Sevilla tested positive for hydroxyethyl starch (HES) at the Vuelta a Colombia in August 2010.
UCI spokesman Enrico Carpani told Cyclingnews, “I can confirm it, but will not make any statement: just be aware the Spanish federation decision was not in accordance with UCI regulations.”
HES itself does not enhance performance but can act as a masking agent for other drugs.
The Spanish federation based its reduced ban for Sevilla on his claim that while in hospital for a crash which occurred in the race, he was treated with a serum containing the product.
At the 2010 Vuelta a Espana, Ezequiel Mosquera also tested positive for HES. A two-year ban has been recommended for him, on the basis that it was unclear how the substance entered his body.
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