AbediterolAbediterol is a once-daily experimental drug candidate for the treatment of asthma and chronic obstructive pulmonary disease, but it has never been marketed.HistoryAbediterol was under development by the Spanish pharmaceutical company Almirall and reached Phase II clinical trials, but was discontinued in 2021. Its coformulation with mometasone furoate also progressed to Phase II clinical trials, but was discontinued in 2019.Mechanism of actionAbediterol is an ultra-long-acting β2 agonist.