%0 Journal Article %T A randomised controlled trial is not a pilot trial simply because it uses a surrogate endpoint %A G. A. Lancaster %A M. J. Campbell %A S. M. Eldridge %J Archive of "Pilot and Feasibility Studies". %D 2018 %R 10.1186/s40814-018-0324-2 %X We thank the referees for their useful and constructive comments %K Pilot trials %K Surrogate endpoints %K Randomised controlled trials %K CONSORT %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6065065/