Despite several improvements in outcomes, metastatic prostate cancer remains deadly. Alterations in the homologous recombination repair (HRR) pathway are associated with more aggressive disease. Olaparib and rucaparib, two poly-ADP-ribose polymerase (PARP) inhibitors, have received approval from the authorities of several countries for their anti-tumoral effects in patients with metastatic castration-resistant prostate cancers harboring HRR gene alterations, in particular . More recently, it has been hypothesized that new hormonal therapies (NHTs) and PARP inhibitors (PARPi) could have synergistic actions and act independently of HRR deficiency. This review proposes to discuss the advantages and disadvantages of PARPi used as monotherapy or in combination with NHTs and whether there is a need for molecular selection.
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http://dx.doi.org/10.1177/17588359241242959 | DOI Listing |
Cancer Res Treat
January 2025
Cancer Research Institute, Seoul National University, Seoul, Korea.
Purpose: This study focused on combining irinotecan with Poly (ADP-ribose) polymerase (PARP) inhibitors to explore the potential for novel combination therapeutics in small cell lung cancer (SCLC).
Materials And Methods: We selected 10 different SCLC cell lines with diverse mutational backgrounds in DNA damage response (DDR) pathway genes to evaluate the efficacy of the combination of three PARP inhibitors and irinotecan. After the cells were exposed to the drugs for seven days, cell viability was measured, and a combination index was calculated.
Eur J Med Chem
January 2025
School of Medical and Information Engineering, School of Pharmacy, Gannan Medical University, Ganzhou, 341000, PR China; Jiangxi Provincial Key Laboratory of Tissue Engineering, Gannan Medical University, Ganzhou, 341000, PR China. Electronic address:
Epigenetic dysregulation plays a pivotal role in the initiation and progression of various cancers, influencing critical processes such as tumor growth, invasion, migration, survival, apoptosis, and angiogenesis. Consequently, targeting epigenetic pathways has emerged as a promising strategy for anticancer drug discovery in recent years. However, the clinical efficacy of epigenetic inhibitors, such as HDAC inhibitors, has been limited, often accompanied by resistance.
View Article and Find Full Text PDFJ Immunother
October 2024
Department of Radiation Oncology, Huai'an Hospital Affiliated to Xuzhou Medical University, Huai'an, China.
Colorectal cancer (CRC) ranks third globally in cancer incidence and mortality, posing a significant human concern. Recent advancements in immunotherapy are noteworthy. This study explores immune modulation for CRC treatment.
View Article and Find Full Text PDFJ Clin Oncol
January 2025
Jefferson Einstein Medical Center, Sidney Kimmel Cancer Center of Thomas Jefferson University, Philadelphia, PA.
Purpose: To evaluate evidence on germline and somatic genomic testing for patients with metastatic prostate cancer and provide recommendations.
Methods: A systematic review by a multidisciplinary panel with patient representation was conducted. The PubMed database was searched from January 2018 to May 2024.
Mol Cancer Ther
December 2024
OBI Pharma, Inc., Taipei, Taiwan.
Trophoblast cell surface antigen 2 (TROP2) is highly expressed in multiple cancers relative to normal tissues, supporting its role as a target for cancer therapy. OBI-992 is an antibody-drug conjugate (ADC) derived from a novel TROP2-targeted antibody linked to the topoisomerase 1 (TOP1) inhibitor exatecan via an enzyme-cleavable hydrophilic linker, with a drug-antibody ratio of 4. This study evaluated and compared the antitumor activity of OBI-992 with that of benchmark TROP2-targeted ADCs datopotamab deruxtecan (Dato-DXd) and sacituzumab govitecan (SG) in cell line-derived xenograft (CDX) and patient-derived xenograft (PDX) models.
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