Antibody-drug conjugates (ADCs) have high specificity with lesser off-target effects, thus providing improved efficacy over traditional chemotherapies. A total of 14 ADCs have been approved for use against cancer by the US Food and Drug Administration (FDA), with more than 100 ADCs currently in clinical trials. Of particular interest ADCs targeting immune antigens PD-L1, B7-H3, B7-H4 and integrins. Specifically, we describe ADCs in development along with the gene and protein expression of these immune checkpoints across a wide range of cancer types let url = window.clickTag || window.clickTag1 || window.clickTag2 || window.clickTag3 || window.clickTag4 || window.bsClickTAG || window.bsClickTAG1 || window.bsClickTAG2 || window.url || ''; if(typeof url == 'string'){ document.body.dataset['perxceptAdRedirectUrl'] = url;}.
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http://dx.doi.org/10.1016/j.critrevonc.2024.104472 | DOI Listing |
Naunyn Schmiedebergs Arch Pharmacol
January 2025
Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, 11829, Cairo, Egypt.
Antibody-drug conjugates (ADCs) have emerged as a promising strategy in targeted cancer therapy, enabling the precise delivery of cytotoxic agents to tumor sites while minimizing systemic toxicity. However, traditional ADCs face significant limitations, including restricted drug loading capacity, where an optimal drug-to-antibody ratio (DAR) is crucial; low DARs may lead to insufficient potency, while high DARs can cause rapid clearance and increased toxicity. Additionally, ADCs often suffer from instability in circulation due to the potential for premature release of cytotoxic agents, resulting in off-target effects and reduced therapeutic efficacy.
View Article and Find Full Text PDFSci Adv
January 2025
The Finsen Laboratory, Rigshospitalet, DK-2200 Copenhagen, Denmark.
Antibody-drug conjugates (ADCs) hold promise to advance targeted therapy of pancreatic ductal adenocarcinoma (PDAC), where the desmoplastic tumor stroma challenges effective treatment. Here, we explored the urokinase plasminogen activator receptor (uPAR) as a candidate ADC target in PDAC, harnessing its massive tumoral and stromal expression in this stroma-dense tumor. We generated a site-specific ADC offering high-affinity, cross-species reactivity, and efficient internalization of the anti-uPAR monoclonal antibody, FL1, carrying a potent anthracycline derivative (PNU-158692).
View Article and Find Full Text PDFGland Surg
December 2024
Medical Imaging Department, Affiliated Hospital of Jining Medical University, Jining, China.
Background: Breast cancer is the most common malignant tumor among women, with an increasing incidence each year. The subtypes of human epidermal growth factor receptor 2 (HER2)-negative breast cancer, classified as HER2-low and HER2-zero based on HER2 receptor expression, show differences in clinical characteristics, therapeutic approaches, and prognoses. Distinguishing between these subtypes is clinically valuable as it can impact treatment strategies, including the use of next-generation antibody-drug conjugates (ADCs) targeting HER2-low tumors.
View Article and Find Full Text PDFBlood Rev
January 2025
Department of Hematology, First Hospital of Jilin University, Changchun, Jilin, China. Electronic address:
Multiple myeloma (MM) remains incurable and patients eventually face the relapse/refractory dilemma. B cell maturation antigen (BCMA)-targeted immunotherapeutic approaches have shown great effectiveness in patients with relapsed/refractory MM, mainly including chimeric antigen receptor T cells (CAR-T), bispecific T cell engagers (TCEs), and antibody-drug conjugates (ADCs). However, their impact on long-term survival remains to be determined.
View Article and Find Full Text PDFACS Pharmacol Transl Sci
January 2025
Integrated Bioanalysis, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, 121 Oyster Point Blvd, South San Francisco, California 94080, United States.
Antibody-drug conjugates (ADCs) are a promising drug modality substantially expanding in both the discovery space and clinical development. Assessing the biotransformation of ADCs and is important in understanding their stability and pharmacokinetic properties. We previously reported biotransformation pathways for the anti-B7H4 topoisomerase I inhibitor ADC, AZD8205, puxitatug samrotecan, that underpin its structural stability using an intact protein liquid chromatography-high resolution mass spectrometry (LC-HRMS) approach.
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