Study protocol, rationale and recruitment in a European multi-centre randomized controlled trial to determine the efficacy and safety of azithromycin maintenance therapy for 6 months in primary ciliary dyskinesia

Table 1 Eligible patients and recruitment plans

Trial sites:	Estimated no. of eligible patients:	Recruitment strategies:
Copenhagen University Hospital, Rigshospitalet, Denmark	30	- Patients attending the outpatient clinic.
Copenhagen University Hospital, Rigshospitalet, Denmark	30	- Information at PCD patient event.
University Children's Hospital Muenster, Germany	30	- Patients attending the outpatient clinic.
		- Advertisement via the national PCD patient organization.
		- Information through the German Pediatric Pulmonology Society.
Inselspital Bern, Switzerland	10	- Patients attending the outpatient clinic.
Inselspital Bern, Switzerland	10	- Information to patients in the national PCD registry.
VU University Medical Center Amsterdam, Netherlands	20	- Patients attending the outpatient clinic.
		- Advertisement via the national PCD patient organization.
		- Contacting pediatric pulmonologists caring for PCD patients at other academic centers.
University Hospital Southampton, United Kingdom	10	- Patients attending the outpatient clinic.
University Hospital Southampton, United Kingdom	10	- Advertisement via the national PCD patient organization.
Royal Brompton Hospital, United Kingdom	40	- Patients attending the outpatient clinic.
Royal Brompton Hospital, United Kingdom	40	- Advertisement via the national PCD patient organization.
Total	140

ISSN: 1471-2466