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Viral infections linked to reduced survival among women with Ovarian Cancer

Written By : Dr.Niharika Harsha B |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2023-12-18T08:30:01+05:30  |  Updated On 18 Dec 2023 12:35 PM IST
Viral infections linked to reduced survival among women with  Ovarian Cancer
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In a groundbreaking study, scientists have delved into the intricate relationship between infectious agents and the outcomes of high-grade serous epithelial ovarian cancer, a crucial but poorly understood aspect of the disease. The study revealed a significant association between the presence of viruses of interest (VOI) and lower overall survival, shedding light on potential implications for the clinical management of ovarian cancer. The study results were published in the journal PLOS One.

Early 20th-century findings established a link between infectious agents and cancer. Presently, 11 agents are recognized as carcinogenic. About 16% of global cancer cases may be linked to viruses, including HPV in ovarian tumors. The association's significance in high-grade serous ovarian cancer was explored in a single-institution cohort. Hence, in a quest to understand and shed light on the link between infectious agents and ovarian cancer, employing a comprehensive analysis of viral DNA in primary ovarian cancer tumors and its correlation with clinical outcomes was carried out through a cohort study.

Also Read: Letrozole may increase gestational diabetes risk during Frozen Embryo Transfer in Women With PCOS

Unveiling the Viral Landscape, Researchers meticulously examined archived tumors from 98 patients diagnosed with high-grade serous epithelial ovarian cancer, spanning from January 1, 1994, to December 31, 2010. Leveraging advanced Luminex technology, they identified polymerase chain reaction-amplified viral DNA for a diverse set of 113 specific viruses. Statistical methods, including logistic regression and Cox proportional hazards models, were applied to assess the associations between tumor viral status, disease outcome, and overall survival (OS).

Results:

Viruses of Interest: The findings revealed that almost half of the cases (45.9%) contained at least one virus. Six highly prevalent viruses, designated as viruses of interest (VOI), emerged as key players linked to clinical outcomes. These included Epstein-Barr virus 1, Merkel cell polyomavirus, human herpes virus 6b, and human papillomaviruses 4, 16, and 23.

Overall Survival rates: Significantly, the presence of VOI and platinum sensitivity were independently associated with OS. The median OS was notably reduced in tumors exhibiting VOI compared to those without (22 vs. 44 months). Distinctly, women below 70 years old with VOI in tumors displayed significantly lower median OS compared to age-matched counterparts without VOI (20 vs. 57 months). However, among women aged 70 or older, there was no discernible difference in OS based on tumor virus status.

Also Read: Long Covid linked to Cardiac Complications among covid survivors

Thus, the study's groundbreaking findings underscore a significant association between the presence of viruses of interest and lower overall survival in ovarian cancer patients. This revelation holds promise for potential implications in the clinical management of ovarian cancer. However, researchers emphasize the need for additional studies to comprehensively validate and understand the broader implications of these findings in the realm of ovarian cancer treatment. As the scientific community unravels the viral connection, these insights may pave the way for novel approaches to enhance outcomes and refine strategies for managing this complex disease.

Further reading: Prevalence of viral DNA in high-grade serous epithelial ovarian cancer and correlation with clinical outcomes. https://doi.org/10.1371/journal.pone.0294448


PLOS ONESharon E. RobertsonOvarian CancerViral DNAGynecologyMedicineCancer
Source : PLOS One
Dr.Niharika Harsha B
Dr.Niharika Harsha B

    BDS, MDS

    Dr.Niharika Harsha B (BDS,MDS) completed her BDS from Govt Dental College, Hyderabad and MDS from Dr.NTR University of health sciences(Now Kaloji Rao University). She has 4 years of private dental practice and worked for 2 years as Consultant Oral Radiologist at a Dental Imaging Centre in Hyderabad. She worked as Research Assistant and scientific writer in the development of Oral Anti cancer screening device with her seniors. She has a deep intriguing wish in writing highly engaging, captivating and informative medical content for a wider audience. She can be contacted at editorial@medicaldialogues.in.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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