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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03869944
Other study ID # ANRS 12388 PREVENIR-PEV
Secondary ID
Status Active, not recruiting
Phase Phase 2
First received
Last updated
Start date December 4, 2019
Est. completion date March 2022

Study information

Verified date March 2022
Source ANRS, Emerging Infectious Diseases
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The second visit of the Expanded Programme of Immunization when the child is 2 months old (EPI-2) represents a unique opportunity to link the EPI and PMTCT programmes and to introduce preventive and therapeutic rescue interventions in order to 1) Assess the efficacy of the PMTCT cascade up to 2 months postpartum; 2) Allow at least 80% of HIV-1-infected infants identified at the second EPI visit who were not involved in HIV care to initiate ARVs at the earliest, but no later than 2 months after confirmation of HIV diagnosis; 3) Reduce HIV-1 transmission to less than 3% between 2 and 12 months among exposed children who completed the second EPI visit


Description:

The WHO recommendation of lifelong antiretroviral therapy (ART) for all HIV-infected pregnant or breastfeeding women represents a major advance for universal access to HIV care but this strategy alone may not be sufficient to eliminate pediatric HIV in the communities. Presently, the impact of prevention of mother-to-child HIV transmission (PMTCT) programs in the communities is unclear. There is also no available rescue intervention able to identify postpartum women at high risk of transmission in order to offer them adequate HIV care and prevent HIV acquisition by their breastfed infants. We hypothesize that the second visit for routine vaccination (Expanded Program of Immunization visit 2, EPI-2) represents a unique opportunity to link EPI and PMTCT programs and introduce rescue preventive and therapeutic interventions. The study will assess the efficacy of the PMTCT cascade up to 2 months post-partum for all mothers attending the EPI-2 (Component 1). For Component 1, the target population will be all 32,100 women participating in EPI-2 and verbally consenting to participate to evaluate the PMTCT program up to 2 months postpartum. The consent form for component 2 will be proposed to all HIV positive mothers of component 1 who meet the inclusion and non-inclusion criteria. HIV-1 viral load measurement of the mothers and the detection of HIV-1 DNA in their children will be assessed. Children infected with HIV-1 will be referred for immediate ART initiation. For Component 2 - phase IIb trial (N = 300 mother-infant pairs) - the target population will be HIV positive breastfeeding mothers aged 15 years or older with a child whose tests so far do not reveal the existence of infection (at EPI-2 visit) to assess the effectiveness of a rescue intervention for Prevention of Mother-to-Child Transmission of HIV up to 12 months of age. The target population to receive PrEP (lamivudine) until 12 months of age (or until confirmed end of breastfeeding) will be women with unsuppressed HIV-1 infection (≥1000 copies of HIV-1 RNA/ml) with a child whose tests to date (EPI-2 visit) do not reveal the existence of infection. HIV-1 infected women with suppressed (<1000 copies of HIV-1 RNA/ml) viral load at the time of the EPI-2 visit will be followed at 6 and 12 months. If at 6 months the mother become virally unsuppressed, her child will receive ARV medication up to 12 months of age (or the confirmed end of breastfeeding) to prevent infection. The control group does not apply to this study. The overall mother-to-child transmission rate is the WHO target for the elimination of paediatric HIV-1: 5% at one year of life (consistent with a 3% postnatal transmission rate between 2 and 12 months of age of the child).


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 97
Est. completion date March 2022
Est. primary completion date March 2022
Accepts healthy volunteers No
Gender Female
Age group 15 Years and older
Eligibility For HIV+ women who give consent, the measurement of their HIV-1 viral load and the detection of HIV-1 DNA in their children will be assessed. Inclusion Criteria: A mother-child couple will be included in the Phase IIb trial if the child: - is a singleton - is breastfed at about 2 months and the mother intends to continue breastfeeding for at least 4 months (until her child is 6 months old) - has a POC HIV-1 PCR negative test at about 2 months of age - has a mother who: - accompanies him to visit 2 of the EPI - is over 20 years of age or over or is a minor from the age of 15 and is accompanied by a referent adult of his/her choice representing his/her interests (parent, family member or guardian, member of an association, etc.) - has been confirmed to be infected with HIV-1 (with or without HIV-2) - signature of the consent to participate - for the mother signed by herself and a witness (if illiterate) and/or a referent adult (if under 20 years of age) - for the child: consent must be signed by both parents unless the mother exercises parental authority alone or if obtaining the father's consent is likely to endanger the mother and her child. Exclusion Criteria: A mother-child couple will not be included in the Phase IIb trial if the child: - exhibits DAIDS grade 3 or 4 clinical symptoms or biological anomalies for adverse events on the day of inclusion - has a severe congenital malformation - has a known allergy to the study drug or its components - is taking emtricitabine concomitantly - has a mother: - living outside the study area or planning to move from the area within the next 12 months - participating in another clinical trial on the day of inclusion

