14 votes

PEP in your step - the public health politics of Doxycycline STD prophylaxis for unprotected sexual activity

11 comments

  1. [5]
    patience_limited
    Link
    From the article: I'd prefer not to see this essay link moved to ~lgbt, even though LGBTQ+ concerns and homophobic opposition to stereotyped gay "promiscuity" are central themes in the article....
    • Exemplary

    From the article:

    Since their popularization during the outbreak of the AIDS crisis, condoms have, ironically enough, given birth to an array of sexual freedoms, among them the ability to have sex without risk of pregnancy or infection. Yet, as freeing as they can be, condoms have also, for many, been just as limiting—tethering sex, especially sex outside of monogamous, heterosexual, reproductive relationships, to a frankly unsexy public health imperative for latex prophylaxis.

    The condom doctrine is often untenable, especially where mishap, misadventure, drunkenness, forgetfulness, or coercion collides with even the most devout of condom-carriers. And for those it has most frequently been thrust upon, the informal prohibition of condomless sex fuels persistent stigma and anxieties about “contagion,” and inhibits erotic fantasies about the pleasures of bodily fluids and skin touching skin. In this way, condoms have answered one question—how to have sex in the presence of a range of biological risks—and posed another: namely, how to have sex without them.

    In 2023, a new tool is furthering the possibilities of safer sex without condoms. Like HIV PrEP, a pill that is close to 100 percent effective at preventing an HIV-negative person from acquiring HIV, doxycycline post-exposure prophylaxis, or DoxyPEP, is a dosing regimen that can drastically reduce the chances of someone becoming infected with a bacterial STI. Clinical trials in both HIV-positive and HIV-negative transgender women and gay, bisexual, and other men who have sex with men (GBMSM) have demonstrated that DoxyPEP, taken within seventy-two hours of sex without condoms, may be capable of preventing over 80 percent of infections by chlamydia and syphilis and upwards of 50 percent of gonorrhoea infections, which are all rapidly rising across the United States. Yet, despite evidence of efficacy and real-world benefit, outside of a handful cities—including San Francisco, Seattle, and Chicago—few jurisdictions, and none outside of the United States, have officially approved DoxyPEP as an “on-label” use of doxycycline.

    I'd prefer not to see this essay link moved to ~lgbt, even though LGBTQ+ concerns and homophobic opposition to stereotyped gay "promiscuity" are central themes in the article. This is an article about public health for humans doing what humans do in real life. Further, it engages with the question of what "responsibility" means in a time of drastically inequitable access to healthcare, particularly by race and for injectable drug users and sex workers.

    We like sex, and generally engage in it wherever, whenever, and however possible, as often as our complicated social relations, religious taboos, economic status, and other conditions will permit. Even though bacteria, viruses, fungi, and parasites have taken advantage of our predilections for direct intimate contact, we're at war with them, not each other. The article makes note that condoms are not generally objects of desire. They're just an available, not always acceptable or accessible, means of preventing STIs.

    I'd rather see sex made as safe as possible for everyone, taking into account real-world conditions, than under the capricious control of religious or other sorts of authoritarians. With respect to DoxyPEP for chylamidia, syphilis, and gonorrhea prevention, even the superficially plausible concerns about antibiotic resistance raised by public health authorities become questionable given the drug's widespread, continuous use for livestock and some human diseases. It's time they confess to morality bias rather than public health concern.

    Ideally, we'll have vaccines for some of the pathogens spread by sexual contact within the next decade, but don't hold your breath for any urgency in their testing and distribution until we can get the old-fashioned taboo mindset out of the way. The HPV vaccine, known to nearly eliminate cervical and other cancers from the major strains of oncogenic HPV, only has about 60% coverage of people in what's considered the at-risk age group (age 11 to age 45, and I beg to differ about that upper limit) in the U.S., with lower adoption outside major metropolitan areas.

