[Vaccination of children and adolescents treated for acute leukemia, excluding HSCT recipients: Recommendations of the French Society for Childhood and Adolescent Cancer and Leukemia (SFCE)].

Children and adolescents who are being treated or have been treated for acute leukemia have a secondary immunodeficiency linked to chemotherapy, resulting in an increased risk of infections. Some of which can be prevented by vaccination but its effectiveness is not optimal during chemotherapy. Upon cessation of chemotherapy, the time required for immune reconstitution varies from three months to more than a year, depending on lymphocyte subpopulations, the patient's age, and the intensity of the treatment received.

Li-Fraumeni-associated osteosarcomas: The French experience.

Purpose: Describe clinical characteristics and outcome of Li-Fraumeni syndrome (LFS)-associated osteosarcomas.

Methods: TP53 germline pathogenic/likely pathogenic variant carriers diagnosed with osteosarcoma in France between 1980 and 2019 were identified via the French Li-Fraumeni database at Rouen University Hospital. Sixty-five osteosarcomas in 52 patients with available clinical and histological data were included.

A Review of GO-AJA's Impact on Adolescents and Young Adults with Cancer in France: A Decade of Progress and Challenges.

The "Groupe Onco-hématologie Adolescents Jeunes Adultes" (GO-AJA) born in 2012 is a French collaborative group. It focuses on heterogeneity and unmet needs for AYA with cancer. This article highlights GO-AJA's achievements and future prospects, emphasizing its role in structuring a professional national network, improving AYAs' comprehensive care and strengthening the roles of coordinating nurses.

A Qualitative Study on the Transition from Pediatric to Adult Care in Oncology: How Health Care Professionals Can Adapt Their Practice?

The main objective of this study was to identify the facilitators of and barriers to the transition from pediatric to adult care for adolescents and young adults (AYAs) with cancer according to physicians and nurses working in oncology. The secondary objectives were (1) to explore the viewpoints of health care professionals (HCPs) on this transition and (2) to discover HCP's needs and the needs they perceive among AYAs and their parents. Semistructured interviews were conducted with 19 HCPs to discover their experiences with pediatric to adult care transitions.