Purpose There are health risks to workers occupationally exposed to antineoplastic drugs. We hypothesized that implementing a biological monitoring program would be feasible. The goal was to present the results of our pilot cross-sectional study of biological monitoring of four antineoplastic drugs. Methods We recruited workers from the hematology-oncology department and control workers in a mother-child university health center. This study was preceded by an information period during which we aimed at enhancing the workers' awareness and knowledge of the risks of occupational exposure. Participants filled out a journal containing activities performed and personal protective equipment worn. One urine sample was collected at the end of their shift. Samples were analyzed by UPLC/MS-MS for the presence of cyclophosphamide, ifosfamide, methotrexate, and alpha-fluoro-beta-alanine (5-fluorouracile's main urinary metabolite). Results The participation rate was 85.7% (102/119). No urine sample had detectable concentrations of any of the four drugs evaluated (0/101; 0/74 nurses, 0/11 pharmacists, 0/9 pharmacy technicians, and 0/7 doctors). In the 5 days before sampling, 67/92 (72.8%) hematology-oncology participants performed at least one activity with antineoplastic drugs. Nurses wore all of the recommended protection for technical activities (86.2%), but rarely for non-technical activities (14.9%). Pharmacists and pharmacy technicians wore all of the recommended protection for all activities (100.0%). Conclusions This pilot study had a good participation rate. The absence of positive samples was a good indication that the measures in place ensured workers' safety, even though we found areas where the worker protection can be enhanced.
Context Oncology workers are occupationally exposed to antineoplastic drugs. This exposure can induce adverse health effects. In order to reduce their exposure, contamination on surfaces should be kept as low as possible. Objectives To monitor environmental contamination with cyclophosphamide, ifosfamide, and methotrexate in oncology pharmacy and patient care areas in Canadian hospitals. To describe the impact of some factors that may limit contamination. Methods This is a descriptive study. Twelve standardized sites were sampled in each participating center (six in the pharmacy and six in patient care areas). Samples were analyzed for the presence of cyclophosphamide, ifosfamide, and methotrexate by ultra-performance liquid chromatography tandem mass spectrometry technology. Descriptive statistical analyses were done and results were compared with a Kolmogorov-Smirnov test for independent samples. Results In 2015, 48 hospitals participated in this study (48/202, 24%). Overall, 34% (181/525) of the samples were positive for cyclophosphamide, 8% (41/525) for ifosfamide, and 6% (31/525) for methotrexate. The 75th percentile value of cyclophosphamide surface concentration was 6.9 pg/cm. For ifosfamide and methotrexate, they were lower than the limit of detection. Centers who prepared more antineoplastic drugs per year and centers who used more cyclophosphamide per year showed significantly higher surface contamination ( p < 0.0001). Over the years, we observed a reduction in surface contamination. Conclusion In comparison with other multicenter studies that were conducted in Canada, the concentration of antineoplastic drugs measured on surfaces is decreasing. Regular environmental monitoring is a good practice in order to maintain contamination as low as reasonably achievable.