    14 votes
    1. [2]
      updawg
      Link Parent
      That isn't very reassuring. I would rather just use a condom if I were in a situation to choose, especially because I'm not going to trust anyone's promises about birth control and it's not...

      may be capable of preventing over 80 percent of infections by chlamydia and syphilis and upwards of 50 percent of gonorrhoea infections

      That isn't very reassuring. I would rather just use a condom if I were in a situation to choose, especially because I'm not going to trust anyone's promises about birth control and it's not effective with the lifelong viral STDs. Seems to me like it would be better as a backup to condoms in case of oopsieses.

      8 votes
      1. patience_limited
        Link Parent
        The article doesn't talk about this, but it's not just a matter of reducing individual risk. There's compelling reason to control the rate of disease spread to more manageable levels. Syphilis has...

        The article doesn't talk about this, but it's not just a matter of reducing individual risk. There's compelling reason to control the rate of disease spread to more manageable levels. Syphilis has spiked very alarmingly, with infection rates comparable to the post-WWII era. There's a drastic increase in infections in newborns, who are very vulnerable and may have long-term sequelae even with prompt diagnosis and treatment.

        So reducing infections in sex workers and those who know they're engaging in high-risk behavior (e.g. not just gay men with multiple partners, but closeted, heterosexually married gay men or partnered heterosexual men who visit sex workers) is an important measure.

        4 votes
    2. [3]
      Comment deleted by author
      Link Parent
      1. [2]
        patience_limited
        Link Parent
        Thank you for contributing to the discussion, with a perspective outside the U.S.! I'm not working directly in public health, just a branch of healthcare applications and informatics. But I'm...

        Thank you for contributing to the discussion, with a perspective outside the U.S.!

        I'm not working directly in public health, just a branch of healthcare applications and informatics. But I'm still in professional and personal contact with a number of people who are directly involved with this in one way or another. I lost a close older high-school friend in the early years of the HIV epidemic, who died way too young via his exuberance in coming out and discovering the San Francisco bathhouses. I'll freely admit that's had a big influence on what I advocate for and why.

        2 votes
        1. [2]
          Comment deleted by author
          Link Parent
          1. patience_limited
            Link Parent
            And now you've got a tear in my eye (in a good way) for remembrance of him. But I want to emphasize, in his memory, the power of sexual joy. He was like a desert flower blooming after the long...

            And now you've got a tear in my eye (in a good way) for remembrance of him.

            But I want to emphasize, in his memory, the power of sexual joy. He was like a desert flower blooming after the long drought of an abusive Catholic upbringing and years of struggling with self-hate and self-denial. And he had so much ability to do good in the world that we were all deprived of, by way of the dreadful moralistic denial of public health services and research.

            1 vote
  2. [6]
    wait_im_a_whale
    Link
    This is a recipe for antimicrobial resistant STDs (and other bugs). Condoms are safe, effective, and lack this risk. Commenting on the risk of prophylactic use of antibiotics, without any evidence...
    • Exemplary

    This is a recipe for antimicrobial resistant STDs (and other bugs). Condoms are safe, effective, and lack this risk.

    Antimicrobial resistance, considered a “global health and development threat” by the World Health Organization, is certainly of immense concern, and it will require sustained observation in tandem with DoxyPEP’s widening implementation. But such a framing risks overstating the scale of the problem, which is already being carefully monitored and has only been very moderately indicated by existing clinical trials. And it singles out DoxyPEP—and, more subtly, its queer users—as exceptional threats for antimicrobial resistance.

    Commenting on the risk of prophylactic use of antibiotics, without any evidence of actual reason to use the antibiotics, does not single out queer people as an exceptional threat. The exceptional threat is any use of antibiotics as a prophylactic measure.

    The article simultaneously argues that prophylactic use is not widespread, so the risk of superbugs is minimal, but also argues that the use should be more widespread. The discussion of animal use and other uses (typically, on actual disease) distracts from the fact that overuse of antibiotics is bad. “Sustained observation” of the creation of antimicrobial-resistant bugs still creates antimicrobial-resistant bugs.

    11 votes
    1. [3]
      patience_limited
      Link Parent
      In the specific use case of DoxyPEP, there's direct surveillance for antibiotic resistance in the target organisms. Syphilis and chylamidia don't seem to have mechanisms for developing resistance...

