Katarzyna Regulska, Marcin Michalak, Tomasz Kolenda, Joanna Kozłowska-Masłoń, Kacper Guglas, Beata Stanisz
{"title":"Angiotensin-converting enzyme inhibitors for ovarian cancer? - a new adjuvant option or a silent trap.","authors":"Katarzyna Regulska, Marcin Michalak, Tomasz Kolenda, Joanna Kozłowska-Masłoń, Kacper Guglas, Beata Stanisz","doi":"10.5603/RPOR.a2023.0059","DOIUrl":"10.5603/RPOR.a2023.0059","url":null,"abstract":"<p><strong>Background: </strong>Ovarian cancer is a huge therapeutic and financial problem for which approved treatments have already achieved their limit of efficiency. A cost-effective strategy to extend therapeutic options in this malignancy is drug repurposing aimed at overcoming chemoresistance. Here, angiotensin-converting enzyme inhibitors (ACE-I) are worth considering.</p><p><strong>Materials and methods: </strong>We searched literature for publications supporting the idea of adjuvant application of ACE-Is in ovarian malignancy. Then, we searched The Cancer Genome Atlas databases for relevant alternations of gene expression patterns. We also performed in silico structure-activity relationship evaluation for predicting ACE-Is' cytotoxicity against ovarian cancer cell lines. Finally, we reviewed the potential obstacles in ACE-Is repurposing process.</p><p><strong>Results: </strong>The alternation of angiotensin receptor expression in ovarian cancer translates into poorer patient survival. This confirms the participation of the renin-angiotensin system in ovarian carcinogenesis. In observational studies, ACE-Is were shown synergize with both, platinum-based chemotherapy as well as with antiangiogenic therapy. Consistently, our in silico simulation showed that ACE-Is are probably cytotoxic against ovarian cancer cells. However, the publications on their chemopreventive properties were inconclusive. In addition, some reports correlated ACE-Is use with increased general cancer incidence. We hypothesized that this effect could be associated with mutagenic nitrosamine formation in ACE-Is' pharmaceutical formulations, as was the case with angiotensin receptor blockers (ARBs) and other well-established pharmaceuticals.</p><p><strong>Conclusions: </strong>Available data warrant further research into repositioning ACE-Is to ovarian cancer as chemosensitizers. Prior to this, however, a special research program is needed to detect possible genotoxic contaminants of ACE-Is.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"551-564"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/1a/72/rpor-28-4-551.PMC10547424.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41143316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Beyond the heart in hypofractionated radiotherapy and in the transition from 3D to IMRT/VMAT.","authors":"Lorena Lio Mondragon, Hidralba Pérez Lopez, Adolfo Fernández Diaz, Iván Avilés Lio, Alejandro Olmos Guzman","doi":"10.5603/RPOR.a2023.0053","DOIUrl":"https://doi.org/10.5603/RPOR.a2023.0053","url":null,"abstract":"<p><strong>Background: </strong>The knowledge of the risks induced by radiation with hypofractionation regimens has only recently been estimated together with its implementation as a management standard. However, the dose to other risk organs with intensity-modulated radiation therapy (IMRT) or volumetric modulated arc therapy (VMAT) is not clear, that is why this is only a reference study of radiation doses to organs at risk in hypofractionation in our center.</p><p><strong>Materials and methods: </strong>We completed a retrospective and observational analysis of 1398 patients treated with adjuvant hypofractionated radiotherapy from 2015 to 2018, using the clinical records and dose-volume histogram of patients treated with moderate hypofractionated adjuvant radiotherapy. To analyze the institutional experience on the dosimetry of the esophagus and liver as risk organs in the use of moderate adjuvant hypofractionated radiotherapy in breast cancer.