scholarly journals Is It Necessary to Combine Glucocorticoid in Newly Diagnosed ITP Infant Under 1 Year-Old with Severe Thrombocytopenia When Based on Intravenous Immunoglobulin Treatment ?

Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 2368-2368
Author(s):  
Shayi Jiang ◽  
Eric S. Sandler ◽  
Hui Jiang
Keyword(s):  
Side Effects ◽  
Intravenous Immunoglobulin ◽  
Response Rate ◽  
Complete Response Rate ◽  
Complete Response ◽  
Severe Thrombocytopenia ◽  
Newly Diagnosed ◽  
Older Children ◽  
Significant Difference ◽  
Glucocorticoid Side Effects

Objective: Children with immune thrombocytopenia (ITP) are mostly self-limited, so they are usually observed closely and not need treatment in the clinical work. However, for children with platelet<10×109/L or platelet <20×109/L accompanied with obvious hemorrhagic tendency, intravenous immunoglobulin (IVIG) combined with glucocorticoids is commonly used on prevent severe bleeding. The purpose of this study is to investigate whether glucocorticoids are required at the same time in ITP children who need intravenous gamma globulin to rapidly increase platelet level. Method: 210 newly diagnosed ITP children with severe thrombocytopenia (platelet <20×109/L with obvious bleeding tendency) were randomly assigned to the non-glucocorticoid group and glucocorticoid group. The former was treated with IVIG alone, while the latter was treated with a combination of IVIG and glucocorticoid. Then each group was further divided into the infant group (<1 year old) and the older children group (≥1 year old). Clinical index such as complete response rate, relapse rate, duration of therapy and glucocorticoid side effects were analyzed and compared in each group. Results: ①The complete response rate showed no statistically differences (P>0.05) among the non-glucocorticoid infant group (95.65%) and glucocorticoid infant group (92.50%), but significant differences in the older children groups with or without glucocorticoid (100% vs 92.31%, χ²=4.720, P=0.03). ②Regard the relapse rate, it was statistically lower in non-glucocorticoid infant group than in non-glucocorticoid older children group (10.41% vs 53.35%, χ²=21.685, P<0.001); in the glucocorticoid older children group than in the non-glucocorticoid older children group (21.05% vs 53.45%, χ²=12.888, P <0.001). No statistical significance was proved among glucocorticoid infant group and non-glucocorticoid infant group (12.5% vs 10.41%, P>0.05). ③After treatment for 72 h, There was no significant difference in the number of children with the platelet count >50×109/L between glucocorticoid group and non-glucocorticoid group. ④There was a significant difference for the duration of therapy between the non-glucocorticoid group (4d) and glucocorticoid group (2 months)(Ζ=-7.430, P<0.001). ⑤32.5% patients of the glucocorticoid infant group suffered from infections, that was higher than in the non-glucocorticoid infant group(11.63%), and there was marked significance(χ²=7.031, P=0.008). The incidence of Cushing's syndrome in the infant glucocorticoid group (42.5%) was as the same as that in the older children glucocorticoid group (36.84%). No corticosteroid-related side effects were observed in all non-glucocorticoid groups. Conclusions: Intravenous immunoglobulin (IVIG) is accepted as an effective treatment for newly diagnosed infant ITP with platelet counts<20×109/L, combination with glucocorticoid provided no significant benefit for the complete response and preventing relapse, on the contrary, may lead to high risk for infections and increasing glucocorticoid side-effects. IVIG combined with glucocorticoid can make significant clinical efficacy improvement in the older children group. Key words: Immune thrombocytopenia; Intravenous immunoglobulin; glucocorticoid; Children; Relapse Disclosures No relevant conflicts of interest to declare.

scholarly journals Optimized duration of antituberculosis treatment for managing female genital tuberculosis: real-world experience from a high prevalence region in Eastern China

