Jama Oncology最新文献

{"title":"Valid Analysis of Brain-Specific Progression-Free Survival-Reply.","authors":"Tom Wei-Wu Chen, Ming-Shen Dai, Yen-Shen Lu","doi":"10.1001/jamaoncol.2024.1699","DOIUrl":"10.1001/jamaoncol.2024.1699","url":null,"abstract":"","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141312021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Survival in Patients With Recurrent Intermediate-Stage Hepatocellular Carcinoma: Sorafenib Plus TACE vs TACE Alone Randomized Clinical Trial.","authors":"Wenzhe Fan, Bowen Zhu, Shuling Chen, Yanqin Wu, Xiao Zhao, Liangliang Qiao, Zhen Huang, Rong Tang, Jinghua Chen, Wan Yee Lau, Minshan Chen, Jiaping Li, Ming Kuang, Zhenwei Peng","doi":"10.1001/jamaoncol.2024.1831","DOIUrl":"10.1001/jamaoncol.2024.1831","url":null,"abstract":"<p><strong>Importance: </strong>Transarterial chemoembolization (TACE) is commonly used to treat patients with recurrent intermediate-stage hepatocellular carcinoma (HCC) and positive microvascular invasion (MVI); however, TACE alone has demonstrated unsatisfactory survival benefits. A previous retrospective study suggested that TACE plus sorafenib (SOR-TACE) may be a better therapeutic option compared with TACE alone.</p><p><strong>Objective: </strong>To investigate the clinical outcomes of SOR-TACE vs TACE alone for patients with recurrent intermediate-stage HCC after R0 hepatectomy with positive MVI.</p><p><strong>Design, setting, and participants: </strong>In this phase 3, open-label, multicenter randomized clinical trial, patients with recurrent intermediate-stage HCC and positive MVI were randomly assigned in a 1:1 ratio via a computerized minimization technique to either SOR-TACE treatment or TACE alone. This trial was conducted at 5 hospitals in China, and enrolled patients from October 2019 to December 2021, with a follow-up period of 24 months. Data were analyzed from June 2023 to September 2023.</p><p><strong>Interventions: </strong>Randomization to on-demand TACE (conventional TACE: doxorubicin, 50 mg, mixed with lipiodol and gelatin sponge particles [diameter: 150-350 μm]; drug-eluting bead TACE: doxorubicin, 75 mg, mixed with drug-eluting particles [diameter: 100-300 μm or 300-500 μm]) (TACE group) or sorafenib, 400 mg, twice daily plus on-demand TACE (SOR-TACE group) (conventional TACE: doxorubicin, 50 mg, mixed with lipiodol and gelatin sponge particles [diameter, 150-350 μm]; drug-eluting bead TACE: doxorubicin, 75 mg, mixed with drug-eluting particles [diameter: 100-300 μm or 300-500 μm]).</p><p><strong>Main outcomes and measures: </strong>The primary end point was overall survival by intention-to-treat analysis. Safety was assessed in patients who received at least 1 dose of study treatment.</p><p><strong>Results: </strong>A total of 162 patients (median [range] age, 55 [28-75] years; 151 males [93.2%]), were randomly assigned to be treated with either SOR-TACE (n = 81) or TACE alone (n = 81). The median overall survival was significantly longer in the SOR-TACE group than in the TACE group (22.2 months vs 15.1 months; hazard ratio [HR], 0.55; P < .001). SOR-TACE also prolonged progression-free survival (16.2 months vs 11.8 months; HR, 0.54; P < .001), and improved the objective response rate when compared with TACE alone based on the modified Response Evaluation Criteria in Solid Tumors criteria (80.2% vs 58.0%; P = .002). Any grade adverse events were more common in the SOR-TACE group, but all adverse events responded well to treatment. No unexpected adverse events or treatment-related deaths occurred in this study.</p><p><strong>Conclusions and relevance: </strong>The results of this randomized clinical trial demonstrated that SOR-TACE achieved better clinical outcomes than TACE alone. These findings suggest that combined tre","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11190833/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141428005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Endometrial Thickness as Diagnostic Triage for Endometrial Cancer Among Black Individuals.","authors":"Kemi M Doll, Mindy Pike, Julianna Alson, Patrice Williams, Erin Carey, Til Stürmer, Mollie Wood, Erica E Marsh, Ronit Katz, Whitney R Robinson","doi":"10.1001/jamaoncol.2024.1891","DOIUrl":"10.1001/jamaoncol.2024.1891","url":null,"abstract":"<p><strong>Importance: </strong>Poor performance of the transvaginal ultrasonography triage strategy has been suggested as a contributor to racial disparity between Black individuals and White individuals in endometrial cancer (EC) stage at diagnosis in population-level simulation analyses.