The world’s largest review on opioid medicines for cancer pain has found it is unclear whether some commonly used opioid medicines are better than a placebo and suggests that non-opioid medicines, including aspirin, may be as effective as opioids.
The world’s largest review on opioid medicines for cancer pain has found it is unclear whether some commonly used opioid medicines are better than a placebo and suggests that non-opioid medicines, including aspirin, may be as effective as opioids.