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Zizioli D, Quiros-Roldan E, Ferretti S, Mignani L, Tiecco G, Monti E, Castelli F, Zanella I. Dolutegravir and Folic Acid Interaction during Neural System Development in Zebrafish Embryos. Int J Mol Sci 2024; 25:4640. [PMID: 38731859 PMCID: PMC11083492 DOI: 10.3390/ijms25094640] [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: 02/20/2024] [Revised: 04/04/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
Dolutegravir (DTG) is one of the most prescribed antiretroviral drugs for treating people with HIV infection, including women of child-bearing potential or pregnant. Nonetheless, neuropsychiatric symptoms are frequently reported. Early reports suggested that, probably in relation to folic acid (FA) shortage, DTG may induce neural tube defects in infants born to women taking the drug during pregnancy. Subsequent reports did not definitively confirm these findings. Recent studies in animal models have highlighted the association between DTG exposure in utero and congenital anomalies, and an increased risk of neurologic abnormalities in children exposed during in utero life has been reported. Underlying mechanisms for DTG-related neurologic symptoms and congenital anomalies are not fully understood. We aimed to deepen our knowledge on the neurodevelopmental effects of DTG exposure and further explore the protective role of FA by the use of zebrafish embryos. We treated embryos at 4 and up to 144 h post fertilization (hpf) with a subtherapeutic DTG concentration (1 μM) and observed the disruption of the anterior-posterior axis and several morphological malformations in the developing brain that were both prevented by pre-exposure (2 hpf) and rescued by post-exposure (10 hpf) with FA. By whole-mount in situ hybridization with riboprobes for genes that are crucial during the early phases of neurodevelopment (ntl, pax2a, ngn1, neurod1) and by in vivo visualization of the transgenic Tg(ngn1:EGFP) zebrafish line, we found that DTG induced severe neurodevelopmental defects over time in most regions of the nervous system (notochord, midbrain-hindbrain boundary, eye, forebrain, midbrain, hindbrain, spinal cord) that were mostly but not completely rescued by FA supplementation. Of note, we observed the disruption of ngn1 expression in the dopaminergic regions of the developing forebrain, spinal cord neurons and spinal motor neuron projections, with the depletion of the tyrosine hydroxylase (TH)+ dopaminergic neurons of the dorsal diencephalon and the strong reduction in larvae locomotion. Our study further supports previous evidence that DTG can interfere with FA pathways in the developing brain but also provides new insights regarding the mechanisms involved in the increased risk of DTG-associated fetal neurodevelopmental defects and adverse neurologic outcomes in in utero exposed children, suggesting the impairment of dopaminergic pathways.
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Affiliation(s)
- Daniela Zizioli
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (D.Z.); (S.F.); (L.M.); (E.M.); (I.Z.)
| | - Eugenia Quiros-Roldan
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy; (G.T.); (F.C.)
| | - Sara Ferretti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (D.Z.); (S.F.); (L.M.); (E.M.); (I.Z.)
| | - Luca Mignani
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (D.Z.); (S.F.); (L.M.); (E.M.); (I.Z.)
| | - Giorgio Tiecco
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy; (G.T.); (F.C.)
| | - Eugenio Monti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (D.Z.); (S.F.); (L.M.); (E.M.); (I.Z.)
| | - Francesco Castelli
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy; (G.T.); (F.C.)
| | - Isabella Zanella
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (D.Z.); (S.F.); (L.M.); (E.M.); (I.Z.)
- Cytogenetics and Molecular Genetics Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, 25123 Brescia, Italy
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Grau S, Miró JM, Olalla J, Alcalá JC, Castro A, Rubio-Rodríguez D, Rubio-Terrés C. Comparison of the design and methodology of Phase 3 clinical trials of bictegravir/emtricitabine/tenofovir alafenamide (BIC/FTC/TAF) and dolutegravir-based dual therapy (DTG) in HIV: a systematic review of the literature. Expert Rev Anti Infect Ther 2023; 21:65-76. [PMID: 36399521 DOI: 10.1080/14787210.2023.2149490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Current recommended antiretroviral regimens include a combination of two (dual; DT) or three (triple; TT) antiretroviral drugs. This study aims to determine whether the quality of evidence from clinical trials of dolutegravir (dolutegravir/lamivudine [DTG/3TC] or dolutegravir/rilpivirine [DTG/RPV]) is methodologically comparable to that of clinical trials conducted with bictegravir/emtricitabine/tenofovir alafenamide (BIC/FTC/TAF). AREAS COVERED A systematic review of the medical literature was carried out in PubMed without date or language restrictions, following the PRISMA guidelines. All aspects of the methodological design of phase 3 randomized clinical trials (RCTs) of DT and TT, evaluated by the European Medicines Agency (registration trials), were reviewed. The quality of clinical trials was assessed using the Jadad scale. EXPERT OPINION The search identified 5, 3 and 2 phase 3 RCTs with BIC/FTC/TAF, DTG/3TC and DTG/RPV, respectively, that met the inclusion criteria. The designs would not be comparable due to differences in pre-randomization losses, blinding, patient recruitment, as well as differences in methodological quality, with the average score of the RCTs conducted with BIC/FTC/TAF, DTG/3TC and DTG/RPV being 4.2 (high quality), 3.0 (medium quality) and 3.0 (medium quality), respectively. Due to methodological differences between the BIC/FTC/TAF, DTG/3TC and DTG/RPV RCTs, the results of these are not comparable.
