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Comparative safety of dolutegravir-based or efavirenz-based antiretroviral treatment started during pregnancy in Botswana: an observational study.

ABSTRACT: BACKGROUND:Global rollout of dolutegravir-based antiretroviral therapy (ART) has been hampered in part by insufficient safety data in pregnancy. We compared birth outcomes among women initiating dolutegravir-based ART with those among women initiating efavirenz-based ART in pregnancy in Botswana. METHODS:In this observational study, we captured birth outcome data at eight government hospitals throughout Botswana (~45% of all deliveries in the country) in an ongoing study that started on Aug 15, 2014. In 2016, Botswana changed first-line ART from efavirenz-tenofovir-emtricitabine to dolutegravir-tenofovir-emtricitabine, including for pregnant women. This analysis includes women starting either efavirenz-based ART or dolutegravir-based ART during singleton pregnancy (regimen started and delivery occurring between Aug 15, 2014, and Aug 15, 2016, for efavirenz-based ART and between Nov 1, 2016, and Sept 30, 2017, for dolutegravir-based ART). We excluded births to mothers who had switched regimen or stopped ART. The primary outcomes were the combined endpoints of any adverse outcome (stillbirth, preterm birth [<37 weeks' gestation], small for gestational age [SGA; less than the tenth percentile of birthweight by gestational age], or neonatal death [within 28 days of age]) and severe adverse outcomes (stillbirth, neonatal death, very preterm birth [<32 weeks' gestation], and very SGA [less than the third percentile of birthweight by gestational age]). We fitted log-binomial regression models, controlling for maternal age, gravidity, and education, to estimate adjusted risk ratios (aRRs). FINDINGS:Our analysis included 1729 pregnant women who initiated dolutegravir-based ART and 4593 who initiated efavirenz-based ART. The risk for any adverse birth outcome among women on dolutegravir versus efavirenz was similar (33·2% vs 35·0%; aRR 0·95, 95% CI 0·88-1·03), as was the risk of any severe birth outcome (10·7% vs 11·3%; 0·94, 0·81-1·11). We found no significant differences by regimen in the individual outcomes of stillbirth, neonatal death, preterm birth, very preterm birth, SGA, or very SGA. INTERPRETATION:Adverse birth outcomes were similar among pregnant women who initiated dolutegravir-based and efavirenz-based ART. Dolutegravir-based ART can be safely initiated in pregnancy. FUNDING:National Institutes of Health.

SUBMITTER: Zash R

PROVIDER: S-EPMC6071315 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Comparative safety of dolutegravir-based or efavirenz-based antiretroviral treatment started during pregnancy in Botswana: an observational study.

Zash Rebecca R Jacobson Denise L DL Diseko Modiegi M Mayondi Gloria G Mmalane Mompati M Essex Max M Gaolethe Tendani T Petlo Chipo C Lockman Shahin S Holmes Lewis B LB Makhema Joseph J Shapiro Roger L RL

The Lancet. Global health 20180604 7

<h4>Background</h4>Global rollout of dolutegravir-based antiretroviral therapy (ART) has been hampered in part by insufficient safety data in pregnancy. We compared birth outcomes among women initiating dolutegravir-based ART with those among women initiating efavirenz-based ART in pregnancy in Botswana.<h4>Methods</h4>In this observational study, we captured birth outcome data at eight government hospitals throughout Botswana (~45% of all deliveries in the country) in an ongoing study that star ...[more]

PMID: 29880310

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Project description:Background Recent data suggests clinically significant weight gain among non-pregnant HIV-positive adults after starting dolutegravir-based ART (DTG). Excess or insufficient weight gain in pregnancy could adversely impact pregnancy outcomes, but data for pregnant women receiving DTG are limited. Methods The Tsepamo Study captured data at delivery sites in Botswana from 2014 to 2019. HIV testing, HIV treatment information, and weight measurements during antenatal care were abstracted from the maternity obstetric record at delivery. HIV-positive women initiating DTG or efavirenz-based ART (EFV) between conception and 17 weeks gestation and HIV-uninfected women first presenting for antenatal care before 17 weeks gestation were included. We evaluated weekly weight gain, total 18-week weight gain, excess weight gain (>0.59 kg/week), insufficient weight gain (<0.18 kg/week), and weight loss between 18±2 and 36±2 weeks gestation, adjusting for demographic and clinical variables. Findings Baseline characteristics were similar by exposure group, including pre-pregnancy and early pregnancy weight. Compared with EFV, mean weekly weight gain between 18 and 36 weeks gestation was 0.05 (95% CI 0.03, 0.07) kg/week higher for women initiating DTG and 0.12 (0.10, 0.14) kg/week higher for HIV-uninfected women. Mean 18-week weight gain was 1.05 (95% CI 0.61, 1.49) kg higher for women initiating DTG and 2.31 (1.85, 2.77) kg higher for HIV-uninfected women, compared with EFV. Women initiating DTG were more likely to gain excess weight but less likely to gain insufficient weight or lose weight than women initiating EFV. Interpretation Women initiating DTG compared with EFV during pregnancy gained more weight between 18 and 36 weeks gestation. Neither group gained as much weight as HIV-uninfected women. Initiating DTG compared with EFV during pregnancy could increase the risk of excess weight gain but decrease the risk of insufficient weight gain and weight loss, which could have positive and negative consequences in pregnancy. Our findings are consistent with prior studies in non-pregnant adults.

