Showing posts with label Swiss declaration. Show all posts
Showing posts with label Swiss declaration. Show all posts

Wednesday, March 4, 2009

Swiss court: HIV exposure only "hypothetical" if on successful treatment

[NOTE: LifeLube meant to point you to this important article last week when it was first reported but got caught up and forgot. Our bad.]

by via Aidsmap by Edwin J. Bernard

Swiss court accepts that criminal HIV exposure is only 'hypothetical' on successful treatment, quashes conviction

In the first ruling of its kind in the world, the Geneva Court of Justice has quashed an 18-month prison sentence given to a 34-year-old HIV-positive African migrant who was convicted of HIV exposure by a lower court in December 2008, after accepting expert testimony from Professor Bernard Hirschel – one of the authors of the Swiss Federal Commission for HIV/AIDS consensus statement on the effect of treatment on transmission – that the risk of sexual HIV transmission during unprotected sex on successful treatment is 1 in 100,000.

Read the rest.

Read other LifeLube posts related to the Swiss Declaration - referred to above.




Wednesday, December 31, 2008

The Year in HIV/AIDS Treatment/Prevention


via POZ

A new non-nuke, the apparent cure of an HIV-positive patient receiving a bone marrow transplant and the possibility of earlier antiretroviral treatment for all make the top 10 list of treatment research developments for 2008.

Now more than 25 years since the 1983 discovery of HIV as the cause of AIDS, research continues at a steady clip in pursuit of sound prevention strategies, better treatments and—with a little bit of luck—a cure. While 2008 wasn’t exactly a year of earth-shattering discoveries, there were advances, setbacks and a few telltale hints of interesting things to come in 2009.

What follows is a review—including updated insight from some leading HIV activists— of the top 10 treatment research developments that made us sit up straight in 2008.

Read the rest.

Thursday, September 4, 2008

Case report - viral load undetectable in blood, but detectable in semen


[via Aidsmap]

An HIV-positive man with an undetectable viral load in his blood continued to have detectable levels of HIV in his semen, French doctors report in the September 12th edition of AIDS.

This case report will further inform discussions about the infectiousness of patients taking antiretroviral therapy prompted by the “Swiss Statement” in January. Other investigators have recently found an apparent case of HIV transmission involving a patient taking antiretroviral therapy who had an undetectable viral load. A separate French study found that approximately 5% of patients with an undetectable viral load in their blood had HIV present in their semen.

But US investigators found no cases of HIV transmission involving patients taking antiretroviral therapy with an undetectable viral load, and that when transmission did occur, it was related to viral load in blood rather than semen.

The current case involved an HIV-positive man who was receiving treatment at an assisted conception clinic. In June 2006, he started antiretroviral therapy with a regimen that included AZT, 3TC and fosamprenavir/ritonavir. His blood viral load fell to undetectable levels four months later, but viral load in his semen remained detectable.

In May 2007 the patient’s antiretroviral treatment was changed to FTC, tenofovir and lopinavir/ritonavir. The viral load in his blood remained undetectable, but after six months of this new treatment HIV remained detectable in his semen.

After eleven months of treatment with this second regimen viral load in the patient’s semen slowly declined to below 400 copies/ml.

The investigators could find no obvious reason why viral load had remained detectable for so long in the patient’s semen. There was no evidence of resistance to antiretroviral drugs in either the patient’s blood or semen. Nor did the patient have any sexually transmitted infections. Furthermore, the patient’s adherence to antiretroviral therapy appeared good, with blood viral load measurement over a two year period being undetectable.

“This case report confirms that highly active antiretroviral therapy may act at different rates in the blood and semen and that HIV may continue to be shed into the semen despite effective control of HIV in the blood”, write the investigators.

Poor penetration of antiretroviral drugs into the genital tract is thought by the investigators to be the likely explanation why HIV remained detectable in the patient’s semen for such a protracted period. In March 2008, ten months after treatment with the second regimen was started, only lopinavir/ritonavir could be detected in the man’s semen.

