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Rungsapphaiboon A, Wacharachaisurapol N, Anugulruengkitt S, Sirikutt P, Phasomsap C, Tawan M, Saisaengjan C, Na Nakorn Y, Paiboon N, Songtaweesin WN, Tawon Y, Cressey TR, Puthanakit T. Pharmacokinetics of Generic Pediatric Dolutegravir Dispersible Tablet in Thai Young Children Living With HIV Weighing Below Twenty Kilograms. Pediatr Infect Dis J 2024; 43:789-794. [PMID: 39018516 PMCID: PMC11250107 DOI: 10.1097/inf.0000000000004366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/17/2024] [Indexed: 05/22/2024]
Abstract
INTRODUCTION Dolutegravir (DTG) dispersible tablet (DTG-DT) is a pediatric-friendly formulation. We aimed to describe the pharmacokinetics and virologic responses of generic DTG-DT in children weighing <20 kg. METHODS Children living with HIV-1 and <7 years of age weighing 6 to <20 kg were eligible. A generic 10-mg scored DTG-DT was administered to children using 3 weight bands (WB): WB1 (6 to <10 kg), WB2 (10 to <14 kg) and WB3 (14 to <20 kg), at doses of 20 mg (higher than World Health Organization recommendation of 15 mg), 20 mg and 25 mg, respectively. Steady-state intensive pharmacokinetics (PK) was performed in fasting condition with blood sampling at predose and 1, 2, 3, 4, 6 and 24 hours postdose. DTG PK parameters were estimated using a noncompartmental analysis, and DTG trough concentrations (C 24 ) and 24-hour area under the concentration-time curve were calculated. Comparisons were made with ODYSSEY and IMPAACT 2019. And 90% effective concentration of 0.32 mg/L was used as a reference individual DTG C 24 concentration. RESULTS From August 2021 to March 2023, 29 Thai children with a median (interquartile range) age of 3.2 (1.5-4.8) years were enrolled; 8 in WB1, 9 in WB2 and 12 in WB3. All children were treatment experienced and 59% had HIV RNA <200 copies/mL. Overall geometric mean (coefficient of variation percentage) DTG C 24 was 1.0 (46%) mg/L [WB1, 0.9 (53%); WB2, 0.9 (27%); WB3, 1.2 (51%)]. Geometric mean (coefficient of variation percentage) 24-hour area under the concentration-time curve was 83.2 (24%) mg h/L [WB1, 84.3 (31%); WB2, 76.9 (16%); WB3, 87.6 (25%)]. At weeks 24 and 48, 90% and 92% of participants had plasma HIV RNA <200 copies/mL. CONCLUSIONS Generic DTG-DT provided adequate drug exposure in children weighing 6 to <20 kg. The exploratory dose of DTG 20 mg for children weighing 6 to <10 kg showed similar PK parameters to World Health Organization doses in the other WB.
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Affiliation(s)
- Athiporn Rungsapphaiboon
- From the Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Department of Pediatrics, Khon Kaen Hospital, Khon Kaen, Thailand
| | - Noppadol Wacharachaisurapol
- Center of Excellence for Pediatric Infectious Diseases and Vaccines, Faculty of Medicine, Chulalongkorn University
- Department of Pharmacology, Center of Excellence in Clinical Pharmacokinetics and Pharmacogenomics, Faculty of Medicine, Chulalongkorn University
| | - Suvaporn Anugulruengkitt
- From the Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence for Pediatric Infectious Diseases and Vaccines, Faculty of Medicine, Chulalongkorn University
| | - Pugpen Sirikutt
- Department of Pediatrics, Queen Sirikit National Institute of Child Health, Bangkok, Thailand
| | - Chayapa Phasomsap
- Center of Excellence for Pediatric Infectious Diseases and Vaccines, Faculty of Medicine, Chulalongkorn University
| | - Monta Tawan
- Center of Excellence for Pediatric Infectious Diseases and Vaccines, Faculty of Medicine, Chulalongkorn University
| | - Chutima Saisaengjan
- Center of Excellence for Pediatric Infectious Diseases and Vaccines, Faculty of Medicine, Chulalongkorn University
| | - Yossawadee Na Nakorn
- Department of Pediatrics, Queen Sirikit National Institute of Child Health, Bangkok, Thailand
| | - Nantika Paiboon
- From the Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Wipaporn Natalie Songtaweesin
- From the Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence for Pediatric Infectious Diseases and Vaccines, Faculty of Medicine, Chulalongkorn University
| | - Yardpiroon Tawon
- PK Laboratory Department, AMS-PHPT Research Collaboration, Faculty of Associated Medical Science, Chiang Mai University, Chiang Mai, Thailand
| | - Tim R. Cressey
- PK Laboratory Department, AMS-PHPT Research Collaboration, Faculty of Associated Medical Science, Chiang Mai University, Chiang Mai, Thailand
| | - Thanyawee Puthanakit
- From the Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence for Pediatric Infectious Diseases and Vaccines, Faculty of Medicine, Chulalongkorn University
