- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07618507
Resistance Profile to Antiretroviral Medications in Individuals Living With HIV Who Failed a First-Line Regimen With Tenofovir / Lamivudina and Dolutegravir in Brasil (ARDOL)
The goal of this study is to understand the profile of individuals who demonstrate transmitted drug resistance to Dolutegravir (DTG) among PLHIV in Brazil in terms of the subtypes of virus and other individual characteristics after 24 weeks of treatment with a regimen of DTG, Tenofovir, and Lamivudine (TL+D). The study also seeks to determine what alterations occur in the 3'-PPT region of the HIV virus in patients with failing the TL+D regimen.
The test group will be compared to a control group of individuals randomly selected whose viral control remains below detection limit (50 copies/mL) for 24 weeks after the initiation of treatment. The study uses clinics in cities in each of the five regions of Brazil: South region (Porto Alegre, Viamão), Southeast region (São Paulo, Santos, Guarujá), Northeast region (Salvador), Center West region (Brasília), and the North region (Manaus). Porto Alegre and Viamão are of interest because of the strong presence of subtype C in the South region. Salvador is a focus for subtype F of HIV. Finally, in Santos there is a strong presence of recombinant forms of subtypes F and B. These non-B subtypes are important to the study as they are typical of other medium and low income countries.
The plan for the study includes 200 cases who will receive the TL+D medication for 24 weeks (50 in each region) and 400 controls again spread among the regions on a 1 (case): 2(control ratio.
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
In November 2018, 170,000 individuals were receiving Dolutegravir through the public health system. It is a public health priority to evaluate the risk of virological failure and the subsequent development of resistance to integrase inhibitors in our setting. It has recently been shown that, in addition to resistance mutations in the integrase region of the pol gene, mutations in the 3'-PPT region (nef gene) also emerge and contribute to decreased susceptibility to Dolutegravir. The objectives of this work are to investigate the influence of transmitted antiretroviral resistance, the profile of HIV subtypes, and immunological and virological characteristics among individuals who failed first-line treatment with Tenofovir/Lamivudine and Dolutegravir (TL+D) after 24 weeks of treatment in Brazil. We also seek to determine the genotypic resistance profile among individuals who failed the first-line TL+D regimen after 24 weeks of treatment in Brazil. To determine what alterations in the 3'-PPT are observed in viruses from patients failing TL+D and to assess if this new resistance pathway contributes to acquired resistance to the drug in clinical practice.
This is a nested case-control prospective study comparing in a 2:1 ratio the baseline HIV-1 genotypic profile of individuals with virological failure on the TL+D regimen after 24 weeks of treatment (cases) to randomly selected individuals with viral control with viral load below the detection limits of 50 copies/mL, 24 weeks after treatment initiation (controls).
HYPOTHESIS: The central hypothesis is that transmitted drug resistance (TDR) may be associated with and contribute to virological failure with dolutegravir (DTG) in clinical practice. To test this central hypothesis, we will identify DTG-containing regimens with failure in people living with HIV in Brazil, a model country for large-scale DTG implementation, where multiple HIV subtypes cocirculate.
PRIMARY RESEARCH OBJECTIVE:
- Investigate the influence of transmitted drug resistance, the profile of HIV subtypes, and immunological and virological characteristics among individuals who failed the first-line TL+D regimen after 24 weeks of treatment in Brazil.
- Determine the genotypic resistance profile among individuals who failed first-line TL+D after 24 weeks of treatment in Brazil.
- Determine what alterations in the 3'-PPT are observed in viruses from patients failing TL+D and assess if this new resistance pathway contributes to acquired drug resistance in clinical practice.
RISK AND BENEFIT ASSESSMENT:
RISKS: The risks associated with this study include discomfort at the needle puncture site for blood draws or the possible appearance of a bruise. Discomfort or occasional bruising occur with the same frequency as any blood draw for exams that a patient is already accustomed to.
BENEFITS: Patients will receive no direct benefit from participation in this study. The resistance tests performed may eventually help in selecting more effective antiretroviral drugs if treatment is not fully effective in controlling the HIV in the body. There will be no financial costs or compensation for participation in this study.
Tipo di studio
Iscrizione (Effettivo)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
-
-
Amazonas
-
Manaus, Amazonas, Brasile, 69040-000
- Fundação de Medicina Tropical Doutor Heitor Vieira Dourado
-
-
Estado de Bahia
-
Salvador, Estado de Bahia, Brasile, 40100-160
- Centro Estadual Especializado em Diagnóstico, Assistência e Pesquisa (CEDAP)
-
-
Federal District
-
Brasília, Federal District, Brasile, 70351-580
- Centro Especializado em Doenças Infecciosas (CEDIN-DF)
-
-
Rio Grande do Sul
-
Porto Alegre, Rio Grande do Sul, Brasile, 91350-200
- Hospital Nossa Senhora da Conceição
-
Porto Alegre, Rio Grande do Sul, Brasile, 90040-000
- LADI - Laboratório de Apoio Diagnóstico em Infectologia (Hospital Universitário Miguel Riet Corrêa Jr)
-
Viamão, Rio Grande do Sul, Brasile, 94480-560
- Serviço Especializado em IST/HIV/AIDS Viamão
-
-
São Paulo
-
Guarujá, São Paulo, Brasile, 11471-000
- Unidade de Infectologia William Rocha
-
São Paulo, São Paulo, Brasile, 08270-070
- Hospital Santa Marcelina
-
São Paulo, São Paulo, Brasile, 04039-032
- Retrovirology Laboratory - UNIFESP
-
-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
Age between 18 and 70 ART therapy naive
Exclusion Criteria:
Resistant to reverse transcriptase inhibitor drugs (NRTI)
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione fattoriale
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Comparatore attivo: TL+D
TL+D regimen of antiretroviral drugs for 24 weeks
|
Patients will receive the Tenofovir/Lamiduvine NRTI drugs along with the Dolutegravir for 24 weeks.
