scholarly journals Chemotherapy Costs and 21-Gene Recurrence Score Genomic Testing Among Medicare Beneficiaries With Early-Stage Breast Cancer, 2005 to 2011

2019 ◽  
Vol 17 (3) ◽  
pp. 245-254 ◽  
Author(s):  
Michaela A. Dinan ◽  
Lauren E. Wilson ◽  
Shelby D. Reed
Keyword(s):  
High Risk ◽  
Early Stage ◽  
Recurrence Score ◽  
Low Risk ◽  
Genomic Testing ◽  
Intermediate Risk ◽  
Medicare Beneficiaries ◽  
Primary Analysis ◽  
High Risk Disease ◽  
Risk Patients

Background: This study examined whether associations between 21-gene recurrence score (RS) genomic testing and lower costs among patients with early-stage, estrogen receptor–positive breast cancer are observable in real-world data from the Medicare population. Methods: A retrospective cohort study was conducted using SEER-Medicare data for a nationally representative sample of Medicare beneficiaries diagnosed from 2005 through 2011. The main outcomes were associations between RS testing and overall and chemotherapy-specific costs. The primary analysis was restricted to patients aged 66 to 75 years. Results: The primary analysis comprised 30,058 patients. Mean costs 1 year after diagnosis were $35,940 [SD, $28,894] overall, $51,127 [33,386] for clinically high-risk disease, $33,225 [$27,711] for intermediate-risk disease, and $26,695 [$19,532] for low-risk disease. Chemotherapy-specific costs followed similar trends. In multivariable analyses, RS testing was associated with significantly lower costs among high-risk patients in terms of both relative costs (cost ratio, 0.88; 99% CI, 0.82–0.94) and absolute costs ($6,606; 99% CI, $39,223–$9,290). Higher costs among low-risk and intermediate-risk patients were mainly caused by higher noncancer costs. In sensitivity analyses that included all patients aged ≥66 years (N=64,996), associations between RS testing and costs among high-risk patients were similar but less pronounced because of lower overall use of chemotherapy. Conclusions: RS testing was associated with lower overall and chemotherapy-related costs in patients with high-risk disease, consistent with lower chemotherapy use among these patients. Higher overall costs for patients with intermediate-risk and low-risk disease were driven largely by non–treatment-related costs.

Prostate cancer–specific mortality after definitive radiation therapy: Who dies of disease?

2011 ◽  
Vol 29 (7_suppl) ◽  
pp. 181-181
Author(s):  
M. M. Kim ◽  
K. E. Hoffman ◽  
L. B. Levy ◽  
S. J. Frank ◽  
S. Choi ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Radiation Therapy ◽  
High Risk ◽  
Risk Group ◽  
Low Risk ◽  
Intermediate Risk ◽  
High Risk Disease ◽  
Specific Mortality ◽  
Risk Patients ◽  
Cancer Specific Mortality

181 Background: A competing risks analysis was undertaken to identify patient subgroups at greatest risk of dying from prostate cancer (CAP) after treatment with definitive external beam radiation therapy (RT) +/− androgen deprivation therapy (ADT) in the PSA era, and to determine which factors predict for survival from disease. Methods: A total of 2,675 men with localized CAP treated with RT +/− ADT at M. D. Anderson Cancer Center from 1987-2007 were evaluated. Prostate cancer-specific mortality (PCSM) and other cause mortality rates were calculated after stratifying patients according to NCCN risk group, RT dose, use of ADT, and age at treatment. In total, 21% had low-risk, 40% had intermediate-risk, and 39% had high-risk disease. Multivariate analysis (MVA) was performed using Cox regression modeling. Results: Median age was 68.5 years and median follow-up was 6.4 years. For patients with low-risk disease, only 0.2% died of CAP 10 years after treatment. None of the low-risk patients <70 years old who received ≥72 Gy died of CAP. The majority of deaths in the intermediate-risk group were also due to other causes; men ≥70 years old who received <72 Gy had the highest 10-year PCSM (5%). High-risk patients <70 years old who received <72 Gy without ADT had similar 10-year rates of CAP (15.2%) and non-CAP (18.5%) mortality. Men with high-risk disease <70 years old treated with higher doses >72 Gy were twice as likely to die from non-CAP causes (15.9%) than die from CAP (8.6%). In older men ≥70 years old with high risk disease, dose-escalation with ADT reduced 10-year PCSM from 14% to 4%, and most deaths were due to other causes (41% and 20%). On MVA, dose (p=0.002), ADT (p=0.007), PSA (p<0.0001) and Gleason score (p<0.0001) were predictive of PCSM in the high-risk group. Conclusions: Men with low- and intermediate-risk CAP treated with definitive RT are unlikely to die of disease. PCSM is higher in men with high-risk disease but can be reduced with dose escalation and ADT, although patients are still twice as likely to die of other causes. No significant financial relationships to disclose.