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Bamford A, Hamzah L, Turkova A. Paediatric antiretroviral therapy challenges with emerging integrase resistance. Curr Opin HIV AIDS 2024:01222929-990000000-00104. [PMID: 38967797 DOI: 10.1097/coh.0000000000000876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
PURPOSE OF REVIEW Universal antiretroviral (ART) coverage and virological suppression are fundamental to ending AIDS in children by 2030. Availability of new paediatric dolutegravir (DTG)-based ART formulations is a major breakthrough and will undoubtedly help achieve this goal, but treatment challenges still remain. RECENT FINDINGS Paediatric formulations remain limited compared to those for adults, especially for young children, those unable to tolerate DTG or with DTG-based first-line ART failure. Tenofovir alafenamide is virologically superior to standard-of-care backbone drugs in second-line, but paediatric formulations are not widely available. The roles of resistance testing and recycling of backbone drugs following first-line ART failure remain to be determined. Results of trials of novel treatment strategies including dual therapy and long-acting agents are awaited. Although numbers are currently small, safe and effective ART options are urgently required for children developing DTG resistance. SUMMARY The antiretroviral treatment gap between adults and children persists. The potential benefits from rollout of new paediatric DTG-based fixed-dose combination ART for first-line treatment are considerable. However, children remain disadvantaged when DTG-based first-line ART fails or cannot be used. Research efforts to address this inequity require prioritisation in order to ensure health outcomes are optimised for all ages in all settings.
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Affiliation(s)
- Alasdair Bamford
- Great Ormond Street Hospital for Children NHS Foundation Trust
- UCL Great Ormond Street Institute of Child Health
- MRC Clinical Trials Unit at UCL
| | - Lisa Hamzah
- St George's University Hospital NHS Trust, London, UK
| | - Anna Turkova
- Great Ormond Street Hospital for Children NHS Foundation Trust
- MRC Clinical Trials Unit at UCL
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Jacobs TG, Mumbiro V, Cassia U, Zimba K, Nalwanga D, Ballesteros A, Domínguez-Rodríguez S, Tagarro A, Madrid L, Mutata C, Chitsamatanga M, Bwakura-Dangarembizi M, Passanduca A, Buck WC, Nduna B, Chabala C, Najjingo E, Musiime V, Moraleda C, Colbers A, Mujuru HA, Rojo P, Burger DM. Twice-Daily Dosing of Dolutegravir in Infants on Rifampicin Treatment: A Pharmacokinetic Substudy of the EMPIRICAL Trial. Clin Infect Dis 2024; 78:702-710. [PMID: 37882611 PMCID: PMC10954323 DOI: 10.1093/cid/ciad656] [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: 07/21/2023] [Revised: 09/29/2023] [Accepted: 10/25/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND We evaluated dolutegravir pharmacokinetics in infants with human immunodeficiency virus (HIV) receiving dolutegravir twice daily (BID) with rifampicin-based tuberculosis (TB) treatment compared with once daily (OD) without rifampicin. METHODS Infants with HIV aged 1-12 months, weighing ≥3 kg, and receiving dolutegravir BID with rifampicin or OD without rifampicin were eligible. Six blood samples were taken over 12 (BID) or 24 hours (OD). Dolutegravir pharmacokinetic parameters, HIV viral load (VL) data, and adverse events (AEs) were reported. RESULTS Twenty-seven of 30 enrolled infants had evaluable pharmacokinetic curves. The median (interquartile range) age was 7.1 months (6.1-9.9), weight was 6.3 kg (5.6-7.2), 21 (78%) received rifampicin, and 11 (41%) were female. Geometric mean ratios comparing dolutegravir BID with rifampicin versus OD without rifampicin were area under curve (AUC)0-24h 0.91 (95% confidence interval, .59-1.42), Ctrough 0.95 (0.57-1.59), Cmax 0.87 (0.57-1.33). One infant (5%) receiving rifampicin versus none without rifampicin had dolutegravir Ctrough <0.32 mg/L, and none had Ctrough <0.064 mg/L. The dolutegravir metabolic ratio (dolutegravir-glucuronide AUC/dolutegravir AUC) was 2.3-fold higher in combination with rifampicin versus without rifampicin. Five of 82 reported AEs were possibly related to rifampicin or dolutegravir and resolved without treatment discontinuation. Upon TB treatment completion, HIV viral load was <1000 copies/mL in 76% and 100% of infants and undetectable in 35% and 20% of infants with and without rifampicin, respectively. CONCLUSIONS Dolutegravir BID in infants receiving rifampicin resulted in adequate dolutegravir exposure, supporting this treatment approach for infants with HIV-TB coinfection.
