scholarly journals Infection-related morbidity and mortality among older patients with DLBCL treated with full- or attenuated-dose R-CHOP

2021 ◽  
Vol 5 (8) ◽  
pp. 2229-2236
Author(s):  
Toby A. Eyre ◽  
William Wilson ◽  
Amy A. Kirkwood ◽  
Julia Wolf ◽  
Catherine Hildyard ◽  
...  

Abstract Infection-related morbidity and mortality are increased in older patients with diffuse large B-cell lymphoma (DLBCL) compared with population-matched controls. Key predictive factors for infection-related hospitalization during treatment with rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) and deaths as a result of infection in older patients during and after treatment with R-CHOP remain incompletely understood. For this study, 690 consecutively treated patients age 70 years or older who received full-dose or attenuated-dose R-CHOP treatment were analyzed for risk of infection-related hospitalization and infection-related death. Median age was 77 years, and 34.4% were 80 years old or older. Median follow-up was 2.8 years (range, 0.4-8.9 years). Patient and baseline disease characteristics were assessed in addition to intended dose intensity (IDI). Of all patients, 72% were not hospitalized with infection. In 331 patients receiving an IDI ≥80%, 33% were hospitalized with ≥1 infections compared with 23.3% of 355 patients receiving an IDI of <80% (odds ratio, 1.61; 95% confidence interval, 1.15-2.25; P = .006). An increased risk of infection-related admission was independently associated with IDI >80% across the whole cohort. Primary quinolone prophylaxis independently reduced infection-related admission. A total of 51 patients died as a result of infection. The 6-month, 12-month, 2-year, and 5-year cumulative incidences of infection-related death were 3.3%, 5.0%, 7.2%, and 11.1%, respectively. Key independent factors associated with infection-related death were an International Prognostic Index (IPI) score of 3 to 5, Cumulative Illness Rating Scale for Geriatrics (CIRS-G) score ≥6, and low albumin, which enabled us to generate a predictive risk score. We defined a smaller group (15%) of patients (IPI score of 0-2, albumin >36 g/L, CIRS-G score <6) in which no cases of infection-related deaths occurred at 5 years of follow-up. Whether patients at higher risk of infection-related death could be targeted with enhanced antimicrobial prophylaxis remains unknown and will require a randomized trial.

Blood ◽  
2004 ◽  
Vol 104 (11) ◽  
pp. 4588-4588
Author(s):  
Luis F. Pracchia ◽  
Juliana Pereira ◽  
Marcelo Belesso ◽  
Beatriz Beitler ◽  
Dalton A. Chamone

Abstract In this retrospective study we described the response and toxicity of a modified Magrath IVAC (mIVAC) regimen in 25 patients with refractory/relapsed aggressive non-Hodgkin lymphoma (NHL). The mIVAC consisted of ifosfamide 1,500mg/m2 (one-hour infusion beginning at 9:00; D1 to D5), mesna 300mg/m2 (bolus at hours 9:00, 13:00, 17:00; D1 to D5), citarabine 2,000 mg/m2 (two one-hour infusions beginning at 8:00 and 16:00; D1 and D2) and etoposide 60 mg/m2 (one-hour infusion beginning at 10:00; D1 to D5). Treatment was repeated every four weeks for a maximum of six cycles. Patients who achieved partial remission or complete remission after at least three courses were offered autologous stem cell transplantation (ASCT), if eligible. The median age was 37 years (range 18 to 59 years). Twenty-two (88%) patients had diffuse large B-cell lymphoma, fourteen (56%) had relapsed disease and 10 (40%) were considered high-intermediate and high risk by age-adjusted International Prognostic Index. The overall response rate was 68% (95% CI: 46%–90%). A total of 64 cycles were given, with a median of three courses per patient. Grade 3/4 neutropenia was observed after 85,6% of the courses, and grade 3/4 thrombocytopenia was observed after 87,5% of the courses. Grade 3/4 neutropenic fever occurred after 28% of the courses. Non-hematologic toxic effects were rare, predominantly grade 1/2. No toxic deaths were observed. Fifteen (88%) of the 17 responding patients underwent ASCT. With a median follow-up of 14 months, the median overall survival time for mIVAC sensitive patients was 16 months. This regimen may be feasible for patient with relapsed and refractory aggressive NHL in countries with inadequate numbers of hospital beds.


