Showing posts with label DoxyPEP. Show all posts
Showing posts with label DoxyPEP. Show all posts

Thursday, June 4, 2026

Gonorrhea is the Chink in DoxyPEP's Armor

By: Marcus J. Hopkins, Health Policy Lead Consultant, ADAP Advocacy

Recent studies have shown that DoxyPEP (doxycycline post-exposure prophylaxis) is becoming less effective against the bacterial sexually transmitted infection (STI) gonorrhea. Concerns are rising among certain public health groups, such as the Centers for Disease Control & Prevention and European counterparts, but Doxy-PEP remains regarded as a highly effective prevention method for high-risk groups.


Doxycycline
Photo Source: Harvard Health Publishing

For the uninitiated, DoxyPEP is a post-exposure oral medication provided within 72 hours after a sexual encounter that reduces the likelihood of acquiring bacterial STIs, including syphilis, chlamydia, and gonorrhea. In the initial DoxyPEP trial, researchers found that the incidence of syphilis decreased by 87%, chlamydia by 88%, and gonorrhea by 55% (Dall, 2026). After this initial study, the Centers for Disease Control and Prevention (CDC) released clinical guidelines for its utilization in 2024 (Bachmann et al., 2024).


Even in the initial study, the reduced incidence of gonorrhea was modest, at best; subsequent studies have shown that a rapid increase in tetracycline-resistant strains of gonorrhea has greatly reduced or all but eliminated DoxyPEP’s efficacy against the infection.


Research published in JAMA Internal Medicine found that the incidence of STI cases of syphilis and chlamydia in San Francisco, CA, decreased significantly among Men who have Sex with Men (MSM) and transgender women against projected case numbers, while the incidence of gonorrhea increased significantly (Sankaran et al., 2025).


Another study published in Clinical Infectious Diseases suggests that widespread utilization of DoxyPEP may actually be contributing to the increase in tetracycline-resistant gonorrhea strains in King County, Washington state, which has resulted in the county health department revising its guidelines on the utilization of doxycycline to treat other bacterial issues, including skin and soft tissue infections and lower respiratory tract infections (Soge et al., 2025).


A third study published in The Lancet Infectious Diseases similarly suggests that widespread utilization of DoxyPEP may be inadvertently increasing the propagation of multidrug-resistant strains of gonorrhea in southern California (Yechezkel et al., 2026).


Gonorrhea
Photo Source: emedicinehealth.com

Drug-resistant strains of gonorrhea have been a concern in the United States for some time, and researchers have been sounding the call against overreliance upon DoxyPEP as a harm reduction tool against the STI for just as long. A correspondence published in the New England Journal of Medicine in 2025 warned that multidrug-resistant strains have been spreading globally, including strains that carry resistance to the antibiotic ceftriaxone (Helekal et al., 2025).


Sexual health advocates have been heralding DoxyPEP as one of the first effective methods for preventing STIs transmission since the findings of the initial study, including those at the American Sexual Health Association (ASHA, 2025). There is no doubt that DoxyPEP has clearly been shown to be effective against syphilis and chlamydia; however, ADAP Advocacy recommends that organizations begin having realistic conversations about its efficacy against, as well as the continued increase in propagation of, multidrug-resistant strains of gonorrhea.


These conversations need not be “sex-negative,” focusing on fear and shame-based representations of sexual activity; they do, however, need to be realistic.


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Disclaimer: Guest blogs do not necessarily reflect the views of the ADAP Advocacy Association; rather, they provide a neutral platform for the author to promote open, honest discussion of public health-related issues and updates.

