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Chabala C, Wobudeya E, van der Zalm MM, Kapasa M, Raichur P, Mboizi R, Palmer M, Kinikar A, Hissar S, Mulenga V, Mave V, Musoke P, Hesseling AC, McIlleron H, Gibb D, Crook A, Turkova A. Clinical Outcomes in Children With Human Immunodeficiency Virus Treated for Nonsevere Tuberculosis in the SHINE Trial. Clin Infect Dis 2024; 79:70-77. [PMID: 38592950 PMCID: PMC11259218 DOI: 10.1093/cid/ciae193] [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: 12/08/2023] [Revised: 03/23/2024] [Accepted: 04/05/2024] [Indexed: 04/11/2024] Open
Abstract
BACKGROUND Children with human immunodeficiency virus (HIV, CWH) are at high risk of tuberculosis (TB) and face poor outcomes, despite antiretroviral therapy (ART). We evaluated outcomes in CWH and children not living with HIV treated for nonsevere TB in the SHINE trial. METHODS SHINE was a randomized trial that enrolled children aged <16 years with smear-negative, nonsevere TB who were randomized to receive 4 versus 6 months of TB treatment and followed for 72 weeks. We assessed TB relapse/recurrence, mortality, hospitalizations, grade ≥3 adverse events by HIV status, and HIV virological suppression in CWH. RESULTS Of 1204 children enrolled, 127 (11%) were CWH, of similar age (median, 3.6 years; interquartile range, 1.2, 10.3 versus 3.5 years; 1.5, 6.9; P = .07) but more underweight (weight-for-age z score, -2.3; (3.3, -0.8 versus -1.0; -1.8, -0.2; P < .01) and anemic (hemoglobin, 9.5 g/dL; 8.7, 10.9 versus 11.5 g/dL; 10.4, 12.3; P < .01) compared with children without HIV. A total of 68 (54%) CWH were ART-naive; baseline median CD4 count was 719 cells/mm3 (241-1134), and CD4% was 16% (10-26). CWH were more likely to be hospitalized (adjusted odds ratio, 2.4; 1.3-4.6) and to die (adjusted hazard ratio [aHR], 2.6; 95% confidence interval [CI], 1.2 to 5.8). HIV status, age <3 years (aHR, 6.3; 1.5, 27.3), malnutrition (aHR, 6.2; 2.4, 15.9), and hemoglobin <7 g/dL (aHR, 3.8; 1.3,11.5) independently predicted mortality. Among children with available viral load (VL), 45% and 61% CWH had VL <1000 copies/mL at weeks 24 and 48, respectively. There was no difference in the effect of randomized treatment duration (4 versus 6 months) on TB treatment outcomes by HIV status (P for interaction = 0.42). CONCLUSIONS We found no evidence of a difference in TB outcomes between 4 and 6 months of treatment for CWH treated for nonsevere TB. Irrespective of TB treatment duration, CWH had higher rates of mortality and hospitalization than their counterparts without HIV. Clinical Trials Registration. ISRCTN63579542.
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Affiliation(s)
- Chishala Chabala
- Department of Paediatrics, School of Medicine, University of Zambia, Lusaka, Zambia
- Children's Hospital, University Teaching Hospitals, Lusaka, Zambia
- Faculty of Health Sciences, Department of Medicine, Division of Clinical Pharmacology, University of Cape Town, Cape Town, South Africa
| | - Eric Wobudeya
- Mulago Hospital, Makerere University–John Hopkins Hospital Research Collaboration, Kampala, Uganda
| | - Marieke M van der Zalm
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Stellenbosch University, Cape Town, South Africa
| | - Monica Kapasa
- Children's Hospital, University Teaching Hospitals, Lusaka, Zambia
| | - Priyanka Raichur
- Byramjee Jeejeebhoy Medical College, Johns Hopkins University Clinical Research Site, Pune, India
| | - Robert Mboizi
- Mulago Hospital, Makerere University–John Hopkins Hospital Research Collaboration, Kampala, Uganda
| | - Megan Palmer
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Stellenbosch University, Cape Town, South Africa
| | - Aarti Kinikar
- Byramjee Jeejeebhoy Medical College, Johns Hopkins University Clinical Research Site, Pune, India
| | - Syed Hissar
- Indian Council of Medical Research, National Institute for Research in Tuberculosis, Chennai, India
| | - Veronica Mulenga
- Department of Paediatrics, School of Medicine, University of Zambia, Lusaka, Zambia
- Children's Hospital, University Teaching Hospitals, Lusaka, Zambia
| | - Vidya Mave
- Byramjee Jeejeebhoy Medical College, Johns Hopkins University Clinical Research Site, Pune, India
| | - Philippa Musoke
- Mulago Hospital, Makerere University–John Hopkins Hospital Research Collaboration, Kampala, Uganda
| | - Anneke C Hesseling
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Stellenbosch University, Cape Town, South Africa
| | - Helen McIlleron
- Faculty of Health Sciences, Department of Medicine, Division of Clinical Pharmacology, University of Cape Town, Cape Town, South Africa
| | - Diana Gibb
- Institute of Clinical Trials and Methodology, Medical Research Council–Clinical Trials Unit at University College London, London, United Kingdom
| | - Angela Crook
- Institute of Clinical Trials and Methodology, Medical Research Council–Clinical Trials Unit at University College London, London, United Kingdom
| | - Anna Turkova
- Institute of Clinical Trials and Methodology, Medical Research Council–Clinical Trials Unit at University College London, London, United Kingdom
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Cherkos AS, Cranmer LM, Njuguna I, LaCourse SM, Mugo C, Moraa H, Maleche-Obimbo E, Enquobahrie DA, Richardson BA, Wamalwa D, John-Stewart G. Effect of tuberculosis-HIV co-treatment on clinical and growth outcomes among hospitalized children newly initiating antiretroviral therapy. AIDS 2024; 38:579-588. [PMID: 38016160 PMCID: PMC10922257 DOI: 10.1097/qad.0000000000003797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
OBJECTIVE Evaluate effects of tuberculosis (TB)-HIV co-treatment on clinical and growth outcomes in children with HIV (CHIV). DESIGN Longitudinal study among Kenyan hospitalized ART-naive CHIV in the PUSH trial (NCT02063880). METHODS CHIV started ART within 2 weeks of enrollment; Anti-TB therapy was initiated based on clinical and TB diagnostics. Children were followed for 6 months with serial viral load, CD4%, and growth assessments [weight-for-age z -score (WAZ), height-for-age z -score (HAZ), and weight-for-height z -score (WHZ)]. TB-ART treated and ART-only groups were compared at 6 months post-ART for undetectable viral load (<40 c/ml), CD4% change, and growth using generalized linear models, linear regression, and linear mixed-effects models, respectively. RESULT Among 152 CHIV, 40.8% (62) were TB-ART treated. Pre-ART, median age was 2.0 years and growth was significantly lower, and viral load significantly higher in the TB-ART versus ART-only group. After 6 months on ART, 37.2% of CHIV had undetectable viral load and median CD4% increased by 7.2% (IQR 2.0-11.6%) with no difference between groups. The TB-ART group had lower WAZ and HAZ over 6 month follow-up [WAZ -0.81 (95% CI: -1.23 to -0.38], P < 0.001; HAZ -0.15 (95% CI: -0.29 to -0.01), P = 0.030] and greater rate of WAZ increase in analyses unadjusted and adjusted for baseline WAZ [unadjusted 0.62 (95% CI: 0.18-1.07, P = 0.006) or adjusted 0.58 (95% CI: 0.12-1.03, P = 0.013)]. CONCLUSION TB-HIV co-treatment did not adversely affect early viral suppression and CD4 + recovery post-ART. TB-ART-treated CHIV had more rapid growth reconstitution, but growth deficits persisted, suggesting need for continued growth monitoring.