“Counselling on the prevention of sexual transmission should include the possibility of occult persistent HIV replication within the genital tract”, conclude the investigators.


Read more LifeLube posts regarding the Swiss declaration.

Wednesday, August 13, 2008

Systematic review unable to confirm or deny Swiss statement on infection risk with undetectable viral load

A systematic review of studies of serodiscordant couples where the HIV-positive partner was on antiretroviral treatment could neither confirm not disprove the recent Swiss declaration of a negligible risk of HIV transmission from a pesron on treatment with undetectable viral load, according to data presented during Thursday afternoon’s late breaker sessions at the XVII International AIDS Conference in Mexico City.

However, the review revealed some new information – that HIV transmission, from an individual not on treatment, had occurred in a 2005 Spanish study at a blood plasma viral load of 362 copies/ml.

The Swiss statement – which has caused controversy since it was published in January 2008 and which was discussed at a pre-conference satellite session last week – asserted that the per sexual act risk of HIV transmission from an HIV-positive individual on treatment with an undetectable viral load and no sexually transmitted infections to their HIV-negative partner is below 1 in 100,000.

To assess whether this was indeed the case, investigators from the University of Bern conducted an extensive search of published studies and conference presentations involving serodiscordant couples since 1996, when effective antiretroviral treatment first became available.

Read the rest on aidsmap.

Read more LifeLube posts on this topic.

Check out coverage of this topic on The Body - The Debate Continues: Does "Undetectable" Mean "Uninfectious"? - including a transcript of the satellite session that took place at the International AIDS Conference.

Friday, August 8, 2008

"Confidence in drug therapy" a cause for new HIV infections? Uh, not so fast...

posted to LifeLube via Fran...

Statements circulate at the International AIDS Conference, in news media and quoted by "authorities" that "confidence in drug therapy"is a strong reason reason MSM fail to prevent themselves from getting infected with HIV.

But that talk is glib and ignores the complex set of factors, circumstances and situations (some involuntarily) that result in a person becoming infected.

It's also a principle that hardly applies to a meaningful degree outside of a narrow band and geography in developed countries.

Every city, every location, every group has different characteristics. Better if agencies were to take more responsibility to go out and DO prevention in detail in each group rather than attributing infections to simple broad answers as a defense to why numbers remain high. If attitudes about drug therapy are a partial factor in doing prevention, take the effort to put things right.

The challenge in public messages is how to make people of every stripe - MSM in particular - understand how to act when they hear all at once together a jumble of news headlines which may sound - in bites - like:

1) Drugs dont work well if you are late to get them or non-adherent- if you are late, don't feel confidence in them; but if you get them, we want you to stick with them because HIV is now a successfully managed chronic disease, have confidence

2) In Switzerland heterosexual couples are not infecting each other because drugs "work"

3) In the US we don't endorse the Swiss view, the Swiss are wrong, don't have confidence

4) But we do tell you - infected persons- that lowering your viral load on drugs will reduce the number of infections by 30-50% - have confidence in drugs

5) Having confidence in drugs - non-infected persons - causes infections- don't have confidence in them .

That's a jumble to most people who are not actively working in HIV programs. There is no question that messages should instill confidence in drugs both for treatment and prevention- confidence based on accurate facts and knowledge- does anyone want people to lack confidence in drugs?

Dumb idea.

Wednesday, July 30, 2008

HIV Transmission under HAART - Lancet Study and the "Swiss Statement"

HIV-Transmission under HAART - Lancet study rather supports "Swiss Statement" than challenging it!

von Pietro Vernazza letzte Aktualisierung 25. Juli 2008

In tomorrow's issue of the Lancet, Australian authors present a mathematical model to calculate the HIV-transmission risk under a HIV therapy. At the first sight it seems as if the calculations question the Swiss statement on HIV infectivity under HAART. However, an exact consideration of the paper rather strengthens the Swiss statement, as the authors of the editorial suggest.

