Clinical Studies and Outcomes in Gynecological Cancers

A special issue of Cancers (ISSN 2072-6694). This special issue belongs to the section "Clinical Research of Cancer".

Deadline for manuscript submissions: closed (30 March 2023) | Viewed by 9438

Special Issue Editor


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Guest Editor
1. Department of Gynecology, Centre Hospitalier Universitaire de Tours, Hôpital Bretonneau, 2 boulevard Tonnellé, 37044 Tours, France
2. INSERM U1069, Université François-Rabelais, 37044 Tours, France
Interests: ovarian cancer; endometrial cancer; vulvar cancer; cervical cancer; clinical and translational studies in gynecologic oncology
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Special Issue Information

Dear Colleagues,

We are currently living in the era of personalized medicine: we have seen the use of antiPARP for ovarian cancers, the use of molecular classification for endometrial cancer, etc.; there is still a lot of progress to be made in order to provide individualized treatments for every patient.

This Special Issue will focus on clinical advances not yet in routine use that could impact the prognosis of patients with gynecological cancers.

Manuscripts will be solicited from top experts in the field covering (1) how the use of body composition parameters assessed by computed tomography may be informative on the outcomes of patients with gynecological malignancies, (2) how to improve current precision medicine in women with rare gynecological malignancies (i.e., vulvar cancer; vaginal cancer), and (3) new biomarkers that may enhance our ability to further personalize treatments with the potential to become powerful functional prediction models for treatment responsiveness that are unique to every patient. 

Dr. Lobna Ouldamer
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Cancers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • ovarian cancer
  • personalized medicine
  • endometrial cancer
  • vulvar cancer
  • cervical cancer
  • gynecological cancers
  • outcomes

Published Papers (5 papers)