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Affiliation(s)
- Ashenafi S Cherkos
- Department of Population and Community Health, School of Public Health, University of North Texas Health Science Center, Fort Worth, TX
| | - Lisa M Cranmer
- Department of Pediatrics, Emory School of Medicine
- Department of Epidemiology, Emory Rollins School of Public Health
- Children's Healthcare of Atlanta, Atlanta, GA
| | - Irene Njuguna
- Department of Global Health, School of Public Health, University of Washington, Seattle, WA, USA
- Medical Research Department, Kenyatta National Hospital, Nairobi, Kenya
| | - Sylvia M LaCourse
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA
- Department of Global Health, School of Public Health, University of Washington, Seattle, WA, USA
- Department of Medicine, Division of Allergy and Infectious Diseases, University of Washington, Seattle, WA, USA
| | - Cyrus Mugo
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA
| | - Hellen Moraa
- Department of Pediatrics and Child Health, University of Nairobi, Kenya
| | | | - Daniel A Enquobahrie
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA
| | - Barbra A Richardson
- Department of Global Health, School of Public Health, University of Washington, Seattle, WA, USA
- Department of Biostatistics, School of Public Health
| | - Dalton Wamalwa
- Department of Pediatrics and Child Health, University of Nairobi, Kenya
| | - Grace John-Stewart
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA
- Department of Global Health, School of Public Health, University of Washington, Seattle, WA, USA
- Medical Research Department, Kenyatta National Hospital, Nairobi, Kenya
- Department of Pediatrics, University of Washington, Seattle, WA, USA
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Owachi D, Anguzu G, Kigozi J, Cox J, Castelnuovo B, Semitala F, Meya D. Virologic suppression and associated factors in HIV infected Ugandan female sex workers: a cross-sectional study. Afr Health Sci 2021; 21:603-613. [PMID: 34795713 PMCID: PMC8568220 DOI: 10.4314/ahs.v21i2.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Key populations have disproportionately higher HIV prevalence rates than the general population. OBJECTIVE To determine the level of virologic suppression and associated factors in female Commercial Sex Workers (CSW) who completed six months of ART and compare with the female general population (GP). METHODS Clinical records of CSW and GPs who initiated ART between December 2014 to December 2016 from seven urban clinics were analyzed to determine virologic suppression (viral load < 1000 copies/ml) and associated factors. RESULTS We identified 218 CSW and 182 female GPs. CSW had median age of 28 (IQR 25-31) vs 31 (IQR 26-37); median baseline CD4 446 (IQR 308-696) vs 352 (IQR 164-493) cells/microL; and optimal ART adherence levels at 70.6% vs 92.8% respectively, compared to GP. Virologic suppression in CSW and GPs was 85.7% and 89.6% respectively, P=0.28. Overall virologic suppression in CSW was 55% while Retention in care after 6 months of ART was 77.5%. Immediate ART initiation (<2weeks) and tuberculosis independently predicted virologic suppression in CSW with adjusted odds ratios 0.07 (95% C.I. 0.01-0.55, P=0.01) and 0.09 (95% C.I. 0.01-0.96, P=0.046) respectively. CONCLUSION Virologic suppression in both groups is similar, however, intensified follow-up is needed to improve treatment outcomes.
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Shah I, Mullanfiroze K. Profile of HIV and multidrug-resistant tuberculosis in orphans living in orphanages in Mumbai, Maharashtra, India. Indian J Sex Transm Dis AIDS 2020; 41:17-21. [PMID: 33062976 PMCID: PMC7529174 DOI: 10.4103/ijstd.ijstd_108_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Revised: 08/06/2014] [Accepted: 12/22/2019] [Indexed: 12/02/2022] Open
Abstract
Aims: The aim was to study the clinical profile of HIV-infected orphans living in orphanages in Mumbai, Maharashtra, India and determine the prevalence of multidrug-resistant (MDR) tuberculosis (TB) in them. Materials and Methods: Seventy-four HIV-infected orphans from two orphanages (orphanage A taking antiretroviral therapy [ART] as per our prescription, whereas orphanage B taking ART from an ART center) were included in the study. Detailed history and examination was carried out in each patient. CDC class prior to ART, age at presentation, CD4 count/percent, opportunistic infections (OIs) prior to and after ART, co-infections with hepatitis B virus (HBV) and hepatitis C virus, growth, ART regimes, and treatment failure were noted in each patient. Results: Of 18 HIV-infected children in orphanage A, boys constituted 11 (61.1%) and girls were 7 (38.9%), whereas orphanage B had all girls (n = 56). TB was the most common OI in orphanage A prior to the start of ART seen in 15 (83.3%), whereas it was seen in 18 (32.1%) in orphanage B. In contrast, TB was seen in eight (14.2%) orphans in orphanage B after the start of ART, of which two (3.5%) were MDR-TB and another two (3.5%) were suspected to have MDR-TB, whereas one (5.5%) in orphanage A had MDR-TB. Age of presentation was 4.7 ± 3.2 years for orphanage A and 12.9 ± 2.5 years for orphanage B. On ART, malnutrition was seen in one child in orphanage A as compared to nine in orphanage B. ART was started at 6.1 ± 3.1 years in orphanage A and 10.1 ± 2.8 years in orphanage B. Zidovudine, lamivudine (3TC), and nevirapine (NVP)/efavirenz (EFV) constituted the baseline ART regimen in 13 (72.1%) orphans in orphanage A, whereas stavudine (d4T) + 3TC + NVP constituted the baseline ART in 17 (30.3%) orphans in orphanage B. Three (5.3%) orphans had HBV co-infection in orphanage B. Conclusion: Children in orphanage A came to us at a younger age, in more advanced stage of disease, and were more malnourished. Orphanage A was started on ART earlier in life. The prevalence of TB was higher in orphanage A prior to ART. MDR-TB was seen in both orphanages, with prevalence ranging from 3.5% to 5.5%.
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Affiliation(s)
- Ira Shah
- Pediatric HIV Clinic, Department of Pediatrics, B. J. Wadia Hospital for Children, Mumbai, Maharashtra, India
| | - Khushnuma Mullanfiroze
- Pediatric HIV Clinic, Department of Pediatrics, B. J. Wadia Hospital for Children, Mumbai, Maharashtra, India
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Jadhav M, Khan T, Bhavsar C, Momin M, Omri A. Novel therapeutic approaches for targeting TB and HIV reservoirs prevailing in lungs. Expert Opin Drug Deliv 2019; 16:687-699. [PMID: 31111766 DOI: 10.1080/17425247.2019.1621287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
INTRODUCTION Coinfection with Mycobacterium tuberculosis is the leading cause of death in HIV positive patients. In 2017, about 0.3 million HIV positive people died of tuberculosis. There is high load of mycobacteria and HIV in the lungs and eradication of the same is vital for patient survival. AREAS COVERED This review focuses on the pathogenesis of HIV-TB coinfection and the current management approaches of this coinfection. It presents a detailed discussion of current investigations in novel drug delivery systems for effective targeting of HIV-TB lung reservoirs, especially via pulmonary drug delivery. Additionally, emphasis is given to the need of HIV-TB cotargeting, an unmet need in management of HIV-TB coinfection. EXPERT OPINION To achieve the goal of complete eradication of HIV-TB reservoirs in lungs requires focused research strategies to be undertaken in the area of pulmonary delivery systems. These endeavors could eventually lead to better patient compliance and improved treatment outcomes. The treatment regimen of HIV-TB coinfection is associated with a major drawback of low therapeutic concentration of drugs in lungs. Nanotechnology provides an excellent platform for delivery of anti-TB and anti-HIV drugs via the pulmonary route thereby serving as a viable and effective means of managing the mycobacterial and HIV reservoirs in the lungs.