The "Swiss Statement" was an information to Swiss physicians that the Swiss Commission on AIDS-related issues presented issued in January 2008. It said that physicians could inform their patients that the sexual transmission risk to the partner is negligibly low if three conditions were met:

  • HIV-infected patient is under a physician controlled antiretroviral therapy with excellent adherence
  • Blood viral load has constistently been undetectable (<40cp/ml)>
  • no sexually transmitted diseases are present in neither of the partners

The statement also made clear, that it is only the HIV negative partner who can decide for himself whether he/she wants to stop using condoms with the treated partner.

The authors of the Lancet article from the 26.7.08 (David P Wilson, Matthew G Law, Adnrew E Grulich, David A Cooper, John M Kaldor) analyse potential consequences on new HIV infections if the Swiss statement would be followed. In their mathematical model the authors use the known Rakai partner study as their basis (Quinn et al, NEJM 2000). This work has shown that the risk of transmission is dependent on the virus load in the blood. In this population of approx. 450 HIV-discordant couples the HIV-transmission risk was doubled (x2.45) with every 10-fold rise of viral load in the blood

Simple mathemathical model used
The authors used this factor and computed a linear model in which the transmission risk was extrapolated for very small values of viral load. The transmission risk per sex act was therefore calculated for values of blood viral load around 10 cop/ml. The linear approximation is shown in the figure at right (click on figure for enlarged view). By definition, the transmission risk of such a log-log curve can never be zero. In other words, the authors refuse the existence of a threshhold level, below which no transmission would occur.

Estimation of the transmission risk by anal sex
In the Rakay study, only heterosexual couples were included. To calculate the per contact risk of anal sex among men having sex with men (MSM) for very low viral load values, the authors took the linear model (above) and elevated this curve by the mean difference in transmission risks among heterosexual couples and MSM (factor 20). This "parallel movement" of the risk increases the threshhold problem mentionned above. With this extrapolation, the authors receive highly unplausible values: Based on this calculation, the risk of transmission in one receptive anal contact with a man having only 10 viral copies per ml of blood (i.e. 5 viruses!) would be 1 in 6000. Such a risk estimate is hardly plausible. In the Swiss HIV cohort study (and presumably elsewhere, too) almost 20% of the patients do not use condoms consistently with their steady HIV-negative partner (Panozzo et al).

Reality differs!
In fact, such a high risk of transmission under HAART would be difficult to oversee. After all these years of HAART, we would expect to have documented several occasions of HIV transmision. Many experts as myself have been searching for such unusual cases over many years. As the Swiss Commission clearly stated: the risk is not zero (can never be assertained) but it must be in the range of our normal daily risks and this statement was restricted to situations very specific situations (see conditions above).

Most important risk factor for sexual transmission: Sexually transmitted infections
The mathematical Model presented in the LANCET did not consider one key aspect of the Swiss statement: The most important factor (beside blood viral laod) that increases transmission risk, namely sexually transmitted diseases (STD), namley syphilis, gonorrhea, trichomoniasis and herpes. Such STDs have certainly fueld transmission in the Rakai-Study as well. We know that genital viral concentration can increase 10-fold in the situation. In part, the increased average transmission risk among MSM are a result of the incresed incidence of STDs in this population. The Swiss statement has emphasized the absence of STDs, therefore a caclutlation including the risk in the presence of STDs cannot falsify the Swiss statement.

In summary, it seems obvious, that all the mentioned biases of the mathematical model will increase the risk estimate for HIV transmission under HAART.

Swiss Statement: Distinction, not absolution!
The Swiss Statement was widely misinterpreted by many people who have never read the original paper. The statement is not an "absolution" for HIV-positive indivuduals under fully suppressive HAART. Rather, the statement made a clear distintion of a subgroup of individuals with very limited risk to transmit the virus. Prior to our statement, many physicians have talked in private to their patients and informed them about a the limited risk of transmission under HAART. However, the informations were not openly communicated and to our best knowledge were seldom stressing the importance of the absence of STDs. One goal of the EKAF statement was to stress the importance of STDs and perfect adherence in communications regarding the very low risk of HIV-transmission under HAART. At least in Switzerland, this goal was clearly achieved and the message was well accepted.

