Current radiopharmaceuticals最新文献

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The Central Composite Design and Artificial Neural Network Coupled with Genetic Algorithm in Optimization and Modeling of the Radiolabeling Process of 177Lu-hydroxyapatite as a Potential Radiosynovectomy Agent. 中心复合设计与人工神经网络结合遗传算法对177lu -羟基磷灰石作为潜在放射滑膜切除药物的放射标记过程进行优化建模。
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710336283250227020659
Sima Attar Nosrati, Maryam Salahinejad, Mohammad Reza Aboudzadeh, Mojtaba Amiri, Ali Roozbahani
{"title":"The Central Composite Design and Artificial Neural Network Coupled with Genetic Algorithm in Optimization and Modeling of the Radiolabeling Process of <sup>177</sup>Lu-hydroxyapatite as a Potential Radiosynovectomy Agent.","authors":"Sima Attar Nosrati, Maryam Salahinejad, Mohammad Reza Aboudzadeh, Mojtaba Amiri, Ali Roozbahani","doi":"10.2174/0118744710336283250227020659","DOIUrl":"10.2174/0118744710336283250227020659","url":null,"abstract":"<p><strong>Introduction: </strong>A promising material used in radiation synovectomy of small joints is hydroxyapatite, labeled with <sup>177</sup>Lu. During the design and production of radiopharmaceuticals, the condition of the radiolabeling process directly influences the radiochemical yield and consequently the quality of the final product so this process necessitates precise optimization.</p><p><strong>Methods: </strong>In this investigation, a central composite design based on response surface methodology and artificial neural networks modeling coupled with genetic algorithm technique is applied to build predictive models and explore key parameters' effect in hydroxyapatite's radiolabeling process with <sup>177</sup>Lu radionuclide. The variables that directly affected the labeling reaction were the initial <sup>177</sup>Lu radioactivity, pH, radiolabeling reaction time, and temperature.</p><p><strong>Results: </strong>Based on the validation data set, the statistical values demonstrate that the artificial neural networks model performs better than the response surface methodology model. The artificial neural networks model has a small mean squared error (9.08 artificial neural networks < 12.36 response surface methodology) and a high coefficient of determination (R<sup>2</sup>: 0.99 artificial neural networks > 0.93 response surface methodology). The optimum conditions to achieve maximum radiochemical yield based on response surface methodology using artificial neural networks modeling coupled with genetic algorithm were at the initial radioactivity of <sup>177</sup>Lu radionuclide = 0.082 Gigabecquerel (GBq), pH = 6.75, time= 22 (min), and temperature = 37.8 (<sup>o</sup>C).</p><p><strong>Conclusion: </strong>The ability to generate more data with fewer experiments for optimization and improved production is a pertinent advantage of multivariate optimization methods over traditional methods in radiation-related activities. The central composite design and artificial neural network- genetic algorithm optimization approaches are successfully utilized to create prediction models and investigate the impact of critical variables in the radiolabeling of hydroxyapatite with <sup>177</sup>Lu radionuclide.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"201-215"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143540500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Analysis of the Radiosensitiser Applications in the Biomedical Field. 分析放射增敏剂在生物医学领域的应用。
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710269842240825160247
Teng Sheng Lim, Irman Abdul Rahman, Aminah Umar, Norsyahidah Mohd Hidzir, Kenton Paul Arkill, Razinah Sharif, Mohd Anuar Jonet, Hur Munawar Kabir Mohd, Faizal Mohamed