References:

[1] American Sexual Health Association. (2025, May 09). Learn More About Doxy PEP from Three People Who Take It. Research Triangle Park, NC: American Sexual Health Association. https://www.ashasexualhealth.org/learn-more-about-doxy-pep-from-three-people-who-take-it/

[2] Bachmann, L. H., Barbee, L. A., Chan, P., Reno, H., Workowski, K. A., Hoover, K., Mermin, J., & Mena, L. (2024, June 06). CDC Clinical Guidelines on the Use of Doxycycline Postexposure Prophylaxis for Bacterial Sexually Transmitted Infection Prevention, United States, 2024. Morbidity and Mortality Weekly Report Recommendations and Reports, 73(2): 1-8. http://dx.doi.org/10.15585/mmwr.rr7302a1

[3] Dall, C. (2026, May 11). Study shows doxyPEP’s diminished effectiveness against gonorrhea. Minneapolis, MN: University of Minnesota: Research and Innovation Office: Center for Infectious Disease Research and Policy: Antimicrobial Stewardship. https://www.cidrap.umn.edu/antimicrobial-stewardship/study-shows-doxypep-s-diminished-effectiveness-against-gonorrhea

[4] Helekal, D., Mortimer, T. D., & Grad, Y. H. (2025, July 09). Expansion of tetM-Carrying Neisseria gonorrhoeae in the United States, 2018–2024. New England Journal of Medicine, 393(2), 198-200. https://doi.org//10.1056/NEJMc2504010

[5] Sankaran, M., Glidden, D. V., Kohn, R. P., Nguyen, T. Q., Bacon, O., Buchbinder, S. P., Gandhi, M., Havlir, D. V., Liebi, C., Luetkemeyer, A. F., Nguyen, J. Q., Roman, J., Scott, H., Torres, T. S., & Cohen, S. E. (2025, January 06). Doxycycline Postexposure Prophylaxis and Sexually Transmitted Infection Trends. JAMA Internal Medicine, 185(3), 266-272. https://doi.org/10.1001/jamainternmed.2024.7178

[6] Soge, O. O., Thibault, C. S., Cannon, C. A., McLaughlin, S. E., Menza, T. W., Dombrowski, J. C., Fang, F. C., & Golden, M. R. (2025, June). Potential Impact of Doxycycline Post-Exposure Prophylaxis on Tetracycline Resistance in Neisseria gonorrhoeae and Colonization With Tetracycline-Resistant Staphylococcus aureus and Group A Streptococcus. Clinical Infectious Diseases, 80(6), 1,188-1,196. https://doi.org/10.1093/cid/ciaf089

[7] Yechezkel, M., Helekal, D., Kapadia, B., Hong, V., Pomichowski, M. E., Reyes, I. A. C., Davis, G. S., Müller, N. F., Grad, Y. H., Tartof, S. Y., & Lewnard, J. A. (2026, May 07). Durability of doxycycline effectiveness against gonorrhoea after implementation of post-exposure prophylaxis in southern California, USA: a retrospective, test-negative, observational study. The Lancet Infectious Diseases. https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(26)00123-4/fulltext

Thursday, January 16, 2025

Real-World Data Yields Promise for DoxyPEP

By: Ranier Simons, ADAP Blog Guest Contributor

Sexually transmitted diseases (STIs) are serious, highly communicable diseases that, left unchecked, can cause serious harm and even be life-threatening. Some, such as HIV, are incurable. Others can be disfiguring, cause sterility, or even brain damage and congenital abnormalities. (NIH, 2017). Three of the most common curable STIs are syphilis, chlamydia, and gonorrhea. In the U.S., over 2.4 million cases of syphilis, gonorrhea, and chlamydia combined were diagnosed and reported in 2023. (Press, 2024). A recent treatment innovation being adopted in the fight against STIs is doxycycline post-exposure prophylaxis, commonly referred to as doxyPEP. Clinical trials have shown promising results, and recent data shows the promise of its effectiveness in real-world populations of sexual networks.

Bottle of Doxycycline
Photo Source: Chicago Department of Public Health

DoxyPEP is the administration of 200 mg of doxycycline within 24 hours of unprotected sex. (Lou, 2025). Two previous clinical trials, the DOXY/PEP study in the U.S. and the DOXYVAC study out of France, indicate that DoxyPEP is effective for STI prevention. However, the sample sizes of the studies were small, and it is necessary to investigate the effectiveness of the intervention on larger populations out in the real world. The DOXY/PEP study contained 501 participants, and the DOXYVAC study included 556. (Molina, 2024; Susman, 2022). Two recent studies indicate the high efficacy of more extensive population-level doxyPEP implementation. One study was conducted in San Francisco, and the other studied populations in Northern California.

