Phase II study of ifosfamide, carboplatin and etoposide (ICE) in recurrent glioblastoma

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 2066-2066
Author(s):  
T. Aoki ◽  
K. Nojima ◽  
T. Mizutani ◽  
M. Ishikawa ◽  
A. Takasu ◽  
...  
Keyword(s):  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Trial ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
Recurrent Glioblastoma ◽  
First Line ◽  
Open Label ◽  
Free Survival ◽  
Secondary Endpoints

2066 Background: To evaluate the efficacy and tolerability of ifosfamide, carboplatin and etoposide ( ICE ) in patients with recurrent glioblastoma. Methods: This was an open-label, single-center phase II trial. Forty-two patients with first recurrent glioblastoma after surgery, standard radiotherapy and a first-line temozolomide-based or ACNU-based chemotherapy, were enrolled.The primary endpoint was progression-free survival at 6 months ( PFS-6 ), and secondary endpoints were response rate, toxicity, and survival. Chemotherapy consisted of Ifosfamide ( 700 mg / m2 on day 1, 2 and 3 ), carbopaltin ( 100 mg / m2 on day 1 ), etoposide ( 70 mg / m2 on day 1, 2, and 3 ), every 6 weeks. Results: PFS-6 was 37 %. The median PFS was 17 weeks. Response rate was 27 %. Adverse events were generally mild ( grade 1 or 2 ) and consisted mainly of alopecia. Conclusions: This regimen is well tolerated and has activity in patients with recurrent glioblastoma. No significant financial relationships to disclose.

scholarly journals Rationale and design of a phase II trial of durvalumab treatment in patients with NSCLC ineligible for stage III chemoradiotherapy following radiation monotherapy (SPIRAL-RT study)

2020 ◽  
Vol 12 ◽  
pp. 175883592092784 ◽  
Author(s):  
Tadaaki Yamada ◽  
Junji Uchino ◽  
Yusuke Chihara ◽  
Takayuki Shimamoto ◽  
Masahiro Iwasaku ◽  
...  
Keyword(s):  
Phase Ii ◽  
Antitumor Agents ◽  
Phase Ii Trial ◽  
Locally Advanced ◽  
Progression Free Survival ◽  
Stage Iii ◽  
Open Label ◽  
Free Survival ◽  
The Pacific ◽  
Secondary Endpoints

Background: In the PACIFIC study, progression-free survival (PFS) and overall survival (OS) of patients with unresectable, locally advanced, stage III non-small cell lung cancer (NSCLC) were prolonged by durvalumab as maintenance therapy after radical concurrent chemoradiotherapy using platinum-based antitumor agents. However, no data were obtained to reveal the efficacy of durvalumab after radiation monotherapy in patients unsuitable for chemoradiotherapy. Here, we describe an ongoing single-arm, prospective, open-label, multicenter phase II trial of durvalumab in patients with NSCLC ineligible for stage III chemoradiotherapy following radiation monotherapy (SPIRAL-RT study). Methods: Durvalumab at 10 mg/kg body weight is administered every 2 weeks after radiation therapy until individual patients meet the discontinuation criteria. The treatment duration is up to 12 months. The primary endpoint is the 1-year PFS rate. Secondary endpoints are response rate, PFS, OS, and safety. Durvalumab treatment after radiation monotherapy is expected to prolong 1-year PFS rate and have acceptable adverse events. Discussion: We are conducting an intervention study to investigate the safety and efficacy of durvalumab treatment in patients with NSCLC ineligible for stage III chemoradiotherapy following radiation monotherapy.

Phase II study alternating mFOLFOX 6 and FOLFIRI (FIREFOX) plus bevacizumab (bev) regimen in first-line treatment of advanced colorectal cancer in Japanese patients (KSCC 0801).