</p><p><strong>Results: </strong>The dosimetry of the esophagus was 3271 cGy DMax, 177 cGy DMed, 68 cGy D50%, 500 cGy DcMAX with 3D RT and 4124 cGy DMax, 1242 cGy DMed, 934.50 cGy D50%, 3213 cGy DcMAX with IMRT/VMAT and the dosimetry for the liver was for right breast cancer 466 cGy DMed, 102 cGy D50% and 8% V20, for left breast cancer 22 cGy DMed, 6.10 cGy D50% and 0.3% V20.</p><p><strong>Conclusion: </strong>The statistically significant differences in irradiation show the lack of consensus on the optimal restrictions in hypofractionation regimens to reduce clinical sequela; consequently, the variability in the specification of each radiation oncologist is observed; standardization in our center can lead to improvement in the quality of treatments.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"478-484"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b9/29/rpor-28-4-478.PMC10547416.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41147944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Hippocampal avoidance whole brain radiotherapy in brain metastasis using volumetric modulated arc therapy: experience from a Regional Cancer Centre of Eastern India.","authors":"Goyel Deepsikha, Tapas Maji, Debarshi Lahiri, Sanjoy Roy, Sayoni Bhanja, Sreekrishna Rangineni, Dilip Kumar Ray, Bijan Kumar Mohanta, Dilip Kumar Misra, Palas De","doi":"10.5603/RPOR.a2023.0048","DOIUrl":"10.5603/RPOR.a2023.0048","url":null,"abstract":"<p><strong>Background: </strong>Whole-brain radiotherapy is associated with neurocognitive decline and decreased quality-of-life (QOL) among survivors of brain metastasis. Hippocampal-avoidance whole-brain radiotherapy (HA-WBRT) has shown advantage in delaying or preventing the neurocognitive decline while maintaining disease control. This study was done to assess the benefits and feasibility of HA-WBRT in patients with cerebral metastasis in terms of preservation of neurocognitive function and quality of life.</p><p><strong>Materials and methods: </strong>27 patients with brain metastasis treated by HA-WBRT and having the records of detailed neurocognitive-assessments were analysed from the database of our hospital. The patients were treated with HA-WBRT to a total dose of 30 Gy in 10 fractions with LINAC based IMRT using the VMAT technique. Cognitive function assessment was carried out using \"Examination of the Cognitive Functions\" scale provided by Bangur-Institute-of-Neurosciences, Kolkata, 2 weeks prior to radiotherapy and post-treatment two-monthly up to 6 months followed by every 3 months till the last follow up. QOL was assessed at the same interval using the Functional Assessment of Cancer Therapy with Brain Subscale (FACT-BR). Follow-up was done till the date of death.</p><p><strong>Results: </strong>Mean relative cognitive decline percentage decreased over subsequent follow-up visits and was 13% (SD ± 6%), 5% (SD ± 5%), 5% (SD ± 9%) and 2% (SD ± 12%) at 2 months, 6 months, 9 months and 12 months, respectively (p ≤ 0.05). Statistically significant improvement was seen in the mean social-wellbeing (SWB) parameter of QOL (8%. ± 13%, 12%. ± 16%, 7%. ± 20%, no change at 2 months, 4 months, 6 months and 9 months, respectively) (p ≤ 0.05). Mean relative decline in the Emotional-Well Being (EWB) parameter was significant only at 12 months and was 20% (SD ± 35%) (p = 0.04). Mean FACT-BR total Score showed a slight decrease till 9 months from baseline, and then showed a slight improvement up to 12 months.</p><p><strong>Conclusion: </strong>HA-WBRT is feasible with LINAC-based IMRT using the VMAT technique and beneficial to the patients in preserving neurocognitive function and quality of life without compromising disease control.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"468-477"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/0a/01/rpor-28-4-468.PMC10547418.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41169355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Al Firman, Syah Mirsya Warli, Bungaran Sihombing, Aznan Lelo, Rr Suzy Indharty, Iqbal Pahlevi Adeputera Nasution, Adi Muradi Muhar
