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The development of covalent, allele-specific inhibitors of KRASG12C represents a major breakthrough in precision oncology. Herein we discuss recent data from the phase II KRYSTAL-1 trial of adagrasib in KRASG12C-mutated non-small-cell lung cancer (NSCLC). This trial showed responses in a subset of patients, including among those with brain metastases, and offers exploratory insights into potential biomarkers of response.
Clinical trials of neoadjuvant therapy for melanoma have expanded rapidly over the past several years. Preliminary data demonstrate the prognostic value of pathological response, which might have clinical implications for refining the roles of surgery and adjuvant therapy. These clinical questions are under active investigation across many ongoing clinical trials.
Either alone or in combination, chemotherapy remains the mainstay treatment for most human malignancies. This treatment modality is associated with a high burden of chemotherapy-associated adverse events (CAAEs) that greatly affect patients because of their considerable morbidity, mortality and costs. Kuderer et al. discuss the pathophysiology, management and risk factors of the most common acute CAAEs with a major effect on survival, quality of life, function and/or continuation of optimal therapy.
Peritoneal surface malignancies (PSMs) typically have a poor prognosis, although considerable advances in the understanding and management of these malignancies have been made over the past decade. This Review comprehensively describes the improvements in knowledge of the biology, assessment and classification, perioperative and surgical management, systemic treatment and pre-emptive management of PSMs. The authors also outline future directions for research in this field.
Clinical research needs support from preclinical models that consider the biology and genetics of human cancers during treatment, such as patient-derived xenograft (PDX) models. The authors of this Review discuss how PDX models have been used in the past decade for precision oncology and present emerging approaches that could broaden the application of these models.
Glioblastoma, the most common form of brain cancer in adults, has a dismal prognosis and has proven recalcitrant to novel targeted therapies and immunotherapies. Extrachromosomal DNAs (ecDNAs) harbouring oncogenes are increasingly recognized as important drivers of tumour development, evolution and resistance to treatment, particularly in patients with glioblastoma. In this Perspective, the authors summarize key reasons for the failed clinical translation of new therapies for glioblastoma, highlighting the important contributions of ecDNAs. They then focus on the opportunities and challenges of utilizing ecDNAs to improve the likelihood of success in the development of precision medicines for this disease.
