Exploratory outcome
The number of medication administrations will be collected on a daily basis. For oxycodone, in week 1, a maximum number of tablets consumed per day is 2, and for weeks 2–6, 4 tablets may be consumed per day. This makes a total of 154 tablets for the 6-week treatment period. For Bediol®, the maximum number of inhalations is 3 per day in week 1, and 5 in weeks 2–6. In total, 196 inhalation episodes are possible. These data will be collected daily through the web-based data entry system, or on paper forms.