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Affiliation(s)
- Mrunal Jadhav
- a Department of pharmaceutical chemistry and QA , SVKM's Dr. Bhanuben nanavati college of pharmacy , Mumbai , India
| | - Tabassum Khan
- a Department of pharmaceutical chemistry and QA , SVKM's Dr. Bhanuben nanavati college of pharmacy , Mumbai , India
| | - Chintan Bhavsar
- a Department of pharmaceutical chemistry and QA , SVKM's Dr. Bhanuben nanavati college of pharmacy , Mumbai , India
| | - Munira Momin
- a Department of pharmaceutical chemistry and QA , SVKM's Dr. Bhanuben nanavati college of pharmacy , Mumbai , India
| | - Abdelwahab Omri
- b Department of chemistry & biochemistry , Laurentian university , Sudbury , ON , Canada
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Humphrey JM, Genberg BL, Keter A, Musick B, Apondi E, Gardner A, Hogan JW, Wools‐Kaloustian K. Viral suppression among children and their caregivers living with HIV in western Kenya. J Int AIDS Soc 2019; 22:e25272. [PMID: 30983148 PMCID: PMC6462809 DOI: 10.1002/jia2.25272] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 03/12/2019] [Indexed: 11/08/2022] Open
Abstract
INTRODUCTION Despite the central role of caregivers in managing HIV treatment for children living with HIV, viral suppression within caregiver-child dyads in which both members are living with HIV is not well described. METHODS We conducted a retrospective analysis of children living with HIV <15 years of age and their caregivers living with HIV attending HIV clinics affiliated with the Academic Model Providing Access to Healthcare (AMPATH) in Kenya between 2015 and 2017. To be included in the analysis, children and caregivers must have had ≥1 viral load (VL) during the study period while receiving antiretroviral therapy (ART) for ≥6 months, and the date of the caregiver's VL must have occurred ±90 days from the date of the child's VL. The characteristics of children, caregivers and dyads were descriptively summarized. Multivariable logistic regression was used to estimate the odds of viral non-suppression (≥ 1000 copies/mL) in children, adjusting for caregiver and child characteristics. RESULTS Of 7667 children who received care at AMPATH during the study period, 1698 were linked to a caregiver living with HIV and included as caregiver-child dyads. For caregivers, 94% were mothers, median age at ART initiation 32.8 years, median CD4 count at ART initiation 164 cells/mm3 and 23% were not virally suppressed. For children, 52% were female, median age at ART initiation 4.2 years, median CD4 values at ART initiation were 15% (age < 5 years) and 396 cells/mm3 (age ≥ 5 years), and 38% were not virally suppressed. In the multivariable model, children were found more likely to not be virally suppressed if their caregivers were not suppressed compared to children with suppressed caregivers (aOR = 2.40, 95% CI: 1.86 to 3.10). Other characteristics associated with child viral non-suppression included caregiver ART regimen change prior to the VL, caregiver receipt of a non-NNRTI-based regimen at the time of the VL, younger child age at ART initiation and child tuberculosis treatment at the time of the VL. CONCLUSIONS Children were at higher risk of viral non-suppression if their caregivers were not virally suppressed compared to children with suppressed caregivers. A child's viral suppression status should be closely monitored if his or her caregiver is not suppressed.
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Affiliation(s)
| | - Becky L Genberg
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMDUSA
| | - Alfred Keter
- Academic Model Providing Access to Healthcare (AMPATH)EldoretKenya
| | - Beverly Musick
- Department of BiostatisticsIndiana UniversityIndianapolisINUSA
| | - Edith Apondi
- Department of PaediatricsMoi Teaching and Referral HospitalEldoretKenya
| | - Adrian Gardner
- Department of MedicineIndiana UniversityIndianapolisINUSA
| | - Joseph W Hogan
- Department of BiostatisticsBrown UniversityProvidenceRIUSA
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Weld ED, Dooley KE. State-of-the-Art Review of HIV-TB Coinfection in Special Populations. Clin Pharmacol Ther 2018; 104:1098-1109. [PMID: 30137652 DOI: 10.1002/cpt.1221] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 08/14/2018] [Indexed: 12/17/2022]
Abstract
Children and pregnant and postpartum women experience an undue burden of HIV-associated tuberculosis (TB), but data are lacking on key aspects of their complex management. Often excluded from clinical trials, they are left with limited options for HIV-TB cotreatment. This review will focus on pharmacologic aspects of the treatment of HIV-TB coinfection in the special populations of children and pregnant and postpartum women. Pharmacogenomic considerations, rational dosing, drug-drug interactions, safety, immune reconstitution inflammatory syndrome, and ethical and policy aspects of the inclusion of special populations in research will be surveyed. Considerations related to the treatment of both HIV-associated TB disease and HIV-associated latent TB infection will be summarized. Relevant knowledge gaps and research priorities in special populations will be outlined.
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Affiliation(s)
- Ethel D Weld
- Division of Clinical Pharmacology, Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Kelly E Dooley
- Division of Clinical Pharmacology, Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Abstract
BACKGROUND Tuberculosis (TB) is the major cause of mortality in HIV-infected children globally. Current guidelines about the management of antiretroviral therapy in children with TB are based on a limited number of nonrandomized studies involving small numbers of participants. The aim of the study was to systematically retrieve and critically appraise available evidence on the efficacy and safety of different antiretroviral regimens in children with HIV infection who are receiving treatment for active TB. METHODS We conducted a systematic review of the literature according to Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. Records were retrieved through March 2016 from Medline, Embase and manual screening of key conference proceedings. Four specific research questions assessing available treatment options were defined. RESULTS Although 4 independent searches were conducted (1 for each Population, Intervention, Comparator, Outcomes question), results were elaborated and interpreted together because of significant overlap among the retrieved records. Six observational studies were selected for qualitative synthesis while meta-analysis could not be performed. CONCLUSION Evidence for optimal treatment options for HIV/TB coinfected children is limited. As the global community strives to reach the fast-track HIV treatment targets and eliminate childhood TB deaths, it must ensure that coinfected children are included in key treatment studies and expand this neglected but crucial area of research.
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Zanoni BC, Sibaya T, Cairns C, Lammert S, Haberer JE. Higher retention and viral suppression with adolescent-focused HIV clinic in South Africa. PLoS One 2017; 12:e0190260. [PMID: 29287088 PMCID: PMC5747481 DOI: 10.1371/journal.pone.0190260] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 11/19/2017] [Indexed: 12/26/2022] Open
Abstract
Objective To determine retention in care and virologic suppression among HIV-infected adolescents and young adults attending an adolescent-friendly clinic compared to those attending the standard pediatric clinic at the same site. Design Retrospective cohort analysis. Setting Government supported, hospital-based antiretroviral clinic in KwaZulu-Natal, South Africa. Participants Two hundred forty-one perinatally HIV-infected adolescents and young adults aged 13 to 24 years attending an adolescent-friendly clinic or the standard pediatric clinic from April 2007 to November 2015. Intervention Attendance in an adolescent-friendly clinic compared to a standard pediatric clinic. Outcomes measures Retention in care defined as one clinic visit or pharmacy refill in the prior 6 months; HIV-1 viral suppression defined as < 400 copies/ml. Results Overall, among 241 adolescents and young adults, retention was 89% (214/241) and viral suppression was 81% (196/241). Retention was higher among those attending adolescent clinic (95%) versus standard pediatric clinic (85%; OR 3.7; 95% confidence interval (CI) 1.2–11.1; p = 0.018). Multivariable logistic regression adjusted for age at ART initiation, gender, pre-ART CD4 count, months on ART, and tuberculosis history indicated higher odds of retention in adolescents and young adults attending adolescent compared to standard clinic (AOR = 8.5; 95% CI 2.3–32.4; p = 0.002). Viral suppression was higher among adolescents and young adults attending adolescent (91%) versus standard pediatric clinic (80%; OR 2.5; 95% CI 1.1–5.8; p = 0.028). A similar multivariable logistic regression model indicated higher odds of viral suppression in adolescents and young adults attending adolescent versus standard pediatric clinic (AOR = 3.8; 95% CI 1.5–9.7; p = 0.005). Conclusion Adolescents and young adults attending an adolescent-friendly clinic had higher retention in care and viral suppression compared to adolescents attending the standard pediatric clinic. Further studies are needed to prospectively assess the impact of adolescent-friendly services on these outcomes.
