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Introduction: Antiretroviral therapy (ART) is integral to HIV prevention, including averting vertical transmission. The World Health Organization (WHO) recommends ART and breastfeeding for all women living with HIV for at least 12 months post‐partum [1, 2]. Much of the data on HIV transmission through breastfeeding comes from low‐resource settings, with a paucity of data on breastfeeding‐related HIV transmission in women living with HIV in other settings. Women Against Viruses in Europe (WAVE), part of the European AIDS Clinical Society (EACS), aims to improve the standard of care for women living with HIV and sought to gain an understanding of breastfeeding guidelines and practice in women living with HIV across Europe. Methods: A steering group convened by WAVE developed a survey to collate information on breastfeeding trends, practice, and guideline recommendations for women living with HIV in Europe and to establish interest in becoming involved in a collaborative breastfeeding network. The survey was disseminated to 31 countries in March 2022. Results: In total, 25 eligible responses were received: 23/25 (92%) countries have HIV and pregnancy guidelines; 23/23 (100%) guidelines refer specifically to breastfeeding; 12/23 (52%) recommend against breastfeeding; 11/23 (48%) offer an option if certain criteria are met; 12/25 (48%) reported that the number of women living with HIV who breastfeed is increasing; 24/25 (96%) respondents were interested in joining a network on breastfeeding in women living with HIV. Conclusions: Recommendations vary, and nearly half of the guidelines recommend against breastfeeding. Many countries report an increase in breastfeeding. WAVE will establish a collaborative network to bridge data gaps, conduct research, and improve support for women living with HIV who choose to breastfeed. [ABSTRACT FROM AUTHOR]

Objective The aim of the study was to assess the risk of adverse pregnancy outcomes after antenatal antiretroviral therapy in a well-defined prospective cohort of nontransmitting HIV-infected women. Methods Prospective monitoring of 183 mother–child pairs from 13 centres in Germany and Austria, delivering between 1995 and 2001, was carried out. Following German–Austrian guidelines recommending an elective Caesarean section (CS) at 36 weeks, prematurity was defined as <36 weeks' gestation for these analyses. Results Of 183 mother–child pairs, 42% were exposed to antenatal monotherapy and 17% to dual therapy. Of the 75 women exposed to highly active antiretroviral therapy (HAART), 21 (28%) received protease inhibitor (PI)-based HAART and the remaining 54 received nonnucleoside reverse transcriptase inhibitor-based HAART. In multivariable analysis (176 pregnancies), PI-based HAART exposure during pregnancy was associated with an increased risk of premature delivery [adjusted odds ratio 3.40; 95% confidence interval (CI) 1.13–10.2; P=0.029, compared with monotherapy]. Congenital abnormalities affected 3.3% infants. Perinatally, 18.9% of children (34 of 179) had respiratory problems requiring interventions, which were associated with prematurity but not with type of treatment exposure. From adjusted regression analysis, the mean birth weight z-score for children exposed to HAART with PI (+0.46; 95% CI 0.01–0.92; P=0.047) or dual therapy (+0.43; 95% CI 0.03–0.82; P=0.034) was slightly but significantly higher than that for those exposed to monotherapy; head circumference was appropriate for gestational age and there were no significant differences between treatment groups. Conclusions Use of antenatal PI-based HAART initiated before or during pregnancy was associated with a significantly increased risk of premature delivery at <36 weeks' gestation. The overall crude prematurity rate was 34% (63 of 183; 95% CI 28–42). [ABSTRACT FROM AUTHOR]

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The data on the use of tipranavir and enfuvirtide in pregnancy are very limited. We performed a pharmacokinetic profile in a pregnant woman with multidrug-resistant HIV-1 infection at 37 weeks gestation. Tipranavir levels were in the therapeutic range and the cord blood concentration at delivery was relatively high when compared with other protease inhibitors. No enfuvirtide was detected in the fetal compartment. Tipranavir and enfuvirtide were successfully used in pregnancy, but possible toxicities must be kept in mind. [ABSTRACT FROM AUTHOR]

Background Human herpes virus 8 (HHV-8), a gamma herpes virus, is the etiological agent for Kaposi sarcoma (KS). HIV-infected adults with advanced immunodeficiency are at risk. Prevalence data of HHV-8 infection in HIV-infected children living in non-endemic areas are limited. Serologic studies indicate low seroprevalence rates of 3-4% for healthy children living in United States and Germany []. Purpose of the study The aim of the study was to determine the seroprevalence of HHV-8 antibodies among vertically HIV-infected pediatric patients in Germany and to evaluate their association with age, gender, ethnicity, and other demographic factors. Methods In 2012, a multi-center cross-sectional study was conducted in four University Hospitals in Germany. Stored frozen serum specimens obtained from vertically HIV-infected children and adolescents were tested for antibodies against lytic and latent HHV-8 antigens. Data on patients' demographic characteristics and medical history were recorded. Results A total of 214 HIV-infected children and adolescents (105 males, 109 females) were included. The median age was 10.2 years (range 1 months-22.6 years). A high proportion of these children (62%) was born in Western Europe, whereas 65% (139/214) of their mothers were born in countries outside Western Europe. The majoritiy (91%) of the children had been treated with highly active antiretroviral therapy and 55.2% (116/210) had a HIV-viral load<50 copies/mL. The median CD4 cell count was 1000/L (range 3-4400). The overall seroprevalence of HHV-8 antibodies was 23.8% (51/214). Seroprevalence rates did not show significant differences between age or gender. In the group of young children aged 1 month to 35 months, 19.4% (46/31) had HHV-8 antibodies, compared to 25% (25/100) in children aged 36 months to 11 years, and 24.1% (20/83) children 12 years and older. In the study group, seroprevalence rates were significantly lower in children who were born in Western Europe (p <0.01) compared to those born in Africa, Asia, or Eastern Europe. Clinical symptoms of HHV-8 infection were reported to be uncommon; only one child had a history of KS at 2 years of age. Conclusions Vertically HIV-infected pediatric patients living in Germany showed a high HHV-8 seroprevalence of 23.8%. These rates were higher as expected in the normal pediatric population. The findings suggest that HHV-8 infection occurred already in the first years of life. [ABSTRACT FROM AUTHOR]