Douvan will feature in the Queen Mother Champion Chase at the Cheltenham Festival but favourite Altior has become a doubt for the race.
There had been suggestions over the weekend that owner Rich Ricci and trainer Willie Mullins would instead pitch the eight-year-old into the Ryanair Chase instead of going up against stablemate Min in Wednesday's two-mile race.
But Douvan was among nine horses declared for the Queen Mother on Monday which will give him a chance to atone for his disappointing display 12 months ago when failing to live up to his favourites' tag.
Altior is the big favourite to win the race this year, but trainer Nicky Henderson revealed on Monday morning that the eight-year-old has developed lameness in a leg and a final decision on his participation will be made on Tuesday.
He posted on his Twitter account: "Altior was unfortunately lame this morning in his near-fore leg and we have located some pus in the frog (of his foot).
"He was still able to exercise in the water treadmill this morning, which he regularly does anyway, and a poultice will now be applied and left on overnight to draw out the pus.
"The foot will also be 'tubbed' (stood in salt water) at regular intervals and the shoe will hopefully be replaced first thing tomorrow morning.
"Both our vet and farrier are working very hard and are more than hopeful that he will even be able to canter tomorrow and therefore confident he will be clear to race on Wednesday."
Article Posted on Monday 12th March 2018 @ 16.12
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