2017 ◽  
Vol 35 (15_suppl) ◽  
pp. 10039-10039 ◽  
Author(s):  
Richard Jirui Lin ◽  
Helen Ma ◽  
Robin Guo ◽  
Michael L. Grossbard ◽  
Andrea B. Troxel ◽  
...  

10039 Background: Survival outcomes for older patients with aggressive NHL are disproportionally inferior to those of younger patients. While differences in tumor biology may play a role, older patients are often frail with comorbidities, polypharmacy, and use potentially inappropriate medications (PIM) such as anticholinergics and benzodiazepines. Methods: Using Cox proportional hazard and logistic regression models, we analyzed all aggressive NHL patients age ≥60 treated at our two affiliated hospitals from 2009-2014 to examine the association of polypharmacy and PIM use with progression-free survival (PFS), overall survival (OS), and treatment-related toxicities. Results: In this updated and final analysis, we included 171 patients with complete records from these two hospitals. They share similar demographic, clinical, and laboratory characteristics except for higher International Prognostic Index (IPI) in patients from one hospital. The median age was 70 years (range 65-77). At the time of diagnosis, 46% of patients used more than 4 medications (polypharmacy) and 47% used at least one PIM. Only 43% of patients received first-line chemotherapy of adequate relative dose intensity (>85% dosage), and 65% experienced ≥grade 3 toxicities. Polypharmacy and PIM use were associated with shortened PFS and OS by log-rank test. Most importantly, PIM use remained an independent predictor of PFS, OS, and ≥ grade 3 toxicities in multivariable analyses (Table). Conclusions: This is the first report of significantly adverse survival impacts of polypharmacy and PIM use in older patients with aggressive NHL, presumably from drug-drug interactions that increase toxicities and impair the delivery of adequate chemotherapy dosage. Our findings support the use of evidence-based geriatric principles to guide meticulous medication management to improve outcome disparity for these patients. [Table: see text]


Cancers ◽  
2020 ◽  
Vol 12 (7) ◽  
pp. 1967
Author(s):  
Pauli Vähämurto ◽  
Marjukka Pollari ◽  
Michael R. Clausen ◽  
Francesco d’Amore ◽  
Sirpa Leppä ◽  
...  

Low absolute lymphocyte counts (ALC) and high absolute monocyte counts (AMC) are associated with poor survival in patients with diffuse large B-cell lymphoma (DLBCL). We studied the prognostic impact of the ALC and AMC in patients with testicular DLBCL (T-DLBCL). T-DLBCL patients were searched using Southern Finland University Hospital databases and the Danish lymphoma registry. The progression free survival (PFS) and overall survival (OS) were assessed using Kaplan-Meier and Cox proportional hazards methods. We identified 178 T-DLBCL patients, of whom 78 (44%) had a low ALC at diagnosis. The ALC did not correlate with survival in the whole cohort. However, among the patients treated with rituximab (R) containing regimen, a pre-therapeutic low ALC was associated with an increased risk of progression (HR 1.976, 95% CI 1.267–3.086, p = 0.003). Conversely, intravenous (iv) CNS directed chemotherapy translated to favorable outcome. In multivariate analyses, the advantage of an iv CNS directed chemotherapy was sustained (PFS, HR 0.364, 95% CI 0.175–0.757, p = 0.007). The benefit of R and intravenous CNS directed chemotherapy was observed only in non-lymphopenic patients. The AMC did not correlate with survival. A low ALC is an adverse prognostic factor in patients with T-DLBCL. Alternative treatment options for lymphopenic patients are needed.


2017 ◽  
Vol 35 (15_suppl) ◽  
pp. 7514-7514 ◽  
Author(s):  
Kami J. Maddocks ◽  
Eva González Barca ◽  
Wojciech Jurczak ◽  
Anna Marina Liberati ◽  
Johannes Duell ◽  
...  

