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Dr Darrell H S Tan, MD PhD FRCPC

@darrelltan.bsky.social
158 followers 242 following 10 posts

ID doc and Clinician-Scientist at St Michael’s Hospital; Associate Professor at University of Toronto; Canada Research Chair in Biomedical HIV/STI Prevention; PI of www.optionslab.ca; caring human.

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Dr Darrell H S Tan, MD PhD FRCPC @darrelltan.bsky.social · 27/07/2026
The theme of this year’s AIDS Conference in Rio de Janeiro is Rethink, Rebuild, Rise. In that spirit: Activists took the stage during the Opening Ceremony just now to demand equitable access to the evidence-based treatment and prevention tools that we know could end the epidemic.
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Dr Darrell H S Tan, MD PhD FRCPC @darrelltan.bsky.social · 01/12/2025
Proud to announce on World AIDS Day today that our 2025 update to Canadian guideline on HIV PrEP and PEP is now published in @cmaj.ca! The guideline include 31 recommendations and 10 good practice statements to support clinical decision making. Learn more 👉 doi.org/10.1503/cmaj...
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Dr Darrell H S Tan, MD PhD FRCPC @darrelltan.bsky.social · 17/10/2025
Fresh from the podium at EACS 2025 in Paris: Doxycycline PEP was associated with a sustained positive impact on syphilis and chlamydia incidence but also increases in gonorrhea AMR in the open label extension of the DoxyVAC trial among GBM in France.
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Reposted by Dr Darrell H S Tan, MD PhD FRCPC
Timothy Caulfield @caulfieldtim.bsky.social · 02/08/2025
Looking forward to presenting the keynote "The Health Misinformation Crisis!" at #WTC2025! Warm up with my (current) Top 10 misinformation concerns: thewalrus.ca/before-you-s... via @thewalrus.ca #GoScience!
thewalrus.ca
You’re Not Imagining It. Health Misinformation Is Everywhere | The Walrus
And yes, some of it has probably gotten to you
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Reposted by Dr Darrell H S Tan, MD PhD FRCPC
IAS - the International AIDS Society @iasociety.bsky.social · 16/07/2025
The IAS welcomes the bipartisan move in the US Senate to protect the President’s Emergency Plan for AIDS Relief (#PEPFAR) from the proposed USD 400 million cuts in President Trump’s rescission package. 📢 Read our full statement now & join our call to safeguard essential #HIV services!
iasociety.org
IAS welcomes US bipartisan move to protect PEPFAR
16 July 2025 (Kig
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Dr Darrell H S Tan, MD PhD FRCPC @darrelltan.bsky.social · 15/07/2025
Dr Cissy Kityo highlighted the role of long-acting drugs for treating HIV in LMICs in this morning’s excellent plenary at #IAS2025, buoyed by yesterday’s announcement of the Viiv/MPP updated voluntary licensing agreement for CAB and updated WHO guidelines supporting CAB/RPV as a treatment option.
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Reposted by Dr Darrell H S Tan, MD PhD FRCPC
Dr Laura Waters @drlaurajwaters.bsky.social · 14/07/2025
Mitchell Warren of AVAC shares data, based on many assumptions, of potential injectable PrEP use in 2026 based on 2024 oral uptake & preference data. And the ways forward.....prioritise, prioritise, prioritise (sorry, I changed the spelling 😘) #IAS2025
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Dr Darrell H S Tan, MD PhD FRCPC @darrelltan.bsky.social · 05/06/2025
Grateful to have been asked to deliver the clinical sciences plenary talk at #cahr2025 a couple weeks ago about 'The Promise of PrEP'! www.youtube.com/watch?v=0xuF...
youtube.com
CAHR 2025: Clinical Sciences Plenary Session
YouTube video by CAHRACRV
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Dr Darrell H S Tan, MD PhD FRCPC @darrelltan.bsky.social · 31/05/2025
Important study on the limited value of using HIV RNA versus traditional Ag/Ab tests to screen for HIV among people using PrEP.
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Reposted by Dr Darrell H S Tan, MD PhD FRCPC
Clinical Infectious Diseases @cidjournal.bsky.social · 09/05/2025
Sustained Effectiveness of Doxycycline Post-Exposure-Prophylaxis in a Large Sexual Health Clinic over 96 Weeks: An Interrupted Time Series Analysis ✅ Just Accepted #IDSky
doi.org
Sustained Effectiveness of Doxycycline Post-Exposure-Prophylaxis in a Large Sexual Health Clinic over 96 Weeks: An Interrupted Time Series Analysis
Sexually transmitted infections remain prevalent in the U.S. This controlled interrupted time series study evaluated the impact of doxycycline post-exposure prophylaxis (doxy-PEP) among 4,592 PrEP users.
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Reposted by Dr Darrell H S Tan, MD PhD FRCPC
Clinical Infectious Diseases @cidjournal.bsky.social · 22/05/2025
The IDSA Journals Editorial Mentoring Program offers junior ID faculty hands-on experience in journal editing. Mentees will work closely with editors, review manuscripts, and attend IDWeek 2025. Stipend & travel support are included. Learn More ⤵️
academic.oup.com
Call for Applications for IDSA Journals 2025 Editorial Mentoring Program
The IDSA journals’ editorial mentoring program connects junior infectious diseases faculty (instructors and assistant professors) with journal editors for mentorship and training in the day-to-day work of a medical journal editor.
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Reposted by Dr Darrell H S Tan, MD PhD FRCPC
The New York Times @nytimes.com · 31/05/2025
Breaking News: The Trump administration has dealt a sharp blow to work on HIV vaccines, terminating a $258 million program critical to the research.
nytimes.com
Trump Administration Ends Program Critical to Search for an H.I.V. Vaccine
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Reposted by Dr Darrell H S Tan, MD PhD FRCPC
HIV Legal Network @hivlegalnetwork.bsky.social · 08/05/2025
Be part of Canada’s largest survey of 2S/LGBTQIA+ people! Help improve access to new HIV treatments! Regardless of your HIV status, your insights are crucial. Complete the Sex Now survey and influence the future of HIV treatment and prevention for everyone. sexnowsurvey.com
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Dr Darrell H S Tan, MD PhD FRCPC @darrelltan.bsky.social · 05/05/2025
A recent paper from my team highlighted by HIV Medicine.
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Dr Darrell H S Tan, MD PhD FRCPC @darrelltan.bsky.social · 03/05/2025
Honoured to have been asked by Dalhousie’s Division of Infectious Diseases to give the TJ Marrie lecture on “Mpox then and now: lessons learned from a re-emerging infectious disease” at the 2025 Research Day recently! Plus, inspiring presentations from students and the Cdn Centre for Vaccinology.
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