- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT01192035
PI or NNRTI as First-line Treatment of HIV in West Africa - the PIONA Trial (PIONA)
PI or NNRTI as First-line Treatment of HIV in a West African Population With Low Adherence - the PIONA Trial
BACKGROUND: Since 1996 the combination of three or more drugs has been the mainstay of human immunodeficiency virus (HIV) treatment. The most important types of drugs are called nucleotide reverse transcriptase inhibitors (NRTIs), non-nucleotide reverse transcriptase inhibitors (NNRTIs) and protease inhibitors (PIs) Response to treatment is measured as increasing CD4+ cell count and decreasing HIV viral load. A major problem is the development of resistance. NNRTIs are recommended as part of first-line treatment of HIV in Africa but many Africans have a slower NNRTI clearance than Caucasians making them more susceptible for development of resistance in case of treatment interruptions. PIs might therefore be a better option in an African setting with low adherence.
AIM: To evaluate two different treatment regimens in HIV-1 infected patients:
A) A NNRTI (efavirenz/nevirapine) based regimen and B) A PI (ritonavir-boosted lopinavir) based regimen with regard to treatment outcomes. HYPOTHESIS: Treatment with a PI will be superior to treatment with a NNRTI due to less development of resistance.
METHODS: Treatment-naïve adult HIV-1 patients enrolled in an existing cohort The West African Retrovirus and Acquired Immune Deficiency (WARAID) cohort in Guinea Bissau with CD4+ cell count ≤ 350 cells/µL and/or clinical signs of immune suppression (World Health Organization (WHO) clinical stage 3 or 4) will be randomised 1:1 to: Treatment A: 2 NRTIs (lamivudine and either zidovudine or stavudine) and 1 NNRTI (efavirenz or nevirapine) or Treatment B: 2 NRTIs (same as in treatment A) and 1 PI (ritonavir-boosted lopinavir). Primary outcome: Viral load suppression <400 copies/ml 12 months after enrolment.
PERSPECTIVES: Guidelines for treatment of HIV in Africa are more or less a copy of the guidelines used in Europe and North America. Genetic differences in pharmacokinetics, more women infected in Africa and difficulties ensuring good adherence mean that results obtained from Caucasian patients are not directly transferrable to African patients. The results of this study will hopefully help guiding the treatment of HIV in Africa in the future. The investigators believe the HIV infected people in West Africa deserve the same evidence-based medicine as in developed countries.
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Tipo di studio
Iscrizione (Effettivo)
Fase
- Fase 4
Contatti e Sedi
Luoghi di studio
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-
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Bissau, Guinea Bissau
- Centro de Tratamento Ambulatoria do Hospital Nacional Simão Mendes
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Antiretroviral treatment (ART) naïve HIV-1 infected patients. Women receiving ART during pregnancy can be included.
- Age ≥ 18 years
- CD4+ cell count ≤ 350 cells/µL and/or
- Clinical signs of immune suppression (WHO clinical stage 3 or 4) irrespective of CD4+ cell count.
Exclusion Criteria:
- Tuberculosis (TB) treatment with rifampicin at the time of enrolment.
- Co-infection with HIV-2.
- Grade 3 or 4 alanine transaminase (ALAT) elevation (>5 times upper normal limit).
- Patients with cerebral disturbances that complicates the ability to give informed consent or follow the treatment regime.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Comparatore attivo: NNRTI
|
2 NRTIs (lamivudine 150 mg "bis in die - twice a day" (BID) and either zidovudine 300 mg BID if hemoglobin is ≥ 8 g/L or stavudine 30 mg BID if hemoglobin is < 8 g/L) and 1 NNRTI (efavirenz 600 mg "omne in die - once daily" (OD) or nevirapine 200 mg OD for the first 2 weeks and after that 200 mg BID).
Efavirenz will be used in all male patients according to national HIV guidelines.