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Affiliation(s)
- Santiago Grau
- Pharmacy Department, Hospital Del Mar, Barcelona, Spain
| | - Jose Maria Miró
- Department of Infectious Diseases, Hospital Clinic-IDIBAPS, University of Barcelona, Barcelona, Spain.,CIBERINFEC, Instituto de Salud Carlos III, Madrid, Spain
| | - Julian Olalla
- Internal Medicine Department, Hospital Costa Del Sol, Marbella, Spain
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Koay WLA, Xiao J, Temprosa M, Happ LP, Monroe AK, Castel AD, Rakhmanina NY, Kharfen M, Talwalkar A, Serlin M, Kumar P, Bhandaru V, Bezabeh T, Grover N, Mele L, Reamer S, Sapozhnikova A, Strylewicz G, Barth S, Byrne M, Greenberg A, Jaurretche M, Kulie P, Peterson J, Stewart B, Wilbourn B, Ma Y, Akselrod H, Gajjala JL, Rana S, Horberg M, Fernandez R, Hebou A, Taylor D, Dieffenbach C, Masur H, Bordon J, Teferi G, Benator D, Ruiz ME, Abbott S. Short Communication:Outcomes of Dual Versus Triple Antiretroviral Drug Regimens Among Virally Suppressed Adults in the DC Cohort. AIDS Res Hum Retroviruses 2022; 38:451-454. [PMID: 35352966 PMCID: PMC9225828 DOI: 10.1089/aid.2021.0202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This study explored virological outcomes of two-drug (2DRs) and three-drug (3DRs) antiretroviral regimens in adults with HIV in the DC Cohort. We analyzed 310 treatment-experienced adults with sustained HIV RNA ≤50 copies/mL at baseline, 53 of whom switched to 2DRs and 257 continued 3DRs. Adults on 2DRs and 3DRs had similar demographics (median age 53.3 years, 76.8% cisgender male, 76.1% Black). Adults on 2DRs had more participants with ≥2 comorbidities (62.3% vs. 42.8%, p = .019), had a longer time since HIV diagnosis (median years 20.4 vs. 13.2, p = .017), and received the regimen of interest for a shorter duration (median years 1.3 vs. 3.3, p < .001) compared with adults on 3DRs. Adults receiving 2DRs had a higher, although nonsignificant, risk for virological failure (two consecutive HIV RNA ≥50 copies/mL) at 24 months follow-up than adults on 3DRs (6.7% vs. 1.7%, respectively; p = .10). Future analysis of the effectiveness of 2DRs is needed.
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Affiliation(s)
- Wei Li Adeline Koay
- Division of Infectious Diseases, Children's National Hospital, Washington, District of Columbia, USA.,Department of Pediatrics, School of Medicine and Health Sciences, The George Washington University, Washington, District of Columbia, USA
| | - Jiayang Xiao
- Department of Biostatistics and Bioinformatics and Milken Institute School of Public Health, The George Washington University, Washington, District of Columbia, USA
| | - Marinella Temprosa
- Department of Biostatistics and Bioinformatics and Milken Institute School of Public Health, The George Washington University, Washington, District of Columbia, USA
| | - Lindsey P Happ
- Department of Epidemiology, Milken Institute School of Public Health, The George Washington University, Washington, District of Columbia, USA
| | - Anne K Monroe
- Department of Epidemiology, Milken Institute School of Public Health, The George Washington University, Washington, District of Columbia, USA
| | - Amanda D Castel
- Department of Epidemiology, Milken Institute School of Public Health, The George Washington University, Washington, District of Columbia, USA
| | - Natella Y Rakhmanina
- Division of Infectious Diseases, Children's National Hospital, Washington, District of Columbia, USA.,Department of Pediatrics, School of Medicine and Health Sciences, The George Washington University, Washington, District of Columbia, USA.,Elizabeth Glaser Pediatric AIDS Foundation, Washington, District of Columbia, USA
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Genotoxicity assessment of potentially mutagenic nucleoside analogues using ToxTracker®. Toxicol Lett 2022; 362:50-58. [DOI: 10.1016/j.toxlet.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/08/2022] [Accepted: 04/20/2022] [Indexed: 11/16/2022]
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Shorter Time to Discontinuation Due to Treatment Failure in People Living with HIV Switched to Dolutegravir Plus Either Rilpivirine or Lamivudine Compared with Integrase Inhibitor-Based Triple Therapy in a Large Spanish Cohort. Infect Dis Ther 2022; 11:1177-1192. [PMID: 35399147 PMCID: PMC9124284 DOI: 10.1007/s40121-022-00630-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 03/18/2022] [Indexed: 11/27/2022] Open
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