American Journal of Clinical Oncology-Cancer Clinical Trials最新文献

{"title":"Neuromodulation of Cardiovascular Risks Associated With Cardiotoxic Chemotherapy: A First-in-Human Randomized Pilot Study. Neuromodulation in Cancer Study (NCAN).","authors":"Michiaki Nagai, Hallum Ewbank, Sunny S Po, Tarun W Dasari","doi":"10.1097/COC.0000000000001111","DOIUrl":"10.1097/COC.0000000000001111","url":null,"abstract":"<p><strong>Objectives: </strong>Cardiotoxic chemotherapy is used to treat malignancies such as breast cancer and lymphoma. These treatments predispose patients to cardiotoxicity that can lead to cancer treatment-related cardiac dysfunction (CTRCD). The use of high doses of anthracyclines or in combination with human epidermal growth factor receptor 2 antagonists is associated with a progressively higher risk of CTRCD. CTRCD is preceded by increased activation of the sympathetic nervous system and abnormal left ventricular mechanical deformation as measured by abnormal global longitudinal strain (GLS). Low-level tragus stimulation (LLTS) is a new, safe, noninvasive technique that offers great potential to reduce increased sympathetic activation and improve GLS. Here, we describe a study method to examine the effects of LLTS on autonomic balance and cardiac function in breast cancer or lymphoma patients treated with anthracyclines.</p><p><strong>Methods: </strong>A first-in-human pilot, randomized, double-blind feasibility study will evaluate 104 patients (age >50 y) with breast cancer or lymphoma who receive anthracyclines with one additional CTRCD risk factor. Patients undergo 2 weeks of LLTS daily (1 h/d). Autonomic balance will be measured using heart rate variability metrics. Strain imaging using GLS will be performed pre and post-LLTS. Endothelial inflammation and oxidative stress measures will be performed using in vitro assays at baseline and after 2 weeks.</p><p><strong>Conclusion: </strong>We hypothesize that LLTS stabilizes sympathovagal imbalance and improves cardiac performance in anthracycline-treated patients with breast cancer or lymphoma.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":"425-430"},"PeriodicalIF":1.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141155079","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}

{"title":"Hypofractionated Radiation Therapy: A Cross-sectional Survey Study of US Radiation Oncologists.","authors":"Alex R Ritter, Rahul N Prasad, Sachin R Jhawar, Jose G Bazan, Yevgeniya Gokun, Sundari Vudatala, Dayssy A Diaz","doi":"10.1097/COC.0000000000001114","DOIUrl":"10.1097/COC.0000000000001114","url":null,"abstract":"<p><strong>Objectives: </strong>For many malignancies, hypofractionated radiotherapy (HFRT) is an accepted standard associated with decreased treatment time and costs. United States provider beliefs regarding HFRT likely impact its adoption but are poorly studied. We surveyed US-based radiation oncologists (ROs) to gauge HFRT utilization rates for prostate (PC), breast (BC), and rectal cancer (RC) and to characterize the beliefs governing these decisions.</p><p><strong>Methods: </strong>From July to October 2021, an anonymized, online survey was electronically distributed to ROs actively practicing in the United States. Demographic and practice characteristic information was collected. Questions assessing rates of offering HFRT for PC, BC, and RC and perceived limitations towards using HFRT were administered.</p><p><strong>Results: </strong>A total of 203 eligible respondents (72% male, 72% White, 53% nonacademic practice, 69% with 11+ years in practice) were identified. Approximately 50% offered stereotactic body radiation therapy (SBRT) for early/favorable intermediate risk PC. Although >90% of ROs offered whole-breast HFRT for early-stage BC, only 33% offered accelerated partial-breast irradiation (APBI). Overall, 41% of ROs offered short-course neoadjuvant RT for RC. The primary reported barriers to HFRT utilization were lack of data, inexperience, and referring provider concerns.</p><p><strong>Conclusions: </strong>HFRT is safe, effective, and beneficial, yet underutilized-particularly prostate SBRT, APBI, and short-course RT for RC. Skills retraining and education of ROs and referring providers may increase utilization rates.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":"434-438"},"PeriodicalIF":1.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141441072","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}

