Review Articles

The effective management of treatment-related events remains an unmet need in oncology. The authors of this Review discuss the underlying biological mechanisms, risk factors, most commonly used pharmacological and non-pharmacological management strategies, and clinical practice guidelines for the most common long-term (continuing beyond treatment) and late or delayed (following treatment) adverse events associated with chemotherapy and other anticancer treatments.

Dysregulation of N⁶-methyladenosine (m⁶A), the most prevalent internal modification in eukaryotic mRNA, is common in various cancer types. The authors of this Review provide an overview of the mechanisms of m⁶A-dependent RNA regulation, summarize current knowledge of their pathological effects and potential utility as biomarkers in cancer, and describe ongoing efforts to develop small-molecule inhibitors of oncogenic m⁶A modifiers.

Cholangiocarcinoma is a malignancy that continues to be associated with a dismal prognosis, and a better understanding of the disease biology is required to improve early detection and treatment strategies. In this Review, the authors describe key scientific and clinical advances made in this area over the past 5 years, encompassing novel insights into the tumour stroma and immune microenvironment, promising progress in developing liquid biopsy approaches for diagnosis and monitoring, clinical translation of molecularly targeted therapies, emerging immunotherapies and reassessment of the potential role of liver transplantation.

Emerging data indicate a central role for the microbiota in all aspects of colorectal cancer (CRC). Despite this general consensus, understanding the role of specific components of the microbiota in such a way that enables the development of clinical interventions or tools to inform clinical decision-making has thus far proved challenging. In this Review, the authors summarize the role of the microbiota in CRC, including in prevention, in interactions with treatment and as a source of novel biomarkers.

Neoadjuvant immune-checkpoint inhibition is a promising emerging treatment strategy that potentially enables patients with a good response to initial therapy to avoid further treatment and the associated toxicity risks, while also identifying those who might require treatment escalation. In this Review, the authors describe treatment personalization strategies based on the initial response to one or more neoadjuvant immune-checkpoint inhibitors and consider the potential to expand this approach beyond patients with melanoma.

Antibody–drug conjugates (ADCs) have demonstrated efficacy in patients with various cancers, although their antitumour activity in the central nervous system (CNS) might be limited by the blood–brain barrier. In this Review, the authors describe the available clinical data emphasizing the heterogeneous activity of ADCs against primary or secondary brain tumours and ongoing clinical trials in this area. In addition, they discuss physical, biological and molecular determinants of the CNS activity of ADCs, as well as potential strategies to improve delivery of these agents to brain tumours.

Oesophageal cancer is one of the most common malignancies worldwide and is associated with considerable morbidity and mortality. In this Review, the authors highlight advances made across the disease continuum that have improved the management and outcomes of patients with oesophageal cancer. These advances include an increased understanding of the disease biology, improvements in screening, the development of minimally invasive endoscopic monitoring and management technologies, refinement of surgical techniques and perioperative management, and novel radiotherapy and systemic therapy approaches. Continual multidisciplinary efforts across all these aspects of care will further improve patient outcomes.

Chimeric antigen receptor (CAR) T cells have dramatically improved the outcomes of patients with certain relapsed and/or refractory haematological malignancies. Owing to the promising short-term survival outcomes achieved, long-term data on both safety and survival are becoming increasingly relevant. In this Review, the authors describe the available long-term follow-up data from early studies testing the safety and efficacy of receiving CAR T cells targeting CD19 as well as more recent data on BCMA-targeted CAR T cells in patients with relapsed and/or refractory multiple myeloma.

Globally, gastric cancer is a common and highly fatal cancer with two anatomical subtypes, non-cardia and cardia gastric cancer. Helicobacter pylori causes almost 90% of distal gastric cancers worldwide. The authors of this Review summarize the current epidemiology of gastric cancer and the evidence and implications of primary and secondary prevention efforts.

Advances in surgical technique and chemotherapy regimens have improved the survival outcomes of patients with pancreatic cancer, although these remain dismal relative to most other solid tumours. Attempts to further improve outcomes have led to increasing research interest in neoadjuvant therapy, which is beginning to improve the outcomes of certain subgroups of patients. In this Review, the authors provide an overview of the various neoadjuvant therapy approaches for patients with pancreatic cancer, including discussions of several promising future research directions

Bladder cancer is among the ten most common cancers worldwide and therefore constitutes a substantial health-care burden. This Review summarizes the global trends in bladder cancer incidence and mortality, and describes the main risk factors associated with bladder cancer occurrence and outcomes. The implications, challenges and opportunities of these epidemiological trends for public health and clinical practice are also discussed.

