Induction (Ind) plus concurrent (Con) chemotherapy with high-dose (74 Gy) 3-dimensional (3-D) thoracic radiotherapy (TRT) in stage III non-small cell lung cancer (NSCLC): Preliminary report of Cancer and Leukemia Group B (CALGB) 30105

2006 ◽  
Vol 24 (18_suppl) ◽  
pp. 7042-7042 ◽  
Author(s):  
A. W. Blackstock ◽  
M. A. Socinski ◽  
J. Bogart ◽  
L. Gu ◽  
X. Wang ◽  
...  

7042 Background: Combined chemoradiotherapy is the standard of care in stage III NSCLC. At standard TRT doses, local failures remain problematic and strategies exploiting the dose-response aspect of TRT are warranted. 3-D TRT allows escalation of TRT dose with acceptable toxicity (Socinski et al, J Clin Oncol 22:4341, 2004) and may enhance survival by improving loco-regional control. Methods: This is a two-arm randomized phase II trial evaluating 74 Gy with Con chemotherapy: Arm A- 2 cycles of Ind carboplatin (C) (AUC 6) and paclitaxel (P) (225 mg/m2) followed by weekly Con C (AUC 2/wk) and P (45 mg/m2) and 74 Gy; Arm B- 2 cycles of Ind C (AUC 5) and gemcitabine (G) (1000 mg/m2 d1,8) followed by Con G (35 mg/m2 twice weekly) and 74 Gy. The primary endpoint was a survival rate of ≥50% at 18 months after treatment initiation or med survival time (MST) of ≥18 mos. Results: 69 pts were entered (43 Arm A, 26 Arm B)- med age 61 yrs (39–77), 77% male, PS 0:1 42%:58%, stage IIIA:B 52%:48%. Ind therapy on both arms was well tolerated with no pts experiencing disease progression. ARM A- Overall response rate (RR) to all therapy was 61.9%. Gr 3–4 toxicities during Con therapy were anemia (15%), neutropenia (26%), esophagitis (9%), fatigue (9%), neuropathy (3%) and pulmonary (12%). There was 1 (3%) Gr 5 cardiac event. With med follow-up of 16.4 mos, the med progression-free survival (PFS) is 15.2 mos. The MST is not mature enough to estimate as only 15 deaths have occurred. ARM B- Closed early due to 3 (13%) Gr 5 pulmonary events. Overall RR to all therapy was 66.6%. Gr 3–4 toxicities during Con therapy were anemia (13%), fatigue (35%), esophagitis (35%), hemoptysis (4%), pulmonary (26% plus the 3 Gr 5 events). With med follow-up of 22 mos, the med PFS is 7.7 mos and the MST is 13.9 mos. There was a correlation between Gr 3–5 pulmonary toxicity and V20 ≥ 38% (p<0.05). Conclusions: 1) High dose 3-D TRT is feasible within CALGB, 2) the details of TRT (V20) are important with regard to toxicity, 3) the survival of pts on Arm A appears promising. [Table: see text]

Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 1569-1569 ◽  
Author(s):  
Hui-qiang Huang ◽  
Gao Yan ◽  
Hang Su ◽  
Yunhong Huang ◽  
Yuhuan Gao ◽  
...  

