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In our 2020 consensus paper, we devised ten recommendations for conducting Complex Innovative Design (CID) trials to evaluate cancer drugs. Within weeks of its publication, the UK was hit by the first wave of the SARS-CoV-2 pandemic. Large CID trials were prioritised to compare the efficacy of new and repurposed COVID-19 treatments and inform regulatory decisions. The unusual circumstances of the pandemic meant studies such as RECOVERY were opened almost immediately and recruited record numbers of participants. However, trial teams were required to make concessions and adaptations to these studies to ensure recruitment was rapid and broad. As these are relevant to cancer trials that enrol patients with similar risk factors, we have added three new recommendations to our original ten: employing pragmatism such as using focused information sheets and collection of only the most relevant data; minimising negative environmental impacts with paperless systems; and using direct-to-patient communication methods to improve uptake. These recommendations can be applied to all oncology CID trials to improve their inclusivity, uptake and efficiency. Above all, the success of CID studies during the COVID-19 pandemic underscores their efficacy as tools for rapid treatment evaluation., (© 2022. The Author(s).)

The COVID-19 pandemic quickly led to an abundance of publications and recommendations, despite a paucity of information on how COVID-19 affects children with cancer. This created a dire need for a trusted resource with curated information and a space for the pediatric oncology community to share experiences. The Global COVID-19 Observatory and Resource Center for Childhood Cancer was developed, launched, and maintained by the International Society of Pediatric Oncology and St. Jude Children's Research Hospital. The three components (Resource Library, Global Registry, and Collaboration Space) complement each other, establishing a mechanism to generate and transfer knowledge rapidly throughout the community., (© 2021 Wiley Periodicals LLC.)

The COVID-19 pandemic has considerably changed health services for children with cancer worldwide by creating barriers throughout the care continuum. Reports available at this time suggest that asymptomatic and mild upper and lower respiratory tract syndromes are the most common presentation of COVID-19 in children with cancer. Nonetheless, severe cases of COVID-19 and deaths secondary to the infection have been reported. In addition to the direct effects of the severe acute respiratory syndrome coronavirus 2, children with cancer have suffered from the collateral consequences of the pandemic, including decreased access to diagnosis and cancer-directed therapy. The COVID-19 pandemic has presented unprecedented challenges to safe and effective care of children with cancer, including their enrollment in therapeutic clinical trials. Data from the Children's Oncology Group and Cancer Research U.K. Clinical Trials Unit show variability in the enrollment of children with cancer in clinical trials during the COVID-19 pandemic. However, the overall effects on outcomes for children with cancer undergoing care during the pandemic remain largely unknown. In this article, we review the current knowledge about the direct and collateral effects of the COVID-19 pandemic, including on clinical trial enrollment and operations.

Background: Children with cancer are frequently immunocompromised. While children are generally thought to be at less risk of severe SARS-CoV-2 infection than adults, comprehensive population-based evidence for the risk in children with cancer is unavailable. We aimed to produce evidence of the incidence and outcomes from SARS-CoV-2 in children with cancer attending all hospitals treating this population across the UK., Methods: Retrospective and prospective observational study of all children in the UK under 16 diagnosed with cancer through data collection from all hospitals providing cancer care to this population. Eligible patients tested positive for SARS-CoV-2 on reverse transcription polymerase chain reaction (RT-PCR). The primary end-point was death, discharge or end of active care for COVID-19 for those remaining in hospital., Results: Between 12 March 2020 and 31 July 2020, 54 cases were identified: 15 (28%) were asymptomatic, 34 (63%) had mild infections and 5 (10%) moderate, severe or critical infections. No patients died and only three patients required intensive care support due to COVID-19. Estimated incidence of hospital identified SARS-CoV-2 infection in children with cancer under 16 was 3%., Conclusions: Children with cancer with SARS-CoV-2 infection do not appear at increased risk of severe infection compared to the general paediatric population. This is reassuring and supports the continued delivery of standard treatment.