{"title":"Meta-Analysis of 5-Fraction Preoperative Radiotherapy for Soft Tissue Sarcoma.","authors":"Zachary S Mayo, Cong Fan, Xuefei Jia, Sean M Parker, Jenna Kocsis, Chirag S Shah, Jacob G Scott, Shauna R Campbell","doi":"10.1097/COC.0000000000001110","DOIUrl":"10.1097/COC.0000000000001110","url":null,"abstract":"<p><strong>Objectives: </strong>Studies investigating preoperative 5-fraction radiation therapy (RT) for soft tissue sarcoma (STS) are limited. We performed a meta-analysis to determine the efficacy and safety of this treatment paradigm.</p><p><strong>Methods: </strong>This study-level meta-analysis was conducted using Bayesian methods. Statistical estimation for risk of outcome rates was conducted by posterior mean and 95% highest posterior density (HPD) intervals. Studies with 2-year local control (LC) and description of major wound complications (MWC) per the CAN-NCIC-SR2 study were included and served as the primary endpoints. Secondary endpoints included rates of acute and late toxicity. A total of 10 studies were identified and 7 met the inclusion criteria. Subgroup analyses were performed for ≥30 Gy vs <30 Gy.</p><p><strong>Results: </strong>A total of 209 patients from 7 studies were included. Five studies used ≥30 Gy (n=144), and 2 studies <30 Gy (n=64). Median follow-up was 29 months (range: 21 to 57 mo). Primary tumor location was lower extremity in 68% and upper extremity in 22%. Most tumors were intermediate or high grade (95%, 160/169), and 50% (79/158) were >10 cm. The two-year LC for the entire cohort was 96.9%, and the rate of MWC was 30.6%. There was a trend toward improved LC with ≥ 30 Gy (95% HPD: 0.95 to 0.99 vs 0.84 to 0.99). There was no difference in MWC (95% HPD: 0.18 to 0.42 vs 0.17 to 0.55) or late toxicity between the groups.</p><p><strong>Conclusions: </strong>Preoperative 5-fraction RT for STS demonstrates excellent 2-year LC with MWC and toxicity similar to standard fractionation preoperative RT. Multi-institutional trials with a universal RT protocol are warranted.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":"412-418"},"PeriodicalIF":1.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141066292","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}

{"title":"Brachial Plexus Constraints in Two-Fraction Spine Stereotactic Body Radiation Therapy.","authors":"Shearwood McClelland","doi":"10.1097/COC.0000000000001103","DOIUrl":"https://doi.org/10.1097/COC.0000000000001103","url":null,"abstract":"","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":"47 9","pages":"458"},"PeriodicalIF":1.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142037644","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}

{"title":"Success of Ultra-low Dose Radiation Therapy for Primary Cutaneous B-cell Lymphoma.","authors":"Louisa Onyewadume, Shearwood McClelland","doi":"10.1097/COC.0000000000001113","DOIUrl":"10.1097/COC.0000000000001113","url":null,"abstract":"<p><strong>Objectives: </strong>Primary cutaneous B-cell lymphoma (PCBCL) is a relatively rare disease, associated with 5-year overall survival of nearly 95% when treated with external beam radiation therapy (EBRT) alone. However, standard EBRT doses yield acute skin toxicity in more than 70% of patients and grade 3 to 4 acute skin toxicity in nearly 10% of patients. Consequently, the PCBCL treatment paradigm is shifting towards lower EBRT doses. This study evaluates our early experience with ultra-low dose EBRT (total dose of 4 Gy in 2 fractions) for PCBCL.</p><p><strong>Methods: </strong>Four biopsy-confirmed PCBCL lesions (1 anterior thigh and 3 chest) in 2 male patients were treated with 2 Gy×2 fraction EBRT using electrons through a clinical setup. The anterior thigh lesion was treated using a clamshell to protect the scrotum from scatter dose. Treatment was achieved using 9 MeV electrons to the 85% isodose line using no bolus, with follow-up every 4 months and potential retreatment if no visible response at 8 to 9 months.</p><p><strong>Results: </strong>All lesions demonstrated a response to EBRT by 4 months, visibly manifesting as flattening with changes in pigmentation. At the last follow-up (20, 20, 16.5, and 4 mo, respectively), all lesions had flattened with no evidence of local recurrence and no skin toxicity.</p><p><strong>Conclusions: </strong>Treatment of PCBCL with ultra-low dose EBRT to 4 Gy total dose in 2 fractions provides durable local control with zero skin toxicity. These results are encouraging for both the success of treatment and the potential to use similarly low doses for retreatment should patients exhibit local recurrence.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":"431-433"},"PeriodicalIF":1.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140960499","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}