2012 ◽  
Vol 30 (4_suppl) ◽  
pp. 602-602
Author(s):  
Yutaka Ogata ◽  
Yoshito Akagi ◽  
Yoshihiro Kakeji ◽  
Yasunori Emi ◽  
Eiji Oki ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Phase Ii ◽  
Advanced Colorectal Cancer ◽  
Response Rate ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
First Line ◽  
Eligibility Criteria ◽  
Free Survival ◽  
Ecog Ps

602 Background: The Kyushu Study group of Clinical Cancer conducted a phase II study that evaluated the FIREFOX regimen. (KSCC0701, Akagi et al, J Clin Oncol 28:15s, 2010). This study demonstrated the efficacy and mild neurotoxicity of this regimen. The present study evaluated the efficacy and safety of the FIREFOX plus bevacizumab (bev). Methods: Eligibility criteria included histologically confirmed advanced colorectal cancer, ECOG PS 0-2 and adequate bone marrow, renal and hepatic function. Patients (pts) received an alternating regimen of 4 cycles of mFOLFOX-6 plus bev (oxaliplatin 85 mg/m2, leucovorin 200 mg/m2, bev 5 mg/kg d1 followed by 400 mg/m2 bolus 5-FU and a 46-hr 2,400 mg/m2 5-FU infusion every 2 weeks) followed by 4 cycles of FOLFIRI plus bev (oxaliplatin replaced with irinotecan 150 mg/m2 d1). This schedule was repeated until unacceptable toxicity or disease progression occurred. The primary endpoint is progression-free survival. (UMIN000001312) Results: Of the 52 pts enrolled from May 2008 to July 2009. Two of the patients did not fulfill the eligibility criteria. M/F, 30/20; median age, 59.5 years (range 37 - 75); ECOG PS 0/1/2, 46/4/0. The median number of administration cycles was 14 (range, 2 - 44). Response rate (RECIST criteria) for CR, PR, SD, PD and NE were 2 (4%), 28 (56%), 14 (28%), 4 (8%) and 2 (4%), respectively. An overall response rate was 60% (95% CI: 45 - 74%). Median progression-free survival was14.2 M (95% CI: 10.6 M-16.3 M) and median overall survival was 27.5 M (95% CI; 22.4 M – not determined). The 2-year survival rate was 56.8%. Of the 52 pts evaluated for toxicity. The most common grade 3-4 adverse events were leukopenia (7.7%), neutropenia (32.7%), anemia (1.9%), fatigue (9.6%), anorexia (13.5%), stomatitis (3.8%), neurotoxicity (3.8%), hypertension (1.9%), diarrhea (7.7%), febrile neutropenia (3.8%), nausea (9.6%), vomiting (5.8%), hypersensitivity (3.8%), and thromboembolism (1.9%). Conclusions: The results of this phase II study show that the FIREFOX plus bev regimen is effective and well tolerated in the first-line treatment of advanced colorectal cancer. The low rate of neurotoxicity is also promising.

Phase II study of ifosfamide, carboplatin, and etoposide in patients with a first recurrence of glioblastoma multiforme

2010 ◽  
Vol 112 (1) ◽  
pp. 50-56 ◽  
Author(s):  
Tomokazu Aoki ◽  
Tomohiko Mizutani ◽  
Kuniharu Nojima ◽  
Takehisa Takagi ◽  
Ryosuke Okumura ◽  
...  
Keyword(s):  
Glioblastoma Multiforme ◽  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
Recurrent Glioblastoma Multiforme ◽  
Open Label ◽  
Free Survival ◽  
Quality Life ◽  
First Recurrence