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Affiliation(s)
- Tom G Jacobs
- Department of Pharmacy, Radboudumc Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Vivian Mumbiro
- University of Zimbabwe Clinical Research Centre, Harare, Zimbabwe
| | - Uneisse Cassia
- Universidade Eduardo Mondlane Faculdade de Medicina, Maputo, Mozambique
| | - Kevin Zimba
- University Teaching Hospitals-Children’s Hospital, Lusaka, Zambia
| | - Damalie Nalwanga
- Department of Paediatrics and Child Health, School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Alvaro Ballesteros
- Pediatric Unit for Research and Clinical Trials, Hospital 12 de Octubre Health Research Institute, Biomedical Foundation of Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Sara Domínguez-Rodríguez
- Pediatric Unit for Research and Clinical Trials, Hospital 12 de Octubre Health Research Institute, Biomedical Foundation of Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Alfredo Tagarro
- Pediatric Unit for Research and Clinical Trials, Hospital 12 de Octubre Health Research Institute, Biomedical Foundation of Hospital Universitario 12 de Octubre, Madrid, Spain
- Pediatric Service, Infanta Sofia University Hospital, Servicio Madrileño de Salud, Madrid, Spain
- Universidad Europea de Madrid, Madrid, Spain
| | - Lola Madrid
- Pediatric Unit for Research and Clinical Trials, Hospital 12 de Octubre Health Research Institute, Biomedical Foundation of Hospital Universitario 12 de Octubre, Madrid, Spain
- London School of Hygiene and Tropical Medicine, London, United Kingdom
| | | | | | | | - Alfeu Passanduca
- Universidade Eduardo Mondlane Faculdade de Medicina, Maputo, Mozambique
| | - W Chris Buck
- Universidade Eduardo Mondlane Faculdade de Medicina, Maputo, Mozambique
- David Geffen School of Medicine, University of California–Los Angeles, Los Angeles, California, USA
| | - Bwendo Nduna
- Arthur Davidson Children’s Hospital, Ndola, Zambia
| | - Chishala Chabala
- University Teaching Hospitals-Children’s Hospital, Lusaka, Zambia
- School of Medicine, University of Zambia, Lusaka, Zambia
- HerpeZ, Lusaka, Zambia
| | | | - Victor Musiime
- Department of Paediatrics and Child Health, School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
- Joint Clinical Research Centre, Kampala, Uganda
| | - Cinta Moraleda
- Pediatric Unit for Research and Clinical Trials, Hospital 12 de Octubre Health Research Institute, Biomedical Foundation of Hospital Universitario 12 de Octubre, Madrid, Spain
- Pediatric Service, Hospital Universitario 12 de Octubre, Servicio Madrileño de Salud, Madrid, Spain
| | - Angela Colbers
- Department of Pharmacy, Radboudumc Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Hilda A Mujuru
- University of Zimbabwe Clinical Research Centre, Harare, Zimbabwe
| | - Pablo Rojo
- Pediatric Unit for Research and Clinical Trials, Hospital 12 de Octubre Health Research Institute, Biomedical Foundation of Hospital Universitario 12 de Octubre, Madrid, Spain
- Pediatric Service, Hospital Universitario 12 de Octubre, Servicio Madrileño de Salud, Madrid, Spain
- Complutense University of Madrid, Madrid, Spain
| | - David M Burger
- Department of Pharmacy, Radboudumc Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands
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Chu C, Tao K, Kouamou V, Avalos A, Scott J, Grant PM, Rhee SY, McCluskey SM, Jordan MR, Morgan RL, Shafer RW. Prevalence of Emergent Dolutegravir Resistance Mutations in People Living with HIV: A Rapid Scoping Review. Viruses 2024; 16:399. [PMID: 38543764 PMCID: PMC10975848 DOI: 10.3390/v16030399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 05/23/2024] Open
Abstract