{"title":"Hypofractionated Radiotherapy-Related Lymphopenia Is Associated With Worse Survival in Unresectable Intrahepatic Cholangiocarcinoma.","authors":"Grace Lee, Daniel W Kim, Alicia C Smart, Nora K Horick, Christine E Eyler, Hannah J Roberts, Priyadarshini Pathak, Lipika Goyal, Joseph Franses, James M Heather, William L Hwang, Clemens Grassberger, Samuel J Klempner, Lorraine C Drapek, Jill N Allen, Lawrence S Blaszkowsky, Aparna R Parikh, David P Ryan, Jeffrey W Clark, Theodore S Hong, Jennifer Y Wo","doi":"10.1097/COC.0000000000001108","DOIUrl":"10.1097/COC.0000000000001108","url":null,"abstract":"<p><strong>Objective: </strong>The aim of this study was to evaluate the incidence of radiotherapy (RT)-related lymphopenia, its predictors, and association with survival in unresectable intrahepatic cholangiocarcinoma (ICC) treated with hypofractionated-RT (HF-RT).</p><p><strong>Methods: </strong>Retrospective analysis of 96 patients with unresectable ICC who underwent HF-RT (median 58.05 Gy in 15 fractions) between 2009 and 2022 was performed. Absolute lymphocyte count (ALC) nadir within 12 weeks of RT was analyzed. Primary variable of interest was severe lymphopenia, defined as Grade 3+ (ALC <0.5 k/μL) per CTCAE v5.0. Primary outcome of interest was overall survival (OS) from RT.</p><p><strong>Results: </strong>Median follow-up was 16 months. Fifty-two percent of patients had chemotherapy pre-RT, 23% during RT, and 40% post-RT. Pre-RT, median ALC was 1.1 k/μL and 5% had severe lymphopenia. Post-RT, 68% developed RT-related severe lymphopenia. Patients who developed severe lymphopenia had a significantly lower pre-RT ALC (median 1.1 vs. 1.5 k/μL, P =0.01) and larger target tumor volume (median 125 vs. 62 cm 3 , P =0.02). In our multivariable Cox model, severe lymphopenia was associated with a 1.7-fold increased risk of death ( P =0.04); 1-year OS rates were 63% vs 77% ( P =0.03). Receipt of photon versus proton-based RT (OR=3.50, P =0.02), higher mean liver dose (OR=1.19, P <0.01), and longer RT duration (OR=1.49, P =0.02) predicted severe lymphopenia.</p><p><strong>Conclusions: </strong>HF-RT-related lymphopenia is an independent prognostic factor for survival in patients with unresectable ICC. Patients with lower baseline ALC and larger tumor volume may be at increased risk, and use of proton therapy, minimizing mean liver dose, and avoiding treatment breaks may reduce RT-related lymphopenia.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":"373-382"},"PeriodicalIF":1.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141066305","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}