{"title":"An Analysis of the Radiosensitiser Applications in the Biomedical Field.","authors":"Teng Sheng Lim, Irman Abdul Rahman, Aminah Umar, Norsyahidah Mohd Hidzir, Kenton Paul Arkill, Razinah Sharif, Mohd Anuar Jonet, Hur Munawar Kabir Mohd, Faizal Mohamed","doi":"10.2174/0118744710269842240825160247","DOIUrl":"10.2174/0118744710269842240825160247","url":null,"abstract":"<p><strong>Background: </strong>Various types of radiosensitisers have been introduced from the past until the present day for applications in the biomedical field. However, there is a lack of understanding and comparison between the various parameters introduced in addition to a lack of consensus among researchers on the optimal radiosensitiser for applications in the biomedical field.</p><p><strong>Objective: </strong>This review aimed to investigate the usage of radiosensitisers in the biomedical field, determine their important parameters, and suggest radiosensitisers with potential among the analysed radiosensitisers.</p><p><strong>Results and conclusion: </strong>This review has discussed several parameters for radiosensitisers, including median lethal dose, cell survival, tumour size, cell viability, Dose Enhancement Factor (DEF), Reactive Oxygen Species (ROS) concentration, radiosensitiser production complexity, radiosensitiser administration technique, and radiosensitiser toxicity. General trends regarding the development of radiosensitisers, including the types, effectiveness, and their production complexity, have also been discussed within this review article.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"81-99"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142119212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing Ketoprofen Solubility: A Strategic Approach Using Solid Dispersion and Response Surface Methodology. 提高酮洛芬的溶解度:使用固体分散和响应面方法的战略方法。
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710311951241018054453
Devika Tripathi, Dinesh Kumar Sharma, Jagannath Sahoo
{"title":"Enhancing Ketoprofen Solubility: A Strategic Approach Using Solid Dispersion and Response Surface Methodology.","authors":"Devika Tripathi, Dinesh Kumar Sharma, Jagannath Sahoo","doi":"10.2174/0118744710311951241018054453","DOIUrl":"10.2174/0118744710311951241018054453","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Background: &lt;/strong&gt;In the pharmaceutical sciences, the solubility profile of therapeutic molecules is crucial for identifying and formulating drugs and evaluating their quality across the drug discovery pipeline based on factors like oral bioavailability, metabolic transformation, biodistribution kinetics, and potential toxicological implications. The investigation aims to enhance the solubility parameters of ketoprofen (BCS-II class), which exhibits low solubility and high permeability.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods: &lt;/strong&gt;In this method, hydrotrope blends of aromatic sodium benzoate and electrolyte sodium acetate were employed to enhance the solubility parameter of ketoprofen. Several batches of solid dispersion of ketoprofen were made using a solvent evaporation method, and the response surface method 3² factorial design was used to find the best one. The optimised formulation, KSD9, underwent in-vitro drug dissolution, DSC, pXRD, and SEM studies.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;The optimized batch demonstrated substantial improvement in ketoprofen solubility, attributed to mixed hydrotropy. The results indicated that both solubility and %CDR improved when hydrotropes were employed, suggesting a direct proportionality between the rise in solubility and % CDR. Formulations KSD1-KSD9 exhibited solubility enhancements ranging from 2.23 to 5.77-fold, along with an elevation in % CDR from 72.28% to 94.76%. This implies that the % CDR was modulated by the hydrotropes, specifically influenced by the concentration levels of the independent variables. An increase in hydrotrope levels corresponded to an increase in % CDR. The positive coefficients in the quadratic equation for % CDR underscored the significant role of these independent variables in augmenting the in-vitro release of Ketoprofen. Similarly, during a comparative dissolution investigation, the optimized KSD9 formulation exhibited remarkable solubility and drug content compared to conventional Ketoprofen dispersible tablets.