</p><p><strong>Objectives: </strong>To examine the false-negative probability using ultrasonography-measured endometrial thickness (ET) thresholds as triage for EC diagnosis among Black individuals and assess whether known risk factors of EC modify ET triage performance.</p><p><strong>Design, setting, and participants: </strong>This retrospective diagnostic study of merged abstracted electronic health record data and secondary administrative data (January 1, 2014, to December 31, 2020) from the Guidelines for Transvaginal Ultrasound in the Detection of Early Endometrial Cancer sample assessed Black individuals who underwent hysterectomy in a 10-hospital academic-affiliated health care system and affiliated outpatient practices. Data analysis was performed from January 31, 2023, to November 30, 2023.</p><p><strong>Exposure: </strong>Pelvic ultrasonography within 24 months before hysterectomy.</p><p><strong>Main outcome and measures: </strong>Ultrasonography performed before hysterectomy as well as demographic and clinical data on symptom presentation, endometrial characterization, and final EC diagnosis were abstracted. Endometrial thickness thresholds were examined for accuracy in ruling out EC diagnosis by using sensitivity, specificity, and negative predictive value. False-negative probability was defined as 1 - sensitivity. Accuracy measures were stratified by risk factors for EC and by factors hypothesized to influence ET measurement quality.</p><p><strong>Results: </strong>A total of 1494 individuals with a uterus (median [IQR] age, 46.1 [41.1-54.0] years) comprised the sample, and 210 had EC. Fibroids (1167 [78.1%]), vaginal bleeding (1067 [71.4%]), and pelvic pain (857 [57.4%]) were the most common presenting diagnoses within 30 days of ultrasonography. Applying the less than 5-mm ET threshold, there was an 11.4% probability that someone with EC would be classified as not having EC (n = 24). At the 4-mm (cumulative) threshold, the probability was 9.5%, and at 3 mm, it was 3.8%. False-negative probability at the 5-mm threshold was similar among EC risk factor groups: postmenopausal bleeding (12.4%; 95% CI, 7.8%-18.5%), body mass index greater than 40 (9.3%; 95% CI, 3.1%-20.3%); and age 50 years or older (12.8%; 95% CI, 8.4%-18.5%). False-negative probability was also similar among those with fibroids on ultrasonography (11.8%; 95% CI, 6.9%-18.4%) but higher in the setting of reported partial ET visibility (26.1%; 95% CI, 10.2%-48.4%) and pelvic pain (14.5%; 95% CI, 7.7%-23.9%).</p><p><strong>Conclusion and relevance: </strong>These findings suggest that the transvaginal ultrasonography triage strategy is not reliable among Black adults at risk for EC. In ","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11211989/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141460144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-Term Prospective Outcomes of Intensity Modulated Radiotherapy for Locally Advanced Lung Cancer: A Secondary Analysis of a Randomized Clinical Trial.","authors":"Stephen G Chun, Chen Hu, Ritsuko U Komaki, Robert D Timmerman, Steven E Schild, Jeffrey A Bogart, Michael C Dobelbower, Walter Bosch, Vivek S Kavadi, Samir Narayan, Puneeth Iyengar, Clifford Robinson, Jan Rothman, Adam Raben, Mark E Augspurger, Robert M MacRae, Rebecca Paulus, Jeffrey D Bradley","doi":"10.1001/jamaoncol.2024.1841","DOIUrl":"10.1001/jamaoncol.2024.1841","url":null,"abstract":"<p><strong>Importance: </strong>The optimal radiotherapy technique for unresectable locally advanced non-small cell lung cancer (NSCLC) is controversial, so evaluating long-term prospective outcomes of intensity-modulated radiotherapy (IMRT) is important.</p><p><strong>Objective: </strong>To compare long-term prospective outcomes of patients receiving IMRT and 3-dimensional conformal radiotherapy (3D-CRT) with concurrent carboplatin/paclitaxel for locally advanced NSCLC.</p><p><strong>Design, setting, and participants: </strong>A secondary analysis of a prospective phase 3 randomized clinical trial NRG Oncology-RTOG 0617 assessed 483 patients receiving chemoradiotherapy (3D-CRT vs IMRT) for locally advanced NSCLC based on stratification.</p><p><strong>Main outcomes and measures: </strong>Long-term outcomes were analyzed, including overall survival (OS), progression-free survival (PFS), time to local failure, development of second cancers, and severe grade 3 or higher adverse events (AEs) per Common Terminology Criteria for Adverse Events, version 3. The percentage of an organ volume (V) receiving a specified amount of radiation in units of Gy is reported as V(radiation dose).