{"title":"Bevacizumab Combination Therapy Versus Standard Chemotherapy for Ovarian Cancer in Shorter and Longer Follow-Up Duration: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.","authors":"Obaid Ur Rehman, Eeshal Fatima, Hiba Imran, Umar Akram, Amna Badar Ahmad, Zain Ali Nadeem, Laveeza Fatima, Ahmad Hussain, Manar Alaa Mabrouk, Muhammad Zain Farooq","doi":"10.1097/COC.0000000000001100","DOIUrl":"10.1097/COC.0000000000001100","url":null,"abstract":"<p><strong>Objective: </strong>This systematic review and meta-analysis aims to evaluate the efficacy and safety of bevacizumab in patients with ovarian cancer over a shorter and longer follow-up period.</p><p><strong>Methods: </strong>We searched Medline, Cochrane CENTRAL, Scopus, and Google Scholar for all phase 3 randomized controlled trials (RCTs) that administered bevacizumab to women with ovarian cancer. Review Manager 5.4 was used to calculate risk ratios (RR) and hazard ratios (HR) with 95% CIs. We assessed the quality of the included studies using version 2 of the Cochrane Risk of Bias tool (RoB 2).</p><p><strong>Results: </strong>After screening the titles, abstracts, and full texts, we included nine RCTs in our systematic review and meta-analysis. Four RCTs had a low risk of bias, while 5 had some concerns. Bevacizumab was associated with a progression free survival benefit for <36 months (HR: 0.59, 95% CI: 0.45-0.76, P <0.0001, I2 =90%) and >36 months (HR: 0.66, 95% CI: 0.55-0.80, P <0.0001, I2 =80%), and an overall survival benefit for <36 months (HR: 0.87, 95% CI: 0.78-0.98, P =0.02, I2 =0%) but not for >36 months (HR: 0.98, 95% CI: 0.89-1.09, P =0.77, I2 =30%). There was no difference in deaths between intervention and control groups <36 months (RR: 0.95, 95% CI: 0.86-1.04, P =0.26, I2 =10%) or >36 months (RR: 1.02, 95% CI: 0.97-1.06, P =0.50, I2 =0%). Bevacizumab reduced disease progression <36 months (RR: 0.82, 95% CI: 0.72-0.92, P =0.0008, I2 =82%) but not at >36 months (RR: 0.83, 95% CI: 0.58-1.19, P =0.30, I2 =94%). The adverse events reported with Bevacizumab use included thrombocytopenia, neutropenia, leukocytopenia, anemia, hypertension, bleeding or hemorrhage, and gastrointestinal, cardiac, and dermatological adverse events.</p><p><strong>Conclusion: </strong>Bevacizumab may improve progression-free survival within and after 36 months, overall survival within 36 months, and reduce disease progression within 36 months.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":"399-408"},"PeriodicalIF":1.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141441070","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}

{"title":"Concurrent Use of Trastuzumab Deruxtecan and Radiation Therapy in HER2-positive and HER2-low Metastatic Breast Cancer: A Single-center Experience and Review of the Literature.","authors":"Jihane Bouziane, Pierre Loap, Kim Cao, Sofiane Allali, Yacine Gounane, Gokoulakrichenane Loganadane, Laurence Escalup, Jean-Yves Pierga, Youlia Kirova","doi":"10.1097/COC.0000000000001135","DOIUrl":"https://doi.org/10.1097/COC.0000000000001135","url":null,"abstract":"<p><strong>Objectives: </strong>Recent DESTINY-Breast trials have demonstrated trastuzumab deruxtecan's effectiveness in HER2-positive and HER2-low metastatic breast cancer. However, safety concerns remain regarding its combination with radiation therapy (RT). The purpose of this work is to assess the toxicity profile of combining trastuzumab deruxtecan and RT in patients with HER2-positive and HER2-low metastatic breast cancer to address these concerns.</p><p><strong>Methods: </strong>We conducted a retrospective study which included patients treated at Institut Curie Paris between November 2020 and January 2024. Patients with HER2-positive and HER2-low metastatic breast cancer who received concurrent trastuzumab deruxtecan and RT were identified. Data on patient demographics, treatment regimens, radiation doses, toxicity profiles, and treatment discontinuations were collected. Follow-up was conducted from the last day of radiotherapy until death or the last examination and toxicities were graded using the CTCAE V5.0.</p><p><strong>Results: </strong>The studied population includes all 33 patients with HER2-positive and HER2-low metastatic breast cancer who underwent concurrent treatment with trastuzumab deruxtecan and radiotherapy. The median follow-up was 11 months. The most common acute grade 1 toxicity was nausea. Grade 2 toxicities affected 21.2% of patients, including asthenia, mucositis, cardiac decompensation, and diarrhea. Trastuzumab deruxtecan discontinuation occurred in 5 patients due to systemic treatment-related toxicities, including nausea, thrombocytopenia, neutropenia, and cardiac decompensation. There were 21.2% reported with late toxicities, with nausea being the most prevalent.</p><p><strong>Conclusions: </strong>Our series of patients who received concurrent treatment of radiotherapy and trastuzumab deruxtecan are showing acceptable toxicity. Larger prospective studies are needed to evaluate the toxicity and efficacy of this combination.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141621724","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}