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusion: &lt;/strong&gt;The synergistic effect of combining two hydrotropic agents significantly increased the solubility of ketoprofen by up to 58 times. The results indicated that the independent variables exerted a positive influence on solubility and % CDR. Furthermore, the responses were contingent on the specific hydrotropes selected, which functioned as the independent variables. Analyzing the r² and ANOVA results suggested that the dependent variables aligned well with the chosen model. Visual representations, such as the 3D response surface plot and contour plot, demonstrated the impact of each hydrotrope individually and when combined. Overall, employing hydrotropes led to improved solubility and % CDR, highlighting a direct proportionality between the rise in solubility and % CDR. Mixed hydrotropic lessens the toxicity associated with individual hydrotrope concentrations while also offering a sustainable and eco-friendly alternative. This st","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"100-119"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142496719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Estimation Value of 99mTc-MAA in Comparison with 90Y-PET/MR-based Dosimetry in Selective Internal Radiation Therapy (SIRT) for Liver Malignancies. 99mTc-MAA与90Y-PET/ mr剂量法在肝脏恶性肿瘤选择性内放射治疗(SIRT)中的价值比较
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710333819250112153859
Nami Yeyin, Mohammad Abuqbeitah, Aysel Namazova, Mustafa Demir
{"title":"The Estimation Value of <sup>99m</sup>Tc-MAA in Comparison with <sup>90</sup>Y-PET/MR-based Dosimetry in Selective Internal Radiation Therapy (SIRT) for Liver Malignancies.","authors":"Nami Yeyin, Mohammad Abuqbeitah, Aysel Namazova, Mustafa Demir","doi":"10.2174/0118744710333819250112153859","DOIUrl":"10.2174/0118744710333819250112153859","url":null,"abstract":"<p><strong>Aim: </strong>This study intended to compare the radiation dose estimates to target and nontarget liver compartments from <sup>99m</sup>Tc-MAA SPECT/CT and <sup>90</sup>Y-PET/MR scans in liver tumors treated by <sup>90</sup>Y-glass microspheres.</p><p><strong>Materials and methods: </strong>Dose estimation was performed for twenty-three eligible patients (13M, 10F) after <sup>99m</sup>Tc-MAA simulation using SPECT/CT imaging, and over <sup>90</sup>Y-PET/MR images after <sup>90</sup>Y-microsphere therapy. Simplicit<sup>90</sup>Y™ software was used for voxel-based dosimetry over the liver parenchyma. Dose estimates were obtained for whole healthy liver (HL), healthy injected liver (HIL), and tumor volumes. Pearson correlation, Bland-Altman plot, and Wilcoxon signed-ranks test were used for statistical analysis.</p><p><strong>Results: </strong>The mean tumor dose was 270 ± 111 Gy, the whole liver parenchyma dose was 26 ± 12 Gy, and the healthy injected liver dose was 55 ± 18 Gy from <sup>99m</sup>Tc-MAA simulation. <sup>90</sup>Y-PET/MR dosimetry yielded a mean tumor dose of 271 ± 125 Gy, a HIL mean dose of 54±18 Gy, and a liver parenchyma dose of 25 ± 12 Gy. An excellent agreement was demonstrated between tumor doses (R2=0.90) and liver doses (R2=0.87), while the agreement was less for HIL doses (R2=0.80). Wilcoxon signed-ranks test yielded no significant difference between the dose estimates for all liver compartments.</p><p><strong>Conclusion: </strong>It was deduced that <sup>99m</sup>Tc-MAA SPECT/CT simulation provides valuable dose prediction in <sup>90</sup>Y-glass microsphere therapy. Despite the difference in volume measurements and dose estimates with <sup>90</sup>Y-PET/MR, the predictive value of the <sup>99m</sup>Tc-MAA simulation was not affected.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"174-181"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143001700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mitigation of Radiation-induced Acute Hematopoietic System and Intestine Injury by Resveratrol-loaded Polymeric Nanoparticles after Whole Body Irradiation in Mice. 白藜芦醇负载聚合纳米颗粒减轻全身照射后小鼠急性造血系统和肠道损伤
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710335266250206060602
Mohammad Mohammadi, Amir Kiani, Faranak Aghaz, Elham Arkan, Khodabakhsh Rashidi, Masoud Najafi