</p><p><strong>Results: </strong>Of 483 patients (median [IQR] age, 64 [57-70] years; 194 [40.2%] female), 228 (47.2%) received IMRT, and 255 (52.8%) received 3D-CRT (median [IQR] follow-up, 5.2 [4.8-6.0] years). IMRT was associated with a 2-fold reduction in grade 3 or higher pneumonitis AEs compared with 3D-CRT (8 [3.5%] vs 21 [8.2%]; P = .03). On univariate analysis, heart V20, V40, and V60 were associated with worse OS (hazard ratios, 1.06 [95% CI, 1.04-1.09]; 1.09 [95% CI, 1.05-1.13]; 1.16 [95% CI, 1.09-1.24], respectively; all P < .001). IMRT significantly reduced heart V40 compared to 3D-CRT (16.5% vs 20.5%; P < .001). Heart V40 (<20%) had better OS than V40 (≥20%) (median [IQR], 2.5 [2.1-3.1] years vs 1.7 [1.5-2.0] years; P < .001). On multivariable analysis, heart V40 (≥20%), was associated with worse OS (hazard ratio, 1.34 [95% CI, 1.06-1.70]; P = .01), whereas lung V5 and age had no association with OS. Patients receiving IMRT and 3D-CRT had similar rates of developing secondary cancers (15 [6.6%] vs 14 [5.5%]) with long-term follow-up.</p><p><strong>Conclusions and relevance: </strong>These findings support the standard use of IMRT for locally advanced NSCLC. IMRT should aim to minimize lung V20 and heart V20 to V60, rather than constraining low-dose radiation bath. Lung V5 and age were not associated with survival and should not be considered a contraindication for chemoradiotherapy.</p><p><strong>Trial registration: </strong>ClinicalTrials.gov Identifier: NCT00533949.</p>","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11211986/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141460145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Home Time Among Older Adults With Acute Myeloid Leukemia Following Chemotherapy.","authors":"Daniel R Richardson, Xi Zhou, Katherine Reeder-Hayes, Christopher E Jensen, Jessica Islam, Kah Poh Loh, Arjun Gupta, Ethan Basch, Antonia V Bennett, John F P Bridges, Stephanie B Wheeler, William A Wood, Christopher D Baggett, Jennifer L Lund","doi":"10.1001/jamaoncol.2024.1823","DOIUrl":"10.1001/jamaoncol.2024.1823","url":null,"abstract":"<p><strong>Importance: </strong>Patients with acute myeloid leukemia (AML) recognize days spent at home (home time) vs in a hospital or nursing facility as an important factor in treatment decision making. No study has adequately described home time among older adults with AML.</p><p><strong>Objective: </strong>To describe home time among older adults with AML (aged ≥66 years) and compare home time between 2 common treatments: anthracycline-based chemotherapy and hypomethylating agents (HMAs).</p><p><strong>Design, setting, and participants: </strong>A cohort of adults aged 66 years or older with a new diagnosis of AML from the Surveillance, Epidemiology, and End Results (SEER)-Medicare linked database in 2004 to 2016 was identified. Individuals were stratified into anthracycline-based therapy, HMAs, or chemotherapy, not otherwise specified (NOS) using claims.</p><p><strong>Main outcomes and measures: </strong>The primary outcome was home time, quantified by subtracting the total number of person-days spent in hospitals and nursing facilities from the number of person-days survived and dividing by total person-days. A weighted multinomial regression model with stabilized inverse probability of treatment weighting to estimate adjusted home time was used.</p><p><strong>Results: </strong>The cohort included 7946 patients with AML: 2824 (35.5%) received anthracyclines, 2542 (32.0%) HMAs, and 2580 (32.5%) were classified as chemotherapy, NOS. Median (IQR) survival was 11.0 (5.0-27.0) months for those receiving anthracyclines and 8.0 (3.0-17.0) months for those receiving HMAs. Adjusted home time for all patients in the first year was 52.4%. Home time was highest among patients receiving HMAs (60.8%) followed by those receiving anthracyclines (51.9%). Despite having a shorter median survival, patients receiving HMAs had more total days at home and 33 more days at home in the first year on average than patients receiving anthracyclines (222 vs 189).</p><p><strong>Conclusions and relevance: </strong>This retrospective study of older adults with AML using SEER-Medicare data and propensity score weighting suggests that the additional survival afforded by receiving anthracycline-based therapy was entirely offset by admission to the hospital or to nursing facilities.