Object The prognosis of recurrent glioblastoma multiforme (GBM) remains unsatisfactory. The authors conducted a Phase II study of ifosfamide, carboplatin, and etoposide (ICE) for a first recurrence of GBM to determine whether it prolonged a patient's good-quality life. Methods This trial was an open-label, single-center Phase II study. Forty-two patients with a first GBM relapse after surgery followed by standard radiotherapy (60 Gy) and first-line temozolomide- or nimustine-based chemotherapy were eligible to participate. The primary end point was progression-free survival at 6 months after the ICE treatment (PFS-6), and secondary end points were response rate, toxicity, and overall survival. Chemotherapy consisted of ifosfamide (1000 mg/m2 on Days 1, 2, and 3), carboplatin (110 mg/m2 on Day 1), etoposide (100 mg/m2 on Days 1, 2, and 3), every 6 weeks. Results Progression-free survival at 6 months after ICE treatment was 35% (95% CI 22–50%). The median duration of PFS was 17 weeks (95% CI 10–24 weeks). The response rate was 25% (95% CI 9–34%). Adverse events were generally mild and consisted mainly of alopecia. Conclusions This regimen was well tolerated and has some activity and could be one of the options for patients with recurrent GBM.

An open-label, phase II trial of nanoparticle albumin bound paclitaxel (nab-paclitaxel), carboplatin, and bevacizumab in first-line patients with advanced non-squamous non-small cell lung cancer (NSCLC)

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 7610-7610 ◽  
Author(s):  
C. Reynolds ◽  
D. Barrera ◽  
D. Q. Vu ◽  
R. Jotte ◽  
A. I. Spira ◽  
...  
Keyword(s):  
Phase Ii ◽  
Phase Ii Trial ◽  
Progression Free Survival ◽  
First Line ◽  
Open Label ◽  
Free Survival ◽  
Santa Monica ◽  
Open Label Phase ◽  
Study Completion ◽  
Grade 3

7610 Background: The development of nab-paclitaxel has circumvented many of the infusion difficulties that are associated with standard solvent based paclitaxel (in cremophor). In this open label, phase II trial, patients with advanced (stage IIIB or IV) nonsquamous NSCLC received the combination of nab-paclitaxel, carboplatin and bevacizumab. Methods: 50 patients were enrolled between October 2005 and April 2006. Patients received intravenous (IV) nab-paclitaxel 300 mg/m2, carboplatin IV AUC=6, and bevacizumab 15 mg/kg on day 1 of each 21-day cycle. Responding patients received at least 4 cycles of treatment; however, therapy was discontinued for patients with progression or intolerable toxicity. The primary endpoint was response rate based on RECIST. Results: The median patient age was 67 years; 80% were white and 56% were female. Patients received a median of 4 cycles (range, <1–6). The preliminary efficacy results are PR 30% and SD 48%; no complete responses were noted. Median progression-free survival was 7.1 months (range, <1–10.6); median survival has not yet been reached. Grade 3–4 treatment related toxicities were neutropenia (52%); fatigue (19%); neuropathy (15%); thrombocytopenia (10%) dyspnea (6%), anorexia, constipation, febrile neutropenia, hemoptysis, and nausea and/or vomiting (4% each). 64% of patients are currently alive. 32 patients have come off study, prior to 4 cycles due to disease progression (12%), adverse event (10%), investigator request (8%), sudden death (6%), and withdrawal of consent (2%); 16 patients had normal study completion (completed 4 cycles of therapy). Conclusions: This combination of nab-paclitaxel, carboplatin and bevacizumab was well tolerated, with moderate neutropenia. Adverse events were manageable. The preliminary analysis from this study indicates that this combination has promising activity in first-line patients with non-squamous NSCLC. This research was supported, in part, by a research grant from Abraxis BioScience, Inc., Santa Monica, CA. No significant financial relationships to disclose.

Multicenter phase II study evaluating docetaxel (D) and cisplatin (C) as an induction regimen prior to surgery or radiochemotherapy (RCT) with D, followed by adjuvant D in chemonaive patients with NSCLC: TAX-AT1–203

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 7702-7702
Author(s):  
R. Greil ◽  
W. Pfeifer ◽  
N. Vetter ◽  
J. Eckmayr ◽  
O. Burghuber ◽  
...  
Keyword(s):  
Overall Survival ◽  
Induction Chemotherapy ◽  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
Free Survival ◽  
Secondary Endpoints ◽  
Grade 3 ◽  
D 20

