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Advances in Ovarian Cancer Treatment Beyond PARP Inhibitors
Fine Aliyuda1, Michele Moschetta2, Aruni Ghose1,3,4
1Department of Medical Oncology, Medway NHS Foundation Trust, Gillingham, Kent, UK.
Abstract:
Ovarian cancer has become the largest cause of gynaecological cancer-related mortality. It is typically diagnosed at a late stage and has no effective screening strategy. Ovarian cancer is a highly heterogeneous disease that can be subdivided into several molecular subsets. As a result of a greater understanding of molecular pathways involved in carcinogenesis and tumor growth, targeted agents have been approved or are in several stages of development. Poly(ADP-ribose) polymerase (PARP) inhibitors and the anti-vascular endothelial growth factor (VEGF)-A antibodies are two types of approved and most effective targeted drugs for ovarian cancer at present. With the success of bevacizumab, tyrosine kinase inhibitors which could target alternate angiogenic pathways are being studied. Furthermore, many treatments targeting the PI3-kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) pathways, are being developed or are already in clinical studies. MicroRNAs have also become novel biomarkers for the therapy and clinical diagnosis of ovarian cancer. This manuscript reviews the molecular, preclinical and clinical evidence supporting the targeting of growth-dependent pathways in ovarian cancer and assesses current data related to targeted treatments beyond PARP inhibitors.
Insights
Ovarian cancer, a leading cause of gynecological mortality, is being targeted by new therapies. Research explores molecular pathways and treatments beyond PARP inhibitors for improved patient outcomes.
Area of Science:
- Gynecologic Oncology
- Molecular Biology
- Translational Medicine
Background:
- Ovarian cancer is the leading cause of gynecological cancer mortality, often diagnosed late with no effective screening.
- The disease's heterogeneity necessitates diverse therapeutic strategies.
- Advances in understanding molecular pathways have led to targeted therapies.
Purpose of the Study:
- To review molecular, preclinical, and clinical evidence for targeting growth-dependent pathways in ovarian cancer.
- To assess current targeted treatments, focusing on agents beyond Poly(ADP-ribose) polymerase (PARP) inhibitors.
- To highlight novel biomarkers like microRNAs for diagnosis and therapy.
Main Methods:
- Literature review of molecular, preclinical, and clinical studies.
- Analysis of targeted agents including PARP inhibitors, anti-VEGF-A antibodies, and PI3K/AKT/mTOR pathway inhibitors.
- Evaluation of emerging biomarkers such as microRNAs.
Main Results:
- Poly(ADP-ribose) polymerase (PARP) inhibitors and anti-VEGF-A antibodies are established targeted therapies.
- Tyrosine kinase inhibitors targeting angiogenic pathways and treatments for the PI3K/AKT/mTOR pathway are under investigation.
- MicroRNAs show promise as diagnostic and therapeutic biomarkers.
Conclusions:
- Targeted therapies, particularly those beyond PARP inhibitors, offer significant potential for improving ovarian cancer treatment.
- Further research into molecular pathways and novel biomarkers is crucial for advancing ovarian cancer care.
- Personalized treatment strategies based on molecular subsets are key to overcoming treatment resistance.
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