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Croatian cyclist From Wikipedia, the free encyclopedia
Matija Kvasina (born 4 December 1981) is a Croatian racing cyclist, who most recently rode for UCI Continental team Team Felbermayr–Simplon Wels. He finished 56th in the road race and 38th in the road time trial at the 2008 Summer Olympics in Beijing. In 2017, Kvasina was given a four-year doping suspension after a positive drugs test at that year's Flèche du Sud.[1]
Kvasina in 2014 | |
| Personal information | |
|---|---|
| Full name | Matija Kvasina |
| Born | 4 December 1981 Nova Gradiška, SFR Yugoslavia (now Croatia) |
| Height | 180 cm (5 ft 11 in) |
| Weight | 72 kg (159 lb) |
| Team information | |
| Discipline | Road |
| Role | Rider |
| Professional teams | |
| 2004–2008 | Perutnina Ptuj |
| 2009 | Amica Chips–Knauf |
| 2009 | Loborika |
| 2010 | Zheroquadro–Radenska |
| 2010–2012 | Loborika |
| 2012 | Tuşnad Cycling Team |
| 2013–2015 | Gourmetfein–Simplon |
| 2016 | Synergy Baku |
| 2017 | Team Felbermayr–Simplon Wels |
| Major wins | |
Stage races
| |
Born in Nova Gradiška, Kvasina was named by Synergy Baku as part of their squad for the 2016 season.[2]
In 2016, he won the overall title at the Tour of Croatia.[3]
Kvasina tested positive for an experimental drug known as Molidustat (BAY-85-3934), during two tests taken during the 2017 Flèche du Sud - a race in which he won. Molidustat represents a class of drugs that act on the same physiological pathways and enzyme cascades as those which are activated during altitude training. Oxygen deprivation has the effect of stimulating the body's production of erythropoietin (EPO) - Molidustat imitates this.[1][4] Kvasina was subsequently kicked out of the 2017 Tour of Austria.[5]
In oxygen poor environments the human body manufactures a protein called hypoxia-inducible factor (HIF), which initiates and drives the processes which allow the body to adapt to those low-oxygen conditions. Typically this involves increasing the concentrations of naturally made EPO, mobilising iron and an increase in the rate of red blood cell production. Under normal oxygen environmental conditions, HIF is kept in check (its actions are inhibited) by an enzyme called prolyl hydroxylase (PH). Moldustat stops PH from blocking HIF, thus, increasing both the concentrations of EPO and red blood cells in the body, imitating altitude training.[1]
Time trial, National Road Championships Road race, National Road Championships Time trial, National Road Championships Time trial Time trial, National Road Championships Time trial, National Road Championships
Overall Rhône-Alpes Isère Tour
Mountains classification Circuit des Ardennes Time trial Time trial, National Road Championships
Overall Tour of Croatia Time trial Overall Flèche du SudSeamless Wikipedia browsing. On steroids.
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