7702 Background: This phase II study evaluated operable and unresectable patients (pts) treated with induction chemotherapy with DC to assess the response rate and conversion to resectability. Furthermore, the feasibility and efficacy of radiosensitizing with D was tested in unresectable pts undergoing RCT. The feasibility of adjuvant D was investigated in all patients. Study Design: Pts with stages II, IIIA and IIIB NSCLC were treated with 3 cycles of 3-wkly neoadjuvant D (75 mg/m2 d 1) and C (40 mg/m2 d1, 2). Within 4 wk after induction, pts were either resected or treated with RCT (2 Gy × 5d for 6 wk) and D 20 mg/m2 wkly × 6 cycles. Within 4–8 wk after definitive RCT or surgery, 3 cycles of adjuvant D 75 mg/m2 q3wk were initiated. Adjuvant RT was allowed in non-R0 resected cases. The primary endpoint was response rate to induction; secondary endpoints included resectability after induction, progression-free survival, overall survival, and safety. Results: 77 pts were included: age 60 yr [46–76 yr], males 78%, stages (II/IIIA/IIIB: 8%/39%/52%), primary resectability n=22 (29%), primary unresectability n=55 (71%). 59 patients were evaluable after induction chemotherapy, of whom 66% achieved a PR, 23% had stable disease, and 10% progressed. The PR rate was 73% in initially resectable and 63% in initially unresectable pts. 67 pts were evaluable for resectability. 28/39 (72%) of PR patients were resectable. As a result of induction therapy, 19 pts (25%) became resectable, 18 (24%) remained resectable, 27 (35%) remained unresectable, and 3 (4%) became unresectable. Treatment had to be stopped in 11 pts during induction. Three pts, primarily unresectable (4%) died of toxicity. 53% of patients had a grade 3 or 4 toxicity. In evaluable pts, the median PFS was 350 [80–1495] days vs 192 [21–989] days for resectable and unresectable pts after induction, respectively, and overall survival was 491 vs 303 days. Conclusions: DC induction chemotherapy resulted in a promising PR rate and rate of secondary resectability. The toxicity is substantial. Results of efficacy and toxicity of radiosensitizing and adjuvant D are pending. No significant financial relationships to disclose.

scholarly journals Phase II study of metronomic treatment with daily oral vinorelbine as first-line chemotherapy in patients with advanced/metastatic HR+/HER2− breast cancer resistant to endocrine therapy: VinoMetro—AGO-B-046

2021 ◽  
Author(s):  
Slavomir Krajnak ◽  
Thomas Decker ◽  
Lukas Schollenberger ◽  
Christian Rosé ◽  
Christian Ruckes ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Phase Ii ◽  
Phase Ii Study ◽  
Metastatic Breast ◽  
Progression Free Survival ◽  
First Line ◽  
Open Label ◽  
Oral Vinorelbine ◽  
Her2 Breast Cancer ◽  
Line Chemotherapy

Abstract Purpose Metronomic chemotherapy (MCT) is an increasingly used treatment option in hormone receptor-positive (HR+)/human epidermal growth factor receptor 2-negative (HER2−) advanced/metastatic breast cancer (MBC) after failure of endocrine-based therapies. Methods VinoMetro was a multicentre, open-label, single-arm, phase II study of metronomic oral vinorelbine (VRL; 30 mg/day) as a first-line chemotherapy (CT) in patients with HR+/HER2− MBC after endocrine failure. The primary endpoint was the clinical benefit rate (CBR) at 24 weeks. Results Between January 2017 and April 2019, nine patients were enrolled. The CBR was 22.2% (90% confidence interval [CI] 4.1–55.0), p = 0.211. The median progression-free survival (PFS) was 12.0 weeks (95% CI 11.3–12.7). Grade 3–4 adverse events (AEs) occurred in 22.2% of patients. One patient died of febrile neutropenia. Conclusion VinoMetro (AGO-B-046) was closed early after nine patients and occurrence of one grade 5 toxicity in agreement with the lead institutional review board (IRB). Metronomic dosing of oral VRL in HR+/HER2− MBC as first-line CT after failure of endocrine therapies showed only limited benefit in this population. Trial registration number and date of registration ClinicalTrials.gov Identifier: NCT03007992; December 15, 2016.