scholarly journals Survival outcomes of low-risk and intermediate-risk stage IB1 cervical cancer patients

2019 ◽  
Vol 13 (1) ◽  
pp. 27-32
Author(s):  
Asama Vanichtantikul ◽  
Patou Tantbirojn ◽  
Tarinee Manchana
Keyword(s):  
Cervical Cancer ◽  
High Risk ◽  
Prognostic Factor ◽  
Cancer Patients ◽  
Early Stage ◽  
Low Risk ◽  
Survival Outcomes ◽  
Intermediate Risk ◽  
Early Stage Cervical Cancer ◽  
Risk Patients

Abstract Background Survival for patients with early stage cervical cancer without any high-risk factors treated with radical hysterectomy is excellent. However, there are few data on the survival outcomes for low-risk and intermediate-risk early stage cervical cancer patients. Objective To determine survival outcomes and prognostic factors of low-risk and intermediate-risk stage IB1 cervical cancer patients. Methods Stage IB1 cervical cancer patients with radical hysterectomy and pelvic lymphadenectomy were retrospectively reviewed. Patients with positive pelvic nodes, parametrial involvement, and positive margin who are classified as high-risk patients were excluded. Patients with squamous cell carcinoma or grade 1–2 adenocarcinoma, tumor size less than 2 cm, no lymphovascular space invasion (LVSI), and depth of stromal invasion (DSI) less than 10 mm were defined as low-risk patients. Survival was evaluated using the Kaplan–Meier method and compared by the log-rank test. Multivariate analysis was performed using Cox proportional-hazards regression. Results There were 82 (42.3%) low-risk patients and 112 (57.7%) intermediate-risk patients. More patients in intermediate risk received adjuvant treatment (3.6% and 14.3%, P = 0.07). Three (3.6%) low-risk patients and 18 (16.1%) intermediate-risk patients had recurrent disease (P = 0.004). At median follow-up of 86 months, 1.2% of low-risk patients and 8.9% of intermediate-risk had cancer-related deaths (P = 0.02). Low-risk patients had significantly better 5-year disease-free survival (98.2% vs 91.1%, P = 0.01) and estimated 5-year overall survival (98.5% vs 91.1%, P = 0.01). DSI more than 10 mm and presence of LVSI were significantly associated with recurrence. However, LVSI was an independent prognostic factor. Conclusion Stage IB1 cervical cancer patients had excellent survival. Low-risk patients had significantly better survival. Presence of LVSI was an independent prognostic factor.

P3609Temporal trends of the management and outcomes of patients after myocardial infarction according to the risk for recurrent cardiovascular events

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
T Grinberg ◽  
T Bental ◽  
Y Hammer ◽  
A R Assali ◽  
H Vaknin-Assa ◽  
...  
Keyword(s):  
Myocardial Infarction ◽  
High Risk ◽  
Cardiovascular Events ◽  
Risk Group ◽  
Temporal Trends ◽  
High Risk Group ◽  
Low Risk ◽  
Intermediate Risk ◽  
High Risk Patients ◽  
Risk Patients