BACKGROUND Dolutegravir (DTG) is a cornerstone of global antiretroviral (ARV) therapy (ART) due to its high efficacy and favorable tolerability. However, limited data exist regarding the risk of emergent integrase strand transfer inhibitor (INSTI) drug-resistance mutations (DRMs) in individuals receiving DTG-containing ART. METHODS We performed a PubMed search using the term "Dolutegravir", last updated 18 December 2023, to estimate the prevalence of VF with emergent INSTI DRMs in people living with HIV (PLWH) without previous VF on an INSTI who received DTG-containing ART. RESULTS Of 2131 retrieved records, 43 clinical trials, 39 cohorts, and 6 cross-sectional studies provided data across 6 clinical scenarios based on ART history, virological status, and co-administered ARVs: (1) ART-naïve PLWH receiving DTG plus two NRTIs; (2) ART-naïve PLWH receiving DTG plus lamivudine; (3) ART-experienced PLWH with VF on a previous regimen receiving DTG plus two NRTIs; (4) ART-experienced PLWH with virological suppression receiving DTG plus two NRTIs; (5) ART-experienced PLWH with virological suppression receiving DTG and a second ARV; and (6) ART-experienced PLWH with virological suppression receiving DTG monotherapy. The median proportion of PLWH in clinical trials with emergent INSTI DRMs was 1.5% for scenario 3 and 3.4% for scenario 6. In the remaining four trial scenarios, VF prevalence with emergent INSTI DRMs was ≤0.1%. Data from cohort studies minimally influenced prevalence estimates from clinical trials, whereas cross-sectional studies yielded prevalence data lacking denominator details. CONCLUSIONS In clinical trials, the prevalence of VF with emergent INSTI DRMs in PLWH receiving DTG-containing regimens has been low. Novel approaches are required to assess VF prevalence with emergent INSTI DRMs in PLWH receiving DTG in real-world settings.
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Affiliation(s)
- Carolyn Chu
- Department of Family and Community Medicine, University of California San Francisco, San Francisco, CA 94110, USA;
| | - Kaiming Tao
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, CA 94305, USA (J.S.); (S.-Y.R.)
| | - Vinie Kouamou
- Faculty of Medicine and Health Sciences, University of Zimbabwe, Harare 00263, Zimbabwe;
| | - Ava Avalos
- Careena Center for Health, Gaborone, Botswana
| | - Jake Scott
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, CA 94305, USA (J.S.); (S.-Y.R.)
| | - Philip M. Grant
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, CA 94305, USA (J.S.); (S.-Y.R.)
| | - Soo-Yon Rhee
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, CA 94305, USA (J.S.); (S.-Y.R.)
| | | | - Michael R. Jordan
- Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center, Boston, MA 02111, USA
- Collaboratory for Emerging Infectious Diseases and Response (CEIDR), Tufts University, Medford, MA 02155, USA
| | - Rebecca L. Morgan
- School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Robert W. Shafer
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, CA 94305, USA (J.S.); (S.-Y.R.)
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Loaiza JD, Chvatal-Medina M, Hernandez JC, Rugeles MT. Integrase inhibitors: current protagonists in antiretroviral therapy. Immunotherapy 2023; 15:1477-1495. [PMID: 37822251 DOI: 10.2217/imt-2023-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023] Open
Abstract
Since HIV was identified as the etiological agent of AIDS, there have been significant advances in antiretroviral therapy (ART) that has reduced morbidity/mortality. Still, the viral genome's high mutation rate, suboptimal ART regimens, incomplete adherence to therapy and poor control of the viral load generate variants resistant to multiple drugs. Licensing over 30 anti-HIV drugs worldwide, including integrase inhibitors, has marked a milestone since they are potent and well-tolerated drugs. In addition, they favor a faster recovery of CD4+ T cells. They also increase the diversity profile of the gut microbiota and reduce inflammatory markers. All of these highlight the importance of including them in different ART regimens.