7514 Background: The Fc-enhanced CD19 antibody MOR208 and the immunomodulatory drug LEN have demonstrated single agent activity in patients (pts) with R-R DLBCL. MOR208 and LEN have shown synergy in vitro and in vivo in preclinical lymphoma models. This ongoing phase II study assesses the safety and efficacy of MOR208 + LEN in pts with R-R DLBCL. Methods: Pts >18 years old with R-R DLBCL, ECOG 0–2, adequate organ function, having previously received ≥1 but not more than 3 prior therapies, including ≥1 CD20-targeting regimen and who are not candidates for autologous stem cell transplant (ASCT), are eligible. Treatment comprises up to 12, 28-day (d) cycles (C) of MOR208 12 mg/kg IV, weekly during C1–3 (loading dose d4 of C1); every second week C4–12 + LEN 25 mg po d1–21, C1–12. Pts progression-free after 12 cycles receive up to 12 additional cycles of MOR208 (every second week). The primary endpoint is the overall response rate (ORR) by central radiology assessment. Secondary endpoints include disease control, duration of response, progression-free and overall survival, safety, and response by cell of origin and other biomarkers. A preplanned safety evaluation was undertaken. Results: 31 of 80 planned pts were enrolled prior to data cutoff (3 January 2017). Median age was 74 years (range 47–82); 45% of pts received ≥2 prior lines of therapy; 23% had rituximab refractory disease; 74% had Ann Arbor stage ≥III disease; 65% had elevated lactate dehydrogenase level, and 52% had a poor revised International Prognostic Index (3-5). The most common treatment-emergent adverse events (any grade/grade ≥3 [% pts]) were neutropenia (39/26), anemia (23/0) thrombocytopenia (16/6), infections (26/10) diarrhea (13/0), pyrexia (13/0), and rashes (13/6). Of 26 response evaluable pts (median follow-up 3.3 months), ORR (investigator assessed) was 58% (15 pts), with 7 (27%) complete responses. Median time to response was 1.8 months. Conclusions: The combination of MOR208 + LEN is well tolerated and shows promising activity in pts with R-R DLBCL. Accrual and follow-up of pts is ongoing, as are cell of origin and other biomarker analyses. Clinical trial information: NCT02399085.


Blood ◽  
2012 ◽  
Vol 120 (21) ◽  
pp. 3121-3121
Author(s):  
Yujin Kobayashi ◽  
Yoshihiro Hatta ◽  
Atsuko Hojo ◽  
Masaru Nakagawa ◽  
Machiko Kusuda ◽  
...  

Abstract Abstract 3121 Background We evaluated the safety and efficacy of the CEM regimen containing ranimustine (MCNU) with autologous peripheral blood stem cell transplantation (PBSCT) in adult patients with relapsed or high-risk de novo DLBCL or DLBCL associated with follicular lymphoma (FL/DLBCL) in our institution. Patients and methods We retrospectively analyzed 55 consecutive patients who underwent autologous PBSCT following the CEM regimen between March 1999 and June 2011 for the treatment of relapsed or high-risk DLBCL and FL/DLBCL. High-risk DLBCL was defined as partial or no response to initial treatment or high-intermediate/high risk disease according to international prognostic index (IPI) at initial diagnosis. Age-adjusted IPI was used for patients under 60. The CEM regimen consisted of CY (60 mg/kg on days -7 and -6), etoposide (500 mg/m2 on days -6 to -4) and MCNU (250 mg/m2on day -3 and -2), followed by PBSCT. Results Median age at transplant was 51 years (range, 23–66), and median time from diagnosis to transplant was 5 months (range, 3–241). Of them, 7 patients received radiation therapy before transplant, and 11 had no history of rituximab use before transplant. The 36 patients in CR1 at transplant were with high or high-intermediate risk according to international prognostic index at diagnosis. Other 15 patients in CR2, and 4 patients who were not in CR1/2 at transplant were included. CY dose was reduced in five patients by physicians choice. The median number of infused CD34-positive cells was 3.98 × 106/kg (range, 1.36–26.87). The median post-transplant days of neutrophil recovery and platelet were 11 days (range, 9–20) and 12 days (range, 7–53), respectively. Common grade 3/4 non-hematological treatment-related toxicities within the first 100 days after transplant were nausea (24%), vomit (4%), stomatitis (15%), and diarrhea (9%). Infections included febrile neutropenia (85%), sepsis (15%) which contained catheter-related bacteremia (n=4) and pneumonia (n=2). Other less common severe toxicities were acute renal impairment (n=3), and pleural effusion (n=1). No sever cardiac, neurologic toxicity, or veno-occlusive disease of the liver was observed in any of the patients. Late-onset adverse effects during follow-up period includes chronic renal impairment (n= 5), therapy-related myelodysplastic syndrome (refractory anemia) (n=1, 120 months), and prostate cancer (n=1, 83 months). Serious late cardiac or pulmonary impairment was not diagnosed in this cohort. Median follow-up duration of 42 patients surviving at the time of the analysis was 52 months (range, 1–159). Relapse or disease progression after PBSCT was documented in 21 cases (range, 0–81 months after PBSCT). No therapy related mortality (TRM) associated with PBSCT was observed, and all the 13 deaths were due to disease relapse/progression. The 5-year estimated overall survival (OS) and progression-free survival (PFS) were 70.6% (95% CI, 54.0–82.1)% and 57.0% (95% CI, 39.5–71.2)% for all patients, respectively. In a univariate analysis for factors affecting OS and PFS, no significant factors associated with unfavorable OS and PFS was found including age at transplant, gender, history of rituximab use, histology, disease status at transplant, and previous BM involvement. Conclusion We conclude that the CEM regimen using MCNU would be a tolerable, effective conditioning regimen of autologous PBSCT for high-risk or relapsed de novo DLBCL or FL/DLBCL. Although no TRM was observed, relapse was the major cause of treatment failure. Late-onset complications in long-term survivors can occur, and should be carefully monitored. Disclosures: No relevant conflicts of interest to declare.