The Australian study supports the Swiss statement
In fact, the data presented by Wilson et al. acutally support the Swiss statement as the editorialists (Garnett & Gazzard) conclude. In their commentary, Garnett and Gazzard have calculated per couple transmission risks based on the assumptions included in the Wilson paper (after 100 sexual episodes). Wilson et al. also included an estimate of the effectiveness of condoms. Using these figures, Garnett et Gazzard found that 100% condom use in the absence of HAART was as risky (or even riskier) than having sex without a condom on a fully suppressive HAART (see figure, click on figure to enlarge). In fact, this was exactly what the Swiss statement said: The residual risk of transmission on HAART without a condom was in the same range than having sex without condom in the absence of treatment. Thus, the Australian authors assumptions acutally confirmed the Swiss statement.

Responsible patients are able to decide for themselves
The Swiss statement never assumed a zero risk under fully suppressed HAART but rather stated, that the risk is in the range of other risks in daily life. In fact, the risk of transmission during condom protected sex in the absence of treatment is not zero either, nor is the risk of oral sex (without ejaculation). Nevertheless, oral sex and condom use are widely accepted methods of safer sex.

Other risks of daily life are also illustrative: Among 200'000 Swiss alpinists that spend a weekend in the alps, ten loose their lives every year in an avelange. This risk (1:20'000) is socially accpeted and regular insurances cover it without recourse. The Swiss HIV Experts considered it reasonalbe that an HIV-negative Parnter might be informed by the physician about the neglible risk. It was felt that the partners may decide for themselves how to deal with the final residual risk. This is comparable to the alpinist or to the partner who practices oral sex without condoms. They have all been adequately informed about their limited risk.

Other problems of the mathematical model
For the more experienced reader I would like to mention two other problems of the mathematical model by wilson et al. One is relates to the calculation of a cumulative risk (after 100 or 1000 sexual contacts). Epidemiological studies have told us, that the risk of transmission decreases over the duration of a partnershipt. To some extent, an aquired cell-mediated or mucosal immune defense might be responsible for this decline in transmission probability. Very little viral exposure might stimulate the immune defense rather than lead to full-blown infection. A biological fact that was not considered in the mathematical model, where each sexual contact is associated with the same risk. However, biological considereations would rather suggest that there is a threshhold for sexual transmission below which the development of an HIV specific immune response in the partner is more likely.

These biological observations might also play a role in the difference in transmission risk estimates between heterosexual couples and MSM. The higher estimate of transmission risk in MSM might in part also be a result of a higher proportion of parnterships with a shorter duration. In fact, two studies of female-to-male transmission after a single exposure in Kenia and Thailand found a transmission probability that was at least tenfold higher (3-8%) than in established partnerships and in the same range as for MSM. Thus, the risk estimates for MSM used by Wilson et al. might also be based on wrong assumptions.

Source: Wilson et al, Lancet 26.7.2008, 372:314-20
Editorial: Garnett & Gazzard, Lancet 26.7.2008, 372:271-2


Read other LifeLube posts on the "Swiss Declaration."



Thursday, July 24, 2008

HIV safe-sex ruling debunked

Australian researchers have warned HIV-positive people to continue practising safe sex despite controversial suggestions that those receiving medical treatment may not be able to transmit the virus sexually.

The Swiss Federal Commission for HIV/AIDS stated earlier this year that HIV-positive people receiving effective antiretroviral treatment, and without any other genital infections, could not transmit the virus to a negative partner through sexual contact.

The statement was based on the fact that antiretroviral therapy, commonly in use to treat people with HIV in high-income countries, can lead to undetectable levels of the virus in people's blood.

But an article published by Australian researchers in The Lancet today concludes that if people with undetectable levels of the virus stopped using condoms, it could quadruple the number of new HIV infections over the next 10 years.

Dr David Wilson, a mathematical modelling expert with the National Centre in HIV Epidemiology and Clinical Research, said an analysis of risk factors for couples including one HIV-positive partner and one HIV-negative partner showed that the virus could still be transmitted.