{"title":"Mitigation of Radiation-induced Acute Hematopoietic System and Intestine Injury by Resveratrol-loaded Polymeric Nanoparticles after Whole Body Irradiation in Mice.","authors":"Mohammad Mohammadi, Amir Kiani, Faranak Aghaz, Elham Arkan, Khodabakhsh Rashidi, Masoud Najafi","doi":"10.2174/0118744710335266250206060602","DOIUrl":"10.2174/0118744710335266250206060602","url":null,"abstract":"<p><strong>Introduction: </strong>Radiation-induced damage to the hematopoietic and gastrointestinal systems, especially the intestine, is a major concern for individuals exposed to whole-body radiation during an accident. Resveratrol has shown potential in mitigating radiation-induced toxicity, but its efficacy may be limited by its low bioavailability. In this study, we aimed to evaluate the effectiveness of resveratrol-loaded polymeric-based nanocapsules in mitigating radiation-induced injury in the hematopoietic system and intestine after whole-body exposure to radiation.</p><p><strong>Methods: </strong>Sixty male mice were randomly divided into four groups: control, radiation (single dose of 7.2 Gy of X-ray) only, resveratrol-loaded polymeric-based nanocapsules (RES-ACN) only, and radiation plus RES-ACN. Mice were exposed to a single dose of 7.2 Gy of X-ray radiation. RES-ACN was administered to the mice starting 24 h after irradiation up to day 7 post-irradiation. Then, blood and tissue samples were collected for complete blood count and histopathological and biochemical evaluation. Survival analyses were also conducted.</p><p><strong>Results: </strong>The findings showed that RES-ACN significantly mitigated radiation-induced injury to the hematopoietic system and intestine. The histopathological evaluation showed the mitigation of villi shortening, inflammation, and mucous layer thickness following treatment with RES-ACN. Biochemical evaluation also demonstrated a significant increase in the activity of glutathione peroxidase and superoxide dismutase and a significant reduction in the concentrations of malondialdehyde and nitric oxide. Treatment with RES-ACN also showed a significant improvement in some of the blood parameters and increased survival compared to radiation only.</p><p><strong>Conclusion: </strong>The findings suggest that resveratrol-loaded polymeric-based nanocapsules can be an effective approach to mitigate radiation-induced damage to the hematopoietic system and intestine after whole-body exposure to X-ray radiation in mice. Further research is needed to explore the optimal dose and timing of resveratrol administration and to investigate the potential for clinical translation of this approach.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"182-200"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143406293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A New Approach to Synthesize Carbon-11-PBR28 and its Clinical Validation in ALS Patients. 合成碳-11- pbr28的新方法及其在ALS患者中的临床验证
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710341203250220042349
Pardeep Kumar, Aishwarya Kumar, Muddasu Keerthipriya, Chandrika H, Atchayaram Nalini, Seena Vengalil, Kirti Sitani, Chandana Nagaraj, Saikat Dey, Monojit Debnath, Vijayalakshmi K, Talakad N Sathyaprabha
{"title":"A New Approach to Synthesize Carbon-11-PBR28 and its Clinical Validation in ALS Patients.","authors":"Pardeep Kumar, Aishwarya Kumar, Muddasu Keerthipriya, Chandrika H, Atchayaram Nalini, Seena Vengalil, Kirti Sitani, Chandana Nagaraj, Saikat Dey, Monojit Debnath, Vijayalakshmi K, Talakad N Sathyaprabha","doi":"10.2174/0118744710341203250220042349","DOIUrl":"10.2174/0118744710341203250220042349","url":null,"abstract":"<p><strong>Introduction: </strong>Many studies have reported translocator protein (TSPO) overexpression in various neurological disorders. Carbon-11[<sup>11</sup>C]PBR28 is a widely used TSPO Positron Emission Tomography (PET) radiopharmaceutical. We compared HPLC-based purification with cartridge-based purification and performed PET-MR imaging in ALS patients.</p><p><strong>Methods: </strong>[<sup>11</sup>C]PBR28 was synthesized using both an HPLC-based and cartridge-based purification technique on the FX2C chemistry module. We injected 350 ± 20 MBq of the [<sup>11</sup>C]PBR28 intravenously into the patients diagnosed with amyotrophic lateral syndrome (ALS) limb onset (n =3) and bulbar (n =3). Simultaneous PET-MR dynamic imaging was then performed.