hurdle

Monahan added that while his organisation has "removed some hurdles, others remain".

If future trials go well - now it has passed the first, Phase I, testing hurdle - it could become the longest-acting form of HIV prevention available.

Last year's winner State Man looked set to claim victory before a dramatic fall at the last hurdle.

Experts said that the registration system will face hurdles, as it is difficult to enforce and fraught with logistical challenges.

Operators are cutting costs and staff to survive, she said, but are now facing a future hurdle in the Welsh tourism tax.