The study out of San Francisco was a population-level interrupted time series analysis of STI cases of men who have sex with men (MSM) and transgender women before and after the city issued citywide doxyPEP guidelines in 2022. (Sankaran, 2025) During the study period, there were 6694 cases of chlamydia, 9603 cases of gonorrhea, and 2121 cases of early syphilis. The study's objective was to observe the percentage differences between STI-modeled projected infections and observed STI rates after citywide doxyPEP was initiated. By the end of the study period, chlamydia cases had decreased -49.64% and early syphilis cases by -51.39% compared to projected case levels. However, there was an increase in gonorrhea cases compared with projections.

The Northern California study was a retrospective cohort examination of adult Kaiser Permanente Northern California (KPNC) members who were given HIV PrEP from November 1, 2022, through December 31, 2023. (Trager, 2025) In the study of 11,551 subjects, 2253 were dispensed doxyPEP. The primary outcome of the study was the examination of quarterly rates of STI positivity. Among those on doxyPEP, quarterly chlamydia positivity decreased from 9.6% before doxyPEP administration to 2.0% after. Gonorrhea positivity decreased from 10.2% to 9.0%. Syphilis positivity lowered from 1.7% to 0.3%. Rates remained stable among those who were not utilizing doxyPEP.

The CDC has officially recommended the use of doxyPEP for STI prevention for MSM and transgender women since June of 2024. (Lou, 2025). Counseling for doxyPEP is especially encouraged for members of this population who have had at least one STI infection in the past year. Notably, doxyPEP has had questionable efficacy related to gonorrhea. In the San Franciso study, there was an increase in gonorrhea cases. The Kaiser Permanente study showed lower rates of gonorrhea positivity in rectal and urethral site infections with an increase in pharyngeal gonorrhea rates. These findings support the hypothesis that pharyngeal tissues could be a reservoir of gonorrheal antibacterial resistance and the possibility of increased risk of gonorrheal antibacterial resistance overall.

These aforementioned studies indicate that doxyPEP is potentially an efficacious modality of STI prevention not just in clinical studies but also out in the real world. However, larger, more targeted studies must be conducted on wide populations to gain a deeper understanding. The San Francisco and Kaiser Permanente studies only show a correlation and not a causal relationship between doxyPEP and lowered STI rates because the studies are observational. Regardless, doxyPEP is making a significant dent in STI transmissions and only time will reveal its true efficacy and possibility of antibiotic resistance risk.

About DoxyPEP: https://www.sfcityclinic.org/services/sti-and-hiv-prevention/doxy-pep
Photo Source: San Francisco City Clinic

[1] NIH. (2017). Why are sexually transmitted diseases (STDs) and sexually transmitted infections (STIs) of particular concern for pregnant women? Retrieved from  https://www.nichd.nih.gov/health/topics/stds/conditioninfo/concern#:~:text=STIs%20during%20pregnancy%20can%20also%20cause:&text=Miscarriage%20(fetal%20loss%20before%2020,Health%20complications%20in%20the%20mother

[2] Lou, N. (2025, January 6). DoxyPEP Rollout Tied to Dent in STI Epidemic in the Real World. Medpagetoday.com; MedpageToday. Retrieved from https://www.medpagetoday.com/infectiousdisease/stds/113668

[3] Molina, J.-M. (2024). Doxycycline prophylaxis and meningococcal group B vaccine to prevent bacterial sexually transmitted infections in France (ANRS 174 DOXYVAC): a multicentre, open-label, randomised trial with a 2 × 2 factorial design. Lancet. Infectious Diseases/˜the œLancet. Infectious Diseases. https://doi.org/10.1016/s1473-3099(24)00236-6

