The purpose of this study is to see whether injection of hydromorphone through a subcutaneous injection device is more effective in treating breakthrough cancer pain than oral morphine.
Breakthrough pain is an exacerbation of severe pain that occurs on a background of otherwise controlled pain. Breakthrough pain is common in patients with advanced cancer. Current medications to treat breakthrough pain include oral immediate release opioid formulations and more recently oral transmucosal fentanyl citrate. The pain pen study is a randomized controlled double blind cross-over study comparing the efficacy of oral immediate release morphine with that of subcutaneous hydromorphone, injected through a so called pain pen, on breakthrough pain in cancer patients. Preliminary experience with the pain pen suggests that it has a more rapid time of onset of pain relief than oral formulations.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
50
Subcutaneous hydromorphone delivered by pain pen during breakthrough pain episodes, at max 4 daily. Dose established by opioid conversion from baseline opioids.
Dept. Neurology, Erasmus MC
Rotterdam, Netherlands
Pain intensity difference (PID) at t=15 minutes
Time frame: t=15 minutes
PID 5'
Time frame: 5 min
PID 30'
Time frame: 30 min
PID 45'
Time frame: 45 min
PID 60'
Time frame: 60 minutes
time to onset of meaningful pain relief
Time frame: time to onset
global efficacy rating at 60'
Time frame: 60 min
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