2025

• Warittha Tieosapjaroen*, Arturo M. Ongkeko Jr.*, Zhuoheng Yin*, Krittaporn Termvanich*, Artit Wongsa, Joseph D. Tucker, Weiming Tang, Chunyan Li, Ying Zhang,  Nina T. Castillo-Carandang#, Jason J. Ong#. Crowdsourcing strategies to improve access to HIV pre-exposure prophylaxis (PrEP) in Australia, the Philippines, Thailand and China. BMC Infect Dis. 2025 May 14;25(1):698. doi: 10.1186/s12879-025-11065-4. PMID: 40369406; PMCID: PMC12079911.
• Warittha Tieosapjaroen, Benjamin R. Bavinton , Heather-Marie A. Schmidt, Curtis Chan, Kim E. Green, Nittaya Phanuphak, Midnight Poonkasetwattana, Nicky S. Suwandi, Doug Fraser, Hua Boonyapisomparn, Michael Cassell, Lei Zhang, Weiming Tang, Jason J. Ong. Preferences for pre-exposure prophylaxis for HIV among men who have sex with men and transgender women in 15 countries and territories in Asia and Australia: a discrete choice experiment. J Int AIDS Soc. 2025 Aug;28(8):e70025. doi: 10.1002/jia2.70025. PMID: 40836488; PMCID: PMC12367860.
• Warittha Tieosapjaroen, Curtis Chan, Benjamin R. Bavinton, Heather-Marie Schmidt, Doug Fraser, Kimberly E. Green, Nittaya Phanuphak, Michael Cassell, Lei Zhang, Weiming Tang, Dean Murphy, Jason J. Ong. Preferences for Pre-exposure prophylaxis among MSM in Australia: a Discrete Choice Experiment. Sex Transm Infect. 2025 Jul 30:sextrans-2025-056507. doi: 10.1136/sextrans-2025-056507. Epub ahead of print. PMID: 40744527.
• Zhang Y, Johnson CC, Nguyen V, Ong JJ. Role of HIV self-testing in strengthening HIV prevention services. The Lancet HIV 2024;11(11):e774-782. DOI 10.1016/S2352-3018(24)00187-5
• Tapa J, Kusen M, Young F, Merrigan, Ong JJ. Financial sustainability of HIV services for key populations in four countries in Asia: a mixed-methods study. Sexual Health 22(3): SH24210.doi:10.1071/SH24210
• Zhang Y, Tapa J, Johnson CC, Phillips TR, Fairley CK, Ameyan W, Mello MB, Chow EPF, Chidarikire T, Ong JJ.HIV, hepatitis, and syphilis self-testing among adolescents and young adults: A systematic review and meta-analysis. Journal of Infection and Public Health. 2025;18(6):102764 doi: 10.1016/j.jiph.2025.102764
• Huang WT, Stegmueller D, Sales JM, Mi GD, Yu F, Liu YF, Sullivan PS, Siegler AJ, Ong JJ Preference for HIV Pre-exposure Prophylaxis Access Among Men who Have Sex With Men in China: A Discrete Choice. Open Forum Infect Dis. 2025;12(1):ofae742. doi:10.1093/ofid/ofae742. PMID: 39817034; PMCID: PMC11733822.
• Li C, Wang K, Tanuma J, Shibanuma A, Gilmour S, Chan C, Phanuphak N, Tieosapjaroen W, Ong JJ, Zhang L, Bavinton BR. Exploring user preferences for PrEP service delivery models in Japan: a discrete choice experiment among men who have sex with men. Sexual Health. 2025; 22(5) doi:10.1071/SH25063
• Schmidt HA, Chan C, Ung P, Nisa T, Ong JJ, Tieosapjaroen W, Green KE, Phanuphak N, Cassell MM, Suwandi N, Boonyapisomparn H, Poonkasetwattana M, Zhang L, Bavinton BR. Preparing for next-generation PrEP: awareness and willingness to use long-acting injectable cabotegravir among men who have sex with men and trans women across Asia. Sex Health. 2025;22(6):SH25065. doi: 10.1071/SH25065. PMID: 41162336.
• Chan C, Schmidt HM, Ong JJ, Tieosapjaroen W, Grulich AE, Phanuphak N, Wright EJ, Bushby B, Zhang L, Bavinton BR. Assessing Demand for Long-Acting Injectable PrEP and Emerging PrEP Options for HIV Prevention in Australia: Results from a Cross-Sectional Survey of Men Who have Sex with Men. AIDS Behav. 2025. doi: 10.1007/s10461-025-04969-4. Epub ahead of print. PMID: 41243079. (Ahead of Print_17 Nov)
• Zhao R, Li Y, He S, Zhang W, Sun J, Fang Z, Zhang L, Su S, Ong JJ, Zhang L. Awareness, Acceptance, and Uptake of HIV Pre-Exposure Prophylaxis among Men Who Have Sex with Men (MSM) in Northwestern China: A Cross-Sectional Study. AIDS Behav. 2025. doi:10.1007/s10461-025-04884-8. (Ahead of Print 29 Sept). PMID: 41016993.
