Chris Froome said today that he is “confident” of progress in a probe into his adverse doping test as the British rider prepares for his first race of the season at this month’s Ruta del Sol.

Froome will be part of Team Sky’s line-up for the five-day stage race in Andalusia, southern Spain, which runs from February 14 to 18.

Froome and his Team Sky revealed in December that the 32-year-old had tested for elevated levels of the asthma medication salbutamol during the Vuelta a Espana, which he won for the first time in September.

Although salbutamol is permitted in certain doses, the four-time Tour de France winner gave a urine reading of twice the allowed limit.

However, as the medication can be taken legally, Froome was not suspended by cycling’s governing body the UCI but merely asked to explain the elevated reading.

Team Sky said in December they were providing information to the UCI over the matter and confirmed in a statement today that the process was ongoing.

“I’m confident that we will be able to get to the bottom of what has happened and I’m working hard with the team to do that,” Froome said in the statement on the team’s website.

“Obviously I understand that this situation has created a lot of uncertainty. I completely get why there has been so much interest and speculation.

“I hope that people will appreciate there are limits to what I can say whilst the process is still ongoing but no one is keener than me to move things forward as quickly as possible.”

Team principal Dave Brailsford said: “We all recognise that these are difficult circumstances but it’s important for all sides that this process is conducted fairly before a final conclusion is reached.

“It is a complex situation but we’re working as hard as we can with Chris to resolve things as soon as possible.”