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Research

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13 pages, 966 KiB  
Article
The Role of P16, P53, KI-67 and PD-L1 Immunostaining in Primary Vaginal Cancer
by Eva K. Egger, Mateja Condic, Damian J. Ralser, Milka Marinova, Alexander Mustea, Florian Recker, Glen Kristiansen and Thore Thiesler
Cancers 2023, 15(4), 1046; https://doi.org/10.3390/cancers15041046 - 7 Feb 2023
Viewed by 1535
Abstract
Background: To analyze clinical, pathological and immunohistochemical correlates of survival in vaginal cancer patients. Methods: Retrospective analysis of primary vaginal cancer patients, treated at the Department of Gynecology and Gynecological Oncology of the University Hospital Bonn between 2007 and 2021. Results: The study [...] Read more.
Background: To analyze clinical, pathological and immunohistochemical correlates of survival in vaginal cancer patients. Methods: Retrospective analysis of primary vaginal cancer patients, treated at the Department of Gynecology and Gynecological Oncology of the University Hospital Bonn between 2007 and 2021. Results: The study cohort comprised 22 patients. The median age was 63 years (range: 32–87 years). Squamous cell histology was present in 20 patients. Five-year OS in Stage I, II, III and IV was 100%, 56.25%, 0% and 41.67%, respectively (p = 0.147). Five-year DFS was 100%, 50%, 0% and 20.83%, respectively (p = 0.223). The 5-year OS was significantly reduced in the presence of nodal metastasis (p = 0.004), lymphangiosis (p = 0.009), hemangiosis (p = 0.002) and an age above 64 years (p = 0.029). Positive p 16 staining was associated with significantly improved OS (p = 0.010). Tumoral and immune cell PD-L1 staining was positive in 19 and in 16 patients, respectively, without significant impact on OS; 2 patients with metastastic disease are long-term survivors treated with either bevacizumab or pembrolizumab. Conclusion: P16 expression, absence of lymph- or hemangiosis, nodal negative disease and an age below 64 years show improved survival rates in PVC. Tumoral PD-L1 expression as well as PD-L1 expression on immune cells is frequent in PVC, without impacting survival. Within our study cohort, long-term survivors with recurrent PVC are treated with anti-VEGF and immunotherapy. Full article
(This article belongs to the Special Issue Clinical Studies and Outcomes in Gynecological Cancers)
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12 pages, 2029 KiB  
Article
A Suggested Modification to FIGO Stage IV Epithelial Ovarian Cancer
by Marie Métairie, Louise Benoit, Meriem Koual, Enrica Bentivegna, Henri Wohrer, Pierre-Adrien Bolze, Yohan Kerbage, Emilie Raimond, Cherif Akladios, Xavier Carcopino, Geoffroy Canlorbe, Jennifer Uzan, Vincent Lavoué, Camille Mimoun, Cyrille Huchon, Martin Koskas, Hélène Costaz, François Margueritte, Yohann Dabi, Cyril Touboul, Sofiane Bendifallah, Lobna Ouldamer, Nicolas Delanoy, Huyen-Thu Nguyen-Xuan, Anne-Sophie Bats and Henri Azaïsadd Show full author list remove Hide full author list
Cancers 2023, 15(3), 706; https://doi.org/10.3390/cancers15030706 - 24 Jan 2023
Cited by 2 | Viewed by 2319
Abstract
International Federation of Gynecology and Obstetrics (FIGO) staging classification for stage IV epithelial ovarian cancer (EOC) separates stages IVA (pleural effusion) and IVB (parenchymal and/or extra-abdominal lymph node metastases). We aimed to evaluate its prognostic impact and to compare survival according to the [...] Read more.
International Federation of Gynecology and Obstetrics (FIGO) staging classification for stage IV epithelial ovarian cancer (EOC) separates stages IVA (pleural effusion) and IVB (parenchymal and/or extra-abdominal lymph node metastases). We aimed to evaluate its prognostic impact and to compare survival according to the initial metastatic location. We conducted a multicenter study between 2000 and 2020, including patients with a FIGO stage IV EOC. Primary endpoint was overall survival (OS). The secondary endpoints were progression-free survival (PFS) and recurrence rates. We included 307 patients: 98 (32%) had FIGO stage IVA and 209 (68%) had FIGO stage IVB. The median OS and PFS of stage IVA patients were significantly lower than those of stage IVB patients (31 versus 45 months (p = 0.02) and 18 versus 25 months (p = 0.01), respectively). Recurrence rate was higher in stage IVA than IVB patients (65% versus 47% (p = 0.004)). Initial pleural involvement was a poor prognostic factor with a median OS of 35 months versus 49 months for patients without initial pleural involvement (p = 0.024). Patients with FIGO stage IVA had a worse prognosis than patients with FIGO stage IVB EOC. Pleural involvement appears to be relevant for predicting survival. We suggest a modification of the current FIGO staging classification. Full article
(This article belongs to the Special Issue Clinical Studies and Outcomes in Gynecological Cancers)
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19 pages, 4498 KiB  
Article
The Role of Intratumor Microbiomes in Cervical Cancer Metastasis
by Lu Jiang, Baofeng Duan, Peng Jia, Yan Zhang and Xin Yan
Cancers 2023, 15(2), 509; https://doi.org/10.3390/cancers15020509 - 13 Jan 2023
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Abstract
Background: Intratumor microbiomes can influence tumorigenesis and progression. The relationship between intratumor microbiomes and cervical cancer metastasis, however, remains unclear. Methods: We examined 294 cervical cancer samples together with information on microbial expression, identified metastasis-associated microbiomes, and used machine learning methods to validate [...] Read more.
Background: Intratumor microbiomes can influence tumorigenesis and progression. The relationship between intratumor microbiomes and cervical cancer metastasis, however, remains unclear. Methods: We examined 294 cervical cancer samples together with information on microbial expression, identified metastasis-associated microbiomes, and used machine learning methods to validate their predictive ability on tumor metastasis. The tumors were subsequently typed based on differences in microbial expression. Differentially expressed genes in different tumor types were combined to construct a tumor-prognostic risk score model and a multiparameter nomogram model. In addition, we performed a functional enrichment analysis of differentially expressed genes to infer the mechanism of action between microbiomes and tumor cells. Results: Based on the 15 differentially expressed microbiomes, machine learning models were able to correctly predict the risk of cervical cancer metastasis. In addition, both the risk score and the nomogram model accurately predicted tumor prognosis. Differences in the expression of endogenous genes in tumors can influence the distribution of the intracellular microbiomes. Conclusions: Intratumoral microbiomes in cervical cancer are associated with tumor metastasis and influence disease prognosis. A change in gene expression within tumor cells is responsible for differences in the microbial populations within the tumor. Full article
(This article belongs to the Special Issue Clinical Studies and Outcomes in Gynecological Cancers)
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19 pages, 11905 KiB  
Article
Platinum-Resistant Ovarian Cancer Is Vulnerable to the cJUN-XRCC4 Pathway Inhibition
by Manman Xu, Xi Huang, Cuimiao Zheng, Junming Long, Qingyuan Dai, Yangyang Chen, Jingyi Lu, Chaoyun Pan, Shuzhong Yao and Jie Li
Cancers 2022, 14(24), 6068; https://doi.org/10.3390/cancers14246068 - 9 Dec 2022
Cited by 1 | Viewed by 1288
Abstract
DNA double-strand breaks (DSBs) caused by platinum drugs are dangerous lesions that kill cancer cells in chemotherapy. Repair of DSB by homologous recombination (HR) and nonhomologous end joining (NHEJ) is frequently associated with platinum resistance in ovarian cancer. While the role of the [...] Read more.
DNA double-strand breaks (DSBs) caused by platinum drugs are dangerous lesions that kill cancer cells in chemotherapy. Repair of DSB by homologous recombination (HR) and nonhomologous end joining (NHEJ) is frequently associated with platinum resistance in ovarian cancer. While the role of the HR pathway and HR-targeting strategy in platinum resistance is well studied, dissecting and targeting NHEJ machinery to overcome platinum resistance in ovarian cancer remain largely unexplored. Here, through an NHEJ pathway-focused gene RNAi screen, we found that the knockdown of XRCC4 significantly sensitized cisplatin treatment in the platinum-resistant ovarian cancer cell lines. Moreover, upregulation of XRCC4 is observed in a panel of platinum-resistant cell lines relative to the parental cell lines, as well as in ovarian cancer patients with poor progression-free survival. Mechanistically, the increased sensitivity to cisplatin upon XRCC4 knockdown was caused by accumulated DNA damage. In cisplatin-resistant ovarian cancer, the JNK-cJUN complex, activated by cisplatin, translocated into the nucleus and promoted the transcription of XRCC4 to confer cisplatin resistance. Knockdown of XRCC4 or treatment of the JNK inhibitor led to the attenuation of cisplatin-resistant tumor growth in the xenograft mouse models. These data suggest targeting XRCC4 is a potential strategy for ovarian cisplatin resistance in ovarian cancer. Full article
(This article belongs to the Special Issue Clinical Studies and Outcomes in Gynecological Cancers)
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Review