"If the Swiss commission's conclusions were adopted at a community level and resulted in reduced condom use, it would be likely to lead to substantial increases in infection," he said.

Read the rest of this article.

Read other LifeLube posts on the "Swiss Declaration."


Thursday, February 14, 2008

Condom-Free Sex? Interview w/ Author of Controversial Swiss Declaration

February 12, 2008

At the 15th Conference on Retroviruses and Opportunistic Infections (CROI) in Boston, Regan Hofmann of POZ Magazine talks with Bernard Hirschel, MD, of the University Hospital, Geneva, Switzerland about a controversial Swiss position paper he co-authored declaring that HIV-positive people with undetectable viral loads cannot transmit HIV.

Check out the excellent, informative video here.

Read other LifeLube posts on the Swiss declaration here.

Monday, February 4, 2008

UNAIDS, WHO React to Swiss Claim About Antiretrovirals, HIV Transmission

via the Kaiser Daily HIV/AIDS report


UNAIDS and the World Health Organization last week responded to a claim by a Swiss state commission that HIV-positive people taking antiretroviral drugs cannot transmit the virus during sex under certain circumstances, AFP/Google.com reports. The organizations said that they "strongly recommend a comprehensive package of HIV prevention approaches, including correct and consistent use of condoms" (AFP/Google.com, 2/1).

The Swiss AIDS Commission on Wednesday in a report based on four studies said that couples with one HIV-positive partner do not need to use condoms to prevent HIV transmission provided that the HIV-positive partners are adhering to their treatment regimens, have suppressed HIV viral loads for at least six months and do not have any other sexually transmitted infections. Several HIV/AIDS advocacy groups and scientists expressed concern following the release of the report, noting that the research was focused on heterosexual couples and vaginal intercourse rather than anal sex (Kaiser Daily HIV/AIDS Report, 1/31).

UNAIDS and WHO in a joint release said that HIV-positive people "who are following an effective antiretroviral therapy regimen can achieve undetectable viral loads" at certain points during treatment and that research "suggests that when the viral load is undetectable in blood, the risk of HIV transmission is significantly reduced." The organizations added that despite these findings, "it has not been proven" that suppressed viral loads "completely eliminate the risk of transmitting the virus. More research is needed to determine the degree to which the viral load in blood predicts the risk of HIV transmission and to determine the association between the viral load in blood and the viral load in semen and vaginal secretions." In addition, further research should "consider other related factors that contribute to HIV transmission," including coinfection with other STIs, UNAIDS and WHO said.

According to the groups, a comprehensive HIV prevention strategy also includes:

Delaying first sexual activity;

Fidelity;

Decreased number of sexual partners;

Avoiding penetration;

Safer-sex practices, including the use of male and female condoms; and

Early and effective STI treatment (UNAIDS/WHO release, 2/1).

The release is available online.

Click LifeLube's post on this subject - Swiss Deconstruction - Untetectable = Safe?

Friday, February 1, 2008

Swiss Deconstruction - Undetectable = Safe?



Michael Hurley PhD of the Australian Research Centre in Sex, Health and Society analyzes the Swiss announcement re: sexual infectivity and viral load



Only on LifeLube



I admire the Swiss
for grasping the nettle.

The Swiss Federal Commission for HIV / AIDS recently announced that people with HIV who have undetectable HIV viral load and no sexually transmitted infections are not sexually infectious for HIV This has opened the door to excited discussion of its HIV health promotion possibilities. The Swiss announcement required that:

1. the person adheres to anti-retroviral therapy, the effects of which must be evaluated regularly by the treating physician, and

2.the viral load has been suppressed, and

3. there are no other sexually transmitted infections.

This is a very interesting development, that requires extensive consideration. If accepted, it appears to open the door for some people with HIV to negotiate unprotected anal intercourse with regular HIV negative partners in sero-discordant relationships and potentially also with HIV negative or partners of unknown sero status in casual sex. Given that we live in an instant news culture, the announcement is being discussed all over the world. One suggestion has been that we can now have Negotiated Safety (Mark 2) based on the model of Negotiated Safety named by researchers in Australia in the early 1990's and used in HIV education for gay men in several countries since the mid-90's. While I think that suggestion is mistaken, it does provide a useful way of considering matters of HIV education, prevention and health promotion.