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Affiliation(s)
- John D Loaiza
- Grupo Inmunovirología, Facultad de medicina, Universidad de Antioquia, Medellín, 050010, Colombia
| | - Mateo Chvatal-Medina
- Grupo Inmunovirología, Facultad de medicina, Universidad de Antioquia, Medellín, 050010, Colombia
| | - Juan C Hernandez
- Infettare, Facultad de medicina, Universidad Cooperativa de Colombia, Medellín, 050012, Colombia
| | - Maria T Rugeles
- Grupo Inmunovirología, Facultad de medicina, Universidad de Antioquia, Medellín, 050010, Colombia
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Turkova A, White E, Kekitiinwa AR, Mumbiro V, Kaudha E, Liberty A, Ahimbisibwe GM, Moloantoa T, Srirompotong U, Mosia NR, Puthanakit T, Kobbe R, Fortuny C, Kataike H, Bbuye D, Na-Rajsima S, Coelho A, Lugemwa A, Bwakura-Dangarembizi MF, Klein N, Mujuru HA, Kityo C, Cotton MF, Ferrand RA, Giaquinto C, Rojo P, Violari A, Gibb DM, Ford D. Neuropsychiatric manifestations and sleep disturbances with dolutegravir-based antiretroviral therapy versus standard of care in children and adolescents: a secondary analysis of the ODYSSEY trial. THE LANCET. CHILD & ADOLESCENT HEALTH 2023; 7:718-727. [PMID: 37562418 PMCID: PMC7616346 DOI: 10.1016/s2352-4642(23)00164-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 06/03/2023] [Accepted: 06/12/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND Cohort studies in adults with HIV showed that dolutegravir was associated with neuropsychiatric adverse events and sleep problems, yet data are scarce in children and adolescents. We aimed to evaluate neuropsychiatric manifestations in children and adolescents treated with dolutegravir-based treatment versus alternative antiretroviral therapy. METHODS This is a secondary analysis of ODYSSEY, an open-label, multicentre, randomised, non-inferiority trial, in which adolescents and children initiating first-line or second-line antiretroviral therapy were randomly assigned 1:1 to dolutegravir-based treatment or standard-of-care treatment. We assessed neuropsychiatric adverse events (reported by clinicians) and responses to the mood and sleep questionnaires (reported by the participant or their carer) in both groups. We compared the proportions of patients with neuropsychiatric adverse events (neurological, psychiatric, and total), time to first neuropsychiatric adverse event, and participant-reported responses to questionnaires capturing issues with mood, suicidal thoughts, and sleep problems. FINDINGS Between Sept 20, 2016, and June 22, 2018, 707 participants were enrolled, of whom 345 (49%) were female and 362 (51%) were male, and 623 (88%) were Black-African. Of 707 participants, 350 (50%) were randomly assigned to dolutegravir-based antiretroviral therapy and 357 (50%) to non-dolutegravir-based standard-of-care. 311 (44%) of 707 participants started first-line antiretroviral therapy (ODYSSEY-A; 145 [92%] of 157 participants had efavirenz-based therapy in the standard-of-care group), and 396 (56%) of 707 started second-line therapy (ODYSSEY-B; 195 [98%] of 200 had protease inhibitor-based therapy in the standard-of-care group). During follow-up (median 142 weeks, IQR 124-159), 23 participants had 31 neuropsychiatric adverse events (15 in the dolutegravir group and eight in the standard-of-care group; difference in proportion of participants with ≥1 event p=0·13). 11 participants had one or more neurological events (six and five; p=0·74) and 14 participants had one or more psychiatric events (ten and four; p=0·097). Among 14 participants with psychiatric events, eight participants in the dolutegravir group and four in standard-of-care group had suicidal ideation or behaviour. More participants in the dolutegravir group than the standard-of-care group reported symptoms of self-harm (eight vs one; p=0·025), life not worth living (17 vs five; p=0·0091), or suicidal thoughts (13 vs none; p=0·0006) at one or more follow-up visits. Most reports were transient. There were no differences by treatment group in low mood or feeling sad, problems concentrating, feeling worried or feeling angry or aggressive, sleep problems, or sleep quality. INTERPRETATION The numbers of neuropsychiatric adverse events and reported neuropsychiatric symptoms were low. However, numerically more participants had psychiatric events and reported suicidality ideation in the dolutegravir group than the standard-of-care group. These differences should be interpreted with caution in an open-label trial. Clinicians and policy makers should consider including suicidality screening of children or adolescents receiving dolutegravir. FUNDING Penta Foundation, ViiV Healthcare, and UK Medical Research Council.
