Title
Paracetamol for Cancer Pain
Optimizing Medication for Cancer Pain. The Effect of Paracetamol. A Clinical and Pharmacological Trial to Research Whether Paracetamol Gives an Additional Effect on Pain Relief When the Patient is Treated With High Doses of Opioids
Phase
Phase 4Lead Sponsor
Haraldsplass Deaconess HospitalStudy Type
InterventionalStatus
Unknown statusIndication/Condition
Advanced Cancer Opioid Use, UnspecifiedIntervention/Treatment
acetaminophen ...Study Participants
50Randomised, double-blind placebo controlled cross-over trial
Main goal:
Optimize the medical pain treatment for patients with advanced cancer disease
Study goal:
Measure paracetamol's additional analgesic effect in a situation where the patient is concomitantly treated with oral opioids eqv. morphine > 100 mg/d.
National multicenter study with an intention to include 50 patients. 6 days treatment, 3d in each arm. Mean pain score last 24 h: NRS =/> 4 All drug treatment constant during the study period. The participants are allowed to take as much rescue opioids as necessary to have adequate relief.
Paracetamol/ placebo given orally 1000 mg x 4 daily, three days in each arm, direct crossover.
Daily scoring of pain relief, ESAS, overall satisfaction and rescue medication.
1000 mg 4 times daily
Placebo pills eqv paracetamol are given 2 tablets 4 times daily instead of paracetamol
Placebo tablets resembling paracetamol 500 mg are given as alternative 2 tablets 4 times daily
Patients are given 2 tablets of 500 mg paracetamol on a regular basis 4 times daily
Inclusion Criteria: Adults (> 18 years) of both sexes Diagnosed with advanced cancer disease Ongoing medicinal pain relief treatment in stable dosing with oral opiates equivalent to > 100 mg oral morphine daily NRS median pain score last 24 hrs > 4 Able to take tablets (paracetamol) orally Exclusion Criteria: Mental or physical deficiency precluding data collection. Reduced liver function judged with bilirubin, INR and transaminases Anticoagulation with warfarin Ongoing use of NSAIDs or 5-HT3 antagonists, or use of such drugs last week Ongoing palliative radiation treatment or radiation treatment during the last 4 weeks.