Phase II trial of oxaliplatin as first-line chemotherapy in metastatic colorectal cancer patients. Digestive Group of French Federation of Cancer Centers.

1998 ◽  
Vol 16 (8) ◽  
pp. 2739-2744 ◽  
Author(s):  
Y Bécouarn ◽  
M Ychou ◽  
M Ducreux ◽  
C Borel ◽  
F Bertheault-Cvitkovic ◽  
...  
Keyword(s):  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Trial ◽  
Sensory Neuropathy ◽  
Progression Free Survival ◽  
Free Survival ◽  
Duration Of Response ◽  
Grade 3 ◽  
Colorectal Cancer Patients ◽  
Peripheral Sensory

PURPOSE To evaluate the objective tumor response rate and safety profile of oxaliplatin when administered to patients with previously untreated metastatic colorectal adenocarcinoma. PATIENTS AND METHODS A total of 39 patients were entered onto this phase II trial. One patient was excluded for having had a second cancer, so the study was based on 38 patients. Patients were treated with oxaliplatin 130 mg/m2 as a 2-hour infusion on day 1, every 21 days. Patients were assessed for response every three courses. All clinical and radiologic data were reviewed by an external panel of experts, with their assessment being considered definitive. RESULTS Nine partial responses (PRs) were observed (response rate, 24.3%; 95% confidence interval, 11.8% to 41.2%). The median duration of response was 216+ days. Fifteen patients (40.5%) had stable disease and 13 (35.2%) had progressive disease. The median progression-free survival time for all patients was 126+ days (range, 21 to 447+). The main toxicity was peripheral sensory neuropathy. Grade 3 neurotoxicity (National Cancer Institute common toxicity criteria [NCI-CTC]) was reported in 13%. Hematologic and gastrointestinal toxicities were mild. The incidence of grade 3 neutropenia was 5.2%, while that of grade 3 or 4 thrombopenia was 7.9%. Vomiting (grade 3 or 4) occurred in 7.9% of patients and grade 3 diarrhea in 2.6%. CONCLUSION This phase II study provides clear evidence of the safety and efficacy of oxaliplatin monotherapy at this dose and schedule in patients with previously untreated metastatic colorectal carcinoma.

A phase II study of irinotecan combined with S-1 in patients with advanced or recurrent cervical cancer previously treated with platinum based chemotherapy

2019 ◽  
Vol 29 (3) ◽  
pp. 474-479
Author(s):  
Seiji Mabuchi ◽  
Eriko Yokoi ◽  
Kotaro Shimura ◽  
Naoko Komura ◽  
Yuri Matsumoto ◽  
...  
Keyword(s):  
Cervical Cancer ◽  
Phase Ii ◽  
Response Rate ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
Recurrent Cervical Cancer ◽  
Free Survival ◽  
Platinum Based Chemotherapy ◽  
Previously Treated ◽  
Grade 3

ObjectivesWe conducted a phase II study to investigate the efficacy and toxicities of irinotecan plus oral S-1 in patients with advanced or recurrent uterine cervical cancer.MethodsPatients with advanced or recurrent cervical cancer previously treated with platinum based chemotherapy were enrolled. Irinotecan (150 mg/m2) was administered intravenously over the course of 90 min on day 1, and S-1 (80 mg/m2) was given orally in two divided doses from days 1 to 14 of a 21 day cycle. The primary endpoint of this phase II study was response rate. Secondary endpoints included safety, progression free survival, and overall survival.ResultsA total of 19 patients were enrolled and treated. The response rate was 29.4%. Grade 3–4 hematologic toxicities were observed in three patients (15.7%). The only grade 3–4 non-hematologic toxicity observed was grade 3 diarrhea. The median progression free survival and overall survival were 3 months and 9 months, respectively.ConclusionS-1 plus irinotecan in a 3 weekly setting is safe and active in women with advanced or recurrent cervical cancer previously treated with platinum based chemotherapy. Future corroborative clinical studies are warranted.

