A Comparison between Enriched and Nonenriched Enrollment Randomized Withdrawal Trials of Opioids for Chronic Noncancer Pain
An enriched enrollment randomized withdrawal (EERW) trial design has been advocated to be useful for the study of drugs that are beneficial to only a fraction of the individuals who take them. Some investigators defend the use of enrichment designs for opioids in chronic noncancer pain (CNCP), reaso...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Hindawi Limited
2011-01-01
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| Series: | Pain Research and Management |
| Online Access: | http://dx.doi.org/10.1155/2011/465281 |