Blood ◽  
2012 ◽  
Vol 120 (21) ◽  
pp. 3639-3639
Author(s):  
Akira Tanimura ◽  
Risen Hirai ◽  
Atsushi Sato ◽  
Miki Nakamura ◽  
Masataka Takeshita ◽  
...  

Abstract Abstract 3639 Background: The combination therapy of RCHOP [rituximab (R), cyclophosphamide (CY), doxorubicin (DOX), vincristine (VCR), and prednisone (PSL)] is a standardized treatment for diffuse large B-cell lymphoma (DLBCL). However, its clinical outcome is worse in elderly patients because of comorbidities, age-related decrease in organ function, and impaired drug metabolism. If possible, the dose of RCHOP in elderly patients and patients with comorbidities should be adjusted appropriately. Since 2005, we have used a unified dose attenuation system for RCHOP according to the age and comorbidities of patients. This study retrospectively verified this system. Patients/Methods: We analyzed 115 consecutive DLBCL patients treated at our institute from September 2001, when rituximab was approved in Japan, to December 2010. From September 2001 to August 2005, 33 patients received dose adjustment of RCHOP according to the physician's discretion (PHY group). From September 2005, 82 patients received RCHOP according to the unified dose attenuation system (UNI group). In the UNI group, patients younger than 60 years received the standard RCHOP dose [R, 375 mg/m2; CY, 750 mg/m2; DOX, 50 mg/m2; VCR, 1.4 mg/m2 (max 2.0 mg/body); PSL, 100 mg/m2]. In patients older than 60 years, the doses of CY, DOX, VCR, PSL, and R were attenuated as shown in Table 1. In addition to age, the doses of CY, DOX, and VCR were adjusted according to organ functions (Table 2). The two groups were compared statistically. Results: The median age of patients was 70 years (range, 38–91), with 70.4% of patients classified as stage III or IV DLBCL, 40.4% with an international prognostic index (IPI) score of 0–2, and 70.2% with a ECOG performance status (PS) of 0 or 1. Low serum albumin levels (under normal range) were observed in 50.5% patients, and a high Charlson comorbidity index (CCI) score of >1 was found in 58.3%. The characteristics of the patients in the two groups were almost similar. The UNI system was completed in 94% of patients. The complete response (CR) rate was 63% in all patients (UNI group, 73%; PHY group, 39%; P = 0.0006). Univariate analysis revealed that better prognostic factors for CR were a low IPI score, better PS, and the UNI group. In the multivariate analysis, only the UNI group was a significantly better prognostic factor for CR. With a median follow-up of 26 months, the 5-year event-free survival (EFS) and overall survival (OS) were 39.3% and 68% in all patients, 43% and 72% in the UNI group, and 27% and 59% (5-year EFS; P = 0.0083, 5-year OS; P = 0.16) in the PHY group, respectively. Multivariate analysis showed that better prognostic factors for EFS were a low IPI score, a low CCI score, and the UNI group, and that for OS were low IPI and low CCI scores. In elderly patients aged >70 years (N = 59), the CR rates were 81% and 13% in the UNI and PHY groups, respectively (P = 0.0004), with OS in the UNI group being longer than that in the PHY group (72% vs. 59%; P = 0.02; Fig.1). In the UNI group, patient age did not affect the CR rate (<70, 71% vs. 70–79, 83% vs. >79, 79%; P = 0.56) or 5-year OS (<70, 76% vs. 70–79, 70% vs. >79, 66%; P = 0.58). The actual dose of CY, DOX, and VCR compared with the standard RCHOP dose was 64% and 26%, 63% and 16%, and 63% and 21% in the UNI and PHY groups, respectively. Disease progression during treatment, discontinuation of therapy, and death during treatment were observed in 10% and 15%, 5% and 24%, and 5% and 3% in the UNI and PHY groups, respectively. Nineteen patients (23%) from the UNI group died over a median follow-up of 15 months, while 15 patients (45%) of the PHY group died over a median follow-up period of 29 months. Lymphoma-related deaths were 12 (14%) in the UNI group and 8 (24%) in the PHY group. Five secondary primary malignancies (SPM) were observed (1 colon cancer and 1 breast cancer in the PHY group, and 1 lung cancer and 2 myelodysplastic syndrome in the UNI group). Four deaths were related to SPM. Conclusion: The unified dose attenuation system determined by the patients' age and comorbidities may achieve an effective dose level and better prognosis in elderly DLBCL patients. Disclosures: No relevant conflicts of interest to declare.