|
|
Nessun intervento: Control
Individuals chosen who have not failed an HIV drug regimen
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Prevalence of TDR
Lasso di tempo: 3 months
|
Comparative analysis of transmitted drug resistance between arms of the study
|
3 months
|
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Distribution of subtypes among regions
Lasso di tempo: 4 months
|
The distribution of subtypes in the five regions of Brazil in light of existence or not of TDR
|
4 months
|
|
Sequence of 3'-PPT region of NEF
Lasso di tempo: 6 months
|
Comparison of the sequence of the 3'-PPT region of the NEF gene related to the existence of TDR, subtype and region
|
6 months
|
|
Viral Load
Lasso di tempo: 6 months
|
Descriptive analysis of viral load for cases and controls at baseline, week 12 and week 24, including comparison related to presence of TDR and subtypes
|
6 months
|
|
CD4+ Levels
Lasso di tempo: 6 months
|
Analysis of CD4+ levels at baseline, week 12 and week 24 in relation to presence of TDR, subtype and region
|
6 months
|
Collaboratori e investigatori
Sponsor
Collaboratori
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Effettivo)
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Altri numeri di identificazione dello studio
- SPARC-10
Piano per i dati dei singoli partecipanti (IPD)
Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?
Descrizione del piano IPD
Periodo di condivisione IPD
Criteri di accesso alla condivisione IPD
Tipo di informazioni di supporto alla condivisione IPD
- STUDIO_PROTOCOLLO
- LINFA
- ICF
- CODICE_ANALITICO
- RSI
Informazioni su farmaci e dispositivi, documenti di studio
Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti
Studia un dispositivo regolamentato dalla FDA degli Stati Uniti
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
Prove cliniche su HIV
-
University of MinnesotaRitiratoInfezioni da HIV | HIV/AIDS | HIV | AIDS | Problema di Aids/Hiv | AIDS e infezioniStati Uniti
-
National Institute of Allergy and Infectious Diseases...Duke University; Department of Health and Human Services (HHS)Non ancora reclutamento
-
Jecho Biopharmaceuticals Co., Ltd.Non ancora reclutamento
-
Boston UniversityBill and Melinda Gates Foundation; HE2RO, University of the WitwatersrandReclutamento
-
National Institute of Allergy and Infectious Diseases...National Institutes of Health (NIH); Department of Health and Human ServicesReclutamento
-
University of California, Los AngelesNational Institute of Mental Health (NIMH); Partners in Hope, Inc.Reclutamento
-
Kelley-Ross & Associates, Inc.Gilead SciencesAttivo, non reclutante
-
RTI InternationalNational Institute of Mental Health (NIMH); University of Washington; MU-JHU CAREReclutamento
-
University of Cape TownUniversity of Pennsylvania; University of Witwatersrand, South AfricaNon ancora reclutamento
Prove cliniche su TL+D antiretroviral
-
HealthTech Wound CareReclutamentoUlcera del piede diabetico (DFU) | Ulcera venosa della gamba (VLU)Stati Uniti
-
TrueLab Biopharmaceutical Co., LtdSAPRO Consulting Pty LtdReclutamento
-
Telios Pharma, Inc.ReclutamentoCongiuntivite allergicaStati Uniti
-
TrueLab Biopharmaceutical Co., LtdTigermed Australia Pty LtdNon ancora reclutamento
-
West Virginia UniversityCompletatoDolore muscoloscheletrico | Stile di vita sedentario | Sforzo muscoloscheletricoStati Uniti
-
Teligene USReclutamentoTumore solidoStati Uniti, Cina
-
Jin Chen-jinCompletatoCorioretinopatia sierosa centrale acutaCina
-
Ovation FertilityCompletato
-
Kartos Therapeutics, Inc.ReclutamentoMielofibrosi primaria (PMF) | Mielofibrosi post-policitemia vera (Post-PV-MF) | Mielofibrosi Post-Trombocitemia Essenziale (Post-ET-MF)Stati Uniti, Messico, Bulgaria, Polonia, Federazione Russa, Bielorussia, Georgia, Sud Africa, Ucraina
-
National Health Research Institutes, TaiwanNational Taiwan University Hospital; Chang Gung Memorial Hospital; Kaohsiung Medical... e altri collaboratoriCompletatoCarcinomi neuroendocriniTaiwan