2020 ◽  
Author(s):  
Jian Sun ◽  
Wenjie Wang ◽  
Jing Ding ◽  
Yusheng Cheng ◽  
Yunfeng Zhou ◽  
...  
Keyword(s):  
Side Effects ◽  
Response Rate ◽  
Complete Response Rate ◽  
Complete Response ◽  
Single Side ◽  
Female Genital Tuberculosis ◽  
Group A ◽  
Intent To Treat ◽  
Group B ◽  
Female Genital

Abstract Background Duration of antituberculosis therapy (ATT) for managing female genital tuberculosis (FGTB) is controversial with the intermittent regimen no more advocated. We therefore conducted a prospective, real-world research to compare 6 months and 9 months of ATT.Methods Between 2012 and 2018, 109 drug-susceptible patients newly diagnosed with FGTB and/or tuberculous peritonitis (genital, 13; peritoneal, 34; mixed, 62) received naïve treatment for 9-12 months and further 18-month follow-up. Data on disease features at baseline and long-term outcome (intent-to-treat) were compared between group A (aged 18-35 yr) and group B (aged 36-81 yr). Efficacy and side effects of treatment were compared within each group 6 months and 9 months from ATT initiation (per-protocol), respectively. Results In contrast to group B at baseline, group A had more clinical evidence predicting active tuberculosis (P < 0.05), severer performance of genital lesions and pelvic adhensions (P < 0.05), more signs of active pulmonary tuberculosis (P < 0.01), and less performance of only TBP (P < 0.01). Intent-to-treat analysis showed higher incidence of overall single side effects and poor compliance in group B (P < 0.05), and similar recurrence rate between 2 groups. Per-protocol analysis showed increased complete response rate (P < 0.01) and similar incidence of side effects (P > 0.05) in group A, similar complete response rate (P > 0.05) and increased incidence of overall single side effects (P < 0.05) in group B at 9-month duration.Conclusions Younger females with FGTB had a greater risk of systemic infection of tuberculosis compared to older ones. Nine-month ATT using daily therapy proved to be beneficial for younger patients at reproductive age. Six-month option was suitable for older patients for reducing side effects and poor compliance in the duration of treatment.

scholarly journals Optimized duration of antituberculosis treatment for managing female genital tuberculosis: real-world experience from a high prevalence region in Eastern China

2020 ◽  
Author(s):  
Jianghua Yang ◽  
Jian Sun ◽  
Wenjie Wang ◽  
Jing Ding ◽  
Yusheng Cheng ◽  
...  
Keyword(s):  
Side Effects ◽  
Response Rate ◽  
Complete Response Rate ◽  
Complete Response ◽  
Single Side ◽  
Female Genital Tuberculosis ◽  
Group A ◽  
Intent To Treat ◽  
Group B ◽  
Female Genital

Abstract Background Duration of antituberculosis therapy (ATT) for managing female genital tuberculosis (FGTB) is controversial with the intermittent regimen no more advocated. We therefore conducted a prospective, real-world research to compare 6 months and 9 months of ATT. Methods Between 2012 and 2018, 109 drug-susceptible patients newly diagnosed with FGTB and/or tuberculous peritonitis (genital, 13; peritoneal, 34; mixed, 62) received naïve treatment for 9–12 months and further 18-month follow-up. Data on disease features at baseline and long-term outcome (intent-to-treat) were compared between group A (aged 15–35 years) and group B (aged ≥ 36 years). Efficacy and side effects of treatment were compared within each group 6 months and 9 months from ATT initiation (per-protocol), respectively. Results In contrast to group B at baseline, group A had more clinical evidence predicting active tuberculosis (P < 0.05), severer performance of genital lesions and pelvic adhensions (P < 0.05), more signs of active pulmonary tuberculosis (P < 0.01), and less performance of only TBP (P < 0.01). Intent-to-treat analysis showed higher incidence of overall single side effects and poor compliance in group B (P < 0.05), and similar recurrence rate between 2 groups. Per-protocol analysis showed increased complete response rate (P < 0.01) and similar incidence of side effects (P > 0.05) in group A, similar complete response rate (P > 0.05) and increased incidence of overall single side effects (P < 0.05) in group B at 9-mo duration. Conclusions Younger females with FGTB had a greater risk of systemic infection of TB compared to older ones. Nine-month ATT using daily therapy proved to be beneficial for younger patients at reproductive age. Six-month option was suitable for older patients for improving the side effects and poor compliance in the duration of treatment.

