relatively little time receiving buprenorphine in their HIV primary care clinic. Concurrent cocaine use at buprenorphine initiation negatively impact time on buprenorphine.
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Affiliation(s)
- Jarratt D Pytell
- Division of General Internal Medicine, Department of Medicine, University of Colorado School of Medicine, Mail Stop B180, 12631 E. 17Th Ave, Aurora, CO, 80045, USA.
| | - Anthony T Fojo
- Division of General Internal Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Jeanne C Keruly
- Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - LaQuita N Snow
- Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Oluwaseun Falade-Nwulia
- Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Richard D Moore
- Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Geetanjali Chander
- Division of General Internal Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Catherine R Lesko
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
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Lesko CR, Edwards JK, Hanna DB, Mayor AM, Silverberg MJ, Horberg M, Rebeiro PF, Moore RD, Rich AJ, McGinnis KA, Buchacz K, Crane HM, Rabkin CS, Althoff KN, Poteat TC. Longitudinal HIV care outcomes by gender identity in the United States. AIDS 2022; 36:1841-1849. [PMID: 35876653 PMCID: PMC9529804 DOI: 10.1097/qad.0000000000003339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE Describe engagement in HIV care over time after initial engagement in HIV care, by gender identity. DESIGN Observational, clinical cohort study of people with HIV engaged in routine HIV care across the United States. METHODS We followed people with HIV who linked to and engaged in clinical care (attending ≥2 visits in 12 months) in cohorts in the North American Transgender Cohort Collaboration, 2000-2018. Within strata of gender identity, we estimated the 7-year (84-month) restricted mean time spent: lost-to-clinic (stratified by pre/postantiretroviral therapy (ART) initiation); in care prior to ART initiation; on ART but not virally suppressed; virally suppressed (≤200 copies/ml); or dead (pre/post-ART initiation). RESULTS Transgender women ( N = 482/101 841) spent an average of 35.5 out of 84 months virally suppressed (this was 30.5 months for cisgender women and 34.4 months for cisgender men). After adjustment for age, race, ethnicity, history of injection drug use, cohort, and calendar year, transgender women were significantly less likely to die than cisgender people. Cisgender women spent more time in care not yet on ART, and less time on ART and virally suppressed, but were less likely to die compared with cisgender men. Other differences were not clinically meaningful. CONCLUSIONS In this sample, transgender women and cisgender people spent similar amounts of time in care and virally suppressed. Additional efforts to improve retention in care and viral suppression are needed for all people with HIV, regardless of gender identity.
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Affiliation(s)
- Catherine R Lesko
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Jessie K Edwards
- Department of Epidemiology, University of North Carolina School of Public Health, Chapel Hill, North Carolina
| | - David B Hanna
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York
| | - Angel M Mayor
- Department of Internal Medicine, Universidad Central del Caribe, Bayamón, Puerto Rico
| | - Michael J Silverberg
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Michael Horberg
- Kaiser Permanente Mid-Atlantic States, Mid-Atlantic Permanente Research Institute, Rockville, Maryland
| | - Peter F Rebeiro
- Division of Infectious Diseases and Epidemiology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Richard D Moore
- Division of General Internal Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Ashleigh J Rich
- Department of Social Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Kathleen A McGinnis
- Veterans Aging Cohort Study Coordinating Center, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Kate Buchacz
- HIV Research Branch, Division of HIV Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Heidi M Crane
- Department of Medicine, Division of Allergy and Infectious Diseases, University of Washington, Seattle, Washington
| | - Charles S Rabkin
- Infections and Immunoepidemiology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Keri N Althoff
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Tonia C Poteat
- Department of Social Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina
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Edwards JK, Donastorg Y, Zadrozny S, Hileman S, Gómez H, Seamans MJ, Herce ME, Ramírez E, Barrington C, Weir S. A Two-stage Approach for Rapid Assessment of the Proportion Achieving Viral Suppression Using Routine Clinical Data. Epidemiology 2022; 33:642-649. [PMID: 35648416 PMCID: PMC9378579 DOI: 10.1097/ede.0000000000001513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Improving viral suppression among people with HIV reduces morbidity, mortality, and transmission. Accordingly, monitoring the proportion of patients with a suppressed viral load is important to optimizing HIV care and treatment programs. But viral load data are often incomplete in clinical records. We illustrate a two-stage approach to estimate the proportion of treated people with HIV who have a suppressed viral load in the Dominican Republic. METHODS Routinely collected data on viral load and patient characteristics were recorded in a national database, but 74% of patients on treatment at the time of the study did not have a recent viral load measurement. We recruited a subset of these patients for a rapid assessment that obtained additional viral load measurements. We combined results from the rapid assessment and main database using a two-stage weighting approach and compared results to estimates obtained using standard approaches to account for missing data. RESULTS Of patients with recent routinely collected viral load data, 60% had a suppressed viral load. Results were similar after applying standard approaches to account for missing data. Using the two-stage approach, we estimated that 77% (95% confidence interval [CI] = 74, 80) of those on treatment had a suppressed viral load. CONCLUSIONS When assessing the proportion of people on treatment with a suppressed viral load using routinely collected data, applying standard approaches to handle missing data may be inadequate. In these settings, augmenting routinely collected data with data collected through sampling-based approaches could allow more accurate and efficient monitoring of HIV treatment program effectiveness.
