Elsevier Campaign Manager interview questions

I was called for an interview on a Campaign Manager role for the Amsterdam office. The phone called lasted over an hour and I was asked lots of very detailed questions, not usual on a first screening call, in my opinion. In any case, what was very disappointing is that nobody from HR came back with any feedback at all, not even to say I did not go forward. I have chased two times, was told they would certainly call but obviously never did. I have let it go then but find this unprofessional.