Talk:Tyler Hamilton
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[edit] Rumour
I heard a rumour that the transfusion-doping claims were also cast into doubt because Hamilton is chimeral. Is there any truth to that? --ASL 05:57, 26 August 2005 (UTC)
From the looks of the quick search I just did, Hamilton is saying that chimerism is a possibility, not that he actually is. I'm a bit confused. --ASL 05:59, 26 August 2005 (UTC)
[edit] reversion of 13.03.06 contribution by unregistered user 71.37.161.250
Hamilton openly and frequently used the idea of "chimerism" in his defense. Here are a few example citations:
- Court for Arbitration in Sport, CAS 2005/A/884, Tyler Hamilton v/USADA & UCI (http://www.tas-cas.org then Case Law, then Tyler Hamilton, Part I, page 18, item 59) "In the Appellant’s appeal brief, a number of alternate submissions were made suggesting other possible causes for a second red blood cell population in the sample taken from the Appellant such as chimerism.”
- New York Times, May 10, 2005, Cheating, or an Early Mingling of the Blood?, (http://www.nytimes.com/2005/05/10/health/10bloo.html?ex=1142398800&en=bee5d80489509af3&ei=5070 -free registration required) “Last month, when the champion American cyclist Tyler Hamilton was accused of blood doping, or transfusing himself with another person's blood to increase his oxygen-carrying red cells, he offered a surprising defense: the small amount of different blood found mixed in with his own must have come from a ‘vanishing twin.’”
- Cycling News, April 19, 2005, The Hamilton Decision, (http://www.cyclingnews.com/news.php?id=features/2005/hamilton_decision) “Working under the assumption that Hamilton did in fact have a mixed RBC population in his body on September 11, 2004, the next part of his defence focused on other causes of said population. Both disease and bone marrow transplant were "ruled out as having a zero probability", leaving Hamilton to argue that he had a 'vanishing twin', that transferred some of its RBCs to Hamilton while he was in the womb, but disappeared in the first trimester of pregnancy; or that he is a human chimera, with a natural mixed RBC population.”
BitQuirky 00:18, 14 March 2006 (UTC)
- The "Demised Twin" statement is inaccurate, Tyler does not claim this, see his website
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- His website is, umm, perhaps not the most reliable source of information. The only other possible reasons for his "chimerism" would be hematopoietic disease or bone marrow transplantation. They were discussed in his CAS brief and ruled out for obvious reasons. Here is the link to the CAS decision again: http://www.tas-cas.org, then "Case Law", then "Tyler Hamilton."
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- BitQuirky 16:26, 2 July 2006 (UTC)
Hamilton is eligible for two-year Pro Tour suspension
Apparently the fourth paragraph of the "Doping and Suspension" section is incorrect. According to comments published on the VeloNews website <http://www.velonews.com/news/fea/10201.0.html>, UCI president Pat McQuaid says that although Hamilton's positive test occurred in 2004, his sanction was finalized in 2005, and the additional two-year suspension from the Pro Tour is applicable. It is unclear to me whether he'll be banned from riding in Pro Tour events altogether (since non-Pro Tour teams can sometimes compete in Pro Tour events) or whether he'll be permitted to ride in Pro Tour events on a non-Pro Tour team. Does anybody know anything?
- Although McQuaid ostensibly speaks for the UCI, his statement is open to interpretation and challenge. The most common practice has been to date the suspension from the date of the first positive sample. A 'speedy trial' doctrine would seem to apply.
- BitQuirky 14:18, 17 July 2006 (UTC)
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- Here's an informed opinion: <http://www.velonews.com/news/fea/10793.0.html>.
- BitQuirky 13:09, 1 September 2006 (UTC)