{"title":"Effect of Subgroups on Study Outcomes in Unresectable Hepatocellular Carcinoma Undergoing Upfront Systemic Treatment: A Meta-analysis.","authors":"Giuseppe Antonio Colloca, Antonella Venturino","doi":"10.1097/COC.0000000000001133","DOIUrl":"10.1097/COC.0000000000001133","url":null,"abstract":"<p><strong>Objectives: </strong>Immunotherapy improved the outcome of patients with unresectable hepatocellular carcinoma, but not all studies are in agreement, nor is it clear whether certain subgroups have really benefited. This study aims to perform an updated meta-analysis of trials comparing upfront immunotherapy-based regimens versus tyrosin-kinase inhibitors, and some exploratory analyses.</p><p><strong>Methods: </strong>After a systematic review, randomized trials of immunotherapy-based regimens versus tyrosin-kinase inhibitors were selected. A meta-analysis assessed the relationship between treatment arm and overall survival. Based on the resulting heterogeneity, a further investigation of 11 variables by meta-regression and an exploration of subgroups were planned.</p><p><strong>Results: </strong>Eight studies were selected. From the meta-analysis, the overall survival improvement for the immunotherapy-based arms was consistent (HR: 0.77, CI: 0.68-0.88), although heterogeneity between studies was significant ( Q =16.37; P =0.0373; I2 =51.1%). After meta-regression, the effect of the experimental arm was more pronounced in the elderly and lost among patients with HCV-related liver disease. Subgroups suggested a favorable effect of immunotherapy in patients with HBV-related hepatocellular carcinoma, extrahepatic dissemination, and elevated alpha-fetoprotein.</p><p><strong>Conclusion: </strong>The study results confirm the significant overall survival improvement after immunotherapy-based regimens but suggest different effects on the outcome depending on age, etiology of liver disease, and tumor burden.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141560286","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}

{"title":"Salbutamol, a Short Acting Beta-2 Agonist, Reduces Risk and Improves Prognosis of Prostate Cancer.","authors":"Steven Lehrer, Peter H Rheinstein","doi":"10.1097/COC.0000000000001134","DOIUrl":"https://doi.org/10.1097/COC.0000000000001134","url":null,"abstract":"<p><strong>Objectives: </strong>Beta-blockers, a class of drugs commonly used to manage blood pressure, have been the subject of research regarding their relationship to prostate cancer (PC) risk, prognosis, and treatment. Beta-blockers reduce risk and improve the prognosis of PC. Perioperative use of a nonselective beta-blocker improves outcomes after radical prostatectomy. However, a related class of drugs, beta-2 adrenergic agonists, has received little attention in PC.</p><p><strong>Methods: </strong>We studied the relationship of the beta-2 adrenergic agonist salbutamol to PC risk and survival. We analyzed Food and Drug Administration MedWatch data to determine whether salbutamol could influence the risk of PC. We used UK Biobank data to assess the effect of salbutamol on PC survival.</p><p><strong>Results: </strong>Salbutamol significantly reduces PC risk, proportional reporting ratio, and 95% CI (lower bound; upper bound): 0.131 (0.11; 0.155) and improves prognosis. Mean survival was 7.35 years for subjects not taking salbutamol, and 10.5 years for subjects taking salbutamol (P = 0.041, log-rank test. To adjust for the effect of age, we performed proportional hazards regression, survival time-dependent variable, age, and salbutamol use independent variables. Salbutamol use was significantly related to survival time (P = 0.016) and independent of the significant effect of age (P < 0.001).</p><p><strong>Conclusions: </strong>We found a lower proportion of PCs in salbutamol-treated people, but we have not demonstrated that PC risk is reduced (there is no proof of causality). There is no causality relationship between salbutamol and the survival of patients with PC treated with salbutamol versus those not treated with the drug. Yet, there is a trend in favor of salbutamol-treated patient survival. Therefore, salbutamol and other beta-adrenergic agonists might represent a new class of drugs for the treatment of PC.</p>","PeriodicalId":50812,"journal":{"name":"American Journal of Clinical Oncology-Cancer Clinical Trials","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141555852","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}