Intruduction Extranodal natural killer/T-cell lymphoma (ENKTL) is an uncommon, aggressive form of non-Hodgkin's lymphoma. Optimal therapeutic strategies have not been fully defined yet. Nasal NK/T-cell lymphomas present mostly with stage I/II disease. For stage I/II nasal lymphoma, a combination of chemotherapy and radiotherapy yields optimal results. Concomitant chemoradiotherapy and sequential chemotherapy and radiotherapy give similar response rates and survivals. For stage III/IV nasal, nonnasal, and disseminated ENKTL, systemic chemotherapy is indicated. Conventional anthracycline-based regimens are ineffective. Regimens containing L-asparaginase are most effective. Both AspaMetDex and P-Gemox is recommended as major effective combined chemotherapy regimen by NCCN guideline. Therefore, we try to evaluate the efficacy and toxicity for P-Gemox plus thalidomide and AspaMetDex followed by extensive involved field radiotherapy (EIFRT) as first-line treatment for newly diagnosed stage I/II patients and as salvage regimen for newly diagnosed stage III/IV or relapsed/refractory ENKTL in this clinical study. Methods We initiated a prospective, multicentre, randomized, phase II clinical trial at 12 centers in China at March 2014. Patients were randomly assigned to receive either P-Gemox+thalidomide regimen (Group A: Pegaspargase 2000U/m2; im d1, Gemcitabine 1000mg/m2; ivdrip , d1, d8. Oxaliplatin 130mg/m2; ivdrip, d1, thalidomide 100mg/d po, for one year.) or AspaMetDex regimen ( Group B: Pegaspargase 2000U/m2; im, d1, Methotrexate 3000mg/ m2; civ 6-hour, d1, calcium folinate 30mg iv, q6h, until reach safe serum MTX concentration, Dexamethasone 40mg/d ivdrip, d1-4.). For newly diagnosed stage I/II patients, both regimens were repeated every three weeks for a maximum four cycles as induction chemotherapy and followed by EIFRT at the dosage of 56Gy in 28 fractions over 4 weeks. Primary EIFRT was delivered using 6-MeV linear accelerator using 3-dimensional conformal treatment planning. For newly diagnosed stage III/IV or relapsed/refractory ENKTL, the regimens were repeated every three weeks for a maximum six cycles. Patients underwent autologous hematopoietic stem cell transplantation (ASCT) as consolidation if they achieved response (complete remission,CR or partial remission,PR). The primary endpoint was progression-free survival(PFS). Results Between March 2014 and March 2018, 165 patients were randomly assigned. 85 patients to Group A, 80 patients to Group B. 156 patients were evaluable for response. Investigator-assessed overall response at the end of induction was 88.2% in the Group A and 75.0% in the Group B. Complete remission (CR) rate were 60.0% and 55.0%. Among 107 newly diagnosed stage I/II patients, 54 patients were assigned to Group A (52 assessed), and 53 to Group B (47 assessed). Overall response during induction in Group A and B was similar in both groups, were 64.8% and 64.2%. 58 newly diagnosed stage III/IV or relapsed refractory patients were enrolled. 31 patients were assigned to Group A (30 assessed), and 27 to Group B. The efficacy rate of Group A was higher than that of Group B. Overall response rate were 87.1% and 66.6%, respectively. At median follow-up of 24.6 (1.0-60.9)months, 3-year progression-free survival (PFS) and overall survival (OS) of whole cohort were 61.4% and 63.4%. PFS and OS rate of Group A were similar to Group B(Figure 1). Group B was better tolerated than Group A, with lower rates of agranulocytosis, thrombocytopenia and infections. While anemia,hyperbilirubinemia, edema, and increased BUN/Cr were more common in Group B. Three patients died of treatment related toxicity only in Group B . Two patients died of severe acute renal failure and sepsis at the first cycle, and one patient died of sepsis at the third cycle. CONCLUSION: Induction chemotherapy of both P-Gemox+Thalidomide and AspaMetDex regimen followed by EIFRT yielded promising efficacy for patients with stage I/II ENKTL. There is little difference therapeutic effect between the two regimens. For advanced or relapsed patients, both regimen showed unsatisfied survival outcome. Meanwhile, P-Gemox+ Thalidomide was less toxic with more convenient administration in outpatients clinics in comparison to AspaMetDex. ( ClinicalTrials.gov, NCT 2085655 ). Disclosures Li: Guangdong Province Hospital: Employment.


1993 ◽  
Vol 11 (2) ◽  
pp. 248-254 ◽  
Author(s):  
B A Parker ◽  
M Santarelli ◽  
M R Green ◽  
J R Anderson ◽  
M R Cooper ◽  
...  