Negotiated Safety involved HIV negative partners in a sero-concordant regular relationship choosing not to use condoms for anal sex on the basis of agreements negotiated between them. The main Australian campaign developed a protocol whereby the men Talk, Test, Trust, Test (TTTT) i.e. there was open overt discussion between the men on the nature of the relationship including where casual sex with other people outside the relationship fitted.

Some chose monogamy, many developed open relationships with or without anal intercourse with casual partners. The talk occurred in a 3 month period that included use of condoms in the relationship during that time and excluded casual anal intercourse for that period. This was accompanied by HIV tests at either end of the period to ensure both partners were HIV negative. Only after that process could Negotiated Safety properly occur and only inside the relationship. If strictly adhered to to it was a new form of safe sex within regular relationships between HIV negative men. It was accompanied by massive health promotion in the gay media in Australia and the production and circulation of resources including how to manuals. It became more complicated later with the major rise in the 2000's of STIs which increase vulnerability to HIV and it became apparent the agreements require re-negotiation over time as circumstances change (partners change, matters get taken for granted etc).

Talk, trust and testing are the central elements.

Because some are speculating that a new form of negotiated safety is possible on the basis of the Swiss announcement for the purposes of clarity in this discussion I am referring to Negotiated Safety (Mark 1) and Negotiated Safety (Mark 2)

BUT I AM NOT ENDORSING THIS USAGE.

The reasons why are evident in the following remarks.

Negotiated Safety (Mark 1) came from research naming existing neg-neg practices amongst some gay men in relationships AND the development of appropriate health promotion campaigns involving extensive education. The research went through a process of peer reviewed journal publication and conference presentations - see the references below. (Some people are are well versed in these histories, but others don't know them at all hence the detail in what I'm saying.)

Paul Kinder from the AIDS Council of NSW described the associated health promotion at the 1996 Vancouver AIDS Conference. I don't have the sense that Negotiated Safety has ever been systematically officially promoted in the USA (am I wrong?) as distinct from well informed people on the ground there understanding it was occurring amongst some gay men. Whereas it was systematically promoted in countries such as Australia, the Netherlands and the UK amongst others.

My point here is twofold. The science of these matters of viral load and it's AND its use in interventions needs to be vigorously assessed and discussed by scientists, by agencies and amongst gay men. Even if the science of viral load and STIs is correct, it still has to be incorporated into effective educational and campaign materials that are made widely available. In the case of negotiated Safety (Mark 1) this took considerable time and required careful brokering between agencies, funders and affected communities.

I admire the Swiss for grasping the nettle.

A few gay men especially in adventurous sex contexts are already factoring in viral load in casual sex and and in sero-discordant relationships. While the original Negotiated Safety protocol has worked well if strictly adhered to it does have its challenges and requires ongoing evaluation and change. There is a good discussion of these issues in relationship agreement negotiation here.

The discussion must acknowledge that different countries and areas and contexts within them have different knowledge levels. Further, testing rates matter enormously for these purposes. Negotiated Safety (Mark 1) was developed in a context of very high levels of HIV testing amongst gay men in Australia. STI testing is rising but occurs at lower rates. HIV positive people would need to engage in consistent, regular viral load tests and STI tests. This costs money - who funds it and for what purposes? In countries where health promotion has installed systematic risk management practices like those involved in Negotiated Safety (Mark 1) and where HIV education has been officially pro-sex (contested as it often is) it may be there are very different levels of knowledge amongst different gay populations. See Kane Race's papers below for excellent discussions of how these risk and biomedical knowledges play out in sexual cultures

Secondly, if new health promotion occurs on the basis of the the shift marked by the Swiss policy then I think it is is better NOT named as Negotiated Safety Mark 2, Even though there are possible similarities in any talk, trust, test talk protocol that might be required, the same name would create considerable confusion. The conditions under which each form would be negotiated are very different. This matters because any new form of negotiated safety would be potentially used in both sero-discordant relationships (not so with the original) and in casual sex (not so with the original) where the neg participants would need to know quite a lot about a sexual partner's viral load but trust might have to be immediate i.e. is contextually relative to a new person rather than a longer term partner and where the HIV positive person would have to maintain the highest levels of adherence and be very sure of their viral load.

