Publications by authors named "Jean-Baptiste Ntakpe"

Article Synopsis
  • People with HIV (PWH) treated for tuberculosis (TB) may develop a condition called TB-associated immune reconstitution inflammatory syndrome (TB-IRIS) after starting antiretroviral therapy (ART), which includes integrase inhibitors like raltegravir and non-nucleoside reverse transcriptase inhibitors like efavirenz.
  • A study analyzed data from the Reflate TB 2 trial, which compared the occurrence of TB-IRIS in PWH receiving either raltegravir or efavirenz-based ART while undergoing standard TB treatment.
  • The results showed that the incidence of TB-IRIS was similar in both ART groups, with 48 participants developing TB-IRIS, and identified risk factors such as low CD4
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Article Synopsis
  • In the Reflate TB2 trial, researchers studied factors linked to virologic success and adherence in people with HIV and tuberculosis receiving raltegravir or efavirenz treatment.
  • Out of 444 participants, 65% achieved virologic success (HIV-1 RNA <50 copies/mL) and maintained adherence (≥95% pill count) over 48 weeks, with several factors influencing these outcomes.
  • Key findings indicated that female sex, lower baseline HIV-1 RNA levels, and optimal adherence were associated with virologic success, while a higher antiretroviral pill burden negatively impacted adherence.
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Background: HIV-1 DNA persists in infected cells, forming viral reservoirs. Pre-antiretroviral treatment (ART) HIV-1 DNA load was reported to predict ART success in European severely immunocompromised patients. The aim of this study was to determine whether HIV-1 DNA levels are associated with virological success in less severely immunocompromised patients who receive early ART in sub-Saharan Africa.

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Objectives: We report the association between pre-antiretroviral therapy (pre-ART) soluble vascular cell adhesion molecule-1 (sVCAM-1) levels and long-term mortality in HIV-infected West African adults participating in a trial of early ART in West Africa (Temprano ANRS 12136 trial).

Methods: The ART-naïve HIV-infected adults were randomly assigned to start ART immediately or defer ART until the WHO criteria were met. Participants who completed the trial follow-up were invited to participate in a post-trial phase (PTP).

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Article Synopsis
  • Early initiation of antiretroviral therapy (ART) in asymptomatic HIV-infected individuals may enhance motivation and compliance, reducing the risk of drug resistance.
  • In the Temprano trial, participants were split into immediate and deferred ART groups, with findings showing that those who deferred had higher rates of virological failure and lower CD4 counts at baseline.
  • Results indicated that starting ART early leads to better virological outcomes and less drug resistance over 30 months, highlighting its significance, especially in regions with limited monitoring resources.
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  • The study focused on HIV-1 controllers in Africa, specifically looking at adults monitored in the Temprano trial who were not on antiretroviral therapy (ART) yet.
  • Out of 1023 participants, 1.8% were classified as HIV-1 controllers, with 0.7% as elite controllers and 1.1% as viremic controllers.
  • These controllers displayed low levels of HIV-1 DNA in their blood, maintained healthy CD4+ cell counts, and had a lower rate of health issues, suggesting a need for more research on whether ART could be unnecessary or even harmful for some individuals.
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Background: In patients co-infected with HIV and tuberculosis, antiretroviral therapy options are limited due to drug-drug interactions with rifampicin. A previous phase 2 trial indicated that raltegravir 400 mg twice a day or efavirenz 600 mg once a day might have similar virological efficacy in patients given rifampicin. In this phase 3 trial, we assessed the non-inferiority of raltegravir to efavirenz.

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Background: Several biomarkers of inflammation and coagulation were reported to be associated with HIV disease progression in different settings. In this article, we report the association between 11 biomarkers and medium-term mortality in HIV-infected West African adults.

Methods: In Temprano ANRS 12136, antiretroviral therapy (ART)-naive HIV-infected adults with high CD4 counts were randomly assigned either to start ART immediately or defer ART until the World Health Organization criteria were met.

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Background: High HIV-1 DNA levels in peripheral blood mononuclear cells (PBMC) were associated with a higher risk of severe morbidity and a faster decline in CD4 count in ART-naive patients. We report the association between HIV-1 DNA and mortality in HIV-infected adults in a trial of early ART in West Africa.

Methods: In the Temprano trial, HIV-infected adults were randomly assigned to start ART immediately or defer ART.