Efficacy of Photodynamic Therapy for the Treatment of Bowen’s Disease: A Meta-Analysis of Randomized Controlled Trials

Dermatology ◽  
2021 ◽  
pp. 1-9
Author(s):  
Wen-Li Xue ◽  
Jia-Qi Ruan ◽  
Hong-Ye Liu ◽  
Hong-Xia He
Keyword(s):  
Photodynamic Therapy ◽  
Response Rate ◽  
Complete Response Rate ◽  
Meta Analysis ◽  
Complete Response ◽  
Risk Of Bias ◽  
Bowen’S Disease ◽  
Bowen's Disease ◽  
Randomized Controlled ◽  
Significant Difference

<b><i>Background:</i></b> Photodynamic therapy is an established treatment option for Bowen’s disease. Our meta-analysis was aimed at evaluating the efficacy and recurrence of photodynamic therapy or other topical treatments (5-fluorouracil, cryotherapy) and of photodynamic therapy alone or in combination with other therapies (ablative fractional CO<sub>2</sub> laser or plum-blossom needle) for the treatment of Bowen’s disease. <b><i>Methods:</i></b> Trials that met our inclusion criteria were identified from PubMed, EMBASE, Web of Science, and Cochrane Library databases, and meta-analyses were conducted with RevMan V.5.4. The risk of bias was estimated with the Cochrane Collaboration’s risk of bias tools. Complete response rate, recurrence, pain/visual analogue scale score, cosmetic outcome, and adverse events were considered as outcomes. <b><i>Results:</i></b> Of the 2,439 records initially retrieved, 8 randomized controlled trials were included in this meta-analysis. According to our analyses, photodynamic therapy exhibited a significantly higher complete response rate (RR = 1.36, 95% CI [1.01, 1.84], <i>I</i><sup>2</sup> = 86%, <i>p</i> = 0.04), less recurrence (RR = 0.53, 95% CI [0.30, 0.95], <i>I</i><sup>2</sup> = 0%, <i>p</i> = 0.03), and better cosmetic outcome (RR = 1.34, 95% CI [1.15, 1.56], <i>I</i><sup>2</sup> = 0%, <i>p</i> = 0.0002) compared with other treatments. Moreover, there was a significant difference between the complete response rate of photodynamic therapy combined with ablative fractional CO<sub>2</sub> laser and that of photodynamic therapy (RR = 1.85, 95% CI [1.38, 2.49], <i>I</i><sup>2</sup> = 0%, <i>p</i> &#x3c; 0.0001). Photodynamic therapy combined with ablative fractional CO<sub>2</sub> laser or plum-blossom needle also showed significantly less recurrence (RR = 0.21, 95% CI [0.09, 0.51], <i>I</i><sup>2</sup> = 0%, <i>p</i> = 0.0005) and a lower visual analogue scale score (RR = 0.51, 95% CI [0.06, 0.96], <i>I</i><sup>2</sup> = 0%, <i>p</i> = 0.03) than photodynamic therapy alone. However, there was no significant difference in the complete response rate between photodynamic therapy combined with ablative continuous CO<sub>2</sub> laser and photodynamic therapy combined with ablative fractional CO<sub>2</sub> laser (RR = 1.00, 95% CI [0.54, 1.86], <i>I</i><sup>2</sup> not applicable, <i>p</i> = 1.00). <b><i>Conclusions:</i></b> This meta-analysis shows that photodynamic therapy can be used in the treatment of Bowen’s disease with better efficacy, less recurrence, and better cosmetic outcomes than cryotherapy and 5-FU. Some methods, including ablative fractional CO<sub>2</sub> laser, can be applied in combination with photodynamic therapy to improve efficacy. However, which laser-assisted photodynamic therapy scheme has the most advantages in the treatment of Bowen’s disease warrants further exploration.