PURPOSE In an attempt to improve the efficacy of cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) chemotherapy for intermediate-grade and high-grade non-Hodgkin's lymphomas, a phase II evaluation of a regimen consisting of Adriamycin (doxorubicin; Adria Laboratories, Columbus, OH), methotrexate, Oncovin (vincristine; Eli Lilly Co, Indianapolis, IN), prednisone, leucovorin, cytarabine (ara-c), cyclophosphamide, and etoposide (AMOPLACE) was conducted. This regimen includes three additional agents not found in CHOP, uses weekly doses of alternating myelosuppressive and nonmyelosuppressive drugs, and incorporates most single agents active against diffuse lymphomas. PATIENTS AND METHODS Ninety-one previously untreated patients were enrolled and 60 patients were confirmed eligible after central pathology review. Fifty-eight percent of patients had diffuse large-cell lymphoma (DLCL), 83% had stage III or IV disease, and 45% had B symptoms. RESULTS Patients were treated with six to eight cycles of AMOPLACE and analyzed for response and survival. With a median follow-up of 48 months, complete responses (CRs) were seen in 68% of all patients with failure-free survival (FFS) and overall survival (OS) estimates at 4 years of 45% and 54%. In the DLCL subset, the CR rate was 69% and FFS and OS estimates at 4 years were 49% and 60%, respectively. The major toxicity was myelosuppression, with 73% of patients having WBC nadirs less than 1,000/microL; two treatment-related deaths occurred. CONCLUSION We conclude that AMOPLACE is associated with CR and OS rates comparable with those of other third-generation regimens.


1995 ◽  
Vol 13 (5) ◽  
pp. 1089-1095 ◽  
Author(s):  
W P Vaughan ◽  
E Kris ◽  
J Vose ◽  
P J Bierman ◽  
P Gwilt ◽  
...  

PURPOSE A phase I/II study was performed to evaluate the incorporation of hydroxyurea (HU) into high-dose chemotherapy of non-Hodgkin's lymphoma (NHL). PATIENTS AND METHODS Thirty-eight patients with primary refractory and refractory relapsed NHL were treated with carmustine (BCNU) (300 mg/m2 on day -8), cyclophosphamide (Cy) (2.5 g/m2/d on days -8 and -7), etoposide (E) (150 mg/m2 every 12 hours on days -6, -5, and -4), and HU (BCHE) with autologous hematopoietic stem-cell rescue. Twenty-one patients received HU in a dose escalation of 2 to 12 g/m2 intravenously (IV) by 72-hour continuous infusion. When the IV formulation was not available, 17 patients were given 18 g/m2 of HU orally in divided doses every 6 hours over the same 72-hour period. RESULTS The dose-limiting toxicity of 72-hour continuous infusion HU in this regimen was mucositis. Endotracheal intubation was necessary to protect the airway in two thirds of patients treated at 12 g/m2. Six patients (oral BCHE, five of 17; IV BCHE, one of 21) died with nonresponding or progressive disease and, at least in part, from the complications of the high-dose chemotherapy. Seventeen patients (45%) achieved complete remission (CR). More patients treated with IV BCHE achieved CR than patients treated with oral BCHE (12 of 21 v five of 17; P < .1, chi 2 test). Nine patients (two of 17 oral BCHE and seven of 21 IV BCHE) remain disease-free as of January 31, 1994, with a minimum follow-up time of 3 years. The lower mortality and higher response rate with IV BCHE translated into a significantly superior probability of progression-free survival (PFS) (33% at 4 year v 12% for oral BCHE; P = .048, log-rank test). CONCLUSION High-dose BCHE is effective treatment for primary refractory and refractory relapsed NHL. Continuous IV HU appears to be less toxic and more effective than intermittent oral HU in this regimen.


Blood ◽  
2006 ◽  
Vol 108 (11) ◽  
pp. 2452-2452
Author(s):  
Ingo G.H. Schmidt-Wolf ◽  
Hendrik Pels ◽  
Annika Juergens ◽  
Axel Glasmacher ◽  
Holger Schulz ◽  
...  

Abstract Background: Treatment of primary CNS lymphoma (PCNSL) with a combined systemic and intraventricular chemotherapy (Bonn protocol) has achieved an overall response rate (ORR) of 84% and long term complete remissions in a substantial fraction of patients younger than 60 years. Purpose: Due to a high infection rate of the Ommaya reservoir the question was addressed if intraventricular treatment is dispensable in this polychemotherapy protocol. Patients and Methods: Fifty patients with histologically confirmed PCNSL were enrolled onto a phase II-study evaluating chemotherapy without radiotherapy and without intraventricular treatment. A high-dose methotrexate (MTX) (cycles 1,2,4,5) and cytarabine (ara-C) (cycles 3,6) based systemic therapy (including dexamethasone, vinca-alkaloids, ifosfamide and cyclophosphamide) was administered. Results: In an ongoing trial thirty-five of 50 patients (18 pat. < 60 years, 17 pat. over 60 years) are yet assessable for response after a median follow up of nine months (range: 1 to 26 months). In 18 patients < 60 years, the ORR was 78%. However, median time to treatment failure (TTF) was eight months, and median progression free survival (PFS) only 7 months according to frequent early relapses. Conclusions: Early relapses are frequent in younger patients treated with the modified Bonn protocol without intraventricular treatment despite a high ORR. These preliminary results support the assumption that intraventricular treatment is essential to achieve sustained remissions after successful treatment of PCNSL.


Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 3605-3605 ◽  
Author(s):  
Jonathan L. Kaufman ◽  
Charise Gleason ◽  
Leonard Heffner ◽  
Sagar Lonial

Abstract The optimal induction regimen for patients with symptomatic myeloma who are eligible for transplantation is currently unknown. While thalidomide and dexamethasone is an effective regimen, it only has a 60 to 65% response rate and few complete responses (CR). Bortezomib based inductions have demonstrated a high response rate and an improved CR as well. Recently the IFM reported the initial results of the randomized bortezomib plus dexamethasone versus VAD induction followed by transplant, which demonstrated that fewer patients treated with bortezomib required tandem transplants. Wang et al reported a high induction response rate with the combination of BTD for only 2 cycles given over a 28 day cycle. Here we report our experience with the combination of BTD as induction therapy. 38 patients with symptomatic myeloma were treated with BTD as induction therapy. Patients received standard dose and schedule bortezomib at 1.3 mg/m2 on days 1, 4, 8, and 11 with thalidomide at 100 mg/day, and 8 days of 40 mg dexamethasone every 21 days. The median age was 58 years (38–70) with 19 males. This was first line therapy for 29 patients, second line for 7 patients and 3rd line for 2. 12 patients had ISS stage 2 and 8 had ISS stage 3. The median β2M was 3.4 (1.66–41.89). Median creatinine was 1.1 (0.6–21.0). Nineteen patients had an IgG paraprotein, 6 an IgA, and 16 patients had light chain disease. The median number of cycles administered was 4 (2–8). Fifteen patients developed neuropathy of any grade. One patient developed grade 3 neuropathy. The overall response rate (CR, VGPR, plus PR) was 92%, with 58% of patients achieving a VGPR or better, and 21% of patients achieving an immunofixation negative CR. 1 patient had a minimal response and 2 patients had progressive disease (both patients presented with plasma cell leukemia). These two patients were treated with the combination of BTD with PACE chemotherapy. One of the two died from progressive disease and the other patient remains in complete remission after high dose therapy and autologous transplantation. 29 patients had consolidation therapy with high dose melphalan and autologous peripheral blood stem cell transplantation. Eight patients have collected stem cells without proceeding with immediate consolidation therapy. After a median follow up of 373 days, median progression free survival and overall survival have not been reached. One year overall survival is 97%. One year progression free survival is 87%. In conclusion, we report a very high response rate with a short course of bortezomib, thalidomide and dexamethasone with an acceptable toxicity profile. Follow up of patients in CR treated without high dose therapy and autologous transplant is in progress. Further studies of this active regimen are warranted.


Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 4812-4812
Author(s):  
Maria Roussou ◽  
Efstathios Kastritis ◽  
Athanasios Anagnostopoulos ◽  
Evangelos Eleftherakis-Papaiakovou ◽  
Charis Matsouka ◽  
...  