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Affiliation(s)
- Anna Turkova
- Medical Research Council Clinical Trials Unit at University College London, London, UK.
| | - Ellen White
- Medical Research Council Clinical Trials Unit at University College London, London, UK
| | | | - Vivian Mumbiro
- University of Zimbabwe Clinical Research Centre, Harare, Zimbabwe
| | | | - Afaaf Liberty
- Perinatal HIV Research Unit, University of the Witwarsrand, Johannesburg, South Africa
| | | | - Tumelo Moloantoa
- Perinatal HIV Research Unit, University of the Witwarsrand, Johannesburg, South Africa
| | | | - Nozibusiso Rejoice Mosia
- Department of Paediatrics and Children Health, King Edward VIII Hospital, Enhancing Care Foundation, University of KwaZulu-Natal, Durban, South Africa
| | - Thanyawee Puthanakit
- HIVNAT, Thai Red Cross AIDS Research Center, Bangkok, Thailand; Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Thailand
| | - Robin Kobbe
- Institute for Infection Research and Vaccine Development, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany; Department of Infectious Disease Epidemiology, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Clàudia Fortuny
- Infectious Diseases Department, Institut de Recerca Sant Joan de Déu, Sant Joan de Déu Children's Hospital, Barcelona, Spain; Department of Surgery and Medico-Surgical Specialties, Faculty of Medicine and Health Sciences, Universitat de Barcelona, Barcelona, Spain
| | - Hajira Kataike
- Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda
| | | | | | - Alexandra Coelho
- INSERM/ANRS SC10-US19, Essais Thérapeutiques et Maladies Infectieuses, Villejuif, France
| | | | | | - Nigel Klein
- Infection, Immunity & Inflammation Department, UCL Great Ormond Street Institute of Child Health, London, UK; Africa Health Research Institute, Kwazulu-Natal, South Africa
| | - Hilda A Mujuru
- University of Zimbabwe Clinical Research Centre, Harare, Zimbabwe
| | - Cissy Kityo
- Joint Clinical Research Centre, Kampala, Uganda
| | - Mark F Cotton
- Children's Infectious Diseases Clinical Research Unit, Family Center for Research with Ubuntu, Department of Paediatrics and Child Health, University of Stellenbosch, Cape Town, South Africa
| | - Rashida A Ferrand
- Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
| | - Carlo Giaquinto
- Department of Women and Child Health, Padova, University of Padova, Italy
| | - Pablo Rojo
- Pediatric Infectious Diseases Unit, Hospital 12 de Octubre, Madrid, Spain
| | - Avy Violari
- Perinatal HIV Research Unit, University of the Witwarsrand, Johannesburg, South Africa
| | - Diana M Gibb
- Medical Research Council Clinical Trials Unit at University College London, London, UK
| | - Deborah Ford
- Medical Research Council Clinical Trials Unit at University College London, London, UK
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Waalewijn H, Szubert AJ, Wasmann RE, Wiesner L, Chabala C, Bwakura-Dangarembizi M, Makumbi S, Nangiya J, Mumbiro V, Mulenga V, Musiime V, Monkiewicz LN, Griffiths AL, Bamford A, Doerholt K, Denti P, Burger DM, Gibb DM, McIlleron HM, Colbers A. First Pharmacokinetic Data of Tenofovir Alafenamide Fumarate and Tenofovir With Dolutegravir or Boosted Protease Inhibitors in African Children: A Substudy of the CHAPAS-4 Trial. Clin Infect Dis 2023; 77:875-882. [PMID: 37315296 PMCID: PMC10506774 DOI: 10.1093/cid/ciad267] [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: 01/17/2023] [Indexed: 06/16/2023] Open
Abstract
BACKGROUND We evaluated the pharmacokinetics of tenofovir alafenamide fumarate (TAF) and tenofovir in a subset of African children enrolled in the CHAPAS-4 trial. METHODS Children aged 3-15 years with human immunodeficiency virus infection failing first-line antiretroviral therapy were randomized to emtricitabine/TAF versus standard-of-care nucleoside reverse transcriptase inhibitor combination, plus dolutegravir, atazanavir/ritonavir, darunavir/ritonavir, or lopinavir/ritonavir. Daily emtricitabine/TAF was dosed according to World Health Organization (WHO)-recommended weight bands: 120/15 mg in children weighing 14 to <25 kg and 200/25 mg in those weighing ≥25 kg. At steady state, 8-9 blood samples were taken to construct pharmacokinetic curves. Geometric mean (GM) area under the concentration-time curve (AUC) and the maximum concentration (Cmax) were calculated for TAF and tenofovir and compared to reference exposures in adults. RESULTS Pharmacokinetic results from 104 children taking TAF were analyzed. GM (coefficient of variation [CV%]) TAF AUClast when combined with dolutegravir (n = 18), darunavir/ritonavir (n = 34), or lopinavir/ritonavir (n = 20) were 284.5 (79), 232.0 (61), and 210.2 (98) ng*hour/mL, respectively, and were comparable to adult reference values. When combined with atazanavir/ritonavir (n = 32), TAF AUClast increased to 511.4 (68) ng*hour/mL. For each combination, tenofovir GM (CV%) AUCtau and Cmax remained below reference values in adults taking 25 mg TAF with a boosted protease inhibitors. CONCLUSIONS In children, TAF combined with boosted PIs or dolutegravir and dosed according to WHO-recommended weight bands provides TAF and tenofovir concentrations previously demonstrated to be well tolerated and effective in adults. These data provide the first evidence for use of these combinations in African children. CLINICAL TRIALS REGISTRATION ISRCTN22964075.