{"title":"Changes in thyroid function in prostate cancer patients receiving docetaxel chemotherapy at Haji Adam Malik Hospital, Indonesia.","authors":"Al Firman, Syah Mirsya Warli, Bungaran Sihombing, Aznan Lelo, Rr Suzy Indharty, Iqbal Pahlevi Adeputera Nasution, Adi Muradi Muhar","doi":"10.5603/RPOR.a2023.0057","DOIUrl":"10.5603/RPOR.a2023.0057","url":null,"abstract":"<p><strong>Background: </strong>Prostate cancer treatment is determined based on several factors, namely tumor grading, staging, co-morbidity, patient preferences, life expectancy at diagnosis. Today, taxanes are commonly prescribed to treat several types of cancer and have been shown to have antitumor effects in many cancers. This research has never been done in prostate cancer patients but similar studies have been done before in breast cancer patients.</p><p><strong>Materials and methods: </strong>The research design was observational analytic where this type of research was a prospective cohort where data was collected to record prostate cancer patients who received docetaxel chemotherapy which were then examined for thyroid function in cancer patients at the Adam Malik Hospital, Medan, Indonesia.</p><p><strong>Result: </strong>In this study, data were collected regarding the thyroid function of the study sample in the form of free thyroxine (fT4) and thyroid-stimulating hormone (TSH) levels before chemotherapy with the docetaxel regimen. The mean of fT4 in all research subjects was 1.05 with a standard deviation of 0.26. The mean TSH in all study subjects was 1.52 with a standard deviation of 1.21. Thyroid function was examined after 3 cycles of docetaxel chemotherapy. The mean of fT4 in all research subjects was 0.91 with a standard deviation of 0.23. The mean TSH in all study subjects was 1.69 with a standard deviation of 1.09.</p><p><strong>Conclusion: </strong>There are traces of the use of docetaxel chemotherapy in prostate cancer patients on decreased thyroid function at the Adam Malik Hospital in the form of decreased fT4 levels and increased TSH.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"522-528"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b5/1c/rpor-28-4-522.PMC10547421.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41113510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Aisha Elsayed Mohamed, Ashraf Hamed Hassouna, Hanan Selim Mosalum, Ahmed Khaled Alnagmy, May Gamal Ashour
{"title":"The outcome of early-stage glottic carcinoma patients treated with radiotherapy: Egyptian National Cancer Institute (NCI-Egypt) experience.","authors":"Aisha Elsayed Mohamed, Ashraf Hamed Hassouna, Hanan Selim Mosalum, Ahmed Khaled Alnagmy, May Gamal Ashour","doi":"10.5603/RPOR.a2023.0052","DOIUrl":"https://doi.org/10.5603/RPOR.a2023.0052","url":null,"abstract":"<p><strong>Background: </strong>Radiotherapy (RT) is an appropriate treatment option for early-stage glottic cancer (ESGC) that achieves high local control and preserves voice quality. However, the optimal radiation treatment schedule remains unknown. We present our institution's 14-year experience in treating ESGC with definitive radiotherapy between 2005 and 2019 inclusively.</p><p><strong>Materials and methods: </strong>We reviewed the medical records of 104 patients; 63 (60.5%) were treated with conventional fractionation (CF), and 41 (39.5%) were treated with hypofractionated radiotherapy (HF). The clinical T-stage was T1a in 50 patients (48%), T1b in 27 (26%), and T2 in 27 (26%). Age, gender, anterior commissure involvement, stage, radiotherapy technique, radiation fraction size, and overall treatment time (OTT) were analyzed as prognostic factors. The survival outcomes, local regional control (LRC), and laryngeal preservation rate were evaluated.</p><p><strong>Results: </strong>The 5-year overall survival (OS) and LCR were 83.3% and 78%, respectively. On univariate analysis, treatment with CF (p = 0.02), prolonged OTT > 49 days in CF and > 40 days in HF (p = 0.04), and RT total dose < 66 Gy (p = 0.03) were associated with poor LRC. Multivariate analysis showed a non-significant association with LRC (all p > 0.05). The 5-year OS rate in the CF and HF-treated patients was 84.9% and 72.1%, respectively (p = 0.99), and in patients who had T1a, T1b, and T2 disease, were 78.2%, 96.0%, and 82.1%, respectively (p = 0.43). All patients and tumor variables showed no statistically significant association with OS. Only low-grade acute toxicity was observed.