Pregnant patients and female patients with a child bearing potential will be treated with nevirapine if CD4+ cell count is ≤ 350 cells/mm3 with close monitoring of liver enzymes during the first 12 weeks in patients with CD4+ cell count >250 cells/mm3.
Females beyond childbearing age will be treated with efavirenz.
Altri nomi:
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Comparatore attivo: Protease inhibitor
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2 NRTIs (lamivudine 150 mg BID and either zidovudine 300 mg BID if hemoglobin is ≥ 8 g/L or stavudine 30 mg BID if hemoglobin is < 8 g/L) and 1 PI (ritonavir-boosted lopinavir 400/100 mg BID).
Altri nomi:
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Lasso di tempo |
|---|---|
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Fraction of patients with viral load suppression <400 copies/ml
Lasso di tempo: 12 months after enrolment
|
12 months after enrolment
|
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Fraction of patients with viral load suppression <50 copies/ml
Lasso di tempo: 12 months after enrolment
|
12 months after enrolment
|
|
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Increment of CD4+ cell count of at least 100 cells/µL
Lasso di tempo: 12 months after enrolment
|
12 months after enrolment
|
|
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Development of ≥1 resistance mutations involving the treatment regimens used in patients with viral load >400 copies/ml
Lasso di tempo: 12 months after enrolment
|
12 months after enrolment
|
|
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Frequency of adverse events and severe adverse events
Lasso di tempo: Within 12 months
|
Within 12 months
|
|
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Compliance.
Lasso di tempo: Within 12 months
|
Compliance defined as the actual amount of medicine taken compared to the planned amount for the same treatment period.
A pill count is carried out at each visit.
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Within 12 months
|
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Incidence of tuberculosis.
Lasso di tempo: Within 12 months
|
Within 12 months
|
|
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Death.
Lasso di tempo: Within 12 months
|
Death at 12 month follow-up.
Any patient lost to follow-up will be attempted visited at home by a field assistant 1 month after latest visit due.
Information on patient death from family or neighbors will be recorded as a mortality event and a verbal autopsy conducted.
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Within 12 months
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Weight
Lasso di tempo: Within 12 months
|
Increase in body mass index (BMI) and frequency of severe weight loss (>10% of presumed or measured body weight).
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Within 12 months
|
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Plasma cytokine levels
Lasso di tempo: Within 12 months
|
Within 12 months
|
Collaboratori e investigatori
Sponsor
Collaboratori
Investigatori
- Investigatore principale: Sanne Jespersen, MD, Aarhus University Hospital Skejby
- Direttore dello studio: Alex L Laursen, MD, DMSc, Aarhus University Hospital Skejby
- Direttore dello studio: Lars Oestergaard, Prof MD DMSc, Aarhus University Hospital Skejby
- Cattedra di studio: Christian Wejse, MD, PhD, Aarhus University Hospital Skejby
Pubblicazioni e link utili
Studiare le date dei record
Studia le date principali
Inizio studio
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 (Stima)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Stima)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
- Meccanismi molecolari dell'azione farmacologica
- Agenti antinfettivi
- Agenti antivirali
- Inibitori della trascrittasi inversa
- Inibitori della sintesi degli acidi nucleici
- Inibitori enzimatici
- Agenti anti-HIV
- Agenti antiretrovirali
- Inibitori della proteasi
- Inibitori del citocromo P-450 CYP3A
- Inibitori dell'enzima del citocromo P-450
- Induttori enzimatici del citocromo P-450
- Induttori del citocromo P-450 CYP3A
- Inibitori della proteasi dell'HIV
- Inibitori virali della proteasi
- Induttori del citocromo P-450 CYP2B6
- Inibitori del citocromo P-450 CYP2C9
- Inibitori del citocromo P-450 CYP2C19
- Nevirapina
- Ritonavir
- Lopinavir
- Efavirenz
Altri numeri di identificazione dello studio
- 11/CNES/2010
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 .
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