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Affiliation(s)
- Brian C. Zanoni
- Massachusetts General Hospital, Boston, Massachusetts, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
- * E-mail:
| | - Thobekile Sibaya
- University of KwaZulu-Natal Nelson Mandela School of Medicine, Durban, South Africa
| | | | - Sara Lammert
- University of Minnesota, Minneapolis, Minnesota, United States of America
| | - Jessica E. Haberer
- Massachusetts General Hospital, Boston, Massachusetts, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
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Getting to 90-90-90 targets for children and adolescents HIV in low and concentrated epidemics: bottlenecks, opportunities, and solutions. Curr Opin HIV AIDS 2016; 11 Suppl 1:S1-5. [PMID: 26945141 PMCID: PMC4787107 DOI: 10.1097/coh.0000000000000264] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Tuberculosis: opportunities and challenges for the 90-90-90 targets in HIV-infected children. J Int AIDS Soc 2015; 18:20236. [PMID: 26639110 PMCID: PMC4670842 DOI: 10.7448/ias.18.7.20236] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Revised: 09/09/2015] [Accepted: 09/25/2015] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION In 2014 the Joint United Nations Programme on HIV/AIDS defined the ambitious 90-90-90 targets for 2020, in which 90% of people living with HIV must be diagnosed, 90% of those diagnosed should be on sustained therapy and 90% of those on therapy should have an undetectable viral load. Children are considered to be a key focus population for these targets. This review will highlight key components of the epidemiology, prevention and treatment of tuberculosis (TB) in HIV-infected children in the era of increasing access to antiretroviral therapy (ART) and their relation to the 90-90-90 targets. DISCUSSION The majority of HIV-infected children live in countries with a high burden of TB. In settings with a high burden of both diseases such as in sub-Saharan Africa, up to 57% of children diagnosed with and treated for TB are HIV-infected. TB results in substantial morbidity and mortality in HIV-infected children, so preventing TB and optimizing its treatment in HIV-infected children will be important to ensuring good long-term outcomes. Prevention of TB can be achieved by increasing access to ART to both children and adults, and appropriate provision of isoniazid preventative therapy. Co-treatment of HIV and TB is complicated by drug-drug interactions particularly due to the use of rifampicin; these may compromise virologic outcomes if appropriate corrective actions are not taken. There remain substantial operational challenges, and improved integration of paediatric TB and HIV services, including with antenatal and routine under-five care, is an important priority. CONCLUSIONS TB may be an important barrier to achievement of the 90-90-90 targets, but specific attention to TB care in HIV-infected children may provide important opportunities to enhance the care of both TB and HIV in children.
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Patching the gaps towards the 90-90-90 targets: outcomes of Nigerian children receiving antiretroviral treatment who are co-infected with tuberculosis. J Int AIDS Soc 2015; 18:20251. [PMID: 26639112 PMCID: PMC4670833 DOI: 10.7448/ias.18.7.20251] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 09/08/2015] [Accepted: 09/25/2015] [Indexed: 01/25/2023] Open
Abstract
INTRODUCTION Nigeria has a high burden of children living with HIV and tuberculosis (TB). This article examines the magnitude of TB among children receiving antiretroviral treatment (ART), compares their ART outcomes with their non-TB counterparts and argues that addressing TB among children on ART is critical for achieving the 90-90-90 targets. METHODS This was a facility-based, retrospective analysis of medical records of children aged <15 years who were newly initiated on ART between 2011 and 2012. Structured tools were used to collect data. STATA software was used to perform descriptive, survival and multivariate analyses. RESULTS A total of 1142 children with a median age of 3.5 years from 20 selected facilities were followed for 24 months. Of these, 95.8% were assessed for TB at ART initiation and 14.7% had TB. Children on ART were more likely to have TB if they were aged 5 years or older (p<0.01) and had delayed ART initiation (p<0.05). The cotrimoxazole and isoniazid prophylaxes were provided to 87.9 and 0.8% of children, respectively. The rate of new TB cases was 3 (2.2-4.0) per 100 person-years at six months and declined to 0.2 (0.06-1.4) per 100 person-years at 24 months. TB infection [adjusted hazard ratio (aHR): 4.3; 2.3-7.9], malnutrition (aHR: 5.1; 2.6-9.8), delayed ART initiation (aHR: 3.2; 1.5-6.7) and age less than 1 year at ART initiation (aHR: 4.0; 1.4-12.0) were associated with death. Additionally, patients with TB (aHR: 1.3; 1.1-1.6) and children below the age of 1 at ART initiation (aHR: 2.9; 1.7-5.2) were more likely to be lost to follow-up (LFU). CONCLUSIONS Children on ART with TB are less likely to survive and more likely to be LFU. These risks, along with low isoniazid uptake and delayed ART initiation, present a serious challenge to achieving the 90-90-90 targets and underscore an urgent need for inclusion of childhood TB/HIV in global plans and reporting mechanisms.
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Lancella L, Galli L, Chiappini E, Montagnani C, Gabiano C, Garazzino S, Principi N, Tadolini M, Matteelli A, Battista Migliori G, Villani A, de Martino M, Esposito S. Recommendations Concerning the Therapeutic Approach to Immunocompromised Children With Tuberculosis. Clin Ther 2015; 38:180-90. [PMID: 26548321 DOI: 10.1016/j.clinthera.2015.10.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 10/07/2015] [Accepted: 10/09/2015] [Indexed: 11/15/2022]
Abstract
PURPOSE This article describes the recommendations of a group of scientific societies concerning the therapeutic approach to immunocompromised children with tuberculosis (TB). METHODS Using the Consensus Conference method, relevant publications in English were identified by a systematic review of MEDLINE and the Cochrane Database of Systematic Reviews from their inception until December 31, 2014. FINDINGS On the basis of their clinical experience and the published evidence, the group of experts concluded that, although immunosuppressed subjects are at greater risk of developing TB, none of the signs or symptoms is sensitive or specific enough to enable a diagnosis. Immunocompromised patients are at greater risk of developing extrapulmonary forms of TB, especially if they are adolescents, whereas pulmonary forms are more prevalent among younger patients. When TB is suspected, a combination of skin and immunologic tests and other clinical, radiologic, and microbiologic examinations can be used to assess the risk of infection or disease. If the TB diagnosis is confirmed, immunocompromised children should be treated by using a standard regimen with a minimum of 4 drugs for at least 9 to 12 months, during which the tolerability of the drugs and their interactions should be carefully evaluated. IMPLICATIONS It is difficult to diagnose and treat TB in immunocompromised children. Thus, all pediatric patients undergoing immunosuppressive therapy who develop TB should be diagnosed and treated at a TB reference center, which should also be responsible for the recommended follow-up.