[4] Press, A. (2024, November 13). STI Epidemic Slows as New Syphilis and Gonorrhea Cases Fall in the U.S. Medpagetoday.com; MedpageToday. Retrieved from https://www.medpagetoday.com/infectiousdisease/stds/112879

[5] Sankaran, M., Glidden, D. V., Kohn, R. P., Nguyen, T. Q., Bacon, O., Buchbinder, S. P., Gandhi, M., Havlir, D. V., Liebi, C., Luetkemeyer, A. F., Nguyen, J. Q., Roman, J., Scott, H., Torres, T. S., & Cohen, S. E. (2025). Doxycycline Postexposure Prophylaxis and Sexually Transmitted Infection Trends. JAMA Internal Medicine. Retrieved from  https://doi.org/10.1001/jamainternmed.2024.7178

[6] Susman, E. (2022, July 29). Post-Exposure Doxycycline Reduces STIs. Medpagetoday.com; MedpageToday. https://www.medpagetoday.com/meetingcoverage/iac/99983

[7] Traeger, M. W., Leyden, W. A., Volk, J. E., Silverberg, M. J., Horberg, M. A., Davis, T. L., Mayer, K. H., Krakower, D. S., Young, J. G., Jenness, S. M., & Marcus, J. L. (2025). Doxycycline Postexposure Prophylaxis and Bacterial Sexually Transmitted Infections Among Individuals Using HIV Preexposure Prophylaxis. JAMA Internal Medicine. Retrieved from https://doi.org/10.1001/jamainternmed.2024.7186

Disclaimer: Guest blogs do not necessarily reflect the views of the ADAP Advocacy Association, but rather they provide a neutral platform whereby the author serves to promote open, honest discussion about public health-related issues and updates. 

Thursday, August 22, 2024

HRSA Offers Guidance on Doxy-PEP to Stem the Tide of Rising STIs Among PLWHAs

By: Ranier Simons, ADAP Blog Guest Contributor

According to the Centers for Disease Control & Prevention (CDC), there were 2.5 million reported cases of gonorrhea, chlamydia, and syphilis in the United States in 2022.[1] The rates of sexually transmitted diseases (STIs) have been increasing globally, which is of particular concern for people living with HIV/AIDS (PLWHA). One strategy that is proving highly successful in combatting the spread of STIs is Doxy-PEP (post exposure prophylaxis).

Pharmacist's hand holding bottle of Doxycycline
Photo Source: The Washington Post

The presence of HIV in the body can, in some cases, make it harder to treat STIs.[2] Additionally, an STI can increase the HIV viral load in PLWHA who are not on treatment regimens.[3] For those with good antiretroviral adherence, an STI is not likely to change someone from undetectable to detectable. However, the numerous harms STIs inflict on the body make it essential to reduce STIs' impact on PLWHA. The Health Resources & Services Administration (HRSA) recently issued a letter to Ryan White HIV/AIDS Program (RWHAP) colleagues emphasizing their role in lowering the risk of STIs for PLWHA, as well as awareness of new clinical guidelines on the use of doxy PEP in preventing bacterial STIs.[4]

Doxy-PEP is the administration of 200 mg of doxycycline within 24-72 hours of condomless anal, vaginal, or oral sex and should not exceed a maximum of 200mg in any 24hr period.[5] Studies have shown that Doxy-PEP reduces syphilis and chlamydia infections by more than 70% and gonococcal infections by approximately 50%.[5]

Men who have sex with men (MSM) and transgender women (TGW) have been identified as groups disproportionately affected by STIs. Thus, CDC guidelines recommend that medical professionals target MSM and TGW who have had a bacterial STI in the past twelve months to offer education and counseling on the benefits of Doxy-PEP. After counseling and education, if desired, providers should provide prescriptions for Doxy-PEP to be self-administered.[5]