Abstract Introduction: The effectiveness of thalidomide based regimens (TBR) in patients with relapsed/refractory multiple myeloma is well established. However, there are still limited data regarding the long term follow up after such regimens and the outcome of patients when they progress and they receive further treatment. In order to answer these questions we evaluated a series of 114 patients with relapsed/refractory multiple myeloma who were treated with TBR. None of these patients had previously received thalidomide, bortezomib or lenalidomide. Patients and Methods: All patients were treated with thalidomide and dexamethasone with or without other oral agents. More specifically 41 patients had received continuous thalidomide and pulse dexamethasone, 25 patients clarithromycin, continuous thalidomide and pulse dexamethasone, 43 patients intermittent thalidomide, pulse dexamethasone and cyclophosphamide and 5 patients continuous thalidomide, pulse dexamethasone and cyclophosphamide. Type of treatment at the time of progression after TBR, response to this treatment and progression free survival were recorded for each patient. Moreover, patients who received novel agents after progression to TBR, were divided into 2 subgroups, according to their resistance to thalidomide. In group A, patients had refractory or progressive myeloma while on TBR or within 2 months after discontinuation of TBR. In group B, myeloma progressed more than 2 months after discontinuation of TBR. Results: Among the 114 patients, 41 had not responded to TBR and 73 (64%) had achieved at least a partial response. The median PFS for all patients was 8 months. As of June 2007, 10 patients remain without progression from 28 to 81 months (median 54 months). Eight patients remain off treatment and without progression for a median of 56 months (range 28–81). Patients who did not respond to or progressed after TBR were analyzed for further treatment and outcome. Thirty eight patients (37%) died before receiving further treatment, 23 patients (23%) received conventional chemotherapy and 41 patients (40%) received continuous thalidomide and dexamethasone +/− clarithromycin or cyclophosphamide (17 patients), bortezomib and dexamethasone (7 patients), melphalan-bortezomib-dexamethasone and intermittent thalidomide (12 patients) or lenalidomide with dexamethasone (5 patients). Among these 41 patients, 24 were classified in group A (thalidomide resistant) and 17 in group B. Overall 17 (41%) achieved at least partial response after retreatment with novel agent-based regimens. A response was observed in 46% of patients in group A and in 35% of patients in group B. The median progression free survival of the 41 patients who received retreatment with novel agents was 9.2 months and the median survival was 17 months. Among the 23 patients who received conventional chemotherapy only five (21%) patients responded and the progression free survival and the median survival were 5.3 and 10.2 months, respectively. Conclusions: After an oral TBR regimen 6 (5%) patients remain without treatment and free of progression for more than 4 years. A significant number of patients who progressed after TBR and who received further treatment which included a novel agent achieved a response, including several patients who were resistant to TBR.


Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 2351-2351
Author(s):  
Doris M Ponce ◽  
Craig Sauter ◽  
Marissa Lubin ◽  
Anne Marie Gonzales ◽  
Glenn Heller ◽  
...  

Abstract Abstract 2351 CBT can be curative for patients with high-risk hematologic malignancies. However, patients of older age, those with extensive prior therapy, or significant co-morbidities may not tolerate high-dose myeloablative conditioning. Reduced intensity (RI) or non-myeloablative (NMA) conditioning has been successfully used in CBT, especially in patients with lymphomas. However, patients with myeloid malignancies without extensive prior therapy have an increased risk of graft rejection following NMA CBT. Further, the addition of anti-thymocyte globulin (ATG) to enhance engraftment increases the risk of serious infections and Epstein-Barr virus post-transplant lymphoproliferative disease, and could increase the risk of relapse. Therefore, we investigated the efficacy and safety of a novel ATG-free RI conditioning prior to double unit CBT in patients with acute leukemias and myelodysplasia with the hypothesis that this regimen can induce a high incidence of sustained donor engraftment. Conditioning consisted of cyclophosphamide 50 mg/kg (day -6), fludarabine 30 mg/m2/day × 5 (days -6 to -2), thiotepa 5 mg/kg/day × 2 (days -5 and -4), and total body irradiation 200 cGy × 2 (days -2 and -1). All patients received cyclosporine-A and mycophenolate mofetil for graft-versus-host disease (GVHD) prophylaxis. Between 10/01/07-04/30/10, 20 patients were transplanted. The median age was 56 years (range 18–69). Thirteen (65%) had AML (9 CR1, 4 CR2), 4 (20%) had ALL (3 CR1, 1 CR3), and 3 (15%) had MDS (with one patient also having follicular lymphoma). The majority had high-risk disease. Indications for RI conditioning were the risk factors for transplant-related mortality (TRM) with high-dose conditioning of age ≥50 years, and/or extensive prior therapy, and/or significant co-morbidities. Thirteen patients had only 1 of these risk factors, whereas 7 had ≥2 risk factors. Units were predominantly 4–5/6 HLA-matched to the recipient (one 6/6, twenty-four 5/6, fifteen 4/6). The median infused cell doses of the larger units were 2.7 × 107 total nucleated cells/kg (range 1.46–5.56) and 0.95 × 105 CD34+ cells/kg (range 0.35–3.32), and 1.89 × 107/kg total nucleated cells/kg (range 1.42–2.47) and 0.59 × 105/kg CD34+ cells/kg (range 0.18–1.52) for the smaller units, respectively. The cumulative incidence of sustained donor engraftment at day 45 was 95% (95%CI: 81–100). The single patient with graft failure was 100% donor in the day 21 bone marrow, but died early post-transplant of multi-organ failure without count recovery. The median time to neutrophil recovery ≥0.5 × 109/l was 25 days (range 13–43). The median total donor chimerism in the day 21 bone marrow was 94% (both units combined, range 71–100), and sustained engraftment was accounted for by one unit in 18/19 engrafting patients. The incidence of grade II-IV acute GVHD at day 100 was 55% (95%CI: 32–78), and 46% (95%CI: 21–71) of patients have had late acute GVHD requiring ongoing therapy or chronic GVHD to date. The incidence of day 100 transplant-related mortality (TRM) was 20% (95%CI: 2–38). Notably, none of the 13 patients with only one risk factor died of transplant-related causes. By contrast, 5/7 (71%) patients with ≥2 risk factors died of TRM by day 100 (p=0.03, Table 1). Two additional patients died of relapse. With a median follow-up of 13 months (range 3–31), 1 year progression-free survival is 74% (95%CI: 55–94) (Figure 1). We demonstrate that this ATG-free RI conditioning is associated with a high incidence of sustained donor engraftment, and acceptable toxicities in older patients without other risk factors. While longer follow-up is needed, progression-free survival is encouraging provided multiple risk factors are not present. This conditioning combined with double unit grafts warrants further investigation, and may also be a promising alternative to high-dose conditioning in younger patients. Table 1. Day 100 TRM according to number of risk factors (age ≥50 years, extensive prior therapy, significant co-morbidities). Risk Factors Day 100 TRM P Value 1 (N = 13) 0/13 (0%) 0.03 ≥2 (N = 7) 5/7 (71%) Figure 1. Progression-Free Survival At 1 Year Figure 1. Progression-Free Survival At 1 Year Disclosures: Giralt: Celgene: Honoraria, Speakers Bureau; Millenium: Honoraria, Speakers Bureau.


