8 research outputs found
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Discerning Patterns and Quality of Neoadjuvant Chemotherapy Use Among Patients with Muscle-invasive Bladder Cancer
BackgroundNeoadjuvant chemotherapy is underutilized in bladder cancer patients who undergo radical cystectomy. However, the quality of regimens used in this setting remains largely unknown.ObjectiveTo determine utilization treatment patterns and survival outcomes according to regimens administered.Design, setting, and patientsWe used the Surveillance, Epidemiology and End Results (SEER)-Medicare linked database to identify patients diagnosed with clinical stage TII-IV bladder cancer from January 1, 2001 to December 31, 2011.Outcome measurements and statistical analysisTemporal trends were assessed using the Cochran-Armitage test. Multivariable logistic regression models were used to identify predictors for neoadjuvant chemotherapy use. Cox proportional hazards models were used to compare overall survival according to regimens administered.Results and limitationsOf 2738 patients treated with radical cystectomy, 344 (12.6%) received neoadjuvant chemotherapy. The agents most commonly used were gemcitabine (72.3%), cisplatin (55.2%), and carboplatin (31.1%). The regimens most commonly used were gemcitabine-cisplatin (45.3%), gemcitabine-carboplatin (24.1%), and methotrexate, vinblastine, doxorubicin, and cisplatin (M-VAC; 6.7%). Use of neoadjuvant chemotherapy more than tripled during the study period, from 5.7% in 2001 to 17.3% in 2011 (p<0.001). The quality of the regimen administered impacted survival outcomes, as M-VAC use was significantly associated with better overall survival among patients diagnosed with stage II bladder cancer (hazard ratio 0.24, 95% confidence interval 0.07-0.86; p=0.030]. Limitations include the limited ability of retrospective analysis to control for selection bias.ConclusionsNeoadjuvant chemotherapy was underused, and the quality of neoadjuvant chemotherapy regimens administered for bladder cancer was inconsistent with guideline recommendations. These findings are important when interpreting population-based data on the use of chemotherapy and extrapolating survival outcomes.Patient summaryIn a large population-based study, 12.6% of patients undergoing radical cystectomy for bladder cancer received neoadjuvant chemotherapy, half of whom received guideline-recommended regimens. The quality of the regimen impacted survival outcomes, as use of cisplatin-based chemotherapy was significantly associated with better overall survival among patients diagnosed with stage II bladder cancer. However, <1% of radical cystectomy patients received this regimen
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Population-based assessment of racial/ethnic differences in utilization of radical cystectomy for patients diagnosed with bladder cancer
PurposeRadical cystectomy is a surgical treatment for recurrent non-muscle-invasive and muscle-invasive bladder cancer; however, many patients may not receive this treatment.MethodsA total of 27,578 patients diagnosed with clinical stage I-IV bladder cancer from 1 January 2007 to 31 December 2013 were identified from the Surveillance, Epidemiology, and End Results (SEER) registry database. We used multivariable regression analyses to identify factors predicting the use of radical cystectomy and pelvic lymph node dissection. Cox proportional hazards models were used to analyze survival outcomes.ResultsA total of 1,693 (6.1%) patients with bladder cancer underwent radical cystectomy. Most patients (92.4%) who underwent radical cystectomy also underwent pelvic lymph node dissection. When compared with white patients, non-Hispanic blacks were less likely to undergo a radical cystectomy [odds ratio (OR) 0.79, 95% confidence interval (CI) 0.64-0.96, p = 0.019]. Moreover, recent year of surgery 2013 versus 2007 (OR 2.32, 95% CI 1.90-2.83, p < 0.001), greater percentage of college education ≥36.3 versus <21.3% (OR 1.23, 95% CI 1.04-1.44, p = 0.013), Midwest versus West (OR 1.64, 95% CI 1.39-1.94, p < 0.001), and more advanced clinical stage III versus I (OR 29.1, 95% CI 23.9-35.3, p < 0.001) were associated with increased use of radical cystectomy. Overall survival was improved for patients who underwent radical cystectomy compared with those who did not undergo a radical cystectomy (hazard ratio 0.88, 95% CI 0.80-0.97, p = 0.008).ConclusionThere is significant underutilization of radical cystectomy in patients across all age groups diagnosed with bladder cancer, especially among older, non-Hispanic black patients
sj-docx-1-jpx-10.1177_23743735231202733 - Supplemental material for Experience of Autologous Stem Cell Transplant in Multiple Myeloma: The Patient and Caregiver Perspective
Supplemental material, sj-docx-1-jpx-10.1177_23743735231202733 for Experience of Autologous Stem Cell Transplant in Multiple Myeloma:
The Patient and Caregiver Perspective by Doris K Hansen, Todd Bixby, Karen Fixler, Lisa Shea, Christine Brittle, Kimberly Brunisholz, Yi-Hsuan Liu and Jinhai Stephen Huo in Journal of Patient Experience</p