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9 pages, 254 KiB  
Review
Prevalence of Homologous Recombination Deficiency in First-Line PARP Inhibitor Maintenance Clinical Trials and Further Implication of Personalized Treatment in Ovarian Cancer
by E Sun Paik, Ha Kyun Chang and Sanghoon Lee
Cancers 2023, 15(12), 3095; https://doi.org/10.3390/cancers15123095 - 7 Jun 2023
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Abstract
Among ovarian cancer patients with BRCA mutation or homologous recombination deficiency (HRD), the efficacy of Poly-ADP-ribose polymerase (PARP) inhibitors such as olaparib, niraparib, veliparib, and rucaparib has been proven in a number of clinical trials. BRCA mutation and HRD are currently indicated for [...] Read more.
Among ovarian cancer patients with BRCA mutation or homologous recombination deficiency (HRD), the efficacy of Poly-ADP-ribose polymerase (PARP) inhibitors such as olaparib, niraparib, veliparib, and rucaparib has been proven in a number of clinical trials. BRCA mutation and HRD are currently indicated for PARP inhibitor maintenance treatment in ovarian cancer. HRD diagnostic tests examine various components, resulting in different HRD status definitions and, as a result, different treatment decisions. A number of HRD diagnostic tests exist, but test results provided by different companies may differ as they use different methods and different cutoffs. HRD prevalence difference was shown between PARP inhibitor maintenance trials. It is important to select an appropriate method that can present accurate HRD phenotypes to predict sensitivity to PARP inhibitors so that patients who are most likely to benefit from treatment are selected. Additionally, in the subset data of the PARP inhibitor maintenance trials, there was a difference in HRD prevalence by race as higher HRD prevalence in Japanese and Chinese ovarian cancer patients was shown. Further large-scale investigations on racial differences in HRD prevalence are needed and this may contribute to changes in determining the treatment plan and personalized treatment in ovarian cancer patients. Full article
(This article belongs to the Special Issue Clinical Studies and Outcomes in Gynecological Cancers)
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