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The impact of radiotherapy costs on clinical outcomes in breast cancer.

ABSTRACT: In cost-effective healthcare systems, the cost of services should parallel patient complexity or quality of care. The purpose of this study was to determine whether the cost of radiotherapy correlates with patient-related outcomes among a large cohort of breast cancer patients treated with adjuvant breast radiation.23,127 women with non-metastatic breast cancer undergoing radiotherapy after breast conservation surgery were identified from the Surveillance, Epidemiology, and End Results database from 2000 to 2009. Medicare reimbursements were used as a proxy for cost of radiotherapy, and Medicare claims were examined to identify local toxicities, and breast cancer-related endpoints. The impact of cost on these outcomes was studied with multivariable Fine-Gray models to account for competing risks.The median cost (and interquartile range) of a course of breast radiation was $8100 ($6700-9700). Increased radiation costs were not associated with the occurrence of treatment-related toxicities (all p-values>0.05), ipsilateral breast recurrence (p=0.55), or breast cancer-related mortality (p=0.55).Higher costs for adjuvant radiation in breast cancer were not associated with a decreased risk of patient-related outcomes suggesting inefficiency in Medicare reimbursements. Future efforts should focus on prospective evaluation of alternative payment models for radiotherapy.

SUBMITTER: Boero IJ

PROVIDER: S-EPMC4758206 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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The impact of radiotherapy costs on clinical outcomes in breast cancer.

Boero Isabel J IJ Paravati Anthony J AJ Triplett Daniel P DP Hwang Lindsay L Matsuno Rayna K RK Mell Loren K LK Murphy James D JD

Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 20151020 2

<h4>Background and purpose</h4>In cost-effective healthcare systems, the cost of services should parallel patient complexity or quality of care. The purpose of this study was to determine whether the cost of radiotherapy correlates with patient-related outcomes among a large cohort of breast cancer patients treated with adjuvant breast radiation.<h4>Materials and methods</h4>23,127 women with non-metastatic breast cancer undergoing radiotherapy after breast conservation surgery were identified f ...[more]

PMID: 26472317

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Project description:Patients considering postmastectomy radiation and reconstruction require information regarding expected outcomes to make preference-concordant decisions. A prospective multicenter cohort study of women diagnosed with breast cancer at 11 centers between 2012 and 2015 compared complications and patient-reported outcomes of 622 irradiated and 1625 unirradiated patients who received reconstruction. Patient characteristics and outcomes between irradiated and unirradiated patients were analyzed using ttests for continuous variables and chi-square tests for categorical variables. Multivariable mixed-effects regression modelsassessed the impact of reconstruction type and radiotherapy on outcomes after adjusting for relevant covariates. All statistical tests were two-sided. Autologous reconstruction was more commonly received by irradiated patients (37.9% vs 25.0%, P < .001). Immediate reconstruction was less common in irradiated patients (83.0% vs 95.7%, P < .001). At least one breast complication had occurred by two years in 38.9% of irradiated patients with implant reconstruction, 25.6% of irradiated patients with autologous reconstruction, 21.8% of unirradiated patients with implant reconstruction, and 28.3% of unirradiated patients with autologous reconstruction. Multivariable analysis showed bilateral treatment and higher body mass index to be predictive of developing a complication, with a statistically significant interaction between radiotherapy receipt and reconstruction type. Among irradiated patients, autologous reconstruction was associated with a lower risk of complications than implant-based reconstruction at two years (odds ratio [OR] = 0.47, 95% confidence interval [CI] = 0.27 to 0.82, P = .007); no between-procedure difference was found in unirradiated patients. The interaction was also statistically significant for satisfaction with breasts at two years (P = .002), with larger adjusted difference in satisfaction between autologous vs implant approaches (63.5, 95% CI = 55.9 to 71.1, vs 47.7, 95% CI = 40.2 to 55.2, respectively) in irradiated patients than between autologous vs implant approaches (67.6, 95% CI = 60.3 to 74.9, vs 60.5, 95% CI = 53.6 to 67.4) in unirradiated patients. Autologous reconstruction appears to yield superior patient-reported satisfaction and lower risk of complications than implant-based approaches among patients receiving postmastectomy radiotherapy.

Project description:BackgroundTo report clinical outcomes and late toxicities of a 2-week hypofractionated post-operative loco-regional radiotherapy in patients with breast cancer.Materials and methodsThis trial was approved by the Institutional Ethics Committee and registered with gov, no. NCT02460744. Between June 2013 and October 2014, 50 patients with breast cancer, post mastectomy or breast conserving surgery (BCS) were included in this study, of whom 10 had BCS. Patients were planned on a 2-dimentional (2D) simulator with 2 tangential fields and an incident supraclavicular field. Radiotherapy dose was 34 Gy/10#/2 weeks and a sequential boost of 10 Gy/5#/1 wk in BCS patients. The primary endpoint was the rate of acute skin toxicities previously reported. Here, we report the secondary end points of late toxicities, cosmesis, local recurrence, disease-free survival (DFS) and overall survival (OS). Late skin toxicities were recorded according to the Radiotherapy and Oncology Group (RTOG) scoring criteria. Cosmetic outcomes were assessed using the Harvard/National Surgical Adjuvant Breast and Bowel Project (NSABP)/RTOG breast cosmesis and the Late Effects Normal Tissue/Subjective Objective Management Analytic (LENT/SOMA) scales for the breast and chest wall, respectively. Kaplan-Meier estimates of DFS and OS were calculated, and 5-year DFS and OS rates (with approximate 95% CIs) were estimated.ResultsLate grade ≥ 2 chest wall induration, hypopigmentation and subcutaneous fibrosis were seen in 3 (6%), 3 (6%) and 1 (2%) patients, respectively. Chest wall cosmesis was excellent/good in 34 (72%) and fair/bad in 13 (28%) patients. In BCS patients, grade 2 skin induration, subcutaneous fibrosis and edema was observed in 1 patient (11%) each. Cosmesis was excellent/good in 7 (78%) and fair/bad in 2 (22%) patients. Late grade ≥ 2 arm edema, pain and shoulder stiffness were reported by 1 (2%), 2 (4%) and 2 (4%) patients, respectively. No local recurrences were observed. Five patients developed distant metastases (10%). Seven patients died (14%). The 5-year DFS and OS rate was 90% (95% CI: 77-96%) and 88% (95% CI: 75-94%), respectively.ConclusionHypofractionated radiotherapy in 2 weeks in patients with breast cancer was associated with minimal late toxicity, good cosmetic outcome and excellent local control. This trial may be of relevance for developing countries where resources are limited.

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The impact of radiotherapy costs on clinical outcomes in breast cancer.

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The impact of radiotherapy costs on clinical outcomes in breast cancer.

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