Take Two Doxy-PEP Within 24-72 Hours
Photo Source: The PrEP Clinic

HRSA’s letter specifically encourages RWHAP recipients to adopt the CDC guidelines and integrate Doxy-PEP into their protocols and clinical programs. The letter also urges state AIDS Drug Assistance Programs (ADAPs) to add Doxy-PEP to their drug formularies to facilitate equitable access and coverage for their eligible populations. In case they are unaware, HRSA reminds RWHAP colleagues that purchasing Doxy-PEP is an allowable cost. “RWHAP Parts A, C, and D recipients may contribute RWHAP funds to ADAPs to purchase medications and/or health care coverage and medication cost sharing for ADAP-eligible clients.”[4]

Proper administration of Doxy-PEP requires STI testing every three to six months, as well as evaluation of the appropriateness of continued utilization of doxy PEP.[5] Increasing the number of those utilizing the antibiotic intervention will also increase the instances of contact with care professionals. Increased contact means more opportunities for strengthening linkages to care and exploration of other points of need. One of the main goals of RWHAP is to improve the health outcomes of PLWHA. Adoption of Doxy-PEP practices and protocols would be another tool to add to comprehensive whole-person care along with established practices such as harm-reduction and risk-reduction counseling, facilitating access to PrEP, and regular STI testing.

Timeline on how Doxy-PEP works
Photo Source: The PrEP Clinic

Notably, HRSA’s letter highlighted the RWHAP Part F's AIDS Education and Training Center (AETC) Program and the RWHAP Part F Special Projects of National Significance Addressing STIs: “Ask. Test. Treat. Repeat.” Initiative.[6,7] Both programs provide training and information on the proper implementation of Doxy-PEP and ways to adopt and normalize routine testing of STIs. This letter from HRSAs HIV/AIDS Bureau is more than just an F.Y.I. It is a tangible outreach of support for RWHAP colleagues. 

Ryan White-funded organizations work tirelessly to stretch federal dollars to improve the health and well-being of the vulnerable populations of PLWHA they serve. Clear guidance on Doxy-PEP and the proliferation of educational resources directly acknowledges that the federal government is an active partner with and sees and embraces the efforts of RWHAP recipients.

[1] CDC. (2024, January 30). CDC’s 2022 STI Surveillance Report underscores that STIs must be a public health priority. Retrieved from https://www.cdc.gov/std/statistics/2022/default.htm

[2] U.S. Department of Health & Human Services. (2024, June 27). Sexually Transmitted Infections. Retrieved from https://www.hiv.gov/hiv-basics/staying-in-hiv-care/other-related-health-issues/sexually-transmitted-diseases#:~:text=Many%20STIs%20do%20not%20have,if%20you're%20sexually%20active.

[3] Stanford, A. (2023, September). Undetectable viral load and HIV transmission. Retrieved from https://www.aidsmap.com/about-hiv/undetectable-viral-load-and-hiv-transmission

[4] HRSA. (2024, July 31). Letter to Ryan White HIV/AIDS Program Colleagues. Retrieved from https://ryanwhite.hrsa.gov/sites/default/files/ryanwhite/grants/hab-doxy-pep-clinical-guideline-bacterial-sti-prevention.pdf

[5] CDC. (2024, June 6). CDC Clinical Guidelines on the Use of Doxycycline Postexposure Prophylaxis for Bacterial Sexually Transmitted Infection Prevention, United States, 2024. Retrieved from https://www.cdc.gov/mmwr/volumes/73/rr/rr7302a1.htm

[6] AIDS Education and Training Center Program. https://aidsetc.org/topic/sexually-transmitted-infections

[7] TargeyHIV.org. (2024). Addressing STIs: Ask. Test. Treat. Repeat. https://targethiv.org/intervention/addressing-stis-ask-test-treat-repeat?utm_source=bpURL

Disclaimer: Guest blogs do not necessarily reflect the views of the ADAP Advocacy Association, but rather they provide a neutral platform whereby the author serves to promote open, honest discussion about public health-related issues and updates.  

