Monday, May 17, 2010

Great Article on START

Tim Horn wrote a great article on a subject we brought up a few weeks ago, START.  You can read his entire article HERE on Poz.com. To read our brief blog post, go HERE. Here is an excerpt from it.


...Early treatment may also benefit the greater good of the public health. Some research suggests that undetectable viral loads in a large swath of the HIV population can potentially slow the spread of the virus. In turn, public health officials are considering whether widespread, immediate ARV therapy could be an effective HIV prevention tactic.


Few experts and activists argue that the research supporting early treatment is anything less than encouraging. Where there is less agreement, however, is whether enough sound, scientific research has been conducted to spell out the benefits and risks—the increased (or decreased) likelihood of short- and long-term side effects, adherence challenges and the development of drug resistance, for example—of early treatment and to warrant major changes to public policy. In fact, some of the most experienced and trusted sources of HIV prevention and treatment policy are struggling to make the right call...

...

The rationale behind recommending treatment for those with up to 500 CD4s comes primarily from two large cohort studies. The North American AIDS Cohort Collaboration on Research and Design (NA-ACCORD) study and the ART Cohort Collaboration (ART-CC) study suggested that people who waited to start treatment until CD4s dropped below 350 faced a higher risk of premature death, from any cause, than people who start treatment at a CD4 count above 350.


Further evidence in support of early treatment—again from cohort studies—suggests that uncontrolled HIV replication might be associated with a number of illnesses not traditionally associated with AIDS. These include non-AIDS-related cancers, cardiovascular disease, liver disease, kidney disease and immune inflammation.

Simon Collins of HIV i-Base, an HIV treatment education and advocacy group in London, argues that these data need to be interpreted with a critical eye. Not only are the observed differences marginal, but the data reported thus far only come from studies with important limitations.

“The few studies involving patients starting at 350 and 500 show both options are very safe and very effective,” Collins says. “In [NA-ACCORD], 19 out of 1,000 people died in the first year of treatment if they started at 350, compared with 16 out of 1,000 people who started above 500. The absolute risk of death in both groups was very small. The difference in the absolute risk between the groups—0.3 percent—could easily have been due to confounding factors [factors unrelated to HIV] that [cohort study limitations] can’t account for.”

No comments:

Post a Comment