Project description:ImportanceMaternal antiretroviral treatment (ART) started before conception may increase the risk for adverse birth outcomes among women with human immunodeficiency virus (HIV) infection, but whether the risk differs by ART regimen is unknown.ObjectiveTo compare the risk for selected birth outcomes by maternal ART regimen.Design, setting, and participantsThis observational birth outcomes surveillance study compared all live births and stillbirths with a gestational age of at least 24 weeks in 8 geographically dispersed government hospitals throughout Botswana (approximately 45% of births nationwide). Data were collected from August 15, 2014, through August 15, 2016.ExposuresBirths among HIV-infected women who started 3-drug ART regimens before their last menstrual period and did not switch or stop ART in pregnancy were considered to be ART exposed from conception.Main outcomes and measuresThe primary outcomes were any adverse birth outcome, including stillbirth, preterm birth (<37 weeks), small size for gestational age (SGA; <10th percentile of weight for gestational age) or neonatal death (<28 days from delivery), and any severe adverse outcome, including very preterm birth (<32 weeks), very SGA (<3rd percentile of weight for gestational age), stillbirth, and neonatal death.ResultsInformation was available for 47?027 of 47?124 births (99.8%) at surveillance maternity hospitals (mean [SD] age of mothers, 26.86 [6.45] years). Among 11?932 HIV-exposed infants, 5780 (48.4%) were ART exposed from conception. Adverse birth outcomes were more common among HIV-exposed infants than HIV-unexposed infants (39.6% vs 28.9%; adjusted relative risk [ARR], 1.40; 95% CI, 1.36-1.44). The risk for any adverse birth outcome was lower among infants exposed from conception to tenofovir disoproxil fumarate, emtricitabine, and efavirenz (TDF-FTC-EFV) (901 of 2472 [36.4%]) compared with TDF-FTC and nevirapine (NVP) (317 of 760 [41.7%]; ARR, 1.15; 95% CI, 1.04-1.27); TDF-FTC and lopinavir-ritonavir (TDF-FTC-LPV-R) (112 of 231 [48.5%]; ARR, 1.31; 95% CI, 1.13-1.52); zidovudine, lamivudine, and NPV (ZDV-3TC-NVP) (647 of 1365 [47.4%]; ARR, 1.30; 95% CI, 1.20-1.41); or ZDV-3TC-LPV-R (75 of 167 [44.9%]; ARR, 1.21; 95% CI, 1.01-1.45). The risk for any severe adverse outcome was also lower among infants exposed from conception to TDF-FTC-EFV (303 of 2472 [12.3%]) compared with TDF-FTC-NVP (136 of 760 [17.9%]; ARR, 1.44; 95% CI, 1.19-1.74), TDF-FTC-LPV-R (45 of 231 [19.5%]; ARR, 1.58; 95% CI, 1.19-2.11), ZDV-3TC-NVP (283 of 1365 [20.7%]; ARR, 1.68; 95% CI, 1.44-1.96), or ZDV-3TC-LPV-R (39 of 167 [23.4%]; ARR, 1.93; 95% CI, 1.43-2.60) from conception. Compared with TDF-FTC-EFV, all other regimens were associated with higher risk for SGA; ZDV-3TC-NVP was associated with higher risk of stillbirth, very preterm birth, and neonatal death; and ZDV-3TC-LPV-R was associated with higher risk for preterm birth, very preterm birth, and neonatal death.Conclusions and relevanceAmong infants exposed to ART from conception, TDF-FTC-EFV was associated with a lower risk for adverse birth outcomes than other ART regimens.