</p><p><strong>Conclusion: </strong>Non-inferiority results supported the HF schedule to ESGC, including high local disease control and decreased overall treatment time. Our study supports its efficacy in the primary care of ESGC with manageable side effects.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"496-505"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/da/a5/rpor-28-4-496.PMC10547425.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41139659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rahul Lal Chowdhary, Kundan Singh Chufal, Mohammed Ismail, Irfan Ahmad, M Jwala, Anjali K Pahuja, Lalit Kumar
{"title":"Intuitive evaluation of contemporary management strategies in thymoma - the largest Indian experience.","authors":"Rahul Lal Chowdhary, Kundan Singh Chufal, Mohammed Ismail, Irfan Ahmad, M Jwala, Anjali K Pahuja, Lalit Kumar","doi":"10.5603/RPOR.a2023.0050","DOIUrl":"10.5603/RPOR.a2023.0050","url":null,"abstract":"<p><strong>Background: </strong>The aim was perusal of the treatment strategies, clinical outcomes and factors impacting these outcomes in thymoma.</p><p><strong>Materials and methods: </strong>A total of 119 patients diagnosed and treated cases of thymoma, at our hospital, were taken for analysis. Thirty-one patients were excluded due to inadequate medical records. Descriptive statistics were used to report demographic and clinical characteristics. Time period between diagnosis and death was defined as overall survival (OS). Multivariate analysis (MVA), using cox regression modelling, was done by including clinicopathological factors in a bid to identify prognostic factors influencing OS. SPSS version 26 was used for statistical analysis.</p><p><strong>Results: </strong>The mean age of the patients was 52.17 years and 39 (44.3%), 19 (21.6%), 17 (1.3%) and 13 (4.8%) patients presented with Masaoka stage II, IV, III and I, respectively. Surgery was done in 64 (72.7%) of the patients as a part of the treatment strategy. Radiotherapy was administered to a total of 57 patients with a median dose of 50.4 Gy. Early Masaoka stage at presentation and use of surgery in the treatment plan were statistically significant prognostic factors for a better overall survival on multivariate analysis.</p><p><strong>Conclusion: </strong>Judicious use of radiotherapy and chemotherapy in locally advanced cases may render them resectable. In a bid to gain good survival rates, aggressive multimodality treatment should be offered to the patients.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"454-462"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/35/68/rpor-28-4-454.PMC10547419.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41147971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Surya Prakash Vankina, Surekha Goyal, Geeta S Narayanan
{"title":"Upper limit of radiation treatment portals in rectal cancer: is it wise to keep using bony landmarks in the present era of 3D conformal treatment?","authors":"Surya Prakash Vankina, Surekha Goyal, Geeta S Narayanan","doi":"10.5603/RPOR.a2023.0045","DOIUrl":"10.5603/RPOR.a2023.0045","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to compare the levels of L5-S1 interspace and the bifurcation of common iliac vessels on simulation images of rectal cancer patients to evaluate the adequacy of superior borders in conventional 2D planning for covering internal iliac vessels.</p><p><strong>Materials and methods: </strong>Simulation images of 236 rectal cancer patients who received neoadjuvant chemoradiation and surgery were analyzed. The images were retrieved from the radiation treatment database and included delineations of L5-S1 interspace and common iliac vessel bifurcation. Distances between these landmarks were measured.</p><p><strong>Results: </strong>Among the 236 patients, the majority had the common iliac artery bifurcation positioned above the L5-S1 interspace. Specifically, 78.3% of patients had the right common iliac bifurcation above L5-S1 interspace, with an average distance of 2.02 cm. For the left common iliac artery, 77.11% of patients had the bifurcation above L5-S1 interspace, with an average distance of 1.99 cm. Notably, there were cases where the bifurcations were not at the same level.