Thursday, March 14, 2024

CROI 2024 Highlights: Conference on Retroviruses and Opportunistic Infections

By: Ranier Simons, ADAP Blog Guest Contributor

The fight against HIV and other viruses like HCV and SARS-CoV-2 is a worldwide team effort. That is why the Conference on Retroviruses and Opportunistic Infections (CROI) convened from March 3rd through March 6th, 2024 in Denver, Colorado. Since 1993, CROI has brought together scientists, clinical scientists, and epidemiologists to present original groundbreaking research and collaborate to advance the treatment and prevention of HIV and other viral infections and opportunistic diseases.[8] CROI is one the first places research showing the effectiveness of triple-drug therapy for HIV was shared. It was also one of the first places where the results of the SMART study were shared, which proved that early treatment of HIV provides the best outcomes.[8] This year, 4,000 attendees gathered at CROI. Participants presented a multitude of novel and emerging therapies and studies. What follows are just a few notable highlights.

CROI 2024
Photo Source: CROI

Long-Acting Injectables Blaze Forward

GSK’s long-acting injectable, cabotegravir, has already shifted the antiretroviral therapy (ART) paradigm. Coupled with rilpivirine, it is one-half of Cabenuva, the first complete ART injectable approved by the U.S. Food & Drug Administration (FDA). Cabenuva allows people who live with HIV (PLWH) to change from taking daily pills to the Cabenuva injection monthly or every two months. Studies have proven it is effective for those who have medication adherence challenges. It also presents an option for PLWH who wish to make medication management a less intrusive part of their lives.

ViiV Healthcare, the HIV-focused subsidiary of GSK, presented data from a clinical trial for a revolutionary new ultra-long-acting cabotegravir at CROI.[7] The new formulation has a higher concentration and double the half-life, potentially allowing it to be dosed every four months instead of every two.[7] Further clinical trials will be conducted to explore the use of the new formulation of cabotegravir as PrEP and as a treatment for PLWH. GSK’s goal is to have the first long-acting injectable for HIV prevention on the market by 2026 and for HIV treatment by 2027. The company also aims for an annual long-acting injectable by the first part of the 2030s.

DoxyPEP for STIs

DoxyPEP stands for doxycycline post-exposure prophylaxis. It is the practice of taking 200mg of oral doxycycline within 24 to 72 hours of condomless sex. Clinical trials have shown that DoxyPEP is effective in reducing the incidence of bacterial STIs such as syphilis and chlamydia. Results of Doxy PEP clinical studies of reducing STIs have been so promising that the CDC proposed guidelines for DoxyPEP usage in October 2022. However, those guidelines are not finalized.[1] 

Infectious disease professionals at CROI presented new data regarding DoxyPEP usage out in the real world among populations of people, mainly cisgender MSM and transgender women. Previous data was from clinical trials in contrast with new data that examined the results of DoxyPEP uptake in over 3,700 clients of sexual health clinics across San Francisco. Usage resulted in a 58% reduction in bacterial STI cases overall, a 67% reduction in chlamydia, and a 78% reduction in syphilis cases.[2] The real-world data indicated that when offered, there was a demand for DoxyPEP, and people consistently integrated it into their sexual health routine. As the Centers for Disease Control & Prevention (CDC) finalizes formal guidelines, DoxyPEP may potentially be solidified as another viable form of population wide STI prophylaxis.

Weekly Oral Antiretroviral Therapy

Long-acting injectable HIV therapy is not an optimal treatment modality for everyone. Nevertheless, other options for medication adherence that do not involve a daily regimen are needed for optimal health outcomes. At CROI, Gilead Sciences and Merck presented data from a clinical trial for a possible weekly oral antiretroviral therapy (ART) solution.

The solution is a weekly dosage of Gilead’s Sunlenca (lenacapavir), and an experimental drug named islatravir from Merck. [3,4] The phase 2 trial compared 104 patients taking daily Biktarvy (bictegravir 50mg/emtricitabine 200mg/tenofovir alafenamide 25mg tablets) with a group taking the weekly oral lenacapavir with islatravir. Data indicated that 94.2% of subjects taking the lenacapavir/islatravir combination maintained their viral suppression compared to 92.3% of the Biktarvy group.[3,4] The study will continue for another 48 weeks as open-label. This means that the study is no longer randomized. Both the medical professionals and the subjects know precisely what they are being given. There is no placebo. Studies move forward to open-label from randomized controlled studies once a high level of efficacy is proven and high benchmarks of defined endpoints are reached. 