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Affiliation(s)
- Laura Lancella
- Unit of General Pediatrics and Pediatric Infectious Diseases, IRCCS Bambino Gesù Hospital, Rome, Italy
| | - Luisa Galli
- Pediatric Clinic, Meyer Hospital, University of Florence, Florence, Italy
| | - Elena Chiappini
- Pediatric Clinic, Meyer Hospital, University of Florence, Florence, Italy
| | | | - Clara Gabiano
- Pediatric Infectious Diseases Unit, Regina Margherita Hospital, University of Turin, Turin, Italy
| | - Silvia Garazzino
- Pediatric Infectious Diseases Unit, Regina Margherita Hospital, University of Turin, Turin, Italy
| | - Nicola Principi
- Pediatric Highly Intensive Care Unit, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Marina Tadolini
- Section of Infectious Diseases, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Alberto Matteelli
- University Division of Infectious and Tropical Diseases, University of Brescia, Brescia, Italy
| | - Giovanni Battista Migliori
- World Health Organization Collaborating Centre for Tuberculosis and Lung Diseases, Fondazione S. Maugeri, Care and Research Institute, Tradate, Italy
| | - Alberto Villani
- Unit of General Pediatrics and Pediatric Infectious Diseases, IRCCS Bambino Gesù Hospital, Rome, Italy
| | | | - Susanna Esposito
- Pediatric Highly Intensive Care Unit, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
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Coovadia A, Abrams EJ, Strehlau R, Shiau S, Pinillos F, Martens L, Patel F, Hunt G, Tsai WY, Kuhn L. Efavirenz-Based Antiretroviral Therapy Among Nevirapine-Exposed HIV-Infected Children in South Africa: A Randomized Clinical Trial. JAMA 2015; 314:1808-17. [PMID: 26529159 PMCID: PMC4655876 DOI: 10.1001/jama.2015.13631] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
IMPORTANCE Advantages of using efavirenz as part of treatment for children infected with human immunodeficiency virus (HIV) include once-daily dosing, simplification of co-treatment for tuberculosis, preservation of ritonavir-boosted lopinavir for second-line treatment, and harmonization of adult and pediatric treatment regimens. However, there have been concerns about possible reduced viral efficacy of efavirenz in children exposed to nevirapine for prevention of mother-to-child transmission. OBJECTIVE To evaluate whether nevirapine-exposed children achieving initial viral suppression with ritonavir-boosted lopinavir-based therapy can transition to efavirenz-based therapy without risk of viral failure. DESIGN, SETTING, AND PARTICIPANTS Randomized, open-label noninferiority trial conducted at Rahima Moosa Mother and Child Hospital, Johannesburg, South Africa, from June 2010 to December 2013, enrolling 300 HIV-infected children exposed to nevirapine for prevention of mother-to-child transmission who were aged 3 years or older and had plasma HIV RNA of less than 50 copies/mL during ritonavir-boosted lopinavir-based therapy; 298 were randomized and 292 (98%) were followed up to 48 weeks after randomization. INTERVENTIONS Participants were randomly assigned to switch to efavirenz-based therapy (n = 150) or continue ritonavir-boosted lopinavir-based therapy (n = 148). MAIN OUTCOMES AND MEASURES Risk difference between groups in (1) viral rebound (ie, ≥1 HIV RNA measurement of >50 copies/mL) and (2) viral failure (ie, confirmed HIV RNA >1000 copies/mL) with a noninferiority bound of -0.10. Immunologic and clinical responses were secondary end points. RESULTS The Kaplan-Meier probability of viral rebound by 48 weeks was 0.176 (n = 26) in the efavirenz group and 0.284 (n = 42) in the ritonavir-boosted lopinavir group. Probabilities of viral failure were 0.027 (n = 4) in the efavirenz group and 0.020 (n = 3) in the ritonavir-boosted lopinavir group. The risk difference for viral rebound was 0.107 (1-sided 95% CI, 0.028 to ∞) and for viral failure was -0.007 (1-sided 95% CI, -0.036 to ∞). We rejected the null hypothesis that efavirenz is inferior to ritonavir-boosted lopinavir (P < .001) for both end points. By 48 weeks, CD4 cell percentage was 2.88% (95% CI, 1.26%-4.49%) higher in the efavirenz group than in the ritonavir-boosted lopinavir group. CONCLUSIONS AND RELEVANCE Among HIV-infected children exposed to nevirapine for prevention of mother-to-child transmission and with initial viral suppression with ritonavir-boosted lopinavir-based therapy, switching to efavirenz-based therapy compared with continuing ritonavir-boosted lopinavir-based therapy did not result in significantly higher rates of viral rebound or viral failure. This therapeutic approach may offer advantages in children such as these. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT01146873.
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Affiliation(s)
- Ashraf Coovadia
- Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Elaine J. Abrams
- ICAP, Mailman School of Public Health, Columbia University, New York, NY
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY
| | - Renate Strehlau
- Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Stephanie Shiau
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY
- Gertrude H. Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, NY
| | - Francoise Pinillos
- Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Leigh Martens
- Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Faeezah Patel
- Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Gillian Hunt
- Center for HIV and STIs, National Institute for Communicable Diseases, Johannesburg, South Africa
| | - Wei-Yann Tsai
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY
| | - Louise Kuhn
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY
- Gertrude H. Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, NY
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Lenjisa JL, Wega SS, Lema TB, Ayana GA. Outcomes of highly active antiretroviral therapy and its predictors: a cohort study focusing on tuberculosis co-infection in South West Ethiopia. BMC Res Notes 2015; 8:446. [PMID: 26374623 PMCID: PMC4572442 DOI: 10.1186/s13104-015-1417-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Accepted: 09/07/2015] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND In this study, we hypothesized that TB co-infection independently increases the risk of poor treatment outcomes in such patients even if they are on antiretroviral therapy (ART). Therefore, this study was aimed at investigating this hypothesis among cohort of adult PLWHs in South West Ethiopia. METHODOLOGY Cohort study comparing the immunologic and clinical outcomes of 130 HIV/TB co-infected and 520 only HIV patients starting ART was enrolled. Chi square and student t test were used to compare outcome variables and logistic regression was used to assess the effect of TB on treatment failure. RESULTS In this study, TB co-infection didn't increase immunologic failure even in univariate analysis at both 6 [OR, 1.10 (0.59-1.69), P = 0.85] and 12 months [OR, 1.06 (0.58-1.93), P = 0.89] of ART initiation. However, it increased the risk of clinical failure at both 6 [Adjusted Odd Ratio (AOR), 2.90 (1.41-6.09), P = 0.028] and 12 months [AOR, 2.93 (1.41-6.09), P = 0.004] of ART initiation. CONCLUSION This study showed that TB co-infection didn't adversely affect the immunologic outcomes, weight and hemoglobin responses even though it increased the risk of clinical failure nearly three times. Therefore, beside the concern given for TB prevention and treatment, several patient and policy related factors need to be addressed to maximally benefit from highly active antiretroviral therapy rollout in resource limited settings.
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Affiliation(s)
- Jimma Likisa Lenjisa
- Pharmacy Department, College of Medicine and Health Sciences, Ambo University, Ambo, Ethiopia.
| | - Sultan Suleman Wega
- Pharmacy Department, College of Public Health and Medical Sciences, Jimma University, Jimma, Ethiopia.
| | - Tefera Belachew Lema
- Population and Family Health Department, College of Public Health and Medical Sciences, Jimma University, Jimma, Ethiopia.
| | - Gemeda Abebe Ayana
- Medical Laboratory and Pathology Department, College of Public Health and Medical Sciences, Jimma University, Jimma, Ethiopia.
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Jenabian MA, Costiniuk CT, Mboumba Bouassa RS, Chapdeleine Mekue Mouafo L, Brogan TV, Bélec L. Tackling virological failure in HIV-infected children living in Africa. Expert Rev Anti Infect Ther 2015. [PMID: 26204960 DOI: 10.1586/14787210.2015.1068117] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Drug resistance in HIV-infected children is one of the main contributors to antiretroviral treatment (ART) failure, especially in developing countries. Sub-Saharan Africa has the largest burden of pediatric HIV infection in the world. Herein, we systematically review the current status of ART failure in HIV-infected African children. A literature search for publications within 10 years was performed through PubMed to identify relevant articles. Included studies examined the impact of timing of ART initiation, criteria for diagnosing therapeutic failure, predictors of therapeutic failure, management strategies and future directions to minimize failure rates in these pediatric populations. Although there is scale-up of ART programs in Africa, novel therapeutic and management strategies are needed to overcome current challenges.
