7 results on '"Hosseinipour, Mina C"'
Search Results
2. Timing of HIV testing among pregnant and breastfeeding women and risk of mother-to-child HIV transmission in Malawi: a sampling-based cohort study
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Chagomerana, Maganizo B., Edwards, Jessie K., Zalla, Lauren C., Carbone, Nicole B., Banda, Godfrey T., Mofolo, Innocent A., Hosseinipour, Mina C., and Herce, Michael E.
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HIV testing -- Usage -- Management ,Mother and infant -- Health aspects ,Breast feeding -- Health aspects ,Disease transmission -- Causes of ,HIV infection -- Drug therapy -- Diagnosis -- Demographic aspects ,Company business management ,Health - Abstract
Introduction: Pregnant women living with HIV can achieve viral suppression and prevent HIV mother-to-child transmission (MTCT) with timely HIV testing and early ART initiation and maintenance. Although it is recommended that pregnant women undergo HIV testing early in antenatal care in Malawi, many women test positive during breastfeeding because they did not have their HIV status ascertained during pregnancy or they tested negative during pregnancy but seroconverted postpartum. We sought to estimate the association between the timing of last positive HIV test (during pregnancy vs. breastfeeding) and outcomes of maternal viral suppression and MTCT in Malawi's PMTCT programme. Methods: We conducted a two-stage cohort study among mother-infant pairs in 30 randomly selected high-volume health facilities across five nationally representative districts of Malawi between 1 July 2016 and 30 June 2017. Log-binomial regression was used to estimate prevalence ratios (PR) and risk ratios (RR) for associations between timing of last positive HIV test (i.e. breastfeeding vs. pregnancy) and maternal viral suppression and MTCT, controlling for confounding using inverse probability weighting. Results: Of 822 mother-infant pairs who had available information on the timing of the last positive HIV test, 102 mothers (12.4%) had their last positive test during breastfeeding. Women who lived one to two hours (PR = 2.15; 95% CI: 1.29 to 3.58) or >2 hours (PR = 2.36; 95% CI: 1.37 to 4.10) travel time to the nearest health facility were more likely to have had their last positive HIV test during breastfeeding compared to women living Conclusions: MTCT in Malawi occurred disproportionately among women with a last positive HIV test during breastfeeding. Testing delayed until the postpartum period may lead to higher MTCT. To optimize maternal and child health outcomes, PMTCT programmes should focus on early ART initiation and providing targeted testing, prevention, treatment and support to breastfeeding women. Keywords: antiretroviral therapy; mother-to-child transmission; HIV; Option B+; PMTCT; viral suppression, 1 | INTRODUCTION Antiretroviral therapy (ART) for HIV-positive pregnant and breastfeeding women (PBFW) has proved to be life-saving for both mother and infant. As a treatment for HIV, ART improves [...]
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- 2021
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3. Examining barriers to antiretroviral therapy initiation in infants living with HIV in sub‐Saharan Africa despite the availability of point‐of‐care diagnostic testing: a narrative systematic review.
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Chapuma, Chikondi Isabel Joana, Sakala, Doreen, Nyang'wa, Maggie Nyirenda, Hosseinipour, Mina C., Mbeye, Nyanyiwe, Matoga, Mitch, Kumwenda, Moses Kelly, Chikweza, Annastarsia, Nyondo‐Mipando, Alinane Linda, and Mwapasa, Victor
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ANTIRETROVIRAL agents ,INFANTS ,POINT-of-care testing ,VERTICAL transmission (Communicable diseases) ,DIAGNOSIS methods - Abstract
Introduction: Antiretroviral therapy (ART) initiation in infants living with HIV before 12 weeks of age can reduce the risk of mortality by 75%. Point‐of‐care (POC) diagnostic testing is critical for prompt ART initiation; however, despite its availability, rates of ART initiation are still relatively low before 12 weeks of age. This systematic review describes the barriers to ART initiation in infants before 12 weeks of age, despite the availability of POC. Methods: This systematic review used a narrative synthesis methodology. We searched PubMed and Scopus using search strategies that combined terms of multiple variants of the keywords "early infant initiation on antiretroviral therapy," "barriers" and "sub‐Saharan Africa" (initial search 18th January 2023; final search 1st August 2023). We included qualitative, observational and mixed methods studies that reported the influences of early infant initiation on ART. We excluded studies