Latency and Early Neonatal Provision of Antiretroviral Drugs Clinical Trial (LEOPARD)
The investigators propose a non-randomized clinical trial of 60 HIV-infected infants identified within 48 hours of birth and their mothers to investigate the consequences of very early ART on the establishment and maintenance of the viral reservoir.
The first phase (early ART initiation within 48 hours of birth) will examine the trajectory i.e. changes over time of the viral reservoir and detection of HIV-specific antibody responses in infants testing HIV-positive within 48 hours of birth and initiating early ART.
Secondary pathogenesis aims will test whether markers of neonatal immune quiescence are associated with the extent of seeding and rate of decline of the viral reservoir when ART is started at a young age and investigate whether markers in infant stool samples can be used as a non-invasive method of defining relevant immune and HIV-specific parameters associated with viral reservoir size.
The investigators hypothesize that developmental characteristics of newborn immunity may make this period the optimal time to begin ART and influence the seeding of the viral reservoir.
연구 개요
상세 설명
연구 유형
등록 (실제)
단계
- 4단계
연락처 및 위치
연구 장소
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Gauteng
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Johannesburg, Gauteng, 남아프리카
- Rahima Moosa Mother and Child Hospital
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Point of care (POC) or laboratory-based test positive on a sample collected within 48 hours of birth.
- Mother willing and able to provide informed consent.
Exclusion Criteria:
- Expressed intention to leave the Johannesburg area permanently.
- Co-morbidities, birth defects or other conditions which in the opinion of the clinical team have a greater than 50% risk of mortality in the first days of life.
- Co-morbidities or conditions which in the opinion of the clinical team advise against initiation of ART within the first 48 hours of life.
- Active (uncontrolled) maternal psychiatric illness.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 해당 없음
- 중재 모델: 단일 그룹 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
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실험적: Early ART
All infants enrolled in the trial, regardless of maternal PMTCT regimen, will be initiated on a triple ARV regimen consisting of nevirapine (NVP), zidovudine (ZDV) and lamivudine (3TC) presumptively based on the initial positive result.
This regimen will be continued to 42 weeks post menstrual age (PMA).
At this time, infants will be switched to LPV/r, ZDV and 3TC to be continued to 104 weeks or longer unless otherwise preferred by the treating clinician or if any clinical or laboratory contraindications are identified.
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Standard medication used to treat and prevent HIV/AIDS, specifically HIV-1. It is generally recommended for use with other antiretroviral medication. The initial dose of NVP will be 6 mg per kg per dose orally twice daily until 42 weeks gestational age (2 weeks of age for infants born at term) which is the dosing selected by the NIH International Maternal, Pediatric, Adolescent AIDS Clinical Trials (IMPAACT) Network.
다른 이름들:
An antiretroviral medication used to prevent and treat HIV/AIDS. It is generally recommended for use with other antiretroviral. ZDV will be dosed as per standard guideline and routine practices.
다른 이름들:
An antiretroviral medication used to prevent and treat HIV/AIDS. It is effective against both HIV-1 and HIV-2. 3TC will be dosed as per standard guideline and routine practices.
다른 이름들:
Lopinavir is an antiretroviral of the protease inhibitor class. It is used against HIV infections as a fixed-dose combination with another protease inhibitor, ritonavir. LPV/r will be dosed as per standard guideline and routine practices.
다른 이름들:
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Percent of patients with initial viral suppression
기간: 24 weeks
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Suppression is defined as patients with plasma HIV RNA <50 copies/mL.
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24 weeks
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Percent of patients maintaining viral suppression
기간: Between 24 and104 weeks
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Suppression is defined as patients with plasma HIV RNA <50 copies/mL.
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Between 24 and104 weeks
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Prevalence of CD4 percentage greater than 30
기간: By 24 weeks and sustained through 104 weeks
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Patients that reached a normal CD4% level.
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By 24 weeks and sustained through 104 weeks
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Prevalence of growth along curve within one standard deviation or upward trend
기간: Up to 104 weeks
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By comparing viral growth curves.
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Up to 104 weeks
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Prevalence of detection of specific HIV antibody classes
기간: 24 and 104 weeks
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HIV antibody detection
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24 and 104 weeks
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Size of the viral reservoir (copies/million cell)
기간: Up to 104 weeks
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Quantification of viral reservoir
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Up to 104 weeks
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공동 작업자 및 조사자
간행물 및 유용한 링크
일반 간행물
- Kuhn L, Paximadis M, Da Costa Dias B, Shen Y, Mncube S, Strehlau R, Shiau S, Patel F, Burke M, Technau KG, Sherman G, Loubser S, Abrams EJ, Tiemessen CT. Predictors of Cell-Associated Human Immunodeficiency Virus (HIV)-1 DNA Over 1 Year in Very Early Treated Infants. Clin Infect Dis. 2022 Mar 23;74(6):1047-1054. doi: 10.1093/cid/ciab586.
- Kuhn L, Strehlau R, Shiau S, Patel F, Shen Y, Technau KG, Burke M, Sherman G, Coovadia A, Aldrovandi GM, Hazra R, Tsai WY, Tiemessen CT, Abrams EJ; LEOPARD Study Team. Early antiretroviral treatment of infants to attain HIV remission. EClinicalMedicine. 2020 Jan 7;18:100241. doi: 10.1016/j.eclinm.2019.100241. eCollection 2020 Jan.
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
- AAAO5011
- U01HD080441 (미국 NIH 보조금/계약)
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
IPD 계획 설명
IPD 공유 기간
IPD 공유 액세스 기준
IPD 공유 지원 정보 유형
- 연구_프로토콜
- 수액
- ICF
- ANALYTIC_CODE
- CSR
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
미국에서 제조되어 미국에서 수출되는 제품
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