Protecting Pregnant Women from HIV Infection

Research has shown there are physiological changes in the female body that cause a threefold increase in the risk of contracting HIV while pregnant.[5] This is especially troubling for countries where HIV is at an endemic level. Medications for HIV treatment and prevention are powerful, and it is crucial to find safe pharmaceuticals that will not harm the mother or the developing fetus.

At CROI, data from a multi-country (South Africa, Uganda, and Zimbabwe) clinical study presented safe options. A monthly flexible vaginal ring containing dapivirine as well as oral daily tenofovir disoproxil fumarate/emtricitabine PrEP (Truvada) were shown to be safe for use for pregnant women. The dapivirine vaginal ring is established in some African countries to be used as HIV prevention for cisgender women who are not pregnant. Truvada has already been proven to be safe for pregnant HIV-positive mothers to use.

The study was a randomized trial where pregnant women aged 18-40 used the dapivirine ring or received the oral PrEP up until delivery or for 41 weeks and six days, depending on which came first.[6] Only 1% experienced stillbirth or miscarriage, 95% of the women’s pregnancies went to term, and 4% of the births were premature.[6] Most importantly, none of the women contracted HIV. The results indicate that both the ring and Truvada are safe for pregnant mothers and their unborn fetuses to protect them from infection.

CROI continues to be a catalyst for pushing HIV and other infectious disease research forward. Scientific communities meet there, spurring the most qualified and passionate minds to collaborate and innovate. Whenever a cure for HIV is found, it would not be surprising if someone at a future session of CROI first presents it.

[1] DiMarco DE, Urban MA, Fine SM, et al. Doxycycline Post-Exposure Prophylaxis to Prevent Bacterial Sexually Transmitted Infections [Internet]. Baltimore (MD): Johns Hopkins University; 2023 Sep. Available from: https://www.ncbi.nlm.nih.gov/books/NBK597440/

[2] Carstens, A. (2024, March 6). DoxyPEP aces first real-world test. Retrieved from https://www.thebodypro.com/article/croi-2024-doxypep-real-world-clinical-data

[3] Clinical Trials Arena. (2024, March 7). Gilead-Merck’s combination therapy maintains HIV suppression in trial. Retrieved from https://www.clinicaltrialsarena.com/news/gilead-merck-hiv-trial/?cf-view

[4] Taylor, P. (2024, March 7). Gilead and MSD say weekly oral therapy controls HIV. Retrieved from https://pharmaphorum.com/news/gilead-and-msd-say-weekly-oral-therapy-controls-hiv

[5] Salzman, S. (2018, March 9).New study shows women's HIV risk triples during pregnancy, quadruples postpartum. Retrieved from https://www.thebodypro.com/article/new-study-shows-womens-hiv-risk-triples-during-pre

[6] HIV.gov. (2024, March 5). Vaginal ring and oral Pre-Exposure Prophylaxis found safe for HIV prevention throughout pregnancy. Retrieved from https://www.hiv.gov/blog/vaginal-ring-and-oral-pre-exposure-prophylaxis-found-safe-for-hiv-prevention-throughout-pregnancy

[7] Reuters. (2024, March 5). GSK's new HIV drug formula could support longer dosing intervals. Retrieved from https://www.reuters.com/business/healthcare-pharmaceuticals/gsks-new-hiv-drug-formula-could-support-longer-dosing-intervals-2024-03-04/

[8] CROI Foundation. (2024). General information about CROI. Retrieved from https://www.croiconference.org/about/

Disclaimer: Guest blogs do not necessarily reflect the views of the ADAP Advocacy Association, but rather they provide a neutral platform whereby the author serves to promote open, honest discussion about public health-related issues and updates.