that reported influences on other components of the Prevention of Mother to Child Transmission cascade. Using a deductive approach guided by the updated Consolidated Framework of Implementation Research, we developed descriptive codes and themes around barriers to early infant initiation on ART. We then developed recommendations for interventions for the identified barriers using the action, actor, target and time framework from the codes. Results: Of the 266 abstracts reviewed, 52 full‐text papers were examined, of which 12 papers were included. South Africa had most papers from a single country (n = 3) and the most reported study design was retrospective (n = 6). Delays in ART initiation beyond 12 weeks in infants 0–12 months were primarily associated with health facility and maternal factors. The most prominent barriers identified were inadequate resources for POC testing (including human resources, laboratory facilities and patient follow‐up). Maternal‐related factors, such as limited male involvement and maternal perceptions of treatment and care, were also influential. Discussion: We identified structural barriers to ART initiation at the health system, social and cultural levels. Improvements in the timely allocation of resources for POC testing operations, coupled with interventions addressing social and behavioural barriers among both mothers and healthcare providers, hold a promise for enhancing timely ART initiation in infants. Conclusions: This paper identifies barriers and proposes strategies for timely ART initiation in infants. [ABSTRACT FROM AUTHOR]
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- 2024
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4. What is the optimum time to start antiretroviral therapy in people with HIV and tuberculosis coinfection? A systematic review and meta‐analysis
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Burke, Rachael M., Rickman, Hannah M., Singh, Vindi, Corbett, Elizabeth L., Ayles, Helen, Jahn, Andreas, Hosseinipour, Mina C., Wilkinson, Robert J., and Macpherson, Peter
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Comorbidity -- Drug therapy -- Complications and side effects ,Highly active antiretroviral therapy -- Methods -- Complications and side effects -- Comparative analysis ,Tuberculosis -- Drug therapy -- Patient outcomes ,HIV patients -- Drug therapy ,HIV infection -- Drug therapy -- Patient outcomes ,Health - Abstract
: Background: HIV and tuberculosis are frequently diagnosed concurrently. In March 2021, World Health Organization recommended that antiretroviral therapy (ART) should be started within two weeks of tuberculosis treatment start, at any CD4 count. We assessed whether earlier ART improved outcomes in people with newly diagnosed HIV and tuberculosis. Methods: We did a systematic review by searching nine databases for trials that compared earlier ART to later ART initiation in people with HIV and tuberculosis. We included studies published from database inception to 12 March 2021. We compared ART within four weeks versus ART more than four weeks after TB treatment, and ART within two weeks versus ART between two and eight weeks, and stratified analysis by CD4 count. The main outcome was death; secondary outcomes included IRIS and AIDS‐defining events. We pooled effect estimates using random effects meta‐analysis. Results and discussion: We screened 2468 abstracts, and identified nine trials. Among people with all CD4 counts, there was no difference in mortality by earlier ART (≤4 week) versus later ART (>4 week) (risk difference [RD] 0%, 95% confidence interval [CI] −2% to +1%). Among people with CD4 count ≤50 cells/mm[sup.3], earlier ART (≤4 weeks) reduced risk of death (RD −6%, −10% to −1%). Among people with all CD4 counts earlier ART (≤4 weeks) increased the risk of IRIS (RD +6%, 95% CI +2% to +10%) and reduced the incidence of AIDS‐defining events (RD −2%, 95% CI −4% to 0%). Results were similar when trials were restricted to the four trials which permitted comparison of ART within two weeks to ART between two and eight weeks. Trials were conducted between 2004 and 2014, before recommendations to treat HIV at any CD4 count or to rapidly start ART in people without TB. No trials included children or pregnant women. No trials included integrase inhibitors in ART regimens. Discussion: Earlier ART did not alter risk of death overall among people living with HIV who had TB disease. For logistical and patient preference reasons, earlier ART initiation for everyone with TB and HIV may be preferred to later ART., Introduction Tuberculosis (TB) is the most important cause of morbidity and mortality among people living with HIV (PLHIV) globally [1,2]. All people with TB should be offered testing for HIV [...]