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Affiliation(s)
- Mohammad-Ali Jenabian
- a 1 Département des Sciences Biologiques et Centre de recherche BioMed, Université du Québec à Montréal (UQAM), Montreal, QC, Canada
| | - Cecilia T Costiniuk
- b 2 Chronic Viral Illnesses Service and Division of Infectious Diseases, McGill University Health Centre, Montreal, QC, Canada
| | - Ralph-Sydney Mboumba Bouassa
- c 3 Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Laboratoire de Virologie, and Faculté de Médecine Paris Descartes, Université Paris V, Paris Sorbonne Cité, Paris, France
| | - Linda Chapdeleine Mekue Mouafo
- c 3 Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Laboratoire de Virologie, and Faculté de Médecine Paris Descartes, Université Paris V, Paris Sorbonne Cité, Paris, France
| | - Thomas V Brogan
- d 4 Seattle Children's Hospital, University of Washington School of Medicine, Seattle, WA, USA
| | - Laurent Bélec
- c 3 Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Laboratoire de Virologie, and Faculté de Médecine Paris Descartes, Université Paris V, Paris Sorbonne Cité, Paris, France
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Rossouw TM, Feucht UD, Melikian G, van Dyk G, Thomas W, du Plessis NM, Avenant T. Factors Associated with the Development of Drug Resistance Mutations in HIV-1 Infected Children Failing Protease Inhibitor-Based Antiretroviral Therapy in South Africa. PLoS One 2015. [PMID: 26196688 PMCID: PMC4510388 DOI: 10.1371/journal.pone.0133452] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
OBJECTIVE Limited data are available from the developing world on antiretroviral drug resistance in HIV-1 infected children failing protease inhibitor-based antiretroviral therapy, especially in the context of a high tuberculosis burden. We describe the proportion of children with drug resistance mutations after failed protease inhibitor-based antiretroviral therapy as well as associated factors. METHODS Data from children initiated on protease inhibitor-based antiretroviral therapy with subsequent virological failure referred for genotypic drug resistance testing between 2008 and 2012 were retrospectively analysed. Frequencies of drug resistance mutations were determined and associations with these mutations identified through logistic regression analysis. RESULTS The study included 65 young children (median age 16.8 months [IQR 7.8; 23.3]) with mostly advanced clinical disease (88.5% WHO stage 3 or 4 disease), severe malnutrition (median weight-for-age Z-score -2.4 [IQR -3.7;-1.5]; median height-for-age Z-score -3.1 [IQR -4.3;-2.4]), high baseline HIV viral load (median 6.04 log10, IQR 5.34;6.47) and frequent tuberculosis co-infection (66%) at antiretroviral therapy initiation. Major protease inhibitor mutations were found in 49% of children and associated with low weight-for-age and height-for-age (p = 0.039; p = 0.05); longer duration of protease inhibitor regimens and virological failure (p = 0.001; p = 0.005); unsuppressed HIV viral load at 12 months of antiretroviral therapy (p = 0.001); tuberculosis treatment at antiretroviral therapy initiation (p = 0.048) and use of ritonavir as single protease inhibitor (p = 0.038). On multivariate analysis, cumulative months on protease inhibitor regimens and use of ritonavir as single protease inhibitor remained significant (p = 0.008; p = 0.033). CONCLUSION Major protease inhibitor resistance mutations were common in this study of HIV-1-infected children, with the timing of tuberculosis treatment and subsequent protease inhibitor dosing strategy proving to be important associated factors. There is an urgent need for safe, effective, and practicable HIV/tuberculosis co-treatment in young children and the optimal timing of treatment, optimal dosing of antiretroviral therapy, and alternative tuberculosis treatment strategies should be urgently addressed.
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Affiliation(s)
- Theresa M. Rossouw
- Institute for Cellular and Molecular Medicine, Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
- * E-mail:
| | - Ute D. Feucht
- Department of Paediatrics, Kalafong Provincial Tertiary Hospital, University of Pretoria, Pretoria, South Africa
| | - George Melikian
- AIDS Healthcare Foundation, Los Angeles, CA, United States of America
| | - Gisela van Dyk
- Institute for Cellular and Molecular Medicine, Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Winifred Thomas
- Department of Paediatrics, Kalafong Provincial Tertiary Hospital, University of Pretoria, Pretoria, South Africa
| | - Nicolette M. du Plessis
- Department of Paediatrics, Kalafong Provincial Tertiary Hospital, University of Pretoria, Pretoria, South Africa
| | - Theunis Avenant
- Department of Paediatrics, Kalafong Provincial Tertiary Hospital, University of Pretoria, Pretoria, South Africa
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Regazzi M, Carvalho AC, Villani P, Matteelli A. Treatment optimization in patients co-infected with HIV and Mycobacterium tuberculosis infections: focus on drug-drug interactions with rifamycins. Clin Pharmacokinet 2015; 53:489-507. [PMID: 24777631 DOI: 10.1007/s40262-014-0144-3] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Tuberculosis (TB) and HIV continue to be two of the major causes of morbidity and mortality in the world, and together are responsible for the death of millions of people every year. There is overwhelming evidence to recommend that patients with TB and HIV co-infection should receive concomitant therapy of both conditions regardless of the CD4 cell count level. The principles for treatment of active TB disease in HIV-infected patients are the same as in HIV-uninfected patients. However, concomitant treatment of both conditions is complex, mainly due to significant drug-drug interactions between TB and HIV drugs. Rifamycins are potent inducers of the cytochrome P450 (CYP) pathway, leading to reduced (frequently sub-therapeutic) plasma concentrations of some classes of antiretrovirals. Rifampicin is also an inducer of the uridine diphosphate glucuronosyltransferase (UGT) 1A1 enzymes and interferes with drugs, such as integrase inhibitors, that are metabolized by this metabolic pathway. Rifampicin is also an inducer of the adenosine triphosphate (ATP) binding cassette transporter P-glycoprotein, which may also lead to decreased bioavailability of concomitantly administered antiretrovirals. On the other side, rifabutin concentrations are affected by the antiretrovirals that induce or inhibit CYP enzymes. In this review, the pharmacokinetic interactions, and the relevant clinical consequences, of the rifamycins-rifampicin, rifabutin, and rifapentine-with antiretroviral drugs are reviewed and discussed. A rifampicin-based antitubercular regimen and an efavirenz-based antiretroviral regimen is the first choice for treatment of TB/HIV co-infected patients. Rifabutin is the preferred rifamycin to use in HIV-infected patients on a protease inhibitor-based regimen; however, the dose of rifabutin needs to be reduced to 150 mg daily. More information is required to select optimal treatment regimens for TB/HIV co-infected patients whenever efavirenz cannot be used and rifabutin is not available. Despite significant pharmacokinetic interactions between antiretrovirals and antitubercular drugs, adequate clinical response of both infections can be achieved with an acceptable safety profile when the pharmacological characteristics of drugs are known, and appropriate combination regimens, dosing, and timing of initiation are used. However, more clinical research is needed for newer drugs, such as rifapentine and the recently introduced integrase inhibitor antiretrovirals, and for specific population groups, such as children, pregnant women, and patients affected by multidrug-resistant TB.
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Affiliation(s)
- Mario Regazzi
- Unit of Clinical and Experimental Pharmacokinetics, Foundation IRCCS Policlinico San Matteo, P.le Golgi 2, 27100, Pavia, Italy,
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The effect of tuberculosis treatment on virologic and immunologic response to combination antiretroviral therapy among South African children. J Acquir Immune Defic Syndr 2015; 67:136-44. [PMID: 25072611 DOI: 10.1097/qai.0000000000000284] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Many HIV-infected children are diagnosed with tuberculosis (TB), but the effect of TB treatment on virologic and immunologic response to combination antiretroviral therapy (cART) is not well documented. METHODS Secondary analysis of a prospective cohort of cART-naive HIV-infected South African children aged 0-8 years initiating cART to assess the effect of TB treatment at the time of cART initiation on virologic suppression (HIV RNA < 50 copies/mL), virologic rebound (HIV RNA > 1000 copies/mL after suppression), and CD4 cell percent (CD4%) increase during the first 24 months of cART. RESULTS Of 199 children (median age 2.1 years), 92 (46%) were receiving TB treatment at cART initiation. Children receiving and not receiving TB treatment at cART initiation had similar median baseline HIV RNA (5.4 vs. 5.6 copies/mL), median time to virologic suppression (6.2 months in each group, adjusted hazard ratio, 1.36, 95% confidence interval: 0.94 to 1.96), and rates of virologic rebound by 24 months (23% vs. 24%, adjusted hazard ratio 1.53, 95% confidence interval: 0.71 to 3.30). Children on TB treatment had significantly lower median CD4% at baseline (15.3% vs. 18.8%, P < 0.01) and during the first 12 months of cART but experienced similar median increases in CD4% at 6 months (9.9% vs. 9.6%), 12 months (14.2% vs. 11.9%), and 24 months of cART (14.5% vs. 14.2%). Exploratory analyses suggest that children receiving lopinavir/ritonavir-based cART and TB treatment may have inferior virologic and immunologic response compared with children receiving efavirenz-based cART. CONCLUSIONS Receiving TB treatment at the time of cART initiation did not substantially affect virologic or immunologic response to cART in young children.