</p>","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11177219/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141312016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Errors in Table.","authors":"","doi":"10.1001/jamaoncol.2024.3130","DOIUrl":"10.1001/jamaoncol.2024.3130","url":null,"abstract":"","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11240223/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141581258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Error in the Abstract.","authors":"","doi":"10.1001/jamaoncol.2024.3526","DOIUrl":"10.1001/jamaoncol.2024.3526","url":null,"abstract":"","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11327880/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141983652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Immunotherapy For US Patients With Metastatic Cancer at the End of Life-Reply.","authors":"Dan Kerekes, Sajid Khan","doi":"10.1001/jamaoncol.2024.1566","DOIUrl":"10.1001/jamaoncol.2024.1566","url":null,"abstract":"","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141261192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pancreatic Cancer Surveillance and Survival of High-Risk Individuals.","authors":"Amanda L Blackford, Marcia Irene Canto, Mohamad Dbouk, Ralph H Hruban, Bryson W Katona, Amitabh Chak, Randall E Brand, Sapna Syngal, James Farrell, Fay Kastrinos, Elena M Stoffel, Anil Rustgi, Alison P Klein, Ihab Kamel, Elliot Fishman, Jin He, Richard Burkhart, Eun Ji Shin, Anne Marie Lennon, Michael Goggins","doi":"10.1001/jamaoncol.2024.1930","DOIUrl":"10.1001/jamaoncol.2024.1930","url":null,"abstract":"<p><strong>Importance: </strong>Pancreatic ductal adenocarcinoma (PDAC) is a deadly disease with increasing incidence. The majority of PDACs are incurable at presentation, but population-based screening is not recommended. Surveillance of high-risk individuals for PDAC may lead to early detection, but the survival benefit is unproven.</p><p><strong>Objective: </strong>To compare the survival of patients with surveillance-detected PDAC with US national data.</p><p><strong>Design, setting, and participants: </strong>This comparative cohort study was conducted in multiple US academic medical centers participating in the Cancer of the Pancreas Screening program, which screens high-risk individuals with a familial or genetic predisposition for PDAC. The comparison cohort comprised patients with PDAC matched for age, sex, and year of diagnosis from the Surveillance, Epidemiology, and End Results (SEER) program. The Cancer of the Pancreas Screening program originated in 1998, and data collection was done through 2021. The data analysis was performed from April 29, 2022, through April 10, 2023.</p><p><strong>Exposures: </strong>Endoscopic ultrasonography or magnetic resonance imaging performed annually and standard-of-care surgical and/or oncologic treatment.</p><p><strong>Main outcomes and measures: </strong>Stage of PDAC at diagnosis, overall survival (OS), and PDAC mortality were compared using descriptive statistics and conditional logistic regression, Cox proportional hazards regression, and competing risk regression models. Sensitivity analyses and adjustment for lead-time bias were also conducted.</p><p><strong>Results: </strong>A total of 26 high-risk individuals (mean [SD] age at diagnosis, 65.8 [9.5] years; 15 female [57.7%]) with PDAC were compared with 1504 SEER control patients with PDAC (mean [SD] age at diagnosis, 66.8 [7.9] years; 771 female [51.3%]). The median primary tumor diameter of the 26 high-risk individuals was smaller than in the control patients (2.5 [range, 0.6-5.0] vs 3.6 [range, 0.2-8.0] cm, respectively; P < .001). The high-risk individuals were more likely to be diagnosed with a lower stage (stage I, 10 [38.5%]; stage II, 8 [30.8%]) than matched control patients (stage I, 155 [10.3%]; stage II, 377 [25.1%]; P < .001). The PDAC mortality rate at 5 years was lower for high-risk individuals than control patients (43% vs 86%; hazard ratio, 3.58; 95% CI, 2.01-6.39; P < .001), and high-risk individuals lived longer than matched control patients (median OS, 61.7 [range, 1.9-147.3] vs 8.0 [range, 1.0-131.0] months; 5-year OS rate, 50% [95% CI, 32%-80%] vs 9% [95% CI, 7%-11%]).</p><p><strong>Conclusions and relevance: </strong>These findings suggest that surveillance of high-risk individuals may lead to detection of smaller, lower-stage PDACs and improved survival.</p>","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11223057/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141493948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MRI-Linac-Based Radiotherapy-Promising or Hype?","authors":"Mack Roach, Stella Ling, Pamela W Coleman","doi":"10.1001/jamaoncol.2024.2488","DOIUrl":"https://doi.org/10.1001/jamaoncol.2024.2488","url":null,"abstract":"","PeriodicalId":48661,"journal":{"name":"Jama Oncology","volume":null,"pages":null},"PeriodicalIF":28.4,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}