</p><p><strong>Results: </strong>The radiochemical purity exceeded 95% with both methods. Using the HPLC-based method, the radiochemical yield was 11.8 ± 3.3%, molar activity was 253 ± 20.9 GBq/μmol, and the total synthesis time of 25 ± 2 minutes. In contrast, the cartridge-based method yielded a radiochemical yield of 53.0 ± 3.6%, a molar activity of 885 ± 17.7 GBq/μmol, and a total synthesis time of 12 ± 2 minutes. In imaging results, higher activity was observed in the precentral gyrus and cerebellum at 2.5 ± 0.5 minutes in bulbar-onset ALS cases, with a standardized uptake value (SUV) of 2.3 ± 0.3. In contrast, limb-onset ALS cases showed the highest uptake at 0.5 ± 0.2 minutes, with an SUV of 1.5 ± 0.2.</p><p><strong>Discussion: </strong>The difference in SUV in bulbar and limb onset may be due to pathological changes.</p><p><strong>Conclusion: </strong>The cartridge-based purification method provided higher radiochemical yield and molar activity as compared to the HPLC purification method.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"216-223"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143515002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prediction of Recurrence using a Stacked Denoising Autoencoder and Multifaceted Feature Analysis of Pretreatment MRI in Patients with Nasopharyngeal Carcinoma. 应用叠置去噪自编码器预测鼻咽癌患者复发及预处理MRI多面特征分析。
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710384129250327060846
Yibin Liu, Xianwen Wang, Jiongyi Li, Junxiao Gao, Bin He, Xianlong Wang, Lianfang Tian, Bin Li, Qianhui Qiu
{"title":"Prediction of Recurrence using a Stacked Denoising Autoencoder and Multifaceted Feature Analysis of Pretreatment MRI in Patients with Nasopharyngeal Carcinoma.","authors":"Yibin Liu, Xianwen Wang, Jiongyi Li, Junxiao Gao, Bin He, Xianlong Wang, Lianfang Tian, Bin Li, Qianhui Qiu","doi":"10.2174/0118744710384129250327060846","DOIUrl":"10.2174/0118744710384129250327060846","url":null,"abstract":"<p><strong>Introduction: </strong>Nasopharyngeal Carcinoma (NPC) exhibits high incidence in southern China. Despite improved survival with intensity-modulated radiotherapy (IMRT), 10%-20% of patients experience local recurrence. Traditional TNM staging fails to reflect tumor heterogeneity, necessitating robust recurrence prediction models. This study aimed to develop an MRIbased NPC recurrence prediction model by integrating radiomics, deep learning, and clinical features.</p><p><strong>Methods: </strong>A total of 184 pathologically confirmed NPC patients receiving radical radiotherapy were included. After propensity score matching (1:1), 136 cases were analyzed. Stacked denoising autoencoder (SDAE) extracted deep features from contrast-enhanced T1-weighted MRI. Radiomic features (morphology, texture, first-order statistics), clinical parameters (gender, age, TNM stage), and SDAE features were combined to construct 12 models using SVM, MLP, logistic regression (LR), and random forest (RF). Performance was evaluated via AUC, accuracy, sensitivity, and specificity, with external validation (91 cases).</p><p><strong>Results: </strong>Model 1 (radiomics + SDAE + clinical features + SVM) achieved the highest AUC (0.89, 95% CI: 0.84-0.93), accuracy (81.5%), sensitivity (67.3%), and specificity (97.9%). External validation showed AUC 0.83, sensitivity 88.9%, and specificity 78%. The DeLong test confirmed no significant AUC difference between internal and external cohorts (P >0.05).</p><p><strong>Discussion: </strong>The fusion of SDAE-enhanced features outperformed traditional radiomics. SVM demonstrated optimal performance in small samples, likely due to its high-dimensional feature handling and anti-overfitting capability. Limitations include single-center retrospective design and lack of functional imaging (DWI/PET) or molecular markers (EBV-DNA). Future multicenter prospective studies and multimodal data integration are warranted to enhance biological interpretability and clinical utility.</p><p><strong>Conclusion: </strong>This model provides a tool for early recurrence risk stratification and personalized therapy optimization, advancing precision medicine in NPC management.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"224-243"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143969177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent Advances in the Diagnosis of Alzheimer's Disease: A Brief Overview of Tau PET Tracers in Nuclear Medicine. 阿尔茨海默病诊断的最新进展:核医学中的 Tau PET 示踪剂简介。