scholarly journals Randomized, Multicenter, Phase II Trial of Gemcitabine and Cisplatin With or Without Veliparib in Patients With Pancreas Adenocarcinoma and a Germline BRCA/PALB2 Mutation

2020 ◽  
Vol 38 (13) ◽  
pp. 1378-1388 ◽  
Author(s):  
Eileen M. O’Reilly ◽  
Jonathan W. Lee ◽  
Mark Zalupski ◽  
Marinela Capanu ◽  
Jennifer Park ◽  
...  
Keyword(s):  
Phase Ii ◽  
Group Performance ◽  
Phase Ii Trial ◽  
Performance Status ◽  
Eastern Cooperative Oncology Group ◽  
Progression Free Survival ◽  
High Response Rate ◽  
Open Label ◽  
Free Survival ◽  
Palb2 Mutation

PURPOSE Five percent to 9% of pancreatic ductal adenocarcinomas (PDACs) develop in patients with a germline BRCA1/2 or PALB2 (g BRCA/PALB2+) mutation. Phase IB data from a trial that used cisplatin, gemcitabine, and veliparib treatment demonstrated a high response rate (RR), disease control rate (DCR), and overall survival (OS) in this population. We designed an open-label, randomized, multicenter, two-arm phase II trial to investigate cisplatin and gemcitabine with or without veliparib in g BRCA/PALB2+ PDAC. PATIENTS AND METHODS Eligible patients had untreated g BRCA/PALB2+ PDAC with measurable stage III to IV disease and Eastern Cooperative Oncology Group performance status of 0 to 1. Treatment for patients in arm A consisted of cisplatin 25 mg/m2 and gemcitabine 600 mg/m2 intravenously on days 3 and 10; treatment for patients in arm B was the same as that for patients in arm A, and arm A also received veliparib 80 mg orally twice per day on days 1 to 12 cycled every 3 weeks. The primary end point was RRs of arm A and arm B evaluated separately using a Simon two-stage design. Secondary end points were progression-free survival, DCR, OS, safety, and correlative analyses. RESULTS Fifty patients were evaluated by modified intention-to-treat analysis. The RR for arm A was 74.1% and 65.2% for arm B ( P = .55); both arms exceeded the prespecified activity threshold. DCR was 100% for arm A and 78.3% for arm B ( P = .02). Median progression-free survival was 10.1 months for arm A (95% CI, 6.7 to 11.5 months) and 9.7 months for arm B (95% CI, 4.2 to 13.6 months; P = .73). Median OS for arm A was 15.5 months (95% CI, 12.2 to 24.3 months) and 16.4 months for arm B (95% CI, 11.7 to 23.4 months; P = .6). Two-year OS rate for the entire cohort was 30.6% (95% CI, 17.8% to 44.4%), and 3-year OS rate was 17.8% (95% CI, 8.1% to 30.7%). Grade 3 to 4 hematologic toxicities for arm A versus arm B were 13 (48%) versus seven (30%) for neutropenia, 15 (55%) versus two (9%) for thrombocytopenia, and 14 (52%) versus eight (35%) for anemia. CONCLUSION Cisplatin and gemcitabine is an effective regimen in advanced g BRCA/PALB2+ PDAC. Concurrent veliparib did not improve RR. These data establish cisplatin and gemcitabine as a standard approach in g BRCA/ PALB2+ PDAC.