scholarly journals Treatment of cutaneous lichen planus with ALA-mediated topical photodynamic therapy

2015 ◽  
Vol 08 (01) ◽  
pp. 1540004 ◽  
Author(s):  
Zhi-Xia Fan ◽  
Ling-Lin Zhang ◽  
Hong-Wei Wang ◽  
Pei-Ru Wang ◽  
Zheng Huang ◽  
...  
Keyword(s):  
Photodynamic Therapy ◽  
Side Effects ◽  
Lichen Planus ◽  
Clinical Assessment ◽  
Response Rate ◽  
Aminolevulinic Acid ◽  
Complete Response Rate ◽  
Complete Response ◽  
Chinese Patients

Purpose: To evaluate the effectiveness of topical 5-aminolevulinic acid (ALA)-mediated photodynamic therapy (PDT) for the treatment of cutaneous lichen planus (LP). Methods: A total of 17 symptomatic LP lesions in 7 Chinese patients were assessed. ALA cream (10%) was applied topically to LP lesions for 3 h. The lesions were irradiated with a 635 nm diode laser at the dose level of 100 J/cm2. The treatment was repeated at two-week intervals. Clinical assessment was conducted before each treatment. Follow-up was performed once a month for up to six months. Results: Lesions showed significant improvement after one to four courses of treatments. Complete response was achieved in 13 lesions (five patients) and partial remission in four lesions (two patients). The complete response rate was 71%. There was no significant side effects except the feeling of pain that most patients could tolerate. Follow-up of five patients who achieved complete response showed no signs of recurrence. Conclusion: Topical ALA PDT is effective in the treatment of cutaneous LP.

scholarly journals Brentuximab Vedotin Combined With Chemotherapy in Patients With Newly Diagnosed Early-Stage, Unfavorable-Risk Hodgkin Lymphoma

2021 ◽  
pp. JCO.21.00108
Author(s):  
Anita Kumar ◽  
Carla Casulo ◽  
Ranjana H. Advani ◽  
Elizabeth Budde ◽  
Paul M. Barr ◽  
...  
Keyword(s):  
Hodgkin Lymphoma ◽  
Response Rate ◽  
Complete Response Rate ◽  
Early Stage ◽  
Progression Free Survival ◽  
Complete Response ◽  
Brentuximab Vedotin ◽  
Newly Diagnosed ◽  
Bulky Disease ◽  
Involved Site Radiotherapy

PURPOSE To improve curability and limit long-term adverse effects for newly diagnosed early-stage (ES), unfavorable-risk Hodgkin lymphoma. METHODS In this multicenter study with four sequential cohorts, patients received four cycles of brentuximab vedotin (BV) and doxorubicin, vinblastine, and dacarbazine (AVD). If positron emission tomography (PET)-4–negative, patients received 30-Gy involved-site radiotherapy in cohort 1, 20-Gy involved-site radiotherapy in cohort 2, 30-Gy consolidation-volume radiotherapy in cohort 3, and no radiotherapy in cohort 4. Eligible patients had ES, unfavorable-risk disease. Bulk disease defined by Memorial Sloan Kettering criteria (> 7 cm in maximal transverse or coronal diameter on computed tomography) was not required for cohorts 1 and 2 but was for cohorts 3 and 4. The primary end point was to evaluate safety for cohort 1 and to evaluate complete response rate by PET for cohorts 2-4. RESULTS Of the 117 patients enrolled, 116 completed chemotherapy, with the median age of 32 years: 50% men, 98% stage II, 86% Memorial Sloan Kettering–defined disease bulk, 27% traditional bulk (> 10 cm), 52% elevated erythrocyte sedimentation rate, 21% extranodal involvement, and 56% > 2 involved lymph node sites. The complete response rate in cohorts 1-4 was 93%, 100%, 93%, and 97%, respectively. With median follow-up of 3.8 years (5.9, 4.5, 2.5, and 2.2 years for cohorts 1-4), the overall 2-year progression-free and overall survival were 94% and 99%, respectively. In cohorts 1-4, the 2-year progression-free survival was 93%, 97%, 90%, and 97%, respectively. Adverse events included neutropenia (44%), febrile neutropenia (8%), and peripheral neuropathy (54%), which was largely reversible. CONCLUSION BV + AVD × four cycles is a highly active and well-tolerated treatment program for ES, unfavorable-risk Hodgkin lymphoma, including bulky disease. The efficacy of BV + AVD supports the safe reduction or elimination of consolidative radiation among PET-4–negative patients.