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710314668240718070109
Farahnaz Aghahosseini, Yalda Salehi, Saeed Farzanefar, Mohsen Bakhshi Kashi, Elisabeth Eppard, Hojjat Ahmadzadehfar, Siroos Mirzaei, Nasim Vahidfar, Ayuob Aghanejad
{"title":"Recent Advances in the Diagnosis of Alzheimer's Disease: A Brief Overview of Tau PET Tracers in Nuclear Medicine.","authors":"Farahnaz Aghahosseini, Yalda Salehi, Saeed Farzanefar, Mohsen Bakhshi Kashi, Elisabeth Eppard, Hojjat Ahmadzadehfar, Siroos Mirzaei, Nasim Vahidfar, Ayuob Aghanejad","doi":"10.2174/0118744710314668240718070109","DOIUrl":"10.2174/0118744710314668240718070109","url":null,"abstract":"<p><p>Dementia (the most common cause of Alzheimer's disease) is defined as a chronic or progressive syndrome with disturbance of multiple cortical functions, the most important of them including memory, learning capacity, comprehension, orientation, calculation, language, and judgement. These cognitive impairments affect the quality of life, behavior, and social relations. Techniques of nuclear medicine provide feasible ways to record the intracellular alterations of disease and deficiencies. In these non-invasive manners, the hippocampal-neocortical disconnection may partly explain the hypo-metabolism incident found in Alzheimer's disease. Based on this fact, the study of all these mechanisms of action is conceivable and achievable by radiopharmaceuticals. This review is aimed at the presentation of radiopharmaceuticals that are developed for the detection of Alzheimer's disease in preclinical and clinical trials.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"23-36"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141747687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Harnessing Radionuclides: Unveiling the Promising Role of Radiopharmaceuticals in Cancer Theranostics and Palliative Care. 利用放射性核素:揭示放射性药物在癌症治疗和姑息治疗中的有希望的作用。
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710337420250102054532
Mihai Cozmin, Ionut Iulian Lungu, Radu Cernei, George Alexandru Marin, Letitia Doina Duceac, Gabriela Calin, Marius Gabriel Dabija, Cristian Gutu, Elena Roxana Bogdan Goroftei, Alina Stefanache, Tudor Ciuhodaru
{"title":"Harnessing Radionuclides: Unveiling the Promising Role of Radiopharmaceuticals in Cancer Theranostics and Palliative Care.","authors":"Mihai Cozmin, Ionut Iulian Lungu, Radu Cernei, George Alexandru Marin, Letitia Doina Duceac, Gabriela Calin, Marius Gabriel Dabija, Cristian Gutu, Elena Roxana Bogdan Goroftei, Alina Stefanache, Tudor Ciuhodaru","doi":"10.2174/0118744710337420250102054532","DOIUrl":"10.2174/0118744710337420250102054532","url":null,"abstract":"<p><strong>Introduction: </strong>In the context of modern oncology, radiogenic elements have emerged as pivotal tools for targeted cancer therapies. Elements like Iodine-131 and Yttrium-90 offer unique radiological properties that allow precise treatment delivery. This article explores their growing importance and potential in reshaping the landscape of cancer therapy.</p><p><strong>Methods: </strong>Utilizing a systematic literature search, relevant studies, clinical trials, and research articles were collected from databases. The selected material was scrutinized to extract insights into the mechanisms, applications, advantages, and challenges of radiogenic elements. These results are combined in the study to give a perceptive picture of how contemporary oncology treatment is developing.