Project description:BackgroundIn 2019, the World Health Organisation (WHO) recommended Dolutegravir (DTG) as the preferred first-line antiretroviral treatment (ART) for all persons with HIV. ART regimen switches may affect HIV treatment adherence. We sought to describe patient experiences switching from EFV to DTG-based ART in Kampala, Uganda.MethodsBetween July and September 2019, we purposively sampled adults living with HIV who had switched to DTG at the Infectious Diseases Institute HIV clinic. We conducted in-depth interviews with adults who switched to DTG, to explore their preparation to switch and experiences on DTG. Interviews were audio-recorded, transcribed and analysed thematically using Atlas ti version 8 software.ResultsWe interviewed 25 adults: 18 (72%) were women, and the median age was 35 years (interquartile range [IQR] 30-40). Median length on ART before switching to DTG was 67 months (IQR 51-125). Duration on DTG after switching was 16 months (IQR 10-18). Participants reported accepting provider recommendations to switch to DTG mainly because they anticipated that swallowing a smaller pill once a day would be more convenient. While most participants initially felt uncertain about drug switching, their providers offer of frequent appointments and a toll-free number to call in the event of side effects allayed their anxiety. At the same time, participants said they felt rushed to switch to the new ART regimen considering that they had been on their previous regimen(s) for several years and the switch to DTG happened during a routine visit when they had expected their regular prescription. Some participants felt unprepared for new adverse events associated with DTG and for the abrupt change in treatment schedule. Most participants said they needed additional support from their health providers before and after switching to DTG.Conclusion and recommendationsAdults living with HIV stable on an EFV-based regimen but were switched to DTG in a program-wide policy change found the duration between counselling and drug switching inadequate. DTG was nonetheless largely preferred because of the small pill size, once daily dosing, and absence of EFV-like side effects. Community-engaged research is needed to devise acceptable ways to prepare participants for switching ART at scale.

Project description:IntroductionEvidence on health-related quality of life (HRQoL) outcomes is limited for new antiretroviral therapies (ART). Dolutegravir-based treatment is being rolled out as the preferred first-line treatment for HIV in many low- and middle-income countries. We compared HRQoL between treatment-naïve pregnant women randomized to dolutegravir- or efavirenz-based ART in a clinical trial in Uganda and South Africa.MethodsWe gathered HRQoL data from 203 pregnant women of mean age 28 years, randomized to either dolutegravir- or efavirenz-based ART. We used the medical outcomes study-HIV health survey at baseline, 24 and 48 weeks between years 2018 and 2019. Physical health summary (PHS) and mental health summary (MHS) scores were the primary study outcomes, while the 11 MOS-HIV subscales were secondary outcomes. We applied mixed model analysis to estimate differences within and between-treatment groups. Multivariate regression analysis was included to identify associations between primary outcomes and selected variables.ResultsAt 24 weeks postpartum, HRQoL scores increased from baseline in both treatment arms: PHS (10.40, 95% CI 9.24, 11.55) and MHS (9.23, 95% CI 7.35, 11.10) for dolutegravir-based ART; PHS (10.24, 95% CI 9.10, 11.38) and MHS (7.54, 95% CI 5.66, 9.42) for efavirenz-based ART. Increased scores for all secondary outcomes were significant at p < 0.0001. At 48 weeks, improvements remained significant for primary outcomes within group comparison. Estimated difference in PHS were higher in the dolutegravir-based arm, while increases in MHS were more for women in the efavirenz-based armat 24 and 48 weeks. No significant differences were noted for corresponding PHS scores at these time points compared between groups. Differences between arms were observed in two secondary outcomes: role function (1.11, 95% CI 0.08, 2.13), p = 0.034 and physical function outcomes (2.97, 95% CI 1.20, 4.73), p = 0.001. In the multivariate analysis, internet access was associated with higher PHS scores while owning a bank account, using the internet and longer treatment duration were associated with an increase in MHS scores.ConclusionWe found no important differences in HRQoL outcomes among HIV-positive women started on dolutegravir relative to efavirenz in late pregnancy. Increases in HRQoL in the first year after delivery provide additional support for the initiation of ART in HIV-positive women presenting late in pregnancy. Trial Registration Clinical Trial Number: NCT03249181.

Dataset Information

Comparative safety of dolutegravir-based or efavirenz-based antiretroviral treatment started during pregnancy in Botswana: an observational study.

Publications

Comparative safety of dolutegravir-based or efavirenz-based antiretroviral treatment started during pregnancy in Botswana: an observational study.

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