Genomics-based precision medicine has improved the outcomes of patients with certain types of cancers, although most do not derive benefit. Here, the authors describe the development of functional patient-specific assays, including those based on organoids, spheroids and explants, and how clinical implementation of these models might extend the benefits of precision medicine to a much broader range of patients.

Cachexia is a multi-organ syndrome characterized by substantial weight loss that affects a majority of patients with cancer and contributes to cancer-related mortality. The authors of this Review discuss the contribution of both the tumour macroenvironment and microenvironment to the inflammatory and metabolic processes involved in cancer-associated cachexia and provide an overview of the therapeutic strategies developed to manage this syndrome.

Lung cancers harbouring ‘rare’ alterations (defined as those with a prevalence of <5% of oncogene-driven lung cancers) can be detected in around a third of all oncogene-driven lung cancers and are diagnosed in thousands of patients each year. Advances in our understanding of tumour biology, diagnosis and the development of novel therapies are enabling increasing use of specific therapies targeting these alterations. In this Review, the authors provide an overview of the epidemiology, diagnosis, prognosis and treatment of patients with lung cancers harbouring these rare alterations. The importance of expedited drug approval pathways and cooperation between multiple stakeholders is also emphasized.

Protein degraders constitute a new class of agents that eliminate, rather than just inhibit, their target proteins. These novel agents have recently entered testing in oncology trials, with initial data providing clinical proof of concept for the mechanism of action as well as the antitumour activity of heterobifunctional protein degraders. In this Review, the authors outline the progress in the development of such protein degraders for the treatment of cancer and consider prospects and potential challenges for these agents.

Data obtained using omics technologies can offer important insights into various aspects of chimeric antigen receptor (CAR) T cell therapy. In this Review, the authors provide an overview of the multidimensional profiling technologies that have been applied in investigations of CAR T cell therapy. They then discuss the ways in which multi-omics data obtained through such analyses can be used to elucidate CAR targets, factors associated with response or resistance to therapy, and mechanisms underlying the associated toxicities, which could potentially be exploited to improve the efficacy and safety of CAR T cell therapies.

Immune-checkpoint inhibitors (ICI) constitute a paradigm shift in the treatment of non-small-cell lung cancer (NSCLC); however, identifying the minority of patients who derive long-term benefit remains problematic, particularly among those with targetable oncogenic drivers who have typically been under-represented in or excluded from clinical trials of ICIs. This Review summarizes the associations of common oncogenic drivers of NSCLC with sensitivity or resistance to ICIs as well as the underlying effects on the immune tumour microenvironment. Potential vulnerabilities that could potentially be exploited to overcome primary resistance to ICIs conferred by certain oncogenic drivers are also highlighted.

Preclinical models that faithfully recapitulate interactions between the human immune system and tumours are necessary to evaluate human-specific immunotherapies in vivo; however, their number is currently limited. The authors of this Review discuss the currently available humanized mouse models, which are immunodeficient mice co-engrafted with human tumours and immune components, with a focus on their applicability in translational research.

Oncolytic viruses (OVs) provide a novel cancer treatment strategy, with a mechanism of action and toxicity profiles that are distinctly different to those of more traditional therapies. Thus far, four OVs have entered clinical use globally, yet only talimogene laherparepvec (T-VEC) has entered widespread clinical use. In this Review, the authors describe the clinical and regulatory experience with T-VEC thus far, and how this can guide the development of novel OVs. Discussions of a range of novel OVs with the potential for clinical implementation in the near future are also provided.

γδ T cells are lymphocytes with properties of both typical αβ T cell and natural killer cells, notable tissue tropisms, and MHC-independent antitumour functions that make them attractive agents for cancer immunotherapy. In this Review, the authors provide an overview of human γδ T cell subsets, discuss the antitumour and pro-tumour activities of these cells and their prognostic value in patients with cancer, and describe the current landscape of γδ T cell-based immunotherapies.