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Poor early virologic performance and durability of abacavir-based first-line regimens for HIV-infected children. Pediatr Infect Dis J 2013; 32:851-5. [PMID: 23860481 PMCID: PMC3717192 DOI: 10.1097/inf.0b013e31828c3738] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Concerns about stavudine (d4T) toxicity have led to increased use of abacavir (ABC) in first-line pediatric antiretroviral treatment (ART) regimens. Field experience with ABC in ART-naïve children is limited. METHODS Deidentified demographic, clinical and laboratory data on HIV-infected children initiating ART between 2004 and 2011 in a large pediatric HIV treatment program in Johannesburg, South Africa, were used to compare viral suppression at 6 and 12 months by initial treatment regimen, time to suppression (<400 copies/mL) and rebound (>1000 copies/mL after initial suppression). Adjusted logistic regression was used to investigate confounders and calendar effects. RESULTS Two thousand thirty-six children initiated either d4T/3TC- or ABC/3TC-based first-line regimens in combination with either boosted lopinavir (LPV/r) or efavirenz (EFV). 1634 received d4T regimens (LPV/r n = 672; EFV n = 962) and 402 ABC regimens (LPV/r n = 192; EFV n = 210). At 6 and 12 months on ART, viral suppression rate was poorer in ABC versus d4T groups within both the LPV/r and EFV groups (P < 0.0001 for all points). In ABC groups, time to suppression was significantly slower (log-rank P < 0.0001 and P = 0.0092 for LPV/r- and EFV-based, respectively) and time to rebound after suppression significantly faster (log-rank P = 0.014 and P = 0.0001 for LPV/r- and EFV-based, respectively). Logistic regression confirmed the worse outcomes in the ABC groups even after adjustment for confounders. CONCLUSION Data from this urban pediatric ART service program show significantly poorer virological performance of ABC compared with d4T-based regimens, a signal that urgently warrants further investigation.
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Kassa D, Gebremichael G, Alemayehu Y, Wolday D, Messele T, van Baarle D. Virologic and immunologic outcome of HAART in Human Immunodeficiency Virus (HIV)-1 infected patients with and without tuberculosis (TB) and latent TB infection (LTBI) in Addis Ababa, Ethiopia. AIDS Res Ther 2013; 10:18. [PMID: 23842109 PMCID: PMC3718701 DOI: 10.1186/1742-6405-10-18] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Accepted: 07/02/2013] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND HIV/TB coinfection remains a major challenge even after the initiation of HAART. Little is known about Mycobacterium tuberculosis (Mtb) specific immune restoration in relation to immunologic and virologic outcomes after long-term HAART during co-infections with latent and active TB. METHODS A total of 232 adults, including 59 HIV patients with clinical TB (HIV + TB+), 125 HIV patients without clinical TB (HIV + TB-), 13 HIV negative active TB patients (HIV-TB+), and 10 HIV negative Tuberculin Skin TST positive (HIV-TST+), and 25 HIV-TST- individuals were recruited. HAART was initiated in 113 HIV + patients (28 TB + and 85 TB-), and anti-TB treatment for all TB cases. CD4+ T-cell count, HIV RNA load, and IFN-γ responses to ESAT-6/CFP-10 were measured at baseline, 6 months (M6), 18 months (M18) and 24 months (M24) after HAART initiation. RESULTS The majority of HIV + TB- (70%, 81%, 84%) as well as HIV + TB + patients (60%, 77%, 80%) had virologic success (HIV RNA < 50 copies/ml) by M6, M18 and M24, respectively. HAART also significantly increased CD4+ T-cell counts at 2 years in HIV + TB + (from 110.3 to 289.9 cells/μl), HIV + TB- patients (197.8 to 332.3 cells/μl), HIV + TST- (199 to 347 cells/μl) and HIV + TST + individuals (195 to 319 cells/μl). Overall, there was no significant difference in the percentage of patients that achieved virologic success and in total CD4+ counts increased between HIV patients with and without TB or LTBI. The Mtb specific IFN-γ response at baseline was significantly lower in HIV + TB + (3.6 pg/ml) compared to HIV-TB + patients (34.4 pg/ml) and HIV + TST + (46.3 pg/ml) individuals; and in HIV-TB + patients compared to HIV-TST + individuals (491.2 pg/ml). By M18 on HAART, the IFN-γ response remained impaired in HIV + TB + patients (18.1 pg/ml) while it normalized in HIV + TST + individuals (from 46.3 to 414.2 pg/ml). CONCLUSIONS Our data show that clinical and latent TB infections do not influence virologic and immunologic outcomes of ART in HIV patients. Despite this, HAART was unable to restore optimal TB responsiveness as measured by Mtb specific IFN-γ response in HIV/TB patients. Improvement of Mtb-specific immune restoration should be the focus of future therapeutic strategies.
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Affiliation(s)
- Desta Kassa
- Infectious and non-infectious diseases research directorate, Ethiopian Health and Nutrition Research Institute (EHNRI), P.O. Box 1242, Addis Ababa, Ethiopia
- Department of Internal Medicine and Infectious Diseases and Department of Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gebremedhin Gebremichael
- Infectious and non-infectious diseases research directorate, Ethiopian Health and Nutrition Research Institute (EHNRI), P.O. Box 1242, Addis Ababa, Ethiopia
| | - Yodit Alemayehu
- Infectious and non-infectious diseases research directorate, Ethiopian Health and Nutrition Research Institute (EHNRI), P.O. Box 1242, Addis Ababa, Ethiopia
| | - Dawit Wolday
- Medical Biotech Laboratory, Addis Ababa, Ethiopia
| | - Tsehaynesh Messele
- Infectious and non-infectious diseases research directorate, Ethiopian Health and Nutrition Research Institute (EHNRI), P.O. Box 1242, Addis Ababa, Ethiopia
| | - Debbie van Baarle
- Department of Internal Medicine and Infectious Diseases and Department of Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
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23
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Antiretroviral regimens containing a single protease inhibitor increase risk of virologic failure in young HIV-infected children. Pediatr Infect Dis J 2013; 32:361-3. [PMID: 23114373 DOI: 10.1097/inf.0b013e318279c800] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Rifampin-based tuberculosis treatment can cause subtherapeutic concentrations of protease inhibitors and virologic failure in children receiving antiretroviral therapy. Among 217 children on antiretroviral therapy, tuberculosis cotreatment (in 78) was associated with virologic failure. Ritonavir-based single protease inhibitor antiretroviral therapy regimen predicted virologic failure (adjusted odds ratio 3.7, 95% confidence interval 1.5-8.9, P = 0.004) on multivariate analysis.
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Zanoni BC, Sunpath H, Feeney ME. Pediatric response to second-line antiretroviral therapy in South Africa. PLoS One 2012; 7:e49591. [PMID: 23185373 PMCID: PMC3502491 DOI: 10.1371/journal.pone.0049591] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Accepted: 10/12/2012] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND With improved access to pediatric antiretroviral therapy (ART) in resource-limited settings, more children could experience first-line ART treatment failure. METHODS We performed a retrospective cohort analysis using electronic medical records from HIV-infected children who initiated ART at McCord Hospital's Sinikithemba Clinic in KwaZulu-Natal, South Africa, from August 2003 to December 2010. We analyzed all records from children who began second-line ART due to first-line treatment failure. We used logistic regression to compare viral outcomes in Protease Inhibitor (PI)-based versus Non-Nucleoside Reverse Transcriptase Inhibitor (NNRTI)-based second-line ART, controlling for time on first-line ART, sex, and whether HIV genotyping guided the regimen change. RESULTS Of the 880 children who initiated ART during this time period, 80 (9.1%) switched to second-line ART due to therapeutic failure of first-line ART after a median of 95 weeks (IQR 65-147 weeks). Eight (10%) of the failures received NNRTI-based second-line ART, all of whom failed a PI-based first-line regimen. Seventy (87.5%) received PI-based second-line ART, all of whom failed a NNRTI-based first-line regimen. Two children (2.5%) received non-standard dual therapy as second-line ART. Six months after switching ART regimens, the viral suppression rate was significantly higher in the PI group (82%) than in the NNRTI group (29%; p=0.003). Forty-one children (51%) were tested for genotypic resistance prior to switching to second-line ART. There was no significant difference in six month viral suppression (p=0.38) between children with and without genotype testing. CONCLUSION NNRTI-based second-line ART carries a high risk of virologic failure compared to PI-based second-line ART.
