- HIV/AIDS Research and Interventions
- HIV, Drug Use, Sexual Risk
- HIV Research and Treatment
- Sex work and related issues
- Hepatitis C virus research
- Reproductive tract infections research
- Syphilis Diagnosis and Treatment
- Hepatitis B Virus Studies
- HIV-related health complications and treatments
- Diabetes Management and Education
- Environmental Impact and Sustainability
- Vaccine Coverage and Hesitancy
- Blood groups and transfusion
- HIV/AIDS drug development and treatment
- Innovation Policy and R&D
Aidsfonds
2014-2024
Amsterdam University Medical Centers
2020-2023
University of Amsterdam
2020-2023
Public Health Service of Amsterdam
2020-2021
Sanquin
2019
OLVG
2019
AIDS United
2019
Bohn Stafleu van Loghum (Netherlands)
2019
Men who have sex with men (MSM) acute human immunodeficiency virus (HIV) infection (AHI) are a key source of new infections. To curb transmission, we implemented strategy for rapid AHI diagnosis and immediate initiation combination antiretroviral therapy (cART) in Amsterdam MSM. We assessed its effectiveness diagnosing decreasing the time to viral suppression.We included 63 278 HIV testing visits 2008-2017, during which 1013 MSM were diagnosed. Standard care (SOC) confirmation < 1 week cART...
PrEP uptake in the Netherlands is growing but remains at suboptimal levels. Hence, analysis of hurdles paramount. Given initial focus provision among men-who-have-sex-with-men (MSM) via a demonstration project that was launched June 2015, AmPrEP Amsterdam, and pharmacies main urban areas (so called "Randstad", entailing Utrecht, Leiden, The Hague Rotterdam), investigating regional differences necessary. This study seeks to unravel jointly with psycho-social determinants uptake....
Since the introduction of effective anti-retroviral therapy, early diagnosis and treatment HIV have become increasingly important from individual public health perspectives. People who are diagnosed with a CD4 count below 350 cells/µL blood today considered to be "late" diagnoses. In an effort understand reasons for late diagnosis, we conducted in-depth interviews (n = 14) in Amsterdam, Netherlands. Two main factors were identified: psychosocial health-system factors. Psychosocial relate...
Men having sex with men (MSM) remain the largest high-risk group involved in on-going transmission of sexually transmitted infections (STI), including HIV, Netherlands. As risk behaviour may change age, it is important to explore potential heterogeneity risks by age. To improve our understanding this epidemic, we analysed prevalence and factors for selected STI MSM attending clinics Netherlands age group.Analysis data from national surveillance system period 2006-2012. Selected were...
In the Netherlands, general practitioners (GPs) play a key role in provider-initiated HIV testing, but opportunities for timely diagnosis are regularly missed. We implemented an educational intervention to improve testing by GPs from 2015 2020, and observed 7% increase evaluation using laboratory data. The objective current study was gain deeper understanding of whether how practices perceptions GPs' HIV/sexually transmitted infection (STI) behaviour changed following intervention.We...
Background Of newly diagnosed HIV positive men who have sex with (MSM) in the Netherlands, 29% a non-Western migration background (MSM-NW). Among MSM-NW, positivity rates are high (0.8%-2.0%), as is proportion of late stage infections (39%). Factors such and sexual orientation–related stigma may form barriers for timely testing. Innovative approaches testing needed to better reach MSM-NW. Social network (SNT) an evidence-supported approach where peer recruiters identify persons (network...
Background In the Netherlands, transmission of hepatitis C virus (HCV) occurs primarily among men who have sex with (MSM). Early HCV testing at-risk MSM and immediate initiation treatment will prevent onward transmission, but this may not be sufficient to eliminate in a population ongoing risk behaviors. Therefore, targeted socioculturally acceptable preventive measures, including behavioral interventions, are urgently needed. Currently, little contextually appropriate information about or...
Background Reducing the number of new acute hepatitis B virus (HBV) infections to zero by 2022 is an important goal in Netherlands. Free HBV vaccination available for population groups at higher risk infection, including men who have sex with (MSM). Identifying correlates among MSM can guide development health promotion interventions increase coverage vaccination.We assessed factors associated status 4270 Data were collected through 2018 online Men & Sexuality survey.Multinomial regression...