      In the specific use case of DoxyPEP, there's direct surveillance for antibiotic resistance in the target organisms. Syphilis and chylamidia don't seem to have mechanisms for developing resistance to tetracyclines. Treatment is being administered before there are significant populations as in an active infection.

      Many human-colonizing organisms which can develop resistance to tetracyclines, have already done so because their use has been so widespread. I'm not saying that's a good thing, but it shouldn't preclude an intermittent use case where we know an intervention is beneficial without much added risk. The author legitimately points out that, given the numbers of people who take doxycycline every single day for acne or Lyme disease prophylaxis, it's hypocritical to restrict intermittent use by people who can't or won't avoid sex without condom use, when it's preventing the spread of crippling and potentially deadly diseases.

      There's a part of me that's very censorious about the idea of barebacking for its own sake without any consideration of risks. But I'm not in possession of a penis, and I won't argue with those who assert that condomless sex is a qualitatively different experience which is worth the risk for them. [I've had this discussion before with a close friend who's religious about PrEP and PEP use.]

      6 votes
      1. [2]
        wait_im_a_whale
        Link Parent
        I do not think the author’s comparison of Lyme disease and acne use is analogous to what the author proposes. Doxycycline is used in cases of acne where other drugs don’t work and in patients who...

        I do not think the author’s comparison of Lyme disease and acne use is analogous to what the author proposes. Doxycycline is used in cases of acne where other drugs don’t work and in patients who already have Lyme disease. People aren’t taking doxycycline to prevent those issues when they do not already have the issue, whereas this author is promoting antibiotic use in the absence of disease. If someone has an STD that is treatable by doxycycline, they should take it. The fact that doxycycline is in widespread use is a case for using it less, not expanding its use cases.

        4 votes
        1. patience_limited
          Link Parent
          Anecdote is not data, but I've taken a couple of long courses of doxycycline for hormonal acne (both as a teen and as an adult) that were prescribed without any particular concern for antibiotic...

          Anecdote is not data, but I've taken a couple of long courses of doxycycline for hormonal acne (both as a teen and as an adult) that were prescribed without any particular concern for antibiotic resistance or the effectiveness of other treatments. It was just "use this cream and consume these pills" at the dermatologist's behest. I didn't even have a particularly severe case on either occasion. I've even had my GP offer it again recently. (Frankly, OTC adapalene works well enough for me that I'm not willing to have perennial yeast again.)

          I still hear from cohorts that they're on more-or-less permanent doxycycline prescriptions for "I've got Lyme antibodies and my joints hurt, even though I don't have detectable active Lyme disease", various other conditions, or foreign travel. Granting that I work in healthcare (insert obligatory IANAD here), there doesn't seem to be great concern for resistance in using this drug. I'm not totally disagreeing with you - it shouldn't be prescribed for long-term use without more care in diagnosis and treatment.

          But the point of DoxyPEP isn't just to minimize individual consequences, it's to reduce the rate of disease spread. Having more cases also increases the risk of resistant mutations, so preventing infections is still a worthwhile use of the drug.

    2. [2]
      Mrqewl
      Link Parent
      Exactly. DoxyPEP. Seems like a very short sighted solution. It will work for maybe a generation, but then will be useless as all STIs will have evolved around it. Kind of like penicillin of today

      Exactly. DoxyPEP. Seems like a very short sighted solution. It will work for maybe a generation, but then will be useless as all STIs will have evolved around it. Kind of like penicillin of today

      6 votes
      1. patience_limited
        Link Parent
        Which is why we need vaccine research that doesn't shy away from what humans are actually vulnerable to. Relying on behavioral interventions only is as shortsighted as relying only on "don't click...

        Which is why we need vaccine research that doesn't shy away from what humans are actually vulnerable to. Relying on behavioral interventions only is as shortsighted as relying only on "don't click that e-mail attachment" to protect a company from malware. Someone's always going to forget, do it for curiosity's sake, etc., so it's better to have strong defenses that don't rely solely on behavior.

        5 votes