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Affiliation(s)
- Brian C. Zanoni
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Charlestown, Massachusetts, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
- Sinikithemba Clinic and Philani Program, McCord Hospital, Durban, South Africa
| | - Henry Sunpath
- Sinikithemba Clinic and Philani Program, McCord Hospital, Durban, South Africa
- Infectious Diseases Unit, Nelson Mandela School of Medicine, Durban, South Africa
| | - Margaret E. Feeney
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Charlestown, Massachusetts, United States of America
- Sinikithemba Clinic and Philani Program, McCord Hospital, Durban, South Africa
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
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25
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Purchase SE, Van der Linden DJ, McKerrow NH. Feasibility and effectiveness of early initiation of combination antiretroviral therapy in HIV-infected infants in a government clinic of Kwazulu-Natal, South Africa. J Trop Pediatr 2012; 58:114-9. [PMID: 21705764 DOI: 10.1093/tropej/fmr053] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A recent randomized trial showed dramatic improvement in survival of HIV-infected infants receiving early combination antiretroviral therapy (cART). However, few data are available for resource-limited settings. Therefore we conducted a chart review of HIV-infected infants initiated on cART between 2005 and 2008. Of 129 treated infants, 94 completed 6 months, 62 completed 12 months, and 39 completed 18 months of cART. Median age at initiation of cART was 8.6 months (range 2.1-11.9) and 77.2% had advanced disease. Undetectable VL was found in 78.8% of children who reached 18 months of treatment. CD4% increased from a median of 15.4% at baseline to 33.1% at 18 months. Weight for age Z-score increased from a mean ± SD of -2.7 ± 1.97 to 0.02 ± 1.10 at 18 months. Findings show favourable response to cART in HIV-infected infants outside a research environment, despite initial advanced disease. Efforts should be made to initiate cART as early as possible.
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Affiliation(s)
- Susan E Purchase
- Department of Paediatrics, Pietermarizburg Metropolitan Hospitals Complex, Pietermaritzburg, 3200, South Africa
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26
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Unresolved antiretroviral treatment management issues in HIV-infected children. J Acquir Immune Defic Syndr 2012; 59:161-9. [PMID: 22138766 DOI: 10.1097/qai.0b013e3182427029] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Antiretroviral therapy in children has expanded dramatically in low-income and middle-income countries. The World Health Organization revised its pediatric HIV guidelines to recommend initiation of antiretroviral therapy in all HIV-infected children younger than 2 years, regardless of CD4 count or clinical stage. The number of children starting life-long antiretroviral therapy should therefore expand dramatically over time. The early initiation of antiretroviral therapy has indisputable benefits for children, but there is a paucity of definitive information on the potential adverse effects. In this review, a comprehensive literature search was conducted to provide an overview of our knowledge about the complications of treating pediatric HIV. Antiretroviral therapy in children, as in adults, is associated with enhanced survival, reduction in opportunistic infections, improved growth and neurocognitive function, and better quality of life. Despite antiretroviral therapy, HIV-infected children may continue to lag behind their uninfected peers in growth and development. In addition, epidemic concurrent conditions, such as tuberculosis, malaria, and malnutrition, can combine with HIV to yield more rapid disease progression and poor treatment outcomes. Additional studies are required to evaluate the long-term effects of antiretroviral therapy in HIV-infected infants, children, and adolescents, particularly in resource-limited countries where concomitant infections and conditions may enhance the risk of adverse effects. There is an urgent need to evaluate drug-drug interactions in children to determine optimal treatment regimens for both HIV and coinfections.
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27
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Cingolani A, Cozzi Lepri A, Castagna A, Goletti D, De Luca A, Scarpellini P, Fanti I, Antinori A, d'Arminio Monforte A, Girardi E. Impaired CD4 T-Cell Count Response to Combined Antiretroviral Therapy in Antiretroviral-Naive HIV-Infected Patients Presenting With Tuberculosis as AIDS-Defining Condition. Clin Infect Dis 2011; 54:853-61. [DOI: 10.1093/cid/cir900] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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28
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Luetkemeyer AF, Getahun H, Chamie G, Lienhardt C, Havlir DV. Tuberculosis drug development: ensuring people living with HIV are not left behind. Am J Respir Crit Care Med 2011; 184:1107-13. [PMID: 21868507 DOI: 10.1164/rccm.201106-0995pp] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
An unprecedented number of new tuberculosis (TB) medications are currently in development, and there will be great pressure to deploy these new drugs among all populations after their efficacy is demonstrated. People living with HIV experience a large burden of TB and have a particularly pressing need for TB treatments that are shorter and less toxic. In addition, all people living with HIV now require antiretroviral therapy during TB treatment. A roadmap of the research, programmatic, and regulatory considerations includes the following: (1) inclusion of people living with HIV early in clinical trials for treatment and prevention using new TB medications, (2) prioritization of key studies of HIV-TB drug interactions and interactions between new TB agents, and (3) optimization of clinical trial infrastructure, laboratory capacity, and drug susceptibility testing.
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Affiliation(s)
- Anne F Luetkemeyer
- HIV/AIDS Division, San Francisco General Hospital, University of California, San Francisco, CA 94110, USA.
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29
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Zanoni BC, Phungula T, Zanoni HM, France H, Feeney ME. Risk factors associated with increased mortality among HIV infected children initiating antiretroviral therapy (ART) in South Africa. PLoS One 2011; 6:e22706. [PMID: 21829487 PMCID: PMC3146475 DOI: 10.1371/journal.pone.0022706] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Accepted: 07/05/2011] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE To identify demographic and clinical risk factors associated with mortality after initiation of antiretroviral therapy (ART) in a cohort of human immunodeficiency (HIV) infected children in KwaZulu-Natal, South Africa. METHODS We performed a retrospective cohort study of 537 children initiating antiretroviral therapy at McCord Hospital in KwaZulu-Natal, South Africa. Data were extracted from electronic medical records and risk factors associated with mortality were assessed using Cox regression analysis. RESULTS Overall there were 47 deaths from the cohort of 537 children initiating ART with over 991 child-years of follow-up (median 22 months on ART), yielding a mortality rate of 4.7 deaths per 100 child years on ART. Univariate analysis indicated that mortality was significantly associated with lower weight-for-age Z-score (p<0.0001), chronic diarrhea (p = 0.0002), lower hemoglobin (p = 0.002), age <3 years (p = 0.003), and CD4% <10% (p = 0.005). The final multivariable Cox proportional hazards mortality model found age less than 3 years (p = 0.004), CD4 <10% (p = 0.01), chronic diarrhea (p = 0.03), weight-for-age Z-score (<0.0001) and female gender as a covariate varying with time (p = 0.03) all significantly associated with mortality. CONCLUSION In addition to recognized risk factors such as young age and advanced immunosuppression, we found female gender to be significantly associated with mortality in this pediatric ART cohort. Future studies are needed to determine whether intrinsic biologic differences or socio-cultural factors place female children with HIV at increased risk of death following initiation of ART.
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Affiliation(s)
- Brian C. Zanoni
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Charlestown, Massachusetts, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
- Sinikithemba Clinic and Philani Program, McCord Hospital, Durban, South Africa
| | - Thuli Phungula
- Sinikithemba Clinic and Philani Program, McCord Hospital, Durban, South Africa
| | - Holly M. Zanoni
- Sinikithemba Clinic and Philani Program, McCord Hospital, Durban, South Africa
| | - Holly France
- Sinikithemba Clinic and Philani Program, McCord Hospital, Durban, South Africa
| | - Margaret E. Feeney
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Charlestown, Massachusetts, United States of America
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
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