Abstract Background Late presentation remains a key barrier towards controlling the HIV epidemic. Indicator conditions (ICs) are those that AIDS-defining, associated with prevalence of undiagnosed > 0.1%, or whose clinical management would be impeded if an infection were undiagnosed. IC-guided testing is effective strategy in identifying HIV, but opportunities for earlier diagnosis through being missed. We present protocol interventional study to improve awareness and increase patients...
PrEP uptake in the Netherlands is growing but remains at suboptimal levels. Hence, analysis of hurdles paramount. Given initial focus provision among men-who-have-sex-with-men (MSM) via a demonstration project that was launched June 2015, AmPrEP Amsterdam, and pharmacies main urban areas (so called &ldquo;Randstad&rdquo;, entailing Utrecht, Leiden, The Hague Rotterdam), investigating regional differences necessary. This study seeks to unravel jointly with psycho-social determinants...
<h3>Background</h3> The COVID-19 pandemic and associated lockdowns have impacted MSM's sexual activity access to HIV/STI-related services. This study among MSM in the Netherlands assesses COVID-19-induced changes numbers of sex partners, condomless anal intercourse (CAI), PrEP use, HIV/STI testing. <h3>Methods</h3> From July 20th September 11th 2020, were recruited via social media complete an online survey. 2182 respondents (Mage=40 years) provided data on their 3 bimesters before first...
Syphilis incidence is rising among gay, bisexual and other men who have sex with (GBMSM). To improve early health-seeking behaviour, we developed an online syphilis symptom score tool for GBMSM to self-identify a higher likelihood of infectious promoted its use via offline awareness campaign.
The expanding HIV risk reduction toolkit increases options for men who have sex (MSM), but increasing in combination with different preferences may complicate promoting reduction. To investigate what strategies MSM prefer, data of 3310 participants the online survey "Men & Sexuality" (Median age = 37 years, 320 (9.7%) positive) was analysed. Questions assessed attitudes towards strategies. Participants had most positive regarding PrEP and testing, while withdrawal strategic positioning were...
<h3>Introduction</h3> Acute HIV infection (AHI) is associated with high viral load and therefore an important factor in onward transmission. Timely detection treatment of AHI can contribute to a better prognosis help prevent further <h3>Methods</h3> A media campaign directed men online intervention (hebikhiv.nl) where visitors were trained recognising AHI-symptoms offered interactive risk-assessment questionnaire using risk score algorithm comprising behaviour symptoms. If found at risk,...
<sec> <title>BACKGROUND</title> In the Netherlands, transmission of hepatitis C virus (HCV) occurs primarily among men who have sex with (MSM). Early HCV testing at-risk MSM and immediate initiation treatment will prevent onward transmission, but this may not be sufficient to eliminate in a population ongoing risk behaviors. Therefore, targeted socioculturally acceptable preventive measures, including behavioral interventions, are urgently needed. Currently, little contextually appropriate...
<h3>Background</h3> The Netherlands has had a large influx of MSM refugees in recent years. Soon after arriving many them start dating other for sexual hook-ups, while insufficiently aware risks that sex between men entails HIV/STI. They are also unfamiliar with existing facilities HIV/STI testing, HBV-vaccination and HIV-care the Netherlands. <h3>Methods</h3> <b>I</b>n 2017 2018, were invited meet-ups Amsterdam three cities, where information counseling about STI HIV how to prevent these...
<sec> <title>BACKGROUND</title> Of newly diagnosed HIV positive men who have sex with (MSM) in the Netherlands, 29% a non-Western migration background (MSM-NW). Among MSM-NW, positivity rates are high (0.8%-2.0%), as is proportion of late stage infections (39%). Factors such and sexual orientation–related stigma may form barriers for timely testing. Innovative approaches testing needed to better reach MSM-NW. Social network (SNT) an evidence-supported approach where peer recruiters identify...
<h3>Background</h3> Since its formal introduction in 2019, PrEP uptake the Netherlands is growing, but remains at suboptimal levels. Hence, analysis of determinants paramount. Given initial focus provision among men-who-have-sex-with-men (MSM) via a demonstration project, AmPrEP Amsterdam, and pharmacies main urban areas (so called 'Randstad', entailing Utrecht, Leiden, The Hague Rotterdam), investigating regional discrepancies necessary. We seek to unravel differences jointly with known...