Conference programme NCHIV 2025 

Registration
09:15RegistrationMarble Hall
Session 1: Through the Looking Glass: Future Needs in HIV Treatment and Prevention
Chairs: Anna Roukens (LUMC) & prof.dr. Marc van der Valk (Board Stichting NCHIV) Maximazaal
10:00 - 10:10Opening and introductionsBoard Stichting NCHIV
10:10 - 10:45(Digital) Plenary "Antiretroviral Therapy in 2025 and beyond" and Q&AJosé Arribas (La Paz University Hospital Madrid)
10:45 - 10:55Summary SHM monitoring reportArd van Sighem (SHM)
10:55 - 11:05Short presentations
- To PrEP or not to Prep
- Insights from phylogenetics
- Gaps in the HIV care continuum

Vita Jongen (SHM)
Daniela Bezemer (SHM)
Vita Jongen (SHM)
11:05 - 11:30Panel discussion
Panellists:
Jorian van Schagen (Chairman PrEPnu)
Dr. Sarah Stutterheim (Associate Professor, Maastricht University)
Paul Zantkuijl (Strategic advisor Key Populations, Soa Aids Nederland)
Dr. Henrieke Prins (head STD clinic GGD Utrecht)
Moderator:
prof.dr. Marc van der Valk (Board Stichting NCHIV)
11:30 - 12:00Refreshment break Marble Hall
Session 2: Parallel oral abstract sessions
Clinical & Sociobehavioural ScienceMaximazaalEpidemiology & Public HealthMauritszaalBasic & Translational ScienceRaadzaal
Chairs: Judith Branger (Flevoziekenhuis) & Casper Rokx (Erasmus MC)Chairs: Janneke van de Wijgert (UMC Utrecht) & Brooke Nichols (AIGHD)Chairs: Leanne Helgers (Amsterdam UMC) & Jéssica dos Santos (Radboudumc)
12:00 - 12:10O.01 Discontinuing PrEP, why and what next? – An exploration of why European MSM stop taking PrEP, how they continue to protect themselves from HIV and who is being left behindJohann Kolstee
(Maastricht University)
O.07 Evaluating the impact and effectiveness of HIV testing strategies among men who have sex with men in the NetherlandsAlexandra Teslya
(UMC Utrecht)
O.13 Siglec-1 functions as a sensor inducing innate and adaptive immunity to HIV-1Bart Grijmans
(Amsterdam UMC)
12:10 - 12:20O.02 Applying structural topic modelling based on machine learning to empower qualitative research: Perceptions of long-acting injectable PrEP among MSM in the Netherlands and Belgium based on Dutch open-ended responsesHaoyi Wang
(Maastricht University)
O.08 Identifying where HIV self-screening yields the greatest impact: insights from routine data in South AfricaAlexandra De Nooy
(AIGHD)
O.14 HIV-Associated Sex Differences in the Plasma Proteome Associate with Reservoir Size and CVD riskSuzanne Ruijten
(Radboudumc)
12:20 - 12:30O.03 Development, validation, and real-world implementation of a rapid diagnostic assay for the screening of non-suppressible viremia in people with HIV-1Jolanda Voermans
(Erasmus MC)
O.09 Changes in condomless anal sex and HIV and STI incidence among men who have sex with men over a period of 15 years: findings from the prospective Amsterdam Cohort StudiesCarien Blomaard
(GGD Amsterdam)
O.15 Sc-SQuHIVLa: Advancing HIV-1 Reservoir Quantification Through Single-Cell In Situ RT-LAMP Amplification and Flow Cytometric DetectionZora Sinay
(Erasmus MC)
12:30 - 12:40O.04 Nurse-directed same-day initiation of cART: high feasibility and more rapid virologic control using a uniform algorithmMaaike Kok (OLVG) O.10 HIV Prevention Pathways Among Individuals Who Discontinued PrEP at the Center for Sexual Health Amsterdam: Might They Still Benefit from PrEP?Inge Willemstein
(GGD Amsterdam)
O.16 TRIM24 acts as an HIV-1 restriction factor and is a potential target for latency reversalCharlotte Verkuijlen
(Amsterdam UMC)