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Affiliation(s)
- Hylke Waalewijn
- Department of Pharmacy, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, South Africa
| | - Alexander J Szubert
- Medical Research Council Clinical Trials Unit, University College London, United Kingdom
| | - Roeland E Wasmann
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, South Africa
| | - Lubbe Wiesner
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, South Africa
| | - Chishala Chabala
- Department of Paediatrics and Child Health, School of Medicine, University of Zambia
- Children’s Hospital, University Teaching Hospital, Lusaka, Zambia
| | | | - Shafic Makumbi
- Joint Clinical Research Centre, Mbarara Regional Centre of Excellence, Mbarara, Uganda
| | - Joan Nangiya
- Joint Clinical Research Centre, Research Department, Kampala, Uganda
| | | | - Veronica Mulenga
- Children’s Hospital, University Teaching Hospital, Lusaka, Zambia
| | - Victor Musiime
- Joint Clinical Research Centre, Research Department, Kampala, Uganda
- Department of Paediatrics and Child Health, Makerere University, Kampala, Uganda
| | - Lara N Monkiewicz
- Medical Research Council Clinical Trials Unit, University College London, United Kingdom
| | - Anna L Griffiths
- Medical Research Council Clinical Trials Unit, University College London, United Kingdom
| | - Alasdair Bamford
- Medical Research Council Clinical Trials Unit, University College London, United Kingdom
- Infection, Immunity & Inflammation Department, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Katja Doerholt
- Medical Research Council Clinical Trials Unit, University College London, United Kingdom
- Paediatric Infectious Diseases Unit, St George's University Hospital, London, United Kingdom
| | - Paolo Denti
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, South Africa
| | - David M Burger
- Department of Pharmacy, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Diana M Gibb
- Medical Research Council Clinical Trials Unit, University College London, United Kingdom
| | - Helen M McIlleron
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, South Africa
| | - Angela Colbers
- Department of Pharmacy, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands
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8
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Duke T. Randomised controlled trials in child and adolescent health in 2023. Arch Dis Child 2023; 108:709-714. [PMID: 37474280 DOI: 10.1136/archdischild-2023-326046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 07/12/2023] [Indexed: 07/22/2023]
Abstract
In the year July 2022 to June 2023 there were 501 publications from randomised controlled trials (RCTs) in child and adolescent health in developing countries identified through a standardised search strategy that has been going for 20 years. This year, trials addressed the widest range of diseases and conditions that affect the health, development and well-being of children, newborns, adolescents and mothers. RCTs reflected old, neglected and new problems, the changing epidemiology of child health, social and economic circumstances in many countries, local and global priorities of low-income and middle-income countries, environmental causes of poor child health, and inequities. The RCTs tested new and refined treatments, diagnostics, vaccines, holistic management, and prevention approaches, and explored many outcomes, including mortality, nutrition, psychosocial measures, and neurodevelopment. The studies were conducted in numerous hospitals and healthcare clinics, schools, and communities, including among some of the world's most disadvantaged populations in humanitarian and refugee emergencies. Some studies are of the highest quality, and others fall short. Many RCTs will influence guidelines, practice and policies for years to come.
