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Callon S, Brugel M, Botsen D, Royer B, Slimano F, Feliu C, Gozalo C, Konecki C, Devie B, Carlier C, Daire V, Laurés N, Perrier M, Djerada Z, Bouché O. Renal impairment and abnormal liver function tests in pre-therapeutic phenotype-based DPD deficiency screening using uracilemia: a comprehensive population-based study in 1138 patients. Ther Adv Med Oncol 2023; 15:17588359221148536. [PMID: 36643657 PMCID: PMC9837271 DOI: 10.1177/17588359221148536] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 12/13/2022] [Indexed: 01/13/2023] Open
Abstract
Background Dihydropyrimidine dehydrogenase (DPD) deficiency screening is a pre-therapeutic standard to prevent severe fluoropyrimidine-related toxicity. Although several screening methods exist, the accuracy of their results remains debatable. In France, the uracilemia measurement is considered the standard in DPD deficiency screening. The objective of this study was to describe the hyperuracilemia (⩾16 ng/mL) rate and investigate the influence of hepatic and renal impairment in uracilemia measurements since the guidelines were implemented. Patients and methods Using a cohort of 1138 patients screened between 18 October 2018 and 18 October 2021, basic demographic characteristics, date of blood sampling, and potential biological confounders including liver function tests [aspartate aminotransaminase (AST), alanine aminotransaminase (ALT), gamma-glutamyl transferase (γGT), alkaline phosphatase (ALP), and bilirubin] and estimated glomerular filtration rate (eGFR) were collected. The second same-patient uracilemia analysis was also performed. Temporal change was graphically represented while potential confounders were stratified to show linearity when suspected. Results Hyperuracilemia was diagnosed in 12.7% (n = 150) samples with 6.7%, 5.4%, 0.5%, and 0.08% between 16 and 20 ng/mL, 20 and 50 ng/mL, 50 and 150 ng/mL, and >150 ng/mL, respectively. The median uracilemia concentration was 9.4 ng/mL (range: 1.2 and 172.3 ng/mL) and the monthly hyperuracilemia rate decreased steadily from >30% to around 9%. Older age, normalized AST, γGT, ALP results, bilirubin levels, and decreased eGFR were linearly associated with higher plasma uracil concentrations (all p < 0.001). In the adjusted multivariate linear model, AST, eGFR, and ALP remained associated with uracilemia (p < 0.05). When measured twice in 39 patients, the median uracilemia rate of change was -2.5%, which subsequently changed the diagnosis in nine patients (23.1%). Conclusions Better respect of pre-analytical conditions may explain the steady decrease in monthly hyperuracilemia rates over the 3 years. Elevated AST, ALP levels, and reduced eGFR could induce a false increase in uracilemia and second uracilemia measurements modified the first DPD deficiency diagnosis in almost 25% of the patients.