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Affiliation(s)
- Jessie K. Edwards
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Yeycy Donastorg
- Instituto Dermatológico y Cirugia de Piel, Santo Domingo, Dominican Republic
| | - Sabrina Zadrozny
- Frank Porter Graham Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | | | - Hoisex Gómez
- Instituto Dermatológico y Cirugia de Piel, Santo Domingo, Dominican Republic
| | | | - Michael E. Herce
- School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Edwin Ramírez
- Servicio Nacional de Salud, Santo Domingo, Dominican Republic
| | - Clare Barrington
- Department of Health Behavior, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Sharon Weir
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
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Desir FA, Lesko CR, Moore RD, Horberg MA, Wong C, Crane HM, Silverberg M, Thorne JE, Rachlis B, Rabkin C, Mayor AM, Mathews WC, Althoff KN. One Size Fits (n)One: The Influence of Sex, Age, and Sexual Human Immunodeficiency Virus (HIV) Acquisition Risk on Racial/Ethnic Disparities in the HIV Care Continuum in the United States. Clin Infect Dis 2019; 68:795-802. [PMID: 30169624 PMCID: PMC6376102 DOI: 10.1093/cid/ciy556] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 07/13/2018] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The United States National HIV/AIDS Strategy established goals to reduce disparities in retention in human immunodeficiency virus (HIV) care, antiretroviral therapy (ART) use, and viral suppression. The impact of sex, age, and sexual HIV acquisition risk (ie, heterosexual vs same-sex contact) on the magnitude of HIV-related racial/ethnic disparities is not well understood. METHODS We estimated age-stratified racial/ethnic differences in the 5-year restricted mean percentage of person-time spent in care, on ART, and virally suppressed among 19 521 women (21.4%), men who have sex with men (MSM; 59.0%), and men who have sex with women (MSW; 19.6%) entering HIV care in the North American AIDS Cohort Collaboration on Research and Design between 2004 and 2014. RESULTS Among women aged 18-29 years, whites spent 12.0% (95% confidence interval [CI], 1.1%-20.2%), 9.2% (95% CI, .4%-20.4%), and 13.5% (95% CI, 2.7%-22.5%) less person-time in care, on ART, and virally suppressed, respectively, than Hispanics. Black MSM aged ≥50 years spent 6.3% (95% CI, 1.3%-11.7%), 11.0% (95% CI, 4.6%-18.1%), and 9.7% (95% CI, 3.6%-16.8%) less person-time in these stages, respectively, than white MSM ≥50 years of age. Among MSM aged 40-49 years, blacks spent 9.8% (95% CI, 2.4%-16.5%) and 11.9% (95% CI, 3.8%-19.3%) less person-time on ART and virally suppressed, respectively, than whites. CONCLUSIONS Racial/ethnic differences in HIV care persist in specific populations defined by sex, age, and sexual HIV acquisition risk. Clinical and public health interventions that jointly target these demographic factors are needed.