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We here report the case of a 35-year old man with HIV-1 but with no previous medical-surgical history hospitalized in Abidjan, Côte d'Ivoire, due to fever, cough, dyspnea, chest pain and unfolding of the aortic arch observed on chest x-ray a week after having started antiretroviral therapy (ART). CT angiography of the thoracic aorta showed overall, extended aortic ectasia with mural thrombus. Transesophageal echocardiography objectified type A ascending aortic dissection (Stanford classification).

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Background: Temprano ANRS 12136 was a factorial 2 × 2 trial that assessed the benefits of early antiretroviral therapy (ART; ie, in patients who had not reached the CD4 cell count threshold used to recommend starting ART, as per the WHO guidelines that were the standard during the study period) and 6-month isoniazid preventive therapy (IPT) in HIV-infected adults in Côte d'Ivoire. Early ART and IPT were shown to independently reduce the risk of severe morbidity at 30 months. Here, we present the efficacy of IPT in reducing mortality from the long-term follow-up of Temprano.

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Background: In human immunodeficiency virus (HIV)-infected patients, hepatitis B virus (HBV) coinfection increases the risk of disease progression. Tenofovir plus emtricitabine/lamivudine (TDF/XTC)-based antiretroviral therapy (ART), which suppresses HIV and HBV replication, has the potential for decreasing this risk. Here, we analyze the association between HBV replication, early ART, and mortality in West African adults.

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Article Synopsis
  • * The study included 2,056 participants, mostly women with an average age of 35, finding strong correlation between CVR scores estimated by BMI and lipids, and observed a slight increase in high CV risk scores over time, especially among women.
  • * Despite the observed increase in risk scores, early initiation of antiretroviral treatment (ART) did not significantly influence CVR score changes, indicating that other factors may play a larger role in cardiovascular risk among this population.
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After a period where it was recommended to start antiretroviral therapy (ART) early, the CD4 threshold for treating asymptomatic adults dropped to 200/mm(3) at the beginning of the 2000s. This was mostly due to a great prudence with regards to drug toxicity. The ART-start CD4 threshold in most international guidelines was then raised to 350/mm(3) in 2006-2009 and to 500/mm(3) in 2009-2013.

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Background: HIV is usually associated with weight loss. World health Organization (WHO) recommends early antiretroviral (ART) initiation, but data on the progression of body mass index (BMI) in participants initiating early ART in Africa are scarce.

Methods: The Temprano randomized trial was conducted in Abidjan to assess the effectiveness of early ART and Isoniazid (INH) prophylaxis for tuberculosis in HIV-infected persons with high CD4 counts below 800 cells/mm(3) without any indication for starting ART.

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Background: In sub-Saharan Africa, the burden of human immunodeficiency virus (HIV)-associated tuberculosis is high. We conducted a trial with a 2-by-2 factorial design to assess the benefits of early antiretroviral therapy (ART), 6-month isoniazid preventive therapy (IPT), or both among HIV-infected adults with high CD4+ cell counts in Ivory Coast.

Methods: We included participants who had HIV type 1 infection and a CD4+ count of less than 800 cells per cubic millimeter and who met no criteria for starting ART according to World Health Organization (WHO) guidelines.

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Objective: To assess the performance of QuantiFERON-TB Gold In-Tube (QFT-GIT) test for active tuberculosis (TB) in HIV adults, and its variation over time in patients on antiretroviral therapy (ART) and/or isoniazide preventive therapy (IPT).

Methods: Transversal study and cohort nested in the Temprano ANRS 12136 randomized controlled trial assessing benefits of initiating ART earlier than currently recommended by World Health Organization, with or without a 6-month IPT. Performance of QFT-GIT for detecting active TB at baseline in the first 50% participants, and 12-month incidence of conversion/reversion in the first 25% participants were assessed.

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Introduction: Whether early antiretroviral therapy (ART) initiation could impact sexual risk behaviours remains to be documented. We aimed to investigate changes in sexual behaviours within the 24 months following an early versus standard ART initiation in HIV-positive adults with high CD4 counts.

Methods: We used data from a prospective behavioural study nested in a randomized controlled trial of early ART (Temprano-ANRS12136).

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To evaluate the implication of WHO guidelines for serodiscordant couples, we interviewed HIV-infected adults on their partner's serostatus. We found that 12% with more than 500 CD4+ cells/μl should be recommended antiretroviral treatment (ART) because their partner was seronegative; 24% could be recommended not to start ART because their partner was seropositive; and 64% could not be given any recommendation regarding ART early initiation because they had either no stable partnership (30%) or were in a stable partnership with a partner whose status they were not aware of (34%).

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