</p><p><strong>Results: </strong>The article reveals a comprehensive analysis of the outcomes derived from the study of radiogenic elements in contemporary cancer treatment. The results highlight the diverse applications of radionuclides like Iodine-131, Yttrium-90, and actinides in targeted therapies. It showcases their ability to selectively damage cancer cells while sparing healthy tissues, emphasizing precision and efficacy. The review underscores the increasing importance of personalized medicine, combination therapies, and the potential of emerging alpha-particle-based treatments. Furthermore, the results shed light on the challenges posed by radiation safety and potential side effects, prompting a need for vigilant management. This comprehensive examination of results provides a nuanced understanding of the pivotal role that radiogenic elements play in shaping the future of modern oncology therapy.</p><p><strong>Conclusion: </strong>The article examines the role of radiogenic elements in contemporary cancer treatment. It highlights the significance of elements like 131I, 90Y, and actinides in targeted therapies, discussing their mechanisms and applications. The article emphasizes personalized medicine, combination therapies, and emerging alpha-particle-based treatments. Challenges, including radiation safety and side effects, are also addressed. The review anticipates a promising future where radiogenic elements contribute to precise, effective, and patient-centered cancer care.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"159-173"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143022501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluating the Effectiveness of Geant4 Software in Measuring the Damage Caused by Ti48 Ion Radiation on Nerve Cells, in Comparison to the Biophysical Model and Empirical Data. 评价Geant4软件测量Ti48离子辐射对神经细胞损伤的有效性,比较生物物理模型和经验数据。
IF 1.5 4区 医学
Current radiopharmaceuticals Pub Date : 2025-01-01 DOI: 10.2174/0118744710367266250506050409
Habiballah Moradi, Eman Obeidavi, Akbar Aliasgharzadeh, Bagher Farhood, Mohammad Esmail Shahabodin
{"title":"Evaluating the Effectiveness of Geant4 Software in Measuring the Damage Caused by Ti48 Ion Radiation on Nerve Cells, in Comparison to the Biophysical Model and Empirical Data.","authors":"Habiballah Moradi, Eman Obeidavi, Akbar Aliasgharzadeh, Bagher Farhood, Mohammad Esmail Shahabodin","doi":"10.2174/0118744710367266250506050409","DOIUrl":"10.2174/0118744710367266250506050409","url":null,"abstract":"<p><strong>Introduction: </strong>Presently, heavy particle ion radiation therapy is commonly utilized for the treatment of deep-seated malignancies, such as brain tumors. In addition to tumor treatment, these particles may negatively impact healthy nerve cells. Therefore, it is essential to investigate the radiobiological effects of these radiations on cells. Simulation studies that model the radiation of heavy particles and the exact geometrical configuration of nerve cells are essential and effective in evaluating potential cellular damage.</p><p><strong>Methods: </strong>The NEURON software was employed in Geant4 code to simulate an individual nerve cell (ID no: NMO 06176) and a network of ten neural cells subjected to bombardment by Ti48 ion particles at an energy of 600 MeV/u.</p><p><strong>Results: </strong>The absorbed energy differs among several components of individual cells and neural networks, including the soma and dendrites. The absorbed doses from Ti48 radiation in individual nerve cells and dendritic networks surpass those in the cell body, and this ratio remains consistent as the dosage escalates. The decrease in the initial length of dendrites in both individual cells and neuronal networks intensifies with increased dosages. ; Discussion: The simulation results demonstrate that dendrites absorb a higher radiation dose than the soma, resulting in greater structural damage. This finding highlights the vulnerability of neuronal networks to high-LET radiation, with important implications for space radiation protection and clinical radiotherapy planning.</p><p><strong>Conclusion: </strong>The diminution of dendritic length due to Ti48 radiation is more significant within the cellular network compared to isolated nerve cells.</p>","PeriodicalId":10991,"journal":{"name":"Current radiopharmaceuticals","volume":" ","pages":"283-292"},"PeriodicalIF":1.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143994542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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