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- 2021
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5. A randomized controlled trial evaluating combination detection of HIV in Malawian sexually transmitted infections clinics
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Chen, Jane S., Matoga, Mitch, Pence, Brian W., Powers, Kimberly A., Maierhofer, Courtney N., Jere, Edward, Massa, Cecilia, Khan, Shiraz, Rutstein, Sarah E., Phiri, Sam, Hosseinipour, Mina C., Cohen, Myron S., Hoffman, Irving F., Miller, William C., and Lancaster, Kathryn E.
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Contact tracing -- Methods ,Public health administration -- Evaluation ,HIV infection -- Diagnosis -- Care and treatment ,Health - Abstract
: Introduction: HIV diagnosis is the necessary first step towards HIV care initiation, yet many persons living with HIV (PLWH) remain undiagnosed. Employing multiple HIV testing strategies in tandem could increase HIV detection and promote linkage to care. We aimed to assess an intervention to improve HIV detection within socio‐sexual networks of PLWH in two sexually transmitted infections (STI) clinics in Lilongwe, Malawi. Methods: We conducted a randomized controlled trial to evaluate an intervention combining acute HIV infection (AHI) screening, contract partner notification and social contact referral versus the Malawian standard of care: serial rapid serological HIV tests and passive partner referral. Enrolment occurred between 2015 and 2019. HIV‐seropositive persons (two positive rapid tests) were randomized to the trial arms and HIV‐seronegative (one negative rapid test) and ‐serodiscordant (one positive test followed by a negative confirmatory test) persons were screened for AHI with HIV RNA testing. Those found to have AHI were offered enrolment into the intervention arm. Our primary outcome of interest was the number of new HIV diagnoses made per index participant within participants’ sexual and social networks. We also calculated total persons, sexual partners and PLWH (including those previously diagnosed) referred per index participant. Results: A total of 1230 HIV‐seropositive persons were randomized to the control arm, and 561 to the intervention arm. Another 12,713 HIV‐seronegative or ‐serodiscordant persons underwent AHI screening, resulting in 136 AHI cases, of whom 94 enrolled into the intervention arm. The intervention increased the number of new HIV diagnoses made per index participant versus the control (ratio: 1.9; 95% confidence interval (CI): 1.2 to 3.1). The intervention also increased the numbers of persons (ratio: 2.5; 95% CI: 2.0 to 3.2), sexual partners (ratio: 1.7; 95% CI: 1.4 to 2.0) and PLWH (ratio: 2.3; 95% CI: 1.7 to 3.2) referred per index participant. Conclusions: Combining three distinct HIV testing and referral strategies increased the detection of previously undiagnosed HIV infections within the socio‐sexual networks of PLWH seeking STI care. Combination HIV detection strategies that leverage AHI screening and socio‐sexual contact networks offer a novel and efficacious approach to increasing HIV status awareness., INTRODUCTION HIV diagnosis is the essential first step for people living with HIV (PLWH) to access HIV care, which can improve health outcomes and reduce the potential for onward transmission [...]
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- 2021
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6. HIV risk, risk perception, and PrEP interest among adolescent girls and young women in Lilongwe, Malawi: operationalizing the PrEP cascade
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Hill, Lauren M., Maseko, Bertha, Chagomerana, Maganizo, Hosseinipour, Mina C., Bekker, Linda?Gail, Pettifor, Audrey, and Rosenberg, Nora E.
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Young women -- Beliefs, opinions and attitudes ,HIV infection -- Risk factors -- Prevention ,Teenage girls -- Beliefs, opinions and attitudes ,Health - Abstract
: Introduction: As a user‐controlled HIV prevention method, oral pre‐exposure prophylaxis (PrEP) holds particular promise for adolescent girls and young women (AGYW). HIV prevention cascades, critical frameworks for the design and evaluation of PrEP programmes, outline the priorities of identifying individuals at greatest HIV risk and motivating them to initiate PrEP through perceived HIV risk. To inform future iterations of these cascades and PrEP delivery for AGYW, the objective of this study was to understand the level of interest in PrEP among AGYW at highest HIV risk, and the potential role of perceived risk in motivating PrEP interest. Methods: Using data from a cohort study of HIV‐negative AGYW in Lilongwe, Malawi (February 2016 to August 2017), we assessed the relationship between epidemiologic HIV risk (risk index developed in a previous analysis) and PrEP interest, and the extent to which perceived risk explains the relationship between HIV risk and PrEP interest. We further aimed to operationalize the pre‐initiation steps of the HIV prevention cascade in the study population. Results: In total, 825 AGYW were included in analyses, of which 43% met the criterion for high epidemiologic HIV risk. While epidemiologic risk scores were positively associated with PrEP interest, high numbers of AGYW both above and below the high‐risk cutoff were very interested in PrEP (68% vs. 63%). Perceived risk partially explained the relationship between HIV risk and PrEP interest; greater epidemiologic HIV risk was associated with high perceived risk, which was in turn associated with PrEP interest. Many more high‐risk AGYW were interested in PrEP (68%) than expressed a high level of perceived HIV risk (26%). Conclusions: These results highlight key relationships between epidemiologic HIV risk, risk perception and interest in PrEP. While risk perception did partially explain the relationship between epidemiologic risk and PrEP interest, there may be other important motivational mechanisms that are not captured in many HIV prevention cascades. The high number of participants with risk scores below the high‐risk cutoff who both expressed high perceived risk and interest in PrEP suggests that demand for PrEP among AGYW may not be well aligned with epidemiologic risk., INTRODUCTION Adolescent girls and young women (AGYW) in sub‐Saharan Africa are an important population for HIV prevention [1,2]. In Malawi, AGYW ages 15 to 24 have more than twice the [...]
