Pain medicine

Lost in Translation: Failure of Preclinical Studies to Accurately Predict the Effect of Regional Analgesia on Cancer Recurrence

AnesthesiologyPublished Narrative review

Authors' conclusion

Both basic scientists and clinical investigators underestimated the limitations of various preclinical models, leading to the apparently incorrect hypothesis that regional anesthesia reduces cancer recurrence.

Study context

Population
Patients having surgery for breast, lung and abdominal cancers
Participants
4,770 randomised trials
Comparison
Regional analgesia vs no regional analgesia for cancer recurrence
Outcome
Survival outcomes after breast, lung and abdominal cancers

Main finding

As reported in the abstract

  • Regional analgesia does not improve survival outcomes after breast, lung and abdominal cancers in randomised trials, despite preclinical evidence suggesting benefit

Original publication

Lost in Translation: Failure of Preclinical Studies to Accurately Predict the Effect of Regional Analgesia on Cancer Recurrence. Anesthesiology. Published 3 January 2024. doi:10.1097/aln.0000000000004823

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