scholarly journals Pegylated Liposomal Doxorubicin in Vindesine-Based and Bortezomib-Based Regimens for Patients With Newly Diagnosed Multiple Myeloma: A Retrospective Study of Efficacy and Safety

2021 ◽  
Vol 11 ◽  
Author(s):  
Yujia Zhai ◽  
Dai Yuan ◽  
Xueling Ge ◽  
Shunfeng Hu ◽  
Peipei Li ◽  
...  
Keyword(s):  
Multiple Myeloma ◽  
Retrospective Study ◽  
Liposomal Doxorubicin ◽  
Response Rate ◽  
Complete Response Rate ◽  
Statistical Significance ◽  
Pegylated Liposomal Doxorubicin ◽  
Complete Response ◽  
Newly Diagnosed ◽  
Good Partial Response

PurposeAlthough pegylated liposomal doxorubicin (PLD) has been approved in combination with bortezomib for relapsed/refractory multiple myeloma (MM), the antitumor efficacy and tolerability of PLD in different regimens for patients with newly diagnosed MM (NDMM) have not been fully defined.MethodsA total of 249 NDMM patients diagnosed between January 2008 and October 2019 were included in this retrospective study. Among them, 112 patients received vindesine-based chemotherapy (35 vDD and 77 vAD) and 137 received bortezomib-based chemotherapy (58 VDD and 79 VD).ResultsIn bortezomib-containing regimens, the complete response rate (48.3 vs. 30.4%, p = 0.033) and very good partial response or better rate (74.1 vs. 57.0%, p = 0.038) of VDD were significantly higher than those of VD subgroup. While no superior survival was found between VDD and VD subgroup. In vindesine-containing regimens, no statistical significance was identified between vDD and vAD in terms of response rate and survival. The occurrence rates of all cardiac AEs were similar between VDD and VD.ConclusionsThe vDD regimen was similar with vAD in the aspect of response rate, survival, and toxicity in NDMM patients. The addition of PLD to VD brought deeper response without increased toxicity, while no superior survival was found.

Thalidomide in Multiple Myeloma - A Community Hospital Experience.

Blood ◽  
2005 ◽  
Vol 106 (11) ◽  
pp. 5140-5140 ◽  
Author(s):  
Homayoun Leon Daneschvar ◽  
Hamed Daw ◽  
Asif Chaudhry ◽  
Harris Taylor ◽  
Manmeet Ahluwalia ◽  
...  
Keyword(s):  
Multiple Myeloma ◽  
Side Effects ◽  
Partial Response ◽  
Community Hospital ◽  
Response Rate ◽  
Complete Response ◽  
M Protein ◽  
Newly Diagnosed ◽  
Number Of Patients