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- 2020
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7. The Tingathe programme: a pilot intervention using community health workers to create a continuum of care in the prevention of mother to child transmission of HIV (PMTCT) cascade of services in Malawi
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Kim, Maria H., Ahmed, Saeed, Buck, W Chris, Preidis, Geoffrey A., Hosseinipour, Mina C., Bhalakia, Avni, Nanthuru, Debora, Kazembe, Peter N., Chimbwandira, Frank, Giordano, Thomas P., Chiao, Elizabeth Y., Schutze, Gordon E., and Kline, Mark W.
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Prenatal care -- Methods -- Patient outcomes ,Community health aides -- Services ,Perinatal infection -- Prevention -- Risk factors -- Patient outcomes ,Continuum of care -- Methods -- Patient outcomes ,Disease transmission -- Prevention -- Risk factors ,Pregnant women -- Care and treatment ,HIV infection -- Prevention -- Care and treatment -- Patient outcomes ,Health - Abstract
Introduction: Loss to follow‐up is a major challenge in the prevention of mother to child transmission of HIV (PMTCT) programme in Malawi with reported loss to follow‐up of greater than 70%. Tingathe‐PMTCT is a pilot intervention that utilizes dedicated community health workers (CHWs) to create a complete continuum of care within the PMTCT cascade, improving service utilization and retention of mothers and infants. We describe the impact of the intervention on longitudinal care starting with diagnosis of the mother at antenatal care (ANC) through final diagnosis of the infant. Methods: PMTCT service utilization, programme retention and outcomes were evaluated for pregnant women living with HIV and their exposed infants enrolled in the Tingathe‐PMTCT programme between March 2009 and March 2011. Multivariate logistic regression was done to evaluate maternal factors associated with failure to complete the cascade. Results: Over 24 months, 1688 pregnant women living with HIV were enrolled. Median maternal age was 27 years (IQR, 23.8 to 30.8); 333 (19.7%) were already on ART. Among the remaining women, 1328/1355 (98%) received a CD4 test, with 1243/1328 (93.6%) receiving results. Of the 499 eligible for ART, 363 (72.8%) were successfully initiated. Prior to, delivery there were 93 (5.7%) maternal/foetal deaths, 137 (8.1%) women transferred/moved, 51 (3.0%) were lost and 58 (3.4%) refused ongoing PMTCT services. Of the 1318 live births to date, 1264 (95.9%) of the mothers and 1285 (97.5%) of the infants received ARV prophylaxis; 1064 (80.7%) infants were tested for HIV by PCR and started on cotrimoxazole. Median age at PCR was 1.7 months (IQR, 1.5 to 2.5). Overall transmission at first PCR was 43/1047 (4.1%). Of the 43 infants with positive PCR results, 36 (83.7%) were enrolled in ART clinic and 33 (76.7%) were initiated on ART. Conclusions: Case management and support by dedicated CHWs can create a continuum of longitudinal care in the PMTCT cascade and result in improved outcomes., Introduction In 2011, UNAIDS announced a call to eliminate new paediatric HIV infections among children by 2015 [1]. Effective medical interventions for prevention of mother to child transmission of HIV [...]
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- 2012
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