PMID- 37108974 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20230501 IS - 2075-4426 (Print) IS - 2075-4426 (Electronic) IS - 2075-4426 (Linking) VI - 13 IP - 4 DP - 2023 Mar 28 TI - Pharmacogenetics and Adverse Events in the Use of Fluoropyrimidine in a Cohort of Cancer Patients on Standard of Care Treatment in Zimbabwe. LID - 10.3390/jpm13040588 [doi] LID - 588 AB - Fluoropyrimidines are commonly used in the treatment of colorectal cancer. They are, however, associated with adverse events (AEs), of which gastrointestinal, myelosuppression and palmar-plantar erythrodysesthesia are the most common. Clinical guidelines are used for fluoropyrimidine dosing based on dihydropyrimidine dehydrogenase (DPYD) genetic polymorphism and have been shown to reduce these AEs in patients of European ancestry. This study aimed to evaluate, for the first time, the clinical applicability of these guidelines in a cohort of cancer patients on fluoropyrimidine standard of care treatment in Zimbabwe. DNA was extracted from whole blood and used for DPYD genotyping. Adverse events were monitored for six months using the Common Terminology Criteria for AEs (CTCAE) v.5.0. None of the 150 genotyped patients was a carrier of any of the pathogenic variants (DPYD*2A, DPYD*13, rs67376798, or rs75017182). However, severe AEs were high (36%) compared to those reported in the literature from other populations. There was a statistically significant association between BSA (p = 0.0074) and BMI (p = 0.0001) with severe global AEs. This study has shown the absence of the currently known actionable DPYD variants in the Zimbabwean cancer patient cohort. Therefore, the current pathogenic variants in the guidelines might not be feasible for all populations hence the call for modification of the current DPYD guidelines to include minority populations for the benefit of all diverse patients. FAU - Afolabi, Boluwatife Lawrence AU - Afolabi BL AUID- ORCID: 0000-0002-4211-0254 AD - African Institute of Biomedical Science and Technology, Harare P.O. Box 2294, Zimbabwe. AD - Department of Biotechnology, School of Health Sciences, Chinhoyi University of Technology, Chinhoyi Private Bag 7724, Zimbabwe. FAU - Mazhindu, Tinashe AU - Mazhindu T AUID- ORCID: 0000-0003-3446-3049 AD - African Institute of Biomedical Science and Technology, Harare P.O. Box 2294, Zimbabwe. AD - Department of Oncology, Faculty of Medicine and Health Sciences, University of Zimbabwe, Harare P.O. Box 2294, Zimbabwe. FAU - Zedias, Chikwambi AU - Zedias C AUID- ORCID: 0000-0002-8638-6236 AD - African Institute of Biomedical Science and Technology, Harare P.O. Box 2294, Zimbabwe. AD - Department of Biotechnology, School of Health Sciences, Chinhoyi University of Technology, Chinhoyi Private Bag 7724, Zimbabwe. FAU - Borok, Margaret AU - Borok M AD - Department of Oncology, Faculty of Medicine and Health Sciences, University of Zimbabwe, Harare P.O. Box 2294, Zimbabwe. FAU - Ndlovu, Ntokozo AU - Ndlovu N AD - Department of Oncology, Faculty of Medicine and Health Sciences, University of Zimbabwe, Harare P.O. Box 2294, Zimbabwe. FAU - Masimirembwa, Collen AU - Masimirembwa C AD - African Institute of Biomedical Science and Technology, Harare P.O. Box 2294, Zimbabwe. FAU - On Behalf Of Consortium For Genomics And Therapeutics In Africa Cgta AU - On Behalf Of Consortium For Genomics And Therapeutics In Africa Cgta LA - eng GR - INV-036801/GATES/Bill & Melinda Gates Foundation/United States GR - 5P20CA210677/NH/NIH HHS/United States PT - Journal Article DEP - 20230328 PL - Switzerland TA - J Pers Med JT - Journal of personalized medicine JID - 101602269 PMC - PMC10141018 OTO - NOTNLM OT - adverse drug reactions OT - cancer OT - capecitabine OT - fluorouracil OT - genetic polymorphism OT - precision medicine COIS- The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results. EDAT- 2023/04/28 06:42 MHDA- 2023/04/28 06:43 PMCR- 2023/03/28 CRDT- 2023/04/28 01:31 PHST- 2023/02/10 00:00 [received] PHST- 2023/03/20 00:00 [revised] PHST- 2023/03/21 00:00 [accepted] PHST- 2023/04/28 06:43 [medline] PHST- 2023/04/28 06:42 [pubmed] PHST- 2023/04/28 01:31 [entrez] PHST- 2023/03/28 00:00 [pmc-release] AID - jpm13040588 [pii] AID - jpm-13-00588 [pii] AID - 10.3390/jpm13040588 [doi] PST - epublish SO - J Pers Med. 2023 Mar 28;13(4):588. doi: 10.3390/jpm13040588.