Biweekly Gemcitabine-Oxaliplatin and Dexamethasone for Relapsed/Refractory Malignant Lymphoma

Blood ◽  
2011 ◽  
Vol 118 (21) ◽  
pp. 4952-4952
Author(s):  
Hawk Kim ◽  
Je-Hwan Lee ◽  
Young Don Joo ◽  
Sung Hwa Bae ◽  
Jung-Hee Lee ◽  
...  
Keyword(s):  
Response Rate ◽  
Phase Ii Study ◽  
Progression Free Survival ◽  
Drop Out ◽  
First Line ◽  
Free Survival ◽  
Prior Chemotherapy ◽  
Median Progression Free Survival ◽  
Dose Dense ◽  
Intent To Treat

Abstract Abstract 4952 Gemcitabine (GEM) and oxaliplatin (OX) are commonly used as weekly or biweekly therapy. In this regard, dose dense biweekly schedule seems of reasonable investigational value in GEM and OX combination for non-Hodgkin lymphoma (NHL). We conducted phase II study to evaluate the efficacy of the combination chemotherapy consisting of GEM, OX and dexamethasone (GemDOx) as a biweekly regimen in patients with relapsed or refractory NHL. Primary end point was objective response rate and secondary end points were toxicities, progression-free survival, overall survival, ASCC efficacy, rate for proceeding to ASCT. The inclusion criteria were relapsed or refractory malignant aggressive NHL of any histological subtypes: Patients who have refractory to first-line CHOP-like regimen; Patients who have first relapsed after first-line CHOP-like regimen or upfront autologous or allogeneic hematopoietic stem cell transplantation Chemotherapy was repeated every 4 weeks. Gemcitabine 1000 mg/m2 in NS 500 mL was administered IV as a fixed dose rate infusion (FDRI, 10 mg/m2/min) on days 1 and 15. OX 85 mg/m2/d in 5DW 500 mL was administered IV over 6 hour on day 1 and 15. Dexamethasone 40 mg was admistered orally on day 1 through 4. All 29 patients were enrolled in this phase II study. Patients were male in 18 (62.1%), DLBCL in 16 (55.2%), stage III/IV in 25 (79.3%) and relapsed NHL in 23 (79.3) patients. Five (17.2%) patients had relapsed after upfront autologous/allogeneic stem cell transplantation. The most common prior chemotherapy was R-CHOP (n=16, 55.2%) and 17 (58.6%) were exposed to rituximab as prior chemotherapy. The median age and median prior chemotherapy were 53 (range 26–74) years old and 1 (range 1–4) cycle, respectively. IPI at relapse were 3/4 in 11 (37.9%). Only 17 (58.6%) and 9 (31.0%) patients could finish 2 or more and 4 or more cycles, respectively, and median received cycle was 2 (range 0.5–8). Four patients completed planned all 6 or more cycles, and 4 patients stopped GemDOx after 4 cycles for ASCT, and 1 patient lost initial response and progressed after 4 cycles. The reasons of drop-out were progressed disease in 15 (51.7%), lost to follow-up in 4 (13.8%), discrete of attending physician in 1 (3.4%) and withdraw of consent in 1 (3.4%). Maximal response rate was 27.9% (CR in 13.8%; PR in 13.8%) in intent-to-treat basis and 47.0% (CR in 23.5% and PR in 23.5%) among patients who had received at least 2 cycles of GemDOx. Stable disease was observed in 6 (20.7%) in intent-to-treat basis and 5 (29.4%) among patients who had received at least 2 cycles of GemDOx. Among patients who received 2 or more cycles, ORR was 53.4% (CR in 26.7% and PR in 26.7%) in relapsed NHL and 0% (SD in 50% and PD in 50%) in refractory NHL. Median survival and median progression-free survival were 20.526 (95% CI, 8.945–32.108) and 3.947 (95% CI, 0–10.358), respectively in all patients (Figure 1). Among patients who had completed 2 or more cycles, median survival and median progression-free survival were not reached and 10.625 (95% CI, 0–21.575), respectively. In conclusion, dose-dense biweekly GemDOx showed activity against highly unfavorable relapsed NHL, but failed to show superior overall response rate especially against refractory NHL. The main cause of failure was progressive disease although considering high drop-out rate. Disclosures: No relevant conflicts of interest to declare.

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