AUG 17, 2026 · JOURNAL ARTICLE
Impact of genetic polymorphisms on the response to transdermal fentanyl in cancer patients—a single-center, prospective, biological study
Frontiers in Pain Research
Single-center exploratory cohort with negative primary findings after multiple-testing correction; provides hypothesis-generating signals but insufficient evidence to guide clinical pharmacogenetic testing for fentanyl.
Reported
Sample size49
Responder rate77.5%
Median age65 years