While I would argue that Negotiated Safety inside neg-neg relationships is a form of 'safe sex', it's not at all clear that the safety required could have the same basis in casual sex. Much would depend on what the men knew about each other - some casual partners know each other, many don't. While some of these aspects also apply in regular relationships the context is different. That won't stop it occurring of course, but it means health promotion has to be very careful about what it says is possible or desirable. For example, many people simply won't wait 6 months and test multiple times before engaging in it. Even in the 3 month framework of NS#1 some people skipped the second HIV test or had unprotected anal intercourse with their partners before having the second test.

In terms of health promotion I believe we need to keep a sharp distinction between safe sex and risk reduction. I include Negotiated Safety (Mark 1) in safe sex. Negotiating (talking, trusting, testing) in sero-discordant relationships and in casual anal intercourse over a 6 month period with so many circumstantial variables throws up considerable contextual differences with what is involved in including viral load and STIs in sexual risk management.

At the moment the viral load, STIs and infectiousness knowledge suggests to me that 'we' who discuss these matters and educate others and have the sex are ourselves are not clear enough on the scientific complications, much less on the educational, policy and funding implications.

We need to talk at length, preferably internationally, however it is likely that different jurisdictions and countries will come to different conclusions. I'd need to be persuaded that it was safe sex rather than risk reduction to go anywhere near associating it with Negotiated Safety. I suggest that we stop doing so immediately. I suspect that as with sero-sorting and strategic positioning we're in the realm of risk reduction. That doesn't mean we don't do health promotion around it, but lets keep it clear we are dealing with risk and risk management. The forms of negotiation that are involved are different substantively, though potentially similar formally (TTTT).

Acknowledging that some men already practice this and trying to affect how that is done is one thing but promoting it as a form of safe sex would be a mistake.

It's not just the science that determines these matters. It's also about how people live their sexual and treatment lives.


Michael Hurley PhD is an HIV Social Researcher in Melbourne, Australia

He was a member of the International Gay Men's Health Thinktank (2001-2002). His reports "Then and Now - Gay Men and HIV" and "Cultures of Care and Safe Sex Amongst HIV positive Australians" are available here

References:
Kippax, S., Crawford, J. et al. (1993). Sustaining safe sex: a longitudinal study of a sample of homosexual men. AIDS 7(2): 257263. Kippax, S., Noble, J., Prestage, G., Crawford, J. M., Campbell, D., Baxter, D., & Cooper, D. (1997). Sexual negotiation in the 'AIDS era': Negotiated safety revisited. AIDS, 11, 191-197 Crawford, June M, Rodden, Pamela Kippax, Susan, Van de Ven, Paul (2001) Negotiated safety and other agreements between men in relationships: Risk practice redefined. International Journal of STD & AIDS,,v12n3, 164-170 March 2001 Prestage G, Kippax S, Noble J, Crawford J, Cooper D, Baxter D.Sydney men and sexual health: "negotiated safety" in a cohort of homosexually active men.Annu Conf Australas Soc HIV Med. 1994 Nov 3-6; 6: 125 (unnumbered abstract).
Race, K. (2003) Revaluation of risk among gay men. AIDS Education and Prevention. 15, 4: 369-81. Also available here
Race, K. (2001) The undetectable crisis: changing technologies of risk. Sexualities 4, 2: 167-189.