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Affiliation(s)
- Trevor Duke
- Department of Paediatrics, University of Melbourne, and Intensive Care Unit, The Royal Children's Hospital, Melbourne, Victoria, Australia
- Child Health, School of Medicine and Health Sciences, University of Papua New Guinea, Port Moresby, Papua New Guinea
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9
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Lees EA, Tickner N, Lyall H, Mcmaster P, Smith B, Cliffe L, Taylor G, Foster C. Infant postnatal prophylaxis following maternal viraemia during breastfeeding. AIDS 2023; 37:1185-1186. [PMID: 37139658 DOI: 10.1097/qad.0000000000003532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Affiliation(s)
- Emily A Lees
- University of Oxford, Department of Paediatrics, Oxford Children's Hospital, Oxford
- Fitzwilliam College, University of Cambridge, Cambridge
| | - Neil Tickner
- Imperial College Healthcare NHS Trust, St Mary's Hospital, London
| | - Hermione Lyall
- Imperial College Healthcare NHS Trust, St Mary's Hospital, London
| | - Paddy Mcmaster
- Manchester University NHS Foundation Trust, North Manchester General Hospital, Manchester, UK
| | - Birgitte Smith
- Department of Pediatrics, Hvidovre Hospital, Copenhagen University Hospital, Hvidovre, Denmark
| | - Lucy Cliffe
- Nottingham University NHS Foundation Trust, Nottingham Children's Hospital, Nottingham
| | - Graham Taylor
- Imperial College Healthcare NHS Trust, St Mary's Hospital, London
- Department of Retrovirology, Imperial College London, London, UK
| | - Caroline Foster
- Imperial College Healthcare NHS Trust, St Mary's Hospital, London
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10
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Turner RM, Clements MN, Quartagno M, Cornelius V, Cro S, Ford D, Tweed CD, Walker AS, White IR. Practical approaches to Bayesian sample size determination in non-inferiority trials with binary outcomes. Stat Med 2023; 42:1127-1138. [PMID: 36661242 PMCID: PMC7615731 DOI: 10.1002/sim.9661] [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: 08/24/2021] [Revised: 11/24/2022] [Accepted: 12/20/2022] [Indexed: 01/21/2023]
Abstract
Bayesian analysis of a non-inferiority trial is advantageous in allowing direct probability statements to be made about the relative treatment difference rather than relying on an arbitrary and often poorly justified non-inferiority margin. When the primary analysis will be Bayesian, a Bayesian approach to sample size determination will often be appropriate for consistency with the analysis. We demonstrate three Bayesian approaches to choosing sample size for non-inferiority trials with binary outcomes and review their advantages and disadvantages. First, we present a predictive power approach for determining sample size using the probability that the trial will produce a convincing result in the final analysis. Next, we determine sample size by considering the expected posterior probability of non-inferiority in the trial. Finally, we demonstrate a precision-based approach. We apply these methods to a non-inferiority trial in antiretroviral therapy for treatment of HIV-infected children. A predictive power approach would be most accessible in practical settings, because it is analogous to the standard frequentist approach. Sample sizes are larger than with frequentist calculations unless an informative analysis prior is specified, because appropriate allowance is made for uncertainty in the assumed design parameters, ignored in frequentist calculations. An expected posterior probability approach will lead to a smaller sample size and is appropriate when the focus is on estimating posterior probability rather than on testing. A precision-based approach would be useful when sample size is restricted by limits on recruitment or costs, but it would be difficult to decide on sample size using this approach alone.
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Affiliation(s)
| | | | | | - Victoria Cornelius
- Imperial Clinical Trials Unit, School of Public HealthImperial College LondonLondonUK
| | - Suzie Cro
- Imperial Clinical Trials Unit, School of Public HealthImperial College LondonLondonUK
| | - Deborah Ford
- MRC Clinical Trials UnitUniversity College LondonLondonUK
| | - Conor D. Tweed
- MRC Clinical Trials UnitUniversity College LondonLondonUK
| | | | - Ian R. White
- MRC Clinical Trials UnitUniversity College LondonLondonUK
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11
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Lyall H, Côté H, Flynn PM. Days and weeks do matter: a call for testing infants at risk of HIV acquisition at birth. AIDS 2023; 37:545-546. [PMID: 36695365 DOI: 10.1097/qad.0000000000003468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Hermione Lyall
- Department of Paediatrics, Imperial College Healthcare NHS Trust, London, UK
| | - Hélène Côté
- Department of Paediatrics, Imperial College Healthcare NHS Trust, London, UK
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BC, Canada
| | - Patricia M Flynn
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, USA
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12
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Blanche S. Young children still to treat, unfortunately. THE LANCET HIV 2022; 9:e600-e601. [DOI: 10.1016/s2352-3018(22)00199-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 07/04/2022] [Indexed: 11/15/2022]
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