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Affiliation(s)
| | | | - Damien Botsen
- Department of Medical Oncology, Godinot Cancer Institute, Reims, France,Department of Digestive Oncology and Gastroenterology, University of Reims Champagne-Ardenne (URCA), CHU Reims, Reims, France
| | - Bernard Royer
- Clinical Pharmacology and Toxicology Laboratory, CHU Besançon, Besançon, France
| | | | - Catherine Feliu
- Pharmacology and Toxicology Department, CHU Reims, Reims, France
| | - Claire Gozalo
- Pharmacology and Toxicology Department, CHU Reims, Reims, France
| | - Céline Konecki
- Pharmacology and Toxicology Department, CHU Reims, Reims, France
| | - Bruno Devie
- Clairmarais Bioxa Medical Biology Laboratory, Reims, France
| | - Claire Carlier
- Department of Medical Oncology, Godinot Cancer Institute, Reims, France,Department of Digestive Oncology and Gastroenterology, University of Reims Champagne-Ardenne (URCA), CHU Reims, Reims, France
| | - Viktor Daire
- Department of Digestive Oncology and Gastroenterology, University of Reims Champagne-Ardenne (URCA), CHU Reims, Reims, France
| | - Nicolas Laurés
- Department of Digestive Oncology and Gastroenterology, University of Reims Champagne-Ardenne (URCA), CHU Reims, Reims, France
| | - Marine Perrier
- Department of Digestive Oncology and Gastroenterology, University of Reims Champagne-Ardenne (URCA), CHU Reims, Reims, France
| | - Zoubir Djerada
- Pharmacology and Toxicology Department, CHU Reims, Reims, France
| | - Olivier Bouché
- Department of Digestive Oncology and Gastroenterology, University of Reims Champagne-Ardenne (URCA), CHU Reims, Reims, France
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Knikman JE, Gelderblom H, Beijnen JH, Cats A, Guchelaar H, Henricks LM. Individualized Dosing of Fluoropyrimidine-Based Chemotherapy to Prevent Severe Fluoropyrimidine-Related Toxicity: What Are the Options? Clin Pharmacol Ther 2021; 109:591-604. [PMID: 33020924 PMCID: PMC7983939 DOI: 10.1002/cpt.2069] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 09/18/2020] [Indexed: 12/19/2022]
Abstract
Fluoropyrimidines are widely used in the treatment of several types of solid tumors. Although most often well tolerated, severe toxicity is encountered in ~ 20-30% of the patients. Individualized dosing for these patients can reduce the incidence of severe fluoropyrimidine-related toxicity. However, no consensus has been achieved on which dosing strategy is preferred. The most established strategy for individualized dosing of fluoropyrimidines is upfront genotyping of the DPYD gene. Prospective research has shown that DPYD-guided dose-individualization significantly reduces the incidence of severe toxicity and can be easily applied in routine daily practice. Furthermore, the measurement of the dihydropyrimidine dehydrogenase (DPD) enzyme activity has shown to accurately detect patients with a DPD deficiency. Yet, because this assay is time-consuming and expensive, it is not widely implemented in routine clinical care. Other methods include the measurement of pretreatment endogenous serum uracil concentrations, the uracil/dihydrouracil-ratio, and the 5-fluorouracil (5-FU) degradation rate. These methods have shown mixed results. Next to these methods to detect DPD deficiency, pharmacokinetically guided follow-up of 5-FU could potentially be used as an addition to dosing strategies to further improve the safety of fluoropyrimidines. Furthermore, baseline characteristics, such as sex, age, body composition, and renal function have shown to have a relationship with the development of severe toxicity. Therefore, these baseline characteristics should be considered as a dose-individualization strategy. We present an overview of the current dose-individualization strategies and provide perspectives for a future multiparametric approach.
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Affiliation(s)
- Jonathan E. Knikman
- Division of PharmacologyThe Netherlands Cancer InstituteAmsterdamThe Netherlands
| | - Hans Gelderblom
- Department of Clinical OncologyLeiden University Medical CenterLeidenThe Netherlands
| | - Jos H. Beijnen
- Division of PharmacologyThe Netherlands Cancer InstituteAmsterdamThe Netherlands
- Department of Pharmaceutical SciencesUtrecht UniversityUtrechtThe Netherlands
| | - Annemieke Cats
- Department of Gastroenterology and HepatologyDivision of Medical OncologyThe Netherlands Cancer InstituteAmsterdamThe Netherlands
| | - Henk‐Jan Guchelaar
- Department of Clinical Pharmacy and ToxicologyLeiden University Medical CenterLeidenThe Netherlands
| | - Linda M. Henricks
- Department of Clinical Chemistry and Laboratory MedicineLeiden University Medical CenterLeidenThe Netherlands
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Vogel WH, Minhas A, Baumrucker S. Dihydropyrimidine Dehydrogenase Deficiency: To Screen or Not to Screen? J Adv Pract Oncol 2021; 11:68-73. [PMID: 33542850 PMCID: PMC7517765 DOI: 10.6004/jadpro.2020.11.1.4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
5-fluorouracil (5-FU) and its prodrug capecitabine are frequently prescribed in oncology. While usually well tolerated, toxicity can be severe, and even life-threatening. A dihydropyrimidine dehydrogenase (DPD) deficiency can cause severe toxicity. Current testing for DPD deficiency does not meet the criteria for a routine screening test prior to 5-FU therapy. A case study of a fatality secondary to capecitabine toxicity is reviewed and literature is examined regarding general screening for DPD deficiency.