</p><p><strong>Conclusion: </strong>Using the L5-S1 junction as the upper border of the treatment portal may result in missing proximal nodes at risk of metastases. However, further research is needed to determine the significance of failures above the L5-S1 interspace for justifying the inclusion of the common iliac artery bifurcation in the treatment portal.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"565-569"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/54/0d/rpor-28-4-565.PMC10547415.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41137305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Huy Quang Dang, Cong Thanh Nguyen, Hoat Viet Pham, Linh Duc Tran, Cong Duc Nguyen, Dung Vu Manh Truong, Trang Thi Kieu Hoang, Tao Van Chau
{"title":"The institutional experience of the implementing 4DCT in NSCLC radiotherapy planning.","authors":"Huy Quang Dang, Cong Thanh Nguyen, Hoat Viet Pham, Linh Duc Tran, Cong Duc Nguyen, Dung Vu Manh Truong, Trang Thi Kieu Hoang, Tao Van Chau","doi":"10.5603/RPOR.a2023.0056","DOIUrl":"10.5603/RPOR.a2023.0056","url":null,"abstract":"<p><strong>Background: </strong>The study was to evaluate the effectiveness of dose distribution of four-dimensional computed tomography (4DCT) simulation.</p><p><strong>Materials and methods: </strong>The gross tumor volume (GTV) and clinical target volume (CTV) were contoured in all 10 respiratory phases of 4DCT in 30 patients with non-small cell lung cancer (NSCLC). Both 3D and 4D treatment plans were made individually for each patient using the planning volume (PTV). The PTV3D was taken from a single CTV plus the recommended margin, and the PTV4D was taken from the 4D internal target volume, including all 10 CTVs plus the setup margins.</p><p><strong>Results: </strong>The mean PTV was 460 ± 179 (69-820) cm<sup>3</sup> for 3DCT and 401 ± 167 (127-854) cm<sup>3</sup> for 4DCT (p = 0.0018). The dose distribution (DD) of organs at risk, especially the lungs, was lower for the 4DCT simulation. The V5%, V10%, and V20% of the total lung dose for 4DCT were significantly lower for the 3DCT. However, lung V30% the heart, esophagus, and spinal cord were not significantly different. In addition, the conformity index and the dose heterogeneity index of the PTV were not significantly different. The normal tissue complication probability (NTCP) of the lung and heart was significantly lower for 4DCT than for 3DCT.</p><p><strong>Conclusions: </strong>The 4DCT simulation gives better results on the NTCP. The organs at risk, especially the lungs, receive a significantly lower DD compared with the 3DCT. The conformity index (CI), heterogeneity index (HI) and the DD to the heart, spinal cord, and esophagus were not significantly different between the two techniques.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"445-453"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/3c/dd/rpor-28-4-445.PMC10547414.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41160418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Amany Ramadan, Hala M Ghanem, Amal A Mohamed, Mohamed Elshobaky, Waleed El Agawy, Eman Al Hussain A Gawad, Hala H Eldeeb, Mohamed R Ezz Al Arab, Maha M Kamal
{"title":"GPC3 gene expression and allelic discrimination of FZD7 gene in Egyptian patients with hepatocellular carcinoma.","authors":"Amany Ramadan, Hala M Ghanem, Amal A Mohamed, Mohamed Elshobaky, Waleed El Agawy, Eman Al Hussain A Gawad, Hala H Eldeeb, Mohamed R Ezz Al Arab, Maha M Kamal","doi":"10.5603/RPOR.a2023.0049","DOIUrl":"https://doi.org/10.5603/RPOR.a2023.0049","url":null,"abstract":"<p><strong>Background: </strong>Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related deaths worldwide, and especially in Egypt. Early diagnosis of HCC greatly improves the survival and prognosis of patients. Low sensitivity and specificity of alpha-fetoprotein (AFP) has led to the demand for novel biomarkers of HCC. The aim of the present study was to evaluate the validity of frizzled-7 (FZD7) and glypican-3 (GPC3) gene expression as potential biomarkers for HCC early diagnosis, and to investigate the association between FZD7 rs2280509 polymorphism and HCC risk.