33
Participants
Start Date
November 22, 2011
Primary Completion Date
September 6, 2016
Study Completion Date
February 6, 2017
placebo
during 56 days
doxycycline 100 mg
during 56 days
University Hospital Ghent, Ghent
Univ.-HNO-Klinik, St. Elisabeth Hospital, Bochum
University Hospital, Ghent
OTHER