Thursday, January 31, 2008

Reactions to the Swiss News About ARV's

Via Kaiser's Daily HIV/AIDS Report and posted via LifeLube's trusted CRACK


HIV/AIDS Advocacy Groups, Scientists React to Swiss Claim About Antiretrovirals, HIV Transmission <http://www.kaisernetwork.org/daily_reports/rep_index.cfm?DR_ID=50131>



Some HIV/AIDS advocacy groups and scientists on Wednesday reacted with concern to a claim by a Swiss state commission that HIV-positive people taking antiretroviral drugs cannot transmit the virus during sex if they are adhering to their treatment regimens and have suppressed HIV viral loads for at least six months, AFP/Yahoo! News <http://news.yahoo.com/s/afp/20080130/hl_afp/switzerlandhealthdiseaseaids_080130205941> reports.

The Swiss AIDS Commission on Wednesday in a report based on four studies said that couples with one HIV-positive partner do not need to use condoms to prevent HIV transmission provided the above conditions are met and the HIV-positive partner does not have any other sexually transmitted infections. One of the studies -- published in the Swiss Bulletin of Medicine -- was conducted in Spain between 1990 and 2003 among 393 heterosexual couples with an HIV-positive person. The study found that none of the HIV-negative partners contracted the virus from an HIV-positive person taking antiretrovirals. Another study conducted in Brazil found that out of 93 couples, 43 with an HIV-positive partner, six people became HIV-positive. All six of the new HIV cases in the Brazil study were attributed to the HIV-positive partners not following their treatment regimens, AFP/Yahoo! News reports. The two other studies -- one conducted in Uganda and the other conducted among pregnant women -- had similar results, Bernard Hirschel, co-author of the Swiss report and an HIV/AIDS specialist at University Hospital <http://www.hug-ge.ch/> in Geneva, said.

Reaction
Several HIV/AIDS advocacy groups and scientists expressed concern following the release of the report, noting that the research was focused on heterosexual couples and vaginal intercourse rather than anal sex, according to AFP/Yahoo! News. Roger Peabody of the Terrence Higgins Trust <http://www.tht.org.uk/> in London said the "real thing" missing from the report was information about "anal sex and getting a new" STI. "We don't feel the scientific evidence is conclusive, and there are some key issues that are not covered" in the report, Peabody said.

The French HIV/AIDS advocacy group Act Up <http://www.actupparis.org/> said that only a small number of HIV-positive people would be affected by the findings and added that 40% of HIV-positive people taking antiretrovirals still carry the virus despite treatment adherence. France's National AIDS Council said the findings are not conclusive enough to apply to all HIV-positive people who follow their treatment regimens.

Hirschel said that although the report "can provoke certain fears," the information is "credible" and "relies on proven and certain facts" and "should be made known" (AFP/Yahoo! News, 1/30).

----------------------
Jim Pickett
via 'Berry

Wednesday, January 30, 2008

Swiss experts say individuals with undetectable viral load and no STI cannot transmit HIV during sex


[this is MAJOR]


Swiss HIV experts have produced the first-ever consensus statement to say that HIV-positive individuals on effective antiretroviral therapy and without sexually transmitted infections (STIs) are sexually non-infectious. The statement is published in this week’s Bulletin of Swiss Medicine (Bulletin des médecins suisses). The statement also discusses the implications for doctors; for HIV-positive people; for HIV prevention; and the legal system.


The statement, on behalf of the Swiss Federal Commission for HIV / AIDS was authored by four of Switzerland’s foremost HIV experts: Prof Pietro Vernazza, of the Cantonal Hospital in St. Gallen, and President of the Swiss Federal Commission for HIV / AIDS; Prof Bernard Hirschel from Geneva University Hospital; Dr Enos Bernasconi of the Lugano Regional Hospital; and Dr Markus Flepp, president of the Swiss Federal Office of Public Health’s Sub-committee on the clincal and therapeutic aspects of HIV / AIDS.


The statement’s headline statement says that “after review of the medical literature and extensive discussion,” the Swiss Federal Commission for HIV / AIDS resolves that, “An HIV-infected person on antiretroviral therapy with completely suppressed viraemia (“effective ART”) is not sexually infectious, i.e. cannot transmit HIV through sexual contact.”


Read the rest , including implications for HIV+ people, docs prevention programs and more, on aidsmap.


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