Abstract Multiple Myeloma accounts for 10% of malignant hematologic neoplasms. For the past 30 years, a combination of melphalan and prednisone has been the standard treatment for this disease. Nonetheless, it remains an incurable malignancy with a median survival that does not exceed three years. Recent evidence suggests that angiogenesis is increased in multiple myeloma and has prognostic value. Because of its anti-angiogenic properties, thalidomide has been employed as therapy and several trials show that thalidomide alone is active in 25% to 35% of patients with relapsed and refractory myeloma. Among previously untreated patients with more advanced and symptomatic disease, the combination of thalidomide-dexamethasone doubled the response rate to 72 % (in comparison to thalidomide alone) and induced remissions more rapidly. Objectives: To evaluate the efficacy and side effects of thalidomide in combination with glucocorticoid in previously untreated (newly diagnosed) and treated (refractory to other chemotherapies) multiple myeloma patients in a community hospital setting. Patients and Methods: We retrospectively identified eighty-four consecutive patients with multiple myeloma treated between September 1999 and October 2004 at the Cleveland Clinic Center at Fairview Hospital. The sixteen of eighty-four patients (Table 1) who had received thalidomide were selected for further study. The median starting dose was 150 mg/d. The maintenance dosage was 50–100 mg/d in accordance with tolerability. In addition to thalidomide all sixteen patients were receiving dexamethasone. All provided written informed consent prior to receiving treatment. The primary end point of the study was response rate, defined as complete (undetectable monoclonal M protein in the serum) or partial (greater than 50% reduction in serum monoclonal M protein level) Results: Three patients achieved a partial response in the refractory group and 2 in the newly diagnosed group. One patient achieved a complete response in the refractory group and four in newly diagnosed patients. Sixty percent of the patients in the refractory group and 100% of the newly diagnosed patients survived the follow up time (Table 2). Major side effects included sedation in four (25%), deep venous thrombosis in three (18.7%), neuropathy in three (18.7%) and constipation in two (12.5 %) of the patients. Conclusion: The combination of thalidomide and dexamethasone appears to show promising activity in patients with newly diagnosed and possibly with refractory MM. The combination induced a high frequency of response, rapid onset of remission, and low incidence of serious irreversible toxicity. However, ongoing randomized trials are still needed to define further the role of thalidomide with dexamethasone in the treatment of multiple myeloma. Table 1 Patients Characteristics Refractory patients Newly diagnosed patients Number of patients 10 6 Age (years) 66.3 60.5 Sex 7 male, 3 female 1 male, 5 female IgA type 3 3 IgG type 6 2 Biclonal 1 1 Table 2 Refractory patients Newly diagnosed patients Partial response 3 2 Complete response 1 4 No response 6 0 Median follow up (months) 25.2 11.3 Median progression free survival (months) 7.5 10 Diagnosis to start of thalidomide (months) 18.7 2.5 Time on thalidomide (months) 14.2 11.2 Number of deaths (during follow up time) 4 0

Dose-Dense Sequential Chemotherapy With Epirubicin and Paclitaxel Versus the Combination, as First-Line Chemotherapy, in Advanced Breast Cancer: A Randomized Study Conducted by the Hellenic Cooperative Oncology Group

2001 ◽  
Vol 19 (8) ◽  
pp. 2232-2239 ◽  
Author(s):  
George Fountzilas ◽  
Christos Papadimitriou ◽  
Urania Dafni ◽  
Dimitrios Bafaloukos ◽  
Dimosthenis Skarlos ◽  
...  
Keyword(s):  
Overall Response Rate ◽  
Response Rate ◽  
Complete Response Rate ◽  
Complete Response ◽  
First Line ◽  
Significant Difference ◽  
Group A ◽  
Dose Dense ◽  
Group B ◽  
Line Chemotherapy