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Affiliation(s)
| | - Ahmed Minhas
- East Tennessee State University, Johnson City, Tennessee
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Pallet N, Hamdane S, Garinet S, Blons H, Zaanan A, Paillaud E, Taieb J, Laprevote O, Loriot MA, Narjoz C. A comprehensive population-based study comparing the phenotype and genotype in a pretherapeutic screen of dihydropyrimidine dehydrogenase deficiency. Br J Cancer 2020; 123:811-818. [PMID: 32595208 PMCID: PMC7462856 DOI: 10.1038/s41416-020-0962-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 06/02/2020] [Accepted: 06/11/2020] [Indexed: 12/11/2022] Open
Abstract
Background Pretherapeutic screening for dihydropyrimidine dehydrogenase (DPD) deficiency is recommended or required prior to the administration of fluoropyrimidine-based chemotherapy. However, the best strategy to identify DPD-deficient patients remains elusive. Methods Among a nationwide cohort of 5886 phenotyped patients with cancer who were screened for DPD deficiency over a 3 years period, we assessed the characteristics of both DPD phenotypes and DPYD genotypes in a subgroup of 3680 patients who had completed the two tests. The extent to which defective allelic variants of DPYD predict DPD activity as estimated by the plasma concentrations of uracil [U] and its product dihydrouracil [UH2] was evaluated. Results When [U] was used to monitor DPD activity, 6.8% of the patients were classified as having DPD deficiency ([U] > 16 ng/ml), while the [UH2]:[U] ratio identified 11.5% of the patients as having DPD deficiency (UH2]:[U] < 10). [U] classified two patients (0.05%) with complete DPD deficiency (> 150 ng/ml), and [UH2]:[U] < 1 identified three patients (0.08%) with a complete DPD deficiency. A defective DPYD variant was present in 4.5% of the patients, and two patients (0.05%) carrying 2 defective variants of DPYD were predicted to have low metabolism. The mutation status of DPYD displayed a very low positive predictive value in identifying individuals with DPD deficiency, although a higher predictive value was observed when [UH2]:[U] was used to measure DPD activity. Whole exon sequencing of the DPYD gene in 111 patients with DPD deficiency and a “wild-type” genotype (based on the four most common variants) identified seven heterozygous carriers of a defective allelic variant. Conclusions Frequent genetic DPYD variants have low performances in predicting partial DPD deficiency when evaluated by [U] alone, and [UH2]:[U] might better reflect the impact of genetic variants on DPD activity. A clinical trial comparing toxicity rates after dose adjustment according to the results of genotyping or phenotyping testing to detect DPD deficiency will provide critical information on the best strategy to identify DPD deficiency.
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Affiliation(s)
- Nicolas Pallet
- Department of Clinical Chemistry, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France.
| | - Salma Hamdane
- Department of Clinical Chemistry, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France
| | - Simon Garinet
- Department of Clinical Chemistry, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France
| | - Hélène Blons
- Department of Clinical Chemistry, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France
| | - Aziz Zaanan
- Department of Gastroenterology and Gastrointestinal Oncology, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France
| | - Elena Paillaud
- Geriatric Oncology Unit, Paris Cancer Institute CARPEM, Hôpital Européen Georges Pompidou, Paris, France.,Université Paris Est Creteil, INSERM, IMRB, F-94010, Creteil, France
| | - Julien Taieb
- Department of Gastroenterology and Gastrointestinal Oncology, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France
| | - Olivier Laprevote
- Department of Clinical Chemistry, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France
| | - Marie-Anne Loriot
- Department of Clinical Chemistry, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France
| | - Céline Narjoz
- Department of Clinical Chemistry, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, University of Paris, Paris, France
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