Abstract Background Following Myocardial Infarction (MI), patients are at increased risk for recurrent cardiovascular events, particularly during the immediate period. Yet some patients are at higher risk than others, owing to their clinical characteristics and comorbidities, these high-risk patients are less often treated with guideline-recommended therapies. Aim To examine temporal trends in treatment and outcomes of patients with MI according to the TIMI risk score for secondary prevention (TRS2°P), a recently validated risk stratification tool. Methods A retrospective cohort study of patients with an acute MI, who underwent percutaneous coronary intervention and were discharged alive between 2004–2016. Temporal trends were examined in the early (2004–2010) and late (2011–2016) time-periods. Patients were stratified by the TRS2°P to a low (≤1), intermediate (2) or high-risk group (≥3). Clinical outcomes included 30-day MACE (death, MI, target vessel revascularization, coronary artery bypass grafting, unstable angina or stroke) and 1-year mortality. Results Among 4921 patients, 31% were low-risk, 27% intermediate-risk and 42% high-risk. Compared to low and intermediate-risk patients, high-risk patients were older, more commonly female, and had more comorbidities such as hypertension, diabetes, peripheral vascular disease, and chronic kidney disease. They presented more often with non ST elevation MI and 3-vessel disease. High-risk patients were less likely to receive drug eluting stents and potent anti-platelet drugs, among other guideline-recommended therapies. Evidently, they experienced higher 30-day MACE (8.1% vs. 3.9% and 2.1% in intermediate and low-risk, respectively, P<0.001) and 1-year mortality (10.4% vs. 3.9% and 1.1% in intermediate and low-risk, respectively, P<0.001). During time, comparing the early to the late-period, the use of potent antiplatelets and statins increased among the entire cohort (P<0.001). However, only the high-risk group demonstrated a significantly lower 30-day MACE (P=0.001). During time, there were no differences in 1-year mortality rate among all risk categories. Temporal trends in 30-day MACE by TRS2°P Conclusion Despite a better application of guideline-recommended therapies, high-risk patients after MI are still relatively undertreated. Nevertheless, they demonstrated the most notable improvement in outcomes over time.

Identifying patients at risk of futile resuscitation: palliative care indicators in out-of-hospital cardiac arrest

2019 ◽  
pp. bmjspcare-2019-001828
Author(s):  
Mia Cokljat ◽  
Adam Lloyd ◽  
Scott Clarke ◽  
Anna Crawford ◽  
Gareth Clegg
Keyword(s):  
At Risk ◽  
Palliative Care ◽  
Cardiac Arrest ◽  
High Risk ◽  
Low Risk ◽  
Intermediate Risk ◽  
Patients At Risk ◽  
Risk Patients ◽  
Record Review ◽  
Hospital Cardiac Arrest

ObjectivesPatients with indicators for palliative care, such as those with advanced life-limiting conditions, are at risk of futile cardiopulmonary resuscitation (CPR) if they suffer out-of-hospital cardiac arrest (OHCA). Patients at risk of futile CPR could benefit from anticipatory care planning (ACP); however, the proportion of OHCA patients with indicators for palliative care is unknown. This study quantifies the extent of palliative care indicators and risk of CPR futility in OHCA patients.MethodsA retrospective medical record review was performed on all OHCA patients presenting to an emergency department (ED) in Edinburgh, Scotland in 2015. The risk of CPR futility was stratified using the Supportive and Palliative Care Indicators Tool. Patients with 0–2 indicators had a ‘low risk’ of futile CPR; 3–4 indicators had an ‘intermediate risk’; 5+ indicators had a ‘high risk’.ResultsOf the 283 OHCA patients, 12.4% (35) had a high risk of futile CPR, while 16.3% (46) had an intermediate risk and 71.4% (202) had a low risk. 84.0% (68) of intermediate-to-high risk patients were pronounced dead in the ED or ED step-down ward; only 2.5% (2) of these patients survived to discharge.ConclusionsUp to 30% of OHCA patients are being subjected to advanced resuscitation despite having at least three indicators for palliative care. More than 80% of patients with an intermediate-to-high risk of CPR futility are dying soon after conveyance to hospital, suggesting that ACP can benefit some OHCA patients. This study recommends optimising emergency treatment planning to help reduce inappropriate CPR attempts.

scholarly journals Risk-adapted survival benefit of IMRT in early-stage NKTCL: a multicenter study from the China Lymphoma Collaborative Group

2018 ◽  
Vol 2 (18) ◽  
pp. 2369-2377 ◽  
Author(s):  
Tao Wu ◽  
Yong Yang ◽  
Su-Yu Zhu ◽  
Mei Shi ◽  
Hang Su ◽  
...  
Keyword(s):  
Radiation Therapy ◽  
High Risk ◽  
Survival Benefit ◽  
Early Stage ◽  
Low Risk ◽  
Collaborative Group ◽  
High Dose ◽  
Conformal Radiation Therapy ◽  
Risk Patients ◽  
3D Crt

