Communicating pharmacogenetic research results to breastfeeding mothers taking codeine: a pilot study of perceptions

P Madadi1, Y Joly, D Avard

  • 1Division of Clinical Pharmacology and Toxicology, Hospital for Sick Children, Toronto, Ontario, Canada.

Sixty-two codeine-prescribed breastfeeding mothers from a pharmacogenetic study were interviewed regarding the communication of individual CYP2D6 genotype results and overall research findings. All participants wanted to receive the results of their individual genetic tests; however, individuals placed different values on the usefulness of this information toward future medical decisions. Receiving one's pharmacogenetic test results was not associated with a negative psychosocial impact. Thirty-three percent of the participants wished to withhold these results from their physicians. Participants' expectations seem to dictate the extent of transparency of pharmacogenetic research results.

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