<p><strong>RÉSUMÉ</strong></p><p><strong>Contexte : </strong>Il existe de plus en plus de données sur la présence de traces de médicaments dangereux dans l’urine des professionnels de la santé exposés à ces médicaments.</p><p><strong>Objectif : </strong>Présenter une revue de la littérature scientifique concernant la surveillance urinaire de professionnels de la santé exposés aux anti - néoplasiques dans le cadre de leur travail.</p><p><strong>Sources de données : </strong>Recherche sur PubMed avec les <em>Medical Subject Headings </em>(MeSH) « <em>occupational exposure </em>» et « <em>antineoplastic agents </em>» ainsi que sur Google Scholar avec les termes « <em>antineoplastic </em>», « <em>urine </em>» et « <em>occupational exposure </em>».</p><p><strong>Sélection des études et extraction des données : </strong>L’examen a porté sur tous les articles en anglais et en français ayant trait aux professionnels de la santé exposés à des médicaments dangereux dans le cadre de leur travail, publiés entre le 1er janvier 2010 et le 31 décembre 2015. Les articles ne comportant pas de résultats urinaires et ceux concernant les vétérinaires ainsi que les revues de littérature, les éditoriaux, les lettres à la redaction et les résumés de congrès ont été exclus.</p><p><strong>Synthèse des données : </strong>Vingt-quatre articles ont été retenus. Les études ont été menées dans 52 établissements de santé provenant de sept pays. Elles regroupaient 826 travailleurs exposés à des médicaments dangereux et 175 témoins, notamment des infirmiers (<em>n </em>= 16 études), des pharmaciens (<em>n </em>= 10), des assistants techniques en pharmacie (<em>n </em>= 8), des médecins (<em>n </em>= 7), des aides-soignants (<em>n </em>= 2) et autres (<em>n </em>= 8). Différentes méthodes analytiques ont été utilisées pour quantifier la présence de 13 médicaments dangereux, principalement le cyclophosphamide (<em>n </em>= 16 études), les platines (<em>n </em>= 7) et l’alpha-fluoro-béta-alanine, un métabolite urinaire du 5-fluorouracile (<em>n </em>= 3). La proportion de travailleurs qui ont étés déclarés positifs s’étendait de 0 % (<em>n </em>= 10 études) à 100 % (<em>n </em>= 4). Si l’on ne retient que les études permettant de calculer le taux de travailleurs comportant au moins un prélèvement urinaire positif (<em>n </em>= 23), la proportion totale était de 21 % (173/809 travailleurs, toutes méthodes et tous médicaments confondus).</p><p><strong>Conclusion : </strong>Vingt-quatre études de surveillance urinaire ont été réalisées au sein de sept pays entre 2010 et 2015. Dans plusieurs études, aucune trace de médicaments n’a été mesurée dans l’urine.</p><p><strong>ABSTRACT</strong></p><p><strong>Background: </strong>There is increasing evidence that traces of hazardous drugs occur in the urine of health care professionals who are exposed to these drugs.</p><p><strong>Objective: </strong>To review the scientific literature regarding urinary monitoring of health care professionals exposed to antineoplastic drugs through their work.</p><p><strong>Data Sources: </strong>A search of PubMed using the Medical Subject Headings “occupational exposure” and “antineoplastic agents” and of Google Scholar using the terms “antineoplastic”, “urine”, and “occupational exposure”.</p><p><strong>Study Selection and Data Extraction: </strong>The analysis covered all articles in English or French pertaining to health care professionals exposed to hazardous drugs in the workplace, published from January 1, 2010, to December 31, 2015. Articles that did not discuss the results of urine tests and those concerning veterinarians, as well as literature reviews, editorials, letters to the editor, and conference abstracts, were excluded.</p><p><strong>Data Synthesis: </strong>Twenty-four articles were retained. The studies were conducted in 52 health care institutions in 7 countries. They included 826 workers exposed to hazardous drugs and 175 controls, specifically nurses (<em>n </em>= 16 studies), pharmacists (<em>n </em>= 10), pharmacy technicians (<em>n </em>= 8), physicians (<em>n </em>= 7), health care aides (<em>n </em>= 2), and others (<em>n </em>= 8). Various analytical methods were used to quantify the presence of 13 hazardous drugs, primarily yclophosphamide (<em>n </em>= 16 studies), platinum based drugs (<em>n </em>= 7), and alpha-fluoro-beta-alanine, a urine metabolite derived from 5-fluorouracil (<em>n </em>= 3). The proportion of workers with positive results ranged from 0% (<em>n </em>= 10 studies) to 100% (<em>n </em>= 4). Considering only those studies that allowed calculation of the rate of workers with at least one positive urine sample (<em>n </em>= 23), the total proportion was 21% (173/809 workers, for all methods and drugs combined).</p><p><strong>Conclusion: </strong>Twenty-four studies on urine monitoring were conducted in 7 countries between 2010 and 2015. In several studies, no traces of drugs were detected in urine.</p>
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