Abstract This study evaluated the survival benefit of intensity-modulated radiation therapy (IMRT) compared with 3-dimension conformal radiation therapy (3D-CRT) in a large national cohort of patients with early-stage extranodal nasal-type natural killer/T-cell lymphoma (NKTCL). This retrospective study reviewed patients with early-stage NKTCL treated with high-dose radiation therapy (RT; ≥45 Gy) at 16 Chinese institutions. Patients were stratified into 1 of 4 risk groups based on the number of risk factors: low risk (no factors), intermediate-low risk (1 factor), intermediate-high risk (2 factors), and high-risk (3-5 factors). Of the 1691 patients, 981 (58%) received IMRT, and 710 (42%) received 3D-CRT. Unadjusted 5-year overall survival (OS) and progression-free survival (PFS) were 75.9% and 67.6%, respectively, for IMRT compared with 68.9% (P = .004) and 58.2% (P &lt; .001), respectively, for 3D-CRT. After propensity score match and multivariable analyses to account for confounding factors, IMRT remained significantly associated with improved OS and PFS. The OS and PFS benefits of IMRT persisted in patients treated with modern chemotherapy regimens. Compared with 3D-CRT, IMRT significantly improved OS and PFS for high-risk and intermediate-high–risk patients but provided limited benefits for low-risk or intermediate-low–risk patients. A risk-adapted survival benefit profile of IMRT can be used to select patients and make treatment decisions.

Assessing a prognostic model for predicting VTE occurrence in cancer patients.

2012 ◽  
Vol 30 (15_suppl) ◽  
pp. 1577-1577
Author(s):  
Deesha Sarma ◽  
So Yeon Kim ◽  
David H. Henry
Keyword(s):  
High Risk ◽  
Cancer Patients ◽  
Risk Group ◽  
Low Risk ◽  
Risk Category ◽  
Valuable Insight ◽  
Intermediate Risk ◽  
High Risk Patients ◽  
Prophylactic Measures ◽  
Risk Patients

1577 Background: Venous thromboembolism (VTE) poses a significant health risk to cancer patients and is one of the leading causes of death among this population. The most effective way to prevent VTE and reduce its prominence as a public health burden is by identifying high-risk patients and administering prophylactic measures. In 2008, Khorana et al. developed a model that classified patients by risk based on clinical factors. Methods: We conducted a retrospective study to test this model’s efficacy, on 150 patients with cancer receiving chemotherapy at an outpatient oncology clinic between January 1 and August 1, 2011. We aggregated data and assigned points based on the five factors in the Khorana model: site of cancer with 2 points for very high-risk site and 1 point for high-risk site, 1 point each for leukocyte counts more than 11 x 109/L, platelet counts greater than 350 X 109/L, hemoglobin levels less than 100 g/L and/or the use of erythropoiesis-stimulating agents, and BMI greater than 35 kg/m2 (Khorana et al., Blood 2008). Based on this scoring system, patients with 0 points were grouped into the low-risk category, those with 1-2 points were considered intermediate-risk, and those with 3-4 points were classified as high-risk. Results: As shown in the table, VTE incidence for the low-risk group was 1.9%, intermediate-risk group was 3.9%, and high-risk group was 9.1%. Conclusions: High-risk patients were about 4.5 times more likely to develop a VTE than low risk patients. These results provide valuable insight in determining which patients might benefit from prophylaxis and in motivating the design of prospective clinical trials that assess the VTE predictive model in various ambulatory cancer settings. [Table: see text]

Value of clinical treatment score post-5 years (CTS5) for late relapse risk assessment in patients with early-stage HER2+ breast cancer (BC) in the north central cancer treatment group (NCCTG) N9831 (Alliance) trial.

2020 ◽  
Vol 38 (15_suppl) ◽  
pp. 529-529
Author(s):  
Tanmayi Pai ◽  
Angelica Gil ◽  
Yaohua Ma ◽  
Zhuo Li ◽  
Pooja Advani ◽  
...  
Keyword(s):  
Breast Cancer ◽  
High Risk ◽  
Tumor Size ◽  
Cox Regression ◽  
Early Stage ◽  
Low Risk ◽  
Late Relapse ◽  
Intermediate Risk ◽  
Relapse Risk ◽  
Significant Difference