12:40 - 12:50O.05 People with HIV with major ECG abnormalities have a significantly higher risk of incident CVD compared to people without HIVManon Vanbellinghen
(Amsterdam UMC)
O.11 Impact of the termination of the Dutch PrEP pilot on community pharmacy dispensing patternsPiter Oosterhof
(OLVG)
O.17 Latency Promoting Agents as Experimental Tools and Block-and-Lock Candidates in HIV Cure ResearchAnniek Tanja
(UMC Utrecht)
12:50 - 13:00O.06 Incidence of community-acquired pneumonia and herpes zoster in people with HIV based on CD4-count and age in the current antiretroviral therapy era: a longitudinal cohort study Anke Bruns
(UMC Utrecht)
O.12 Reconstructing the 2022 mpox outbreak among MSM in the Netherlands: Insights into transmission dynamics by HIV statusJacob Roberts
(UMC Utrecht)
O.18 Comparing a Nanobody-Based Anti-Capsid Biological and Lenacapavir as Intracellular Capsid Inhibitors to Block HIV-1 ReplicationFlorence Stel
(Amsterdam UMC)
Lunch break
13:00 - 14:45
Lunch and poster viewingMarble Hall
13:30 - 14:00First poster walk
Basic/Translational Science & Sociobehavioural Science
Moderated by: Jori Symons (UMC Utrecht) & Kai Jonas (Maastricht University)
Emmazaal
14:05 - 14:35Second poster walk
Epidemiology/Public Health & Clinical
Moderated by: Ard van Sighem (SHM) & Remko van Leeuwen (Aidsfonds)
Clauszaal
Session 3: Paradigm Shifts and Breakthroughs in HIV science
Chairs: Birgit van Benthem (RIVM) & Marit van Gils (Board Stichting NCHIV)Maximazaal
14:45 - 15:20Plenary "Prevent, treat, or cure: emerging paradigms in HIV and STI" and Q&A Maarten Schim van der Loeff
(GGD Amsterdam & Amsterdam UMC)
15:20 - 15:35Top 5 Clinical papers Casper Rokx
(Erasmus MC)
15:35 - 15:50Top 5 Epidemiology papers Janneke van de Wijgert
(UMC Utrecht)
15:50 - 16:05Top 5 Basic Science papersLeanne Helgers
(Amsterdam UMC)
16:05 - 16:35 Refreshment break Marble Hall
Session 4: NCHIV 2025's Top Science in a Changing Political Landscape
Chairs: Peter Reiss (Board Stichting NCHIV) & Jet Gisolf (Rijnstate)
Maximazaal
16:35 - 16:45Top clinical abstract
O.19 Baseline resistance to cabotegravir and rilpivirine in participants with newly diagnosed HIV-1, ATHENA cohort 2015-2024
Noga Shalev
(SHM)
16:45 - 16:55Top basic / translational science abstract
O.20 Characterization of germinal center B-cell responses to the ConM.SOSIP.V7 HIV-1 vaccine candidate suggests diversification of antibody responses after boost vaccination
Laura Graus
(Amsterdam UMC)
16:55 - 17:05Top epi abstract
O.21 The PEPFAR Impact Counter experience: Turning data into advocacy in a political crisis
Brooke Nichols
(AIGHD)
17:05 - 17:15Presentation of Joep Lange & Jacqueline van Tongeren Junior Investigator Award and NCHIV Best Poster Award (10 min)Board Stichting NCHIV
17:15 - 18:00Panel discussion: Caught Between Politics and Progress: Safeguarding Rights-based HIV Research (session to be conducted in Dutch)

Panellists:
Bas Erlings (Oud campagnestrateeg VVD, mede-eigenaar Sue & the Alchemists en auteur van de bestseller “Het spel van de populist")
Dinah Bons (juridisch en maatschappelijk belangenbehartiger hiv vereniging nederland)
prof.dr. Marcel Levi (voorzitter van de NWO, hoogleraar Geneeskunde bij Amsterdam UMC/UvA en Professor of Medicine bij University College London)
prof.dr. Rogier Sanders (hoogleraar virologie, i.h.b. experimentele vaccinologie, Amsterdam UMC/UvA)
Moderator:
Coen Verbraak (historicus, journalist en programmamaker)
18:00 - 19:00
DrinksMarble Hall
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