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Affiliation(s)
- Fidel A Desir
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore
| | - Catherine R Lesko
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore
| | - Richard D Moore
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore
| | - Michael A Horberg
- Division of Research, Kaiser Permanente Mid-Atlantic Research Group, Rockville, Maryland
| | - Cherise Wong
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore
| | - Heidi M Crane
- Division of Allergy and Infectious Diseases, University of Washington, Seattle
| | | | - Jennifer E Thorne
- Division of Ocular Immunology, Johns Hopkins Wilmer Eye Institute, Baltimore, Maryland
| | - Beth Rachlis
- Dalla Lana School of Public Health, University of Toronto, Ontario, Canada
| | - Charles Rabkin
- National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Angel M Mayor
- Department of Internal Medicine, Universidad Central del Caribe, Bayamon, Puerto Rico
| | | | - Keri N Althoff
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore
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Calkins KL, Canan CE, Moore RD, Lesko CR, Lau B. An application of restricted mean survival time in a competing risks setting: comparing time to ART initiation by injection drug use. BMC Med Res Methodol 2018. [PMID: 29523081 PMCID: PMC5845164 DOI: 10.1186/s12874-018-0484-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Background Restricted mean survival time (RMST) is an underutilized estimand in time-to-event analyses. Herein, we highlight its strengths by comparing time to (1) all-cause mortality and (2) initiation of antiretroviral therapy (ART) for HIV-infected persons who inject drugs (PWID) and persons who do not inject drugs. Methods RMST to death was determined by integrating the Kaplan-Meier survival curve to 5 years of follow-up. To account for the competing risks of death and loss-to-clinic when estimating time to ART, we calculated RMST to ART initiation by estimating the area between the survival curve for ART initiation and the cumulative incidence curve for death or loss-to-clinic. We standardized all curves using inverse probability of exposure weights. Results We followed 3044 HIV-positive, ART-naive persons from enrollment into the Johns Hopkins HIV Clinical Cohort from 1996 to 2014. PWID had a − 0.19 year (95% confidence interval (CI): − 0.29, − 0.10) difference in survival over 5 years of follow-up compared to persons who did not inject drugs. There was no difference between the two groups in time not on ART while alive and in clinic (RMST difference = 0.08, 95% CI: -0.10, 0.36). Conclusions PWID have similar expected time to ART initiation after properly accounting for their greater risk of death and loss-to-clinic. Electronic supplementary material The online version of this article (10.1186/s12874-018-0484-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Keri L Calkins
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD, 21205, USA.
| | - Chelsea E Canan
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD, 21205, USA
| | - Richard D Moore
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD, 21205, USA.,School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Catherine R Lesko
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD, 21205, USA
| | - Bryan Lau
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD, 21205, USA.,School of Medicine, Johns Hopkins University, Baltimore, MD, USA
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Virologic suppression and CD4+ cell count recovery after initiation of raltegravir or efavirenz-containing HIV treatment regimens. AIDS 2018; 32:261-266. [PMID: 29112076 DOI: 10.1097/qad.0000000000001668] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVE To explore the effectiveness of raltegravir-based antiretroviral therapy (ART) on treatment response among ART-naive patients seeking routine clinical care. DESIGN Cohort study of adults enrolled in HIV care in the United States. METHODS We compared virologic suppression and CD4 cell count recovery over a 2.5 year period after initiation of an ART regimen containing raltegravir or efavirenz using observational data from a US clinical cohort, generalized to the US population of people with diagnosed HIV. We accounted for nonrandom treatment assignment, informative censoring, and nonrandom selection from the US target population using inverse probability weights. RESULTS Of the 2843 patients included in the study, 2476 initiated the efavirenz-containing regimen and 367 initiated the raltegravir-containing regimen. In the weighted intent-to-treat analysis, patients spent an average of 74 (95% confidence interval: 41, 106) additional days alive with a suppressed viral load on the raltegravir regimen than on the efavirenz regimen over the 2.5-year study period. CD4 cell count recovery was also superior under the raltegravir regimen. CONCLUSION Patients receiving raltegravir spent more time alive and suppressed than patients receiving efavirenz, but the probability of viral suppression by 2.5 years after treatment was similar between groups. Optimizing the amount of time spent in a state of viral suppression is important to improve survival among people living with HIV and to reduce onward transmission.
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A longitudinal, HIV care continuum: 10-year restricted mean time in each care continuum stage after enrollment in care, by history of IDU. AIDS 2016; 30:2227-34. [PMID: 27314178 DOI: 10.1097/qad.0000000000001183] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES We present a novel, patient-centric, longitudinal summary of patient progress through the HIV care continuum. Using this new approach, we compare person-time spent alive, in care, on antiretroviral therapy (ART), and virally suppressed among people who inject drugs (PWID) and those who do not (non-IDU). DESIGN Prospective clinical observational cohort study. METHODS We followed ART-naive patients with detectable HIV viral loads who enrolled in the Johns Hopkins HIV Clinical Cohort from enrollment until the occurrence of several care continuum-related milestones, including ART initiation and viral suppression, and until several care continuum-related failures, including loss to clinic and death. We added and subtracted cumulative incidence curves to estimate the proportion of the cohort in each of seven continuum stages across the 10 years following enrollment in clinical care. RESULTS PWID composed 32% of the study sample (n = 1443). Over 10 years following enrollment in care, PWID and non-IDU spent only 23 and 37%, respectively, of person-time in care, on ART, and virally suppressed. PWID lost 8.9 more months of life compared with non-IDU and spent an additional 5.0 months on ART but not virally suppressed, and an additional 5.5 months in care but not on ART. There were not meaningful improvements in the 5-year restricted mean person-time differences comparing PWID to non-IDU across enrollment cohorts (2000-2003, 2004-2007, 2008-2014). CONCLUSION Efforts to increase viral suppression among PWID should focus on increasing ART initiation and improving adherence to therapy.
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