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Increased Utilization of Positron Emission Tomography/Computed Tomography (PET/CT) Imaging and Its Economic Impact for Patients Diagnosed With Bladder Cancer
The purpose of this study was to examine temporal nationwide utilization patterns and predictors for use of positron emission tomography/computed tomography (PET/CT) in comparison with magnetic resonance imaging (MRI) and computed tomography (CT) among patients diagnosed with bladder cancer. A total of 36,855 patients aged 66 years or older diagnosed with clinical stage TI-IV, N0M0 bladder cancer from 2004 to 2011 were analyzed. We used multivariable logistic regression analyses to discern factors associated with receipt of imaging within 12 months from diagnosis. The Cochran-Armitage test for trend was used to determine changes in the proportion of patients receiving imaging after cancer diagnosis. Independent of clinical stage, there was marked increase in use of PET/CT throughout the study period (2011 vs. 2004: odds ratio, 17.55; 95% confidence interval, 10.14-30.38; P < .001). Although use of CT imaging remained stable during the study period, there was significantly decreased utilization of MRI (odds ratio, 0.60; 95% confidence interval, 0.49-0.75; P < .001) in 2011 versus 2004. The mean incremental cost of PET/CT versus CT and MRI was 612 (in 2016 dollars), respectively. Extrapolating these findings to the patients with bladder cancer in the United States results in excess spending of 11.6 million for this imaging modality alone. Further value-based research discerning the clinical versus economic benefits of advanced imaging among patients with bladder cancer are needed
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Discerning the survival advantage among patients with prostate cancer who undergo radical prostatectomy or radiotherapy: The limitations of cancer registry data
BackgroundThe objective of this study was to compare the overall survival of patients who undergo radical prostatectomy or radiotherapy versus noncancer controls to discern whether there is a survival advantage according to prostate cancer treatment and the impact of selection bias on these results.MethodsA matched cohort study was performed using the Surveillance, Epidemiology, and End Results (SEER)-Medicare-linked database. In total, 34,473 patients ages 66 to 75 years were identified who were without significant comorbidity, were diagnosed with localized prostate cancer, and received treatment treated with surgery or radiotherapy between 2004 and 2011. These patients were matched to a noncancer control cohort. The rates of all-cause mortality that occurred within the study period were compared. Cox proportional hazards regression analysis was used to identify determinants associated with overall survival.ResultsOf 34,473 patients who were included in the analysis, 21,740 (63%) received radiation therapy, and 12,733 (37%) underwent surgery. There was improved survival in patients who underwent surgery (hazard ratio, 0.35; 95% confidence interval, 0.32-0.38) and in those who received radiotherapy (hazard ratio, 0.72; 95% confidence interval, 0.68-0.75) compared with noncancer controls. Overall survival improved significantly in both treatment groups, with the greatest benefit observed among patients who underwent surgery (log rank P < .001).ConclusionsPopulation-based data indicated that patients with prostate cancer who received treatment with either surgery or radiotherapy had improved overall survival compared with a cohort of matched noncancer controls. Surgery produce longer survival compared with radiation therapy. These results suggest an inherent selection-bias because of unmeasured confounding variables. Cancer 2017;123:1617-1624. © 2017 American Cancer Society
Experience of Autologous Stem Cell Transplant in Multiple Myeloma: The Patient and Caregiver Perspective
A qualitative study of the experiences of patients who received autologous stem cell transplant (ASCT) for the treatment of multiple myeloma (MM) was conducted to better understand their MM disease journey, including first symptoms, diagnosis, ASCT, and recovery. Sixteen participants, including 12 patients with MM and 4 caregivers of patients with MM, were interviewed in focus group meetings. Pain, weakness, and bone pain were common first symptoms among patients. The MM diagnosis was often made by a hematologist or oncologist. Patients were referred to a specialized oncologist after diagnosis, who was the primary driver in making ASCT treatment decisions. Eight patients received their ASCT in the inpatient setting, with some having lengthy hospital stays; 4 received their ASCT in an outpatient setting with 3 eventually being hospitalized. The focus groups identified that patients and caregivers perceived various unmet needs and impacts on quality of life throughout their transplant journey. Educational resources and innovative therapies are needed to reduce the disease burden of MM and enhance the quality of life for both patients and their caregivers