The Coronavirus disease (COVID-19) pandemic is disrupting our health environment. As expected, studies highlighted the great susceptibility of cancer patients to COVID-19 and more severe complications, leading oncologists to deeply rethink patient cancer care.This review is dedicated to the optimization of care pathways and therapeutics in cancer patients during the pandemic and aims to discuss successive issues.First we focused on the international guidelines proposing adjustments and alternative options to cancer care in order to limit hospital admission and cytopenic treatment in cancer patients, most of whom are immunocompromised.In addition cancer patients are prone to polypharmacy, enhancing the risk of drug-related problems as adverse events and drug-drug interactions. Due to increased risk in case of COVID-19, we reported a comprehensive review of all the drug-related problems between COVID-19 and antineoplastics.Moreover, in the absence of approved drug against COVID-19, infected patients may be included in clinical trials evaluating new drugs with a lack of knowledge, particularly in cancer patients. Focusing on the several

Purpose: Patient nonadherence to oral antineoplastic therapy is a well-recognized barrier to effective treatment. In order to identify patients who may need additional support to become adherent, it is important to have a useful tool that takes into account all the parameters of adherence to prescription. The aim of this prospective study was to evaluate adherence of oral antineoplastic agents and to investigate two calculation methods of adherence score. Patients and Methods: Twenty-nine cancer patients were enrolled in this study. Fourteen were treated by capecitabine and 15 patients by aromatase inhibitors. Adherence was measured using a medication event monitoring system and adherence score was calculated by a usual method and a composite adherence score that takes into account missed doses and also intake interval errors (between 2 doses and between meals). Results: Across the 6-month evaluation period, average adherence was 95% with the standard calculation (capecitabine group: 89%; aromatase inhibitor group: 99%) versus 83% with the composite index (capecitabine group: 62%; aromatase inhibitor group: 99%) (p = 0.030). The composite calculation permits to highlight more nonadherent patients (29.6 vs. 7.4%), particularly in the capecitabine group (73 vs. 18%, p = 0.001). We report 2 cases identified as nonadherent with composite adherence rate. Conclusion: The composite adherence score permits to better evaluate adherence to prescription and to identify barriers to adherence and persistence.

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PURPOSE: Patients with cancer are at higher risk for contracting the COVID-19 infection and are more likely to have higher morbidity and mortality. This is a big challenge for oncology teams that have to treat patients to avoid contamination by SARS-CoV-2. The aim of the current work is to present oncology pharmacy practice guidelines during the COVID-19 pandemic to secure the pharmaceutical care of patients with cancer. METHODS: The bureau of the French Society for Oncology Pharmacy proposed these recommendations according to the French High Authority of Health following the Guidelines of Good Practice, slightly modified according to the pandemic crisis situation. These guidelines were developed by a working group of 7 experts in oncology pharmacy practice. Furthermore, the guidelines were assessed by 31 independent reviewers. RESULTS: One hundred percent of reviewers approved the guidelines and 90% of them suggested some improvements. The final version incorporates the best comments and consists of 26 recommendations organized in 8 different sections. CONCLUSION: These guidelines allow secure pharmaceutical management of patients with cancer during the COVID-19 pandemic.