• Schmidt, HM, Chan C, Ung P, Nisa T, Ong JJ, Tieosapjaroen W, Green K, Phanuphak N, Cassell M, Suwandi N, Boonyapisomparn H, Poonkasetwattana M, Zhang L, Bavinton B. Preparing for next-generation PrEP: awareness and willingness to use long acting injectable cabotegravir (CAB-LA) among men who have sex with men and trans women across Asia. Sexual Health. 2025; 22(6) doi:10.1071/SH25065
• Zou Z, Hu Y, Yang H, Zhao M, Cao Y, Tieosapjaroen W, Soe NN, Latt PM, Ong JJ, Zhuang G, Zhang L. Preferences and willingness-to-pay for human papillomavirus vaccination among men who have sex with men in China: a discrete choice experiment. Vaccine. 2025; 65:127806 doi:10.1016/j.vaccine.2025.127806
• Olete RA, Eustaquio P, Tieosapjaroen W, Leyritana K, Cassell M, Ong JJ, Schmidt HA, Phanuphak N, Chan C, Bavinton BR. The awareness and preferences in PrEP access, type of service delivery, and willingness to pay among men who have sex with men in the Philippines: a discrete choice experiment. Sex Health. 2025;22(4):SH25070. doi: 10.1071/SH25070. PMID:40977208.
• Li C, Wang K, Tanuma J, Shibanuma A, Gilour S, Phanuphak N, Tieosapjaroen W, Ong JJ, Zhang L, Bavinton BR. Exploring user preference for PrEP Service delivery models in Japan: A discrete choice experiment amond men who have sex with men. Sexual Health (Accepted)
• Rayanakorn A, Dilokthornsakul P, Pongnikorn D, Ong JJ, Tieosapjaroen W. Preferences for Pre-exposure Prophylaxis (PrEP) among people who use drugs in Thailand: A discrete choice experiment. Int J Drug Policy. 2025;143:104913. doi: 10.1016/j.drugpo.2025.104913. PMID: 40669388.
• Tieosapjaroen W, Williams E, Johnson CC, Baptista Da Silva C, Barr-DiChiara M, Ong JJ. Web Annex D. Should HIV testing services with rapid diagnostic tests and/or self-tests be used for initiation or continuation of injectable long-acting PrEP? In: Guidelines on lenacapavir for HIV prevention and testing strategies for long-acting injectable pre-exposure prophylaxis (PrEP). Geneva: World Health Organization; 2025.  https://doi.org/10.2471/B09479
• Sun J, Ong JJ, Schmidt HM, Chan C, Bavinton BR, Green KE, Phanuphak N, Poonkasetwattana M, Suwandi N, Fraser D, Tang W, Cassell M, Boonyapisomparn H, Choi EPH, Zhang L, Tieosapjaroen W. Preferences and willingness to use pre-exposure prophylaxis for HIV among men who have sex with men in mainland China and Hong Kong. Sex Health. 2025;22:SH24247. doi: 10.1071/SH24247. PMID: 40418727.
• Huang W, Stegmueller D, Ong JJ, Wirtz SS, Ning K, Wang Y, Mi G, Yu F, Hong C, Sales JM, Liu Y, Baral SD, Sullivan PS, Siegler AJ. Technology-Based HIV Prevention Interventions for Men Who Have Sex With Men: Systematic Review and Meta-Analysis. J Med Internet Res. 2025;27:e63111. doi: 10.2196/63111. PMID: 40293786.
• Zhao Y, Li H, Huang Y, Zhou Z, He Z, Agins B, Ong JJ, Zou H, She Y, Jiang H. HIV pre-exposure prophylaxis (PrEP) use among PrEP-eligible men who have sex with men: A systematic review and meta-analysis. Int J Infect Dis. 2025;154:107874. doi: 10.1016/j.ijid.2025.107874. PMID: 40081736. 
• Wirawan B, Schmidt H, Chan C, Fraser DB, Ong JJ, Mcassell, Zhang, L, Tieosapjaroen W, Nittaya P, Tang W, Suwandi N, Green P, Dobbins T, Bavinton B. Pre-Exposure Prophylaxis (PrEP) Use and Willingness Cascade Among Gay, Bisexual, and Other Men Who Have Sex with Men (GBMSM) in 15 Asian Countries/Territories: an Analysis of the PrEP APPEAL Survey. Journal of the International AIDS Society. 2025;28(4): e26438. doi:10.1002/jia2.26438. PMID: 40156168; PMCID: PMC11953173.