2018 ◽  
Vol 26 (2) ◽  
pp. 103-107
Author(s):  
TELMA MURIAS DOS SANTOS ◽  
JUAN PABLO ZUMÁRRAGA ◽  
FÁBIO MAZETTI REAES ◽  
CARLOS HENRIQUE MAÇANEIRO JUNIOR ◽  
ANDRÉ MATHIAS BAPTISTA ◽  
...  

ABSTRACT Objective: It is difficult to define parameters for management and factors associated with primary bone lymphoma (PBL). This article presents the experience in a single institution with 42 patients with PBL over a 16-year period (2000-2016). Methods: Fifty-five patients were retrospectively evaluated, and forty-two were included (76.3%). Results: Median age at diagnosis was 51.5 years, and median follow-up was 102.7 months. One patient had HIV. Pain in the affected site was the most prevalent symptom. The average time between symptom onset and diagnosis was 5.4 months. The vertebrae were most affected (n=16, 33.3%). According to the International Prognostic Index Score (IPI), 64.3% of the patients were classified as having low-grade lymphoma and 25.7% as low-intermediate. The most common histology was diffuse large B cell lymphoma (DLBCL) (85.7%). Immunophenotyping was CD20 positive in 93.5% of patients, and 11 patients had pathological fracture. All patients received chemotherapy and 30% of the regimens included rituximab. Thirty-eight percent of patients received radiation therapy. Overall survival was 50%, and survival median time was 80 months. Age and chemotherapy regimen influenced patient survival. Younger patients and patients who received RCHOP had better prognoses. Conclusions: The choice of chemotherapy regimen associated with age influenced survival for patients with PBL. Level of Evidence IV; Case series.


Blood ◽  
2004 ◽  
Vol 104 (11) ◽  
pp. 3252-3252 ◽  
Author(s):  
Luis F. Porrata ◽  
Kay M. Ristow ◽  
Svetomir N. Markovic ◽  
Daniel Persky ◽  
Thomas M. Habermann