</p><p><strong>Materials and methods: </strong>Quantification of FZD7 and GPC3 gene expression by real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR) assay, and genotyping FZD 7 (rs2280509 SNP) gene polymorphism using RT-PCR.</p><p><strong>Results: </strong>The current results revealed that FZD7 gene expression had a greater area under the curve (AUC) for identifying HCC than GPC3 gene expression and AFP levels. The combination of the three markers as a panel showed a better diagnostic performance with a greater AUC than any of the single markers alone (p < 0.05). The FZD7 rs2280509 polymorphism (CT) was found to be significantly associated with an increased risk of HCC. The CT genotype and T allele were significantly more prevalent in the HCC group compared to either the cirrhosis (p = 0.03) or control groups (p = 0.0009 and 0.002; respectively).</p><p><strong>Conclusion: </strong>FZD7 and GPC3 gene expressions have a complementary role in early HCC detection, with a greater diagnostic sensitivity and accuracy than AFP. In addition, FZD7 rs2280509 polymorphism is significantly associated with an increased risk of HCC in the Egyptian population.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"485-495"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d0/5a/rpor-28-4-485.PMC10547423.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41152739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comparison of pain-relieving effects by number of irradiations, through propensity score matching and the international consensus endpoint.","authors":"Yuki Aoki, Michihiro Nakayama, Kaori Nakajima, Masaaki Yamashina, Atsutaka Okizaki","doi":"10.5603/RPOR.a2023.0054","DOIUrl":"10.5603/RPOR.a2023.0054","url":null,"abstract":"<p><strong>Background: </strong>Palliative radiotherapy for bone metastases utilizes various dose fractionation schedules. The pain-relieving effects of a single fraction (SF) and multiple fractions (MF) are largely debated due to the difficulty in matching patients' backgrounds and in assessing the effectiveness of pain relief. This study aimed to compare the pain-relieving effects of SF and MF palliative radiotherapy for bone metastases using propensity score matching and the international consensus endpoint (ICE).</p><p><strong>Materials and methods: </strong>Our study included 195 patients irradiated for bone metastasis. The primary endpoint was the pain-relieving effects used by ICE. In addition, the evaluation was performed by using responder (complete response/partial response) and non-responder (pain progression/indeterminate response) categorization. The secondary endpoints were the discharge or transfer rate at one month after irradiation and postirradiation pathological fracture rate. Propensity score matching was used to adjust patient's characteristics and reduce selection bias.</p><p><strong>Results: </strong>After adapting propensity score matching, the total number of patients was 74. There was no significant difference in the pain-relieving effects between SF and MF (p = 0.184). There were no significant differences in them between SF and MF when using responder and non-responder categorization (p = 0.163). Furthermore, there were no differences in the discharge or transfer rates (p = 0.693) and pathological fracture rates (p = 1.00).</p><p><strong>Conclusions: </strong>The combination of propensity score matching and ICE revealed no significant difference in the pain-relieving effects between SF and MF for bone metastases, thus, SF has no significant disadvantage compared to MF in pain-relieving effects.</p>","PeriodicalId":47283,"journal":{"name":"Reports of Practical Oncology and Radiotherapy","volume":"28 4","pages":"506-513"},"PeriodicalIF":1.2,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b4/11/rpor-28-4-506.PMC10547426.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41153179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}