529 Background: Multiple prognostic models exist to predict late relapse risk in early stage hormone receptor-positive (HR+) breast cancer (BC). The CTS5 is one such model that has been validated in HR+ HER2-negative BC. The value of this model in HR+ HER2+ has not been established. Here, we assessed CTS5 in patients (pts) with early stage HER2+ BC treated in the NCCTG N9831 (Alliance) trial. Methods: Pts with stage I-III HER2+ HR+ BC who survived ≥ 5 years were included. The online CTS5 calculator was used to determine CTS5 score and risk group (low, intermediate, and high) based on age, tumor size, grade, and number of involved nodes. Kaplan-Meier (KM) estimates, Cox regression models, and C index were used for analysis. Results: From 3,130 pts, 1,204 pts met the criteria and were included. Median age was 49 (22-79) years and median tumor size was 2.4 (0.1-12) cm. 63.6% had grade 3 tumors, 33.6% grade 2, and 2.8% grade 1. Median follow up was 10.89 (5.01-15.32) years. Based on CTS5, 821 (68.2%) pts were classified as high risk, 289 (24%) as intermediate risk, and 94 (7.8%) as low risk. Overall, using univariate Cox regression analysis, there was no statistically significant difference in recurrence free survival (RFS) among pts with intermediate vs. low (HR 0.47 95%CI 0.18-1.22, p = 0.12) and high vs. low (HR1.23 95%CI0.57-2.67, p = 0.6) with the C index of 0.58. Among pts who received concurrent trastuzumab (H) with HR+ BC, there was also no statistical difference in RFS between high vs. low (HR 0.68 95%CI0.24-1.97, p = 0.48) with the C index of 0.55. Paradoxically, pts with intermediate risk had better RFS than low risk (HR 0.18 95%CI0.03-0.97, p = 0.05). As a continuous variable, there is also no significant improvement in RFS per 1 unit increase in CTS5 score (HR 1.19 95%CI 0.73-1.96, p = 0.49) with the C index of 0.54. After 5 years, 7.06% (n = 30/425) of HR+ pts treated with concurrent H recurred. Conclusions: The CTS5 model is not prognostic in pts with early stage HR+ HER2+ BC receiving adjuvant H. While most HR+ HER2+ pts are classified as high risk by CTS5, the recurrence between years 5-10 was low in pts who received adjuvant H. This study highlights the need to develop a new predictive model for risk of late relapse in this specific group of pts to enable clinicians to determine which pts would benefit from extended adjuvant endocrine therapy. Support: BCRF-19-161, U10CA180821, Genentech. https://acknowledgments.alliancefound.org Clinical trial information: NCT00005970 .

scholarly journals The Dynamic International Prognostic Scoring System for myelofibrosis predicts outcomes after hematopoietic cell transplantation

Blood ◽  
2012 ◽  
Vol 119 (11) ◽  
pp. 2657-2664 ◽  
Author(s):  
Bart L. Scott ◽  
Ted A. Gooley ◽  
Mohamed L. Sorror ◽  
Andrew R. Rezvani ◽  
Michael L. Linenberger ◽  
...  
Keyword(s):  
High Risk ◽  
Cell Transplantation ◽  
Scoring System ◽  
Hematopoietic Cell Transplantation ◽  
Risk Groups ◽  
Hematopoietic Cell ◽  
Low Risk ◽  
International Prognostic Scoring System ◽  
High Risk Disease ◽  
Risk Patients

Abstract Studies by the International Working Group showed that the prognosis of myelofibrosis patients is predicted by the Dynamic International Prognostic Scoring System (DIPSS) risk categorization, which includes patient age, constitutional symptoms, hemoglobin, leukocyte count, and circulating blasts. We evaluated the prognostic usefulness of the DIPSS in 170 patients with myelofibrosis, 12 to 78 years of age (median, 51.5 years of age), who received hematopoietic cell transplantation (HCT) between 1990 and 2009 from related (n = 86) or unrelated donors (n = 84). By DIPSS, 21 patients had low-risk disease, 48 had intermediate-1, 50 had intermediate-2, and 51 had high-risk disease. Five-year incidence of relapse, relapse-free survival, overall survival, and nonrelapse mortality for all patients were 10%, 57%, 57%, and 34%, respectively. Among patients with DIPSS high-risk disease, the hazard ratio for post-HCT mortality was 4.11 (95% CI, 1.44-11.78; P = .008), and for nonrelapse mortality was 3.41 (95% CI, 1.15-10.09; P = .03) compared with low-risk patients. After a median follow-up of 5.9 years, the median survivals have not been reached for DIPSS risk groups low and intermediate-1, and were 7 and 2.5 years for intermediate-2 and high-risk patients, respectively. Thus, HCT was curative for a large proportion of patients with myelofibrosis, and post-HCT success was dependent on pre-HCT DIPSS classification.