Abstract The peripheral blood absolute lymphocyte count (ALC) post-autologous stem cell transplantation is an independent predictor for survival in non-Hodgkin’s lymphoma. The role of ALC recovery during and after standard CHOP chemotherapy for newly diagnosed diffuse large B cell lymphoma (DLBCL) has not been reported. We hypothesized that ALC recovery during/after CHOP chemotherapy has a direct impact on survival. 135 consecutive newly diagnosed patients with DLBCL treated with CHOP from 1994 through 2000 were retrospectively analyzed. The primary end point was to assess the role of ALC recovery during and after CHOP on progression-free survival (PFS) and overall survival (OS). The ALC recovery before each of the 6 cycles and at 3 months follow-up after completion of therapy were analyzed. Of the 135 patients, 41 patients received concomitant radiation therapy. The median age was 64 years (range: 21–83) and median follow-up was 46 months (range: 1–124). Superior OS and PFS were identified in patients achieving the ALC cut-off value that discriminated clinical outcomes at a high level of significance for blood counts obtained before cycles 1 (ALC ≥ 1.5 x 109/L, OS = not reached vs 54 months, p< 0.0048; PFS = not reached vs 23 months, p <0.0005), 2 (ALC ≥1.5 x 109/L, OS = not reached vs 59 months, p <0.0255; PFS = not reached vs 30 months, p <0.0082), 3(ALC ≥1.2 x 109/L, OS = not reached vs 59 months, p<0.0074; not reached vs 30 months, p <0.0060), and at 3 months (ALC ≥ 1.2 x 109/L, OS = not reached vs 60 months, p< 0.0080; PFS = not reached vs 42 months, p < 0.0017). Similar cut-off points for cycles 4 through 6 could not be identified. The ALC recovery between each cycles 1–3 and at 3 months were not independent of each other. Multivariate analysis demonstrated ALC for cycles 1–3 and at 3 months post CHOP to be independent prognostic factor for OS and PFS when compared to other significant prognostic factors including International Prognostic Index and radiation therapy. Patients were stratified into three groups based on whether or not they achieved cut-off values of ALC in the first 3 cycles: group I= ALC achieved in at least 2 of 3 cycles; group II= ALC achieved in only 1/3 cycles; and group III= ALC cut-off not achieved. A trend towards worse OS (p< 0.0035) (Figure 1) and PFS (p< 0.0003) was identified if patients did not achieve any of the cut-off values of ALC in the first 3 cycles. These data further support the hypothesis that there is a critical role of lymphocyte (immune) recovery during and after CHOP chemotherapy in DLBCL.


Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 1797-1797
Author(s):  
Stefan K Barta ◽  
Jeannette Y Lee ◽  
Joseph A Sparano ◽  
Lawrence D Kaplan ◽  
Ariela Noy

Abstract Abstract 1797 Background: Two consecutively performed randomized studies by the AMC evaluating chemoimmunotherapy for the treatment of HIV-associated NHL include AMC010 (Kaplan LD et al, Blood 2005: concurrent Rituximab [R] + CHOP vs. CHOP, N=150) and AMC034 (Sparano JA et al, Blood 2010: concurrent R+EPOCH vs. Sequential EPOCH → R; N=106). In AMC010, the addition of Rituximab to CHOP was associated with an increased risk of infectious death (15% vs. 2%, p=0.04) without a significant improvement in complete response (CR) rate (58% vs.47%; p=0.15), event free survival (EFS), or overall survival (OS). In AMC034, the CR rate met its primary efficacy endpoint in the concurrent arm (73%; 95% confidence intervals [CI] 58%, 85%) but not the sequential arm (55%; 95% CI 41%, 68%). Methods: We performed a pooled analysis of these two consecutive trials including patients treated with R-CHOP and concurrent R-EPOCH in order to determine the influence of the age-adjusted International Prognostic Index (aaIPI), CD4 count (&lt; 100/uL vs. ≥ 100/uL), and treatment (CHOP vs. EPOCH) as variables on outcomes EFS, OS and CR. Results: The characteristics and outcomes of the study populations are shown in table 1. Patients treated with R-EPOCH tended to have better outcomes in both the low and high risk IPI groups. In a multivariate analysis that included pooled data from both consecutive studies, features that were significantly associated with improved EFS, OS, and CR rate included low aaIPI score and baseline CD4 count of at least 100/ul. Additionally patients treated with concurrent R-EPOCH exhibited improved EFS and OS even when adjusted for prognostic covariates including aaIPI score and CD4 count (table 2). Conclusions: These findings suggest that treatment outcomes may be superior with concurrent R-EPOCH compared with R-CHOP, and support the design of an ongoing phase III trial comparing concurrent R-EPOCH with R-CHOP in immunocompetent patients with diffuse, large B-cell lymphoma (NCT00118209). This analysis provides additional level 2 evidence supporting the use of concurrent R-EPOCH in patients with HIV-associated lymphoma. Acknowledgments: This study is presented on behalf of the AIDS Malignancy Consortium. Disclosures: No relevant conflicts of interest to declare.


Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 589-589 ◽  
Author(s):  
Vicki A. Morrison ◽  
Fangxin Hong ◽  
Thomas M. Habermann ◽  
Richard I. Fisher ◽  
Bruce D. Cheson ◽  
...  

Abstract Abstract 589 Background: The initial results of this intergroup trial with median follow-up of 3.5 years (yrs) were previously reported (J Clin Oncol 24:3121, 2006). We present updated results with median follow-up of 9.4 yrs from induction therapy randomization, and 9.0 yrs from maintenance randomization. Methods: 632 patients (pts), age >60 yrs, with DLBCL were randomized to CHOP+rituximab 375 mg/m2 IV, administered Day -7, -3, and two days before cycles 3/5/7 (if given) (R-CHOP), versus CHOP, for two cycles beyond best response for 6–8 cycles total. Pts were stratified by the International Prognostic Index (IPI) (<3 vs >3). 415 pts responding to R-CHOP or CHOP were then randomized to maintenance rituximab 375 mg/m2 weekly times 4, every 6 months for 2 yrs starting 4 weeks after the last chemotherapy (MR, n=207), or observation (OBS, n=208). Results are presented for the 546 (267 R-CHOP; 279 CHOP) pts for induction, and 352 (174 MR; 178 observation) evaluable, centrally reviewed, maintenance pts. Failure-free survival (FFS) was the primary endpoint. The stratified weighted Cox regression was used to remove the effect of MR in comparing induction treatment, and stratified log-rank test used to assess maintenance effect. Results: Baseline characteristics and response to induction were balanced. 9-yr FFS and OS) are 35% and 44% for R-CHOP, and 25% and 37% for CHOP. Compared with CHOP, R-CHOP significantly prolonged FFS (p=.008), but not OS (p=.11). Pts were categorized into low-risk (LR) and high-risk (HR) groups according to their IPI (<3 or 33) (LR, n=217; HR, n=327). A significant difference in the effect of induction therapy was observed for high-risk patients only for FFS (p=0.02, HR=0.61, 95% CI, 0.51 to 0.93) but not for OS. MR significantly prolonged FFS (log-rank p=0.018, HR=0.71, 95%CI, 0.54 to 0.94), but not OS (p=0.44, HR=0.89, 95%CI, 0.65 to 1.20). A significant interaction between maintenance and induction therapies was observed in that MR significantly prolonged FFS after CHOP (p=0.003, HR=0.56, 95%CI, 0.38 to 0.82), but not after R-CHOP (p=0.89, HR=0.97, 95% CI, 0.64 to 1.47). There was no OS difference with MR after CHOP (p=0.19, HR=0.76, 95% CI. 0.50 to 1.15) or R-CHOP (p=0.77, HR=1.07, 95% CI, 0.68 to 1.68). Median time to failure after maintenance randomization following CHOP+MR was 9.5 yrs vs 2.0 yrs for CHOP+OBS (p=0.003) and following R-CHOP+MR was 8.5 yrs vs 7.5 yrs for R-CHOP+OBS (p=NS). Proportionately more treatment failures occurred within 2 yrs after CHOP+OBS (73%) compared to CHOP+MR (47%), p=0.01. In contrast, the proportion of failures within 2 yrs was similar for R-CHOP+OBS (38%) and R-CHOP+MR (36%), p=NS. Conclusions: Initial R-CHOP therapy, as compared with CHOP, resulted in improved DFS and FFS for older DLBCL pts. MR after CHOP, but not after R-CHOP, significantly prolonged time to failure but did not prolong OS. However, FFS was 42% at 9 yrs among R-CHOP responders, with or without MR. Future treatment strategies should build upon these findings in this older patient population, often with significant co-morbidities. Disclosures: Morrison: merck: Consultancy, Membership on an entity's Board of Directors or advisory committees; celgene: Consultancy, Speakers Bureau; amgen: Consultancy, Speakers Bureau; genentech: Speakers Bureau; pfizer: Speakers Bureau. Fisher:roche: Consultancy. Horning:Genentech: Employment.


Sign in / Sign up

Export Citation Format

Share Document