Cancer ◽  
1979 ◽  
Vol 43 (4) ◽  
pp. 1234-1244 ◽  
Author(s):  
Barth Hoogstraten ◽  
Oliver Glidewell ◽  
James F. Holland ◽  
Johannes Blom ◽  
Leon Stutzman ◽  
...  

2013 ◽  
Vol 31 (3) ◽  
pp. 314-320 ◽  
Author(s):  
Oliver W. Press ◽  
Joseph M. Unger ◽  
Lisa M. Rimsza ◽  
Jonathan W. Friedberg ◽  
Michael LeBlanc ◽  
...  

Purpose Advanced follicular lymphomas (FL) are considered incurable with conventional chemotherapy and there is no consensus on the best treatment approach. Southwest Oncology Group (SWOG) and Cancer and Leukemia Group B compared the safety and efficacy of two immunochemotherapy regimens for FL in a phase III randomized intergroup protocol (SWOG S0016) that enrolled 554 patients with previously untreated, advanced-stage FL between March 1, 2001, and September 15, 2008. Patients and Methods Patients were eligible for the study if they had advanced-stage (bulky stage II, III, or IV) evaluable FL of any grade (1, 2, or 3) and had not received previous therapy. In one arm of the study, patients received six cycles of cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) chemotherapy at 3-week intervals with six doses of rituximab (CHOP-R). In another arm of the study, patients received six cycles of CHOP followed by consolidation with tositumomab/iodine I-131 tositumomab radioimmunotherapy (RIT). Results After a median follow-up period of 4.9 years, the 2-year estimate of progression-free survival (PFS) was 76% on the CHOP-R arm and 80% on the CHOP-RIT arm (P = .11). The 2-year estimate of overall survival (OS) was 97% on the CHOP-R arm and 93% on the CHOP-RIT arm (P = .08). Conclusion There was no evidence of a significant improvement in PFS comparing CHOP-RIT with CHOP-R. However, PFS and OS were outstanding on both arms of the study. Future studies are needed to determine the potential benefits of combining CHOP-R induction chemotherapy with RIT consolidation and/or extended rituximab maintenance therapy.


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