PURPOSE: To compare the efficacy of two different schedules of epirubicin and paclitaxel, as first-line chemotherapy, in patients with advanced breast cancer (ABC). PATIENTS AND METHODS: From October 1997 until May 1999, 183 eligible patients with ABC entered the study. Chemotherapy in group A (93 patients) consisted of four cycles of epirubicin at a dose of 110 mg/m2 followed by four cycles of paclitaxel at a dose of 225 mg/m2 in a 3-hour infusion. All cycles were repeated every 2 weeks with granulocyte colony-stimulating factor support. The therapeutic regimen in group B (90 patients) consisted of epirubicin (80 mg/m2) immediately followed by paclitaxel (175 mg/m2 in a 3-hour infusion) every 3 weeks for six cycles. RESULTS: In total, 79 patients (85%) in group A and 72 patients (80%) in group B completed treatment. The median relative dose-intensity of epirubicin was 0.96 in both groups, and that of paclitaxel was 0.96 and 0.97 in groups A and B, respectively. The complete response rate was higher in group A (21.5% v 9% P = .02). Nevertheless, there was no significant difference in the overall response rate between the two groups (55% v 42%, P = .10). Severe neutropenia was more frequently observed with concurrent treatment. After a median follow-up of 16.5 months, median time to progression was 10 months in group A and 8.5 months in group B (P = .27), and median survival was 21.5 and 20 months, respectively (P = .17). CONCLUSION: The present study failed to demonstrate a significant difference in overall response rate between dose-dense sequential administration of epirubicin and paclitaxel compared with the combination of the two drugs given on the same day, even though the sequential treatment resulted in a significantly higher complete response rate.

The Effect of Adding Rituximab to CHOP-Based Therapy on Clinical Outcomes for Patients In Different Subgroups of DLBCL

Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 4893-4893
Author(s):  
Shenxian Qian ◽  
Daquan Gao ◽  
Pengfei Shi ◽  
Junfeng Tan ◽  
Ling Wang ◽  
...  
Keyword(s):  
B Cell ◽  
Germinal Center ◽  
Response Rate ◽  
Complete Response Rate ◽  
Cell Lymphoma ◽  
B Cell Lymphoma ◽  
Complete Response ◽  
Newly Diagnosed ◽  
Large B Cell Lymphoma ◽  
Large B Cell

Abstract Abstract 4893 The addition of rituximab to cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) has been shown to improve the outcome in all age groups with newly diagnosed diffuse large B-cell lymphoma (DLBCL). We conducted a retrospective analysis to evaluate the impact on clinical outcomes of adding rituximab to cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) treatment for diffuse large B-cell lymphoma (DLBCL) patients in china. A propensity score method was used to compensate for the non-randomized study design. From January 2004 to December 2009, 68 patients were newly diagnosed with DLBCL Using Hans' algorithm based on CD10, BCL-6, and MUM1, the non-germinal center (N-GCB) subgroup 45(66.2%) and germinal center B-cell-like (GCB) 23(33.8%). 32 in the rituximab plus CHOP-based chemotherapy (R+) group, and 36 in the CHOP-based chemotherapy only (R-) group. The complete response rate was significantly higher in the R+ group than in the R- group (81.1 vs. 68.1%, P < 0.005,); The complete response rate of N-GCB and GCB in the R+ group was78.2% and 82.1%, p>0.05 respectively. The complete response rate of N-GCB and GCB in the R- group was58.2% and 71.3 %, p P < 0.001. The rituximab can overcome poor outcomes for N-GCB subgroup of DLBCL. The progression-free survival (PFS) at 2 years was 62.4% in the R+ group and 57.0% in the R- group. The 2-year overall survival (OS) was 76.9% for the R+ group and 69.5% for the R- group, P < 0.001. The 2-year overall survival (OS) was 72% in N-GCB Subgroup and 78% in GCB Subgroup for the R+ group, and 48% in N-GCB Subgroup and 68% in GCB Subgroup for the R- group. A multivariate analysis revealed that the addition of rituximab was a strong independent prognostic factor for PFS (hazard ratio 0.64, 95% CI 0.43–0.96, P = 0.031). A subgroup analysis revealed that R+ particularly benefited N-GCB subgroup patients). IPI also showed significant impact for PFS (hazard ratio 1.72, 95% CI 1.34–2.14 for one score increase, P < 0.001 as well as OS P < 0.001. In summary, the addition of rituximab to CHOP-based chemotherapy results in better outcomes for DLBCL patients, particularly patients N-GCB subgroup of DLBCL. Disclosures: No relevant conflicts of interest to declare.

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