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Lamivudine Oral Solution
During the EPI-2 visit, HIV-1 negative children of mothers with a unsuppressed plasma HIV-1 VL (= 1000 copies/mL) will be initiated on PrEP, lamivudine syrup (7.5 mg twice daily if 2 to 4 kg; 25 mg twice a day if weight <8 kg; and 50 mg twice a day if weight >8 kg) for 10 months, until the child is 12 months old. A monitoring on the mother's VL and child's diagnosis will take place at 6 and 12 months. Mothers with unsuppressed plasma HIV-1 VL (< 1000 copies/mL) and HIV-1 negative children will not be offered PrEP but the mother's VL and child diagnosis will be monitored at 6 and 12 months: If the VL is = 1000 copies/mL, the child will be initiated on PrEP until the child is 12 months old. Children infected with HIV-1 will be referred to the National Program for immediate ART.

Locations

Country Name City State
Burkina Faso Paulin Fao Bobo-Dioulasso

Sponsors (3)

Lead Sponsor Collaborator
ANRS, Emerging Infectious Diseases Centre Muraz, Institut National de la Santé Et de la Recherche Médicale, France

Country where clinical trial is conducted

Burkina Faso, 

References & Publications (1)

Nagot N, Kankasa C, Tumwine JK, Meda N, Hofmeyr GJ, Vallo R, Mwiya M, Kwagala M, Traore H, Sunday A, Singata M, Siuluta C, Some E, Rutagwera D, Neboua D, Ndeezi G, Jackson D, Maréchal V, Neveu D, Engebretsen IMS, Lombard C, Blanche S, Sommerfelt H, Rekacewicz C, Tylleskär T, Van de Perre P; ANRS 12174 Trial Group. Extended pre-exposure prophylaxis with lopinavir-ritonavir versus lamivudine to prevent HIV-1 transmission through breastfeeding up to 50 weeks in infants in Africa (ANRS 12174): a randomised controlled trial. Lancet. 2016 Feb 6;387(10018):566-573. doi: 10.1016/S0140-6736(15)00984-8. Epub 2015 Nov 19. Erratum in: Lancet. 2019 Jun 22;393(10190):2492. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Prevention of HIV-1 transmission from HIV-1-positive mothers to their breastfeeding children Postnatal HIV-1 transmission rates at 12 months in infants exposed to HIV-1 through breastfeeding. 12 months
Secondary Efficacy of PMTCT cascade - mother Proportion of EPI-2 women who did not attend PMTCT clinic at least once during pregnancy (as per the records in the antenatal care clinics): Proportion who received an HIV-1 test in the three previous months (as per the records in the antenatal care clinics); Proportion of women infected with HIV-1 and Proportion with undetectable plasma viral load (<1000 copies of HIV RNA/mL) (as per the results obtained with the Point of Care HIV-1 PCR Viral Load in the study), Proportion of mothers who started antiretroviral treatment during pregnancy or after delivery (as per the records in the antenatal care clinics) 2 months
Secondary Efficacy of PMTCT cascade - child Proportion of babies with HIV-1 PCR positive (as per the results obtained with the Point of Care HIV-1 PCR Qualitative in the study); Proportion of HIV-1-infected babies engaged in HIV care at 2 months (i.e. initiated on antiretroviral treatment) (as per the data collected at the study sites following diagnosis by Point of Care HIV-1 PCR). 2 months
Secondary Access to ART for HIV-1-positive children Proportion of HIV-infected infants identified at the second EPI visit who were not engaged in HIV care at that time, who will be placed on ART within two months of that visit, or if they are infected during follow-up within two months of diagnosis. 6 months
Secondary Number of Adverse Events Grade 3 and 4 in the prevention of HIV-1 via breastfeeding [Safety of lamivudine] • Adverse event rates at 12 months, including deaths and Grade 3 or 4 events on the pediatric DAIDS scale in uninfected children exposed to HIV 12 months
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