Table 1

Showing the defined attributes and levels to be investigated in the discrete choice experiment

Technical attributeLevels
Type of medicineModulators
Mucolytics and anti-inflammatories
New antibiotics
Where you attend your trial visitsYour usual clinical centre
Any CF centre within 1.5 hours of your home
Any CF centre within 3 hours of your home
Any CF centre in the UK which is more than 3 hours away from your home
The stipend you may receiveNo additional stipend
£10 stipend per visit
£30 stipend per visit
£70 stipend per visit
What happens with your usual medicinesNo washout period
4-week washout of modulator
4-week washout of non-modulator
Trial designPlacebo controlled
Open label
Access to the medicine after the trialNo special access
Priority access to later trials
Open label extension phase
Managed access programme
  • CF, cystic fibrosis.