scholarly journals Rituximab Maintenance Benefits Less for Follicular Lymphoma Patients with Low Risk of the Follicular Lymphoma International Index

Blood ◽  
2021 ◽  
Vol 138 (Supplement 1) ◽  
pp. 3544-3544
Author(s):  
Tingyu Wang ◽  
Ru Li ◽  
Rui Lv ◽  
Ying Yu ◽  
Jiawen Chen ◽  
...  
Keyword(s):  
High Risk ◽  
Follicular Lymphoma ◽  
Progression Free Survival ◽  
Risk Groups ◽  
Low Risk ◽  
Control Group ◽  
Intermediate Risk ◽  
Free Survival ◽  
Rituximab Maintenance ◽  
Risk Patients

Abstract Background Follicular lymphoma (FL) is an incurable indolent disease with a heterogeneous course. The Follicular Lymphoma International Prognostic Index (FLIPI) is the most commonly used prognostic system to predict survival. Rituximab-based immunochemotherapy is now the standard choice for the first-line therapy of FL, followed by rituximab maintenance (RM) in patients with response, which prolongs the progression-free survival (PFS). However, the role of RM in different FLIPI risk groups has never been studied as we know. In this study, we aimed to illustrate the effect of RM in FLIPI risk groups. Methods Newly diagnosed FL patients at our center were enrolled in this analysis. All the patients received the rituximab-based chemoimmunotherapy induction regimens. Response assessments were determined according to Lugano's 2014 criteria. Patients who didn't respond to induction were excluded. Categorical variables were compared using Fisher's exact test. Overall survival (OS) and progression-free survival (PFS) were estimated using the Kaplan-Meier method and compared with the log-rank test. Results From May 2003 to September 2020, 203 newly diagnosed FL were included. 192 patients (95.0%) achieved remission (complete response, CR/partial response, PR) after immunochemotherapy induction, of whom 96 patients continued rituximab maintenance therapies every 3 months for 1-2 years (RM group) (median 7 times，range 4 to 12). 96 patients received no maintenance or fewer than 4 times (control group) (median 0 times, range 0-3). There were no significant differences in baseline characteristics other than the Ann Arbor stage and pathological grade. The RM group patients were more likely to be at low grade (71.8% vs 54.9%, P = 0.042) and advanced stage (90.6% vs 78.7% , P = 0.027) (Table 1). After a median follow-up of 36.4 months (95% confidence interval [CI], 32.2 to 40.6), median OS and PFS were not reached. The 5-year OS rates and PFS rates were 95.1% (95%CI, 90.2%-100%) and 83.0% (95%CI, 75%-91%)(Fig 1). And RM significantly prolonged the PFS, with 5-year PFS rates 92.2% (95%CI, 85.1%-99.3%) and 70.3%(95%CI, 55%-85.6%) (P = 0.0003) (Fig 2). According to FLIPI risk stratification, patients were classified into low-risk, intermediate-risk, and high-risk groups. The 5-year PFS rates were 97.7% (95%CI, 93.2%-100%), 84.7% (95%CI, 70.4%-99%), and 67.8% (95%CI, 49%-86.6%), respectively (Fig 3). For low-risk patients, there was no significant difference in PFS for the RM group vs the control group. However, for both intermediate risk and high-risk patients, PFS was significantly longer in the RM group compared to the control group (P &lt; 0.0001). The PFS rates at 5 years in intermediate-risk patients were 100% and 77.8% (95%CI, 40.8%-92.6%), for the RM group vs control group, high risk 76.4% (95%CI, 54.3%-98.5%), and 54.9% (95%CI, 21.6%-88.2%), respectively (Fig 4). Conclusion Standard rituximab maintenance significantly prolongs progression-free survival in FLIPI intermediate risk and high-risk patients with FL, but not in the FLIPI low risk group. Figure 1 Figure 1. Disclosures Wang: AbbVie: Consultancy; Astellas Pharma, Inc.: Research Funding.

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