Pharmacogenomics

Register now: Aug. 13, 2025 - PACE/State of FL - The critical role of pharmacogenomics and therapeutic drug monitoring (TDM) in managing immunosuppressive therapy for solid organ transplant recipients.

By MCL Education • August 13, 2025

Jessica Wright, Pharm.D., BCACP, explains how Mayo Clinic Laboratories' 3A5Q test helps determine initial tacrolimus doses for individuals after non-liver organ transplants. Optimal tacrolimus levels are one of the important factors in survival of the transplanted organ.

By Barbara J. Toman • April 8, 2025

John Logan Black, M.D., explains how Mayo Clinic Laboratories' UGT1A1 tests (Mayo IDs: U1A1Q and UGTFZ) identify genetic variants that increase the risk of potentially life-threatening reactions to irinotecan, a chemotherapy agent.

By Barbara J. Toman • November 12, 2024

Ann Moyer, M.D., Ph.D., explains how Mayo Clinic Laboratories' unique genetic tests identify patients at high risk of severe reactions to fluoropyrimidines — a type of chemotherapy drug. Test results can guide clinical decision-making for safer cancer treatment.

By Barbara J. Toman • September 10, 2024

Recognizing the powerful role genes can play in diagnosing illness and guiding treatment, the Division of Laboratory Genetics and Genomics at Mayo Clinic spearheaded a testing expansion, implementing and upgrading more than 60 advanced sequencing and biochemical assays in 2023 and planning for even more this year.

By Robin Huiras-Carlson • February 21, 2024

Pharmacogenomic testing is still limited, despite ample research, the existence of guidelines, and the emerging evidence it can help patients. Ann Moyer, M.D., Ph.D., Co-Director of the Personalized Genomics Laboratory at Mayo Clinic in Rochester, Minnesota, makes a case for pharmacogenomics.

By Kelley Luedke • July 2, 2018

Ann Moyer, M.D., Ph.D., discusses an additional gene, NUDT15, which is important in the prediction of thiopurine-related toxicity This gene has been added to our TPMT genotyping assay available through Mayo Medical Laboratories.

By Mayo Clinic Laboratories • October 25, 2017

Detection of individuals with low thiopurine methyltransferase (TPMT) activity who are at risk for excessive myelosuppression or severe hematopoietic toxicity when taking thiopurine drugs.

By Mayo Clinic Laboratories • March 29, 2017