Progression Free Survival (progression + free_survival)

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Distribution within Medical Sciences


Selected Abstracts


A randomized controlled trial of transcatheter arterial chemoembolization with lipiodol, doxorubicin and cisplatin versus intravenous doxorubicin for patients with unresectable hepatocellular carcinoma

EUROPEAN JOURNAL OF CANCER CARE, Issue 5 2009
M. MABED md, professor
Hepatocellular carcinoma (HCC) is a major and often therapeutically frustrating oncological problem. A total of 100 patients with unresectable HCC were recruited and randomized to be treated with either transcatheter arterial chemoembolization (TACE) or systemic chemotherapy. Fifty patients were treated with TACE using lipiodol, doxorubicin and cisplatin, while 50 patients were treated with systemic doxorubicin alone. Patients treated with TACE achieved a significantly higher response rate, with partial response achieved in 16 patients (32%) versus five patients (10%) in the chemotherapy arm (P = 0.007). A significantly more favourable tumour response to chemoembolization was found in patients with single lesions (P = 0.02), Child class A (P = 0.007), Okuda stage 1 (P = 0.005) and ,-feto protein less than 400 ng/mL (P < 0.001). The probability of tumour progression was significantly lower in cases treated with TACE where the median progression free survival was 32 weeks (range, 16,70 weeks) versus 26 weeks (range, 14,54 weeks) for patients treated with systemic chemotherapy (P = 0.03). However, the median overall survival did not differ significantly in cases treated with TACE (38 weeks) compared with those treated with chemotherapy (32 weeks) (P = 0.08), except for patients with serum albumin >3.3 g/dL (60 vs. 36 weeks; P = 0.003). Multivariate Cox regression analysis showed that a rise of serum albumin by 1 g/dL is associated with a decrease in the risk of death by 33% (95% confidence interval: 0.12,0.94, P = 0.038). Mortality in the chemoembolization arm was due to tumour progression in 18 patients (53%), liver failure in 11 patients (32%) and gastro intestinal tract (GIT) bleeding in 5 patients (15%). Mortality in the chemotherapy arm was due to tumour progression in 23 patients (64%), liver failure in 9 patients (25%) and GIT bleeding in 4 patients (11%). Treatment-related mortality was 4% in the TACE arm versus 0% in the chemotherapy arm. In conclusion, the overall survival benefits of TACE and systemic doxorubicin are similar for patients with unresectable HCC amenable to either treatment. It is crucial to optimize the benefit,risk ratio of TACE. In this setting, serum albumin level is a candidate marker for selection of cases who may benefit from this procedure. [source]


ThaDD plus high dose therapy and autologous stem cell transplantation does not appear superior to ThaDD plus maintenance in elderly patients with de novo multiple myeloma

EUROPEAN JOURNAL OF HAEMATOLOGY, Issue 6 2010
Massimo Offidani
Abstract Objectives:,With the aim to address the issue whether high-dose therapy (HDT) is required after new drugs combinations to improve outcome of elderly newly diagnosed multiple myeloma (MM) patients, we compared the toxicity and the outcome of ThaDD plus maintenance to those of ThaDD plus HDT-autologous stem cell transplantation (ASCT). Methods: Sixty-two patients not eligible for HDT receiving six courses of ThaDD regimen plus maintenance with thalidomide were compared to 26 patients eligible for HDT treated with four courses of ThaDD followed by melphalan 100,200 mg/m2 and ASCT. The two groups were matched for the main characteristics except for age favouring the HDT group. Results and conclusions:,Complete remission (CR) obtained with ThaDD plus maintenance was 24% whereas it was 57% after ThaDD plus HDT-ASCT (P = 0.0232). However, after a median follow-up of 36 months, median time to progression (TTP) and progression free survival (PFS) of the group of patients undergone HDT were not significantly different to those of patients receiving ThaDD plus maintenance (32 vs. 31 months: P = 0.962; 32 vs. 29 months: P = 0.726, respectively). Five-year overall survival (OS) was 49% in the first group and 46% in the latter one (P = 0.404). As expected, a significantly higher incidence of grade 3,4 neutropenia, thrombocytopenia, infections, mucositis and alopecia were observed in the ThaDD plus HDT group. Our results suggest that in elderly MM patients ThaDD plus HDT, albeit significantly increases CR rate, seems to be equivalent to ThaDD plus maintenance in terms of TTP, PFS and OS. These results challenge the requirement for HDT consolidation in this subset of patients. [source]


Targeted therapy of renal cell carcinoma: Synergistic activity of cG250-TNF and IFNg

INTERNATIONAL JOURNAL OF CANCER, Issue 1 2009
Stefan Bauer
Abstract Immunotherapeutic targeting of G250/Carbonic anhydrase IX (CA-IX) represents a promising strategy for treatment of renal cell carcinoma (RCC). The well characterized human-mouse chimeric G250 (cG250) antibody has been shown in human studies to specifically enrich in CA-IX positive tumors and was chosen as a carrier for site specific delivery of TNF in form of our IgG-TNF-fusion protein (cG250-TNF) to RCC xenografts. Genetically engineered TNF constructs were designed as CH2/CH3 truncated cG250-TNF fusion proteins and eucariotic expression was optimized under serum-free conditions. In-vitro characterization of cG250-TNF comprised biochemical analysis and bioactivity assays, alone and in combination with Interferon-, (IFN,). Biodistribution data on radiolabeled [125J] cG250-TNF and antitumor activity of cG250-TNF, alone and in combination with IFN,, were measured on RCC xenografts in BALB/c nu/nu mice. Combined administration of cG250-TNF and IFN, caused synergistic biological effects that represent key mechanisms displaying antitumor responses. Biodistribution studies demonstrated specific accumulation and retention of cG250-TNF at CA-IX-positive RCC resulting in growth inhibition of RCC and improved progression free survival and overall survival. Antitumor activity induced by targeted TNF-based constructs could be enhanced by coadministration of low doses of nontargeted IFN, without significant increase in side effects. Administration of cG250-TNF and IFN, resulted in significant synergistic tumoricidal activity. Considering the poor outcome of renal cancer patients with advanced disease, cG250-TNF-based immunotherapeutic approaches warrant clinical evaluation. © 2009 UICC [source]


Surgery after neoadjuvant chemotherapy for colorectal liver metastases is safe and feasible in elderly patients

JOURNAL OF SURGICAL ONCOLOGY, Issue 5 2009
Dietmar Tamandl MD
Abstract Background Surgery for colorectal liver metastases is part of the endeavor to cure metastatic colorectal cancer (mCRC). Neoadjuvant chemotherapy increases progression free survival in resectable patients. The safety and feasibility of this concept has not been investigated in elderly patients. Methods We performed a comparative analysis of data from 244 patients who were resected for colorectal liver metastases between 1999 and 2004 at our institution. Seventy patients were aged 70 or older; they form the basis of this analysis. Results Twenty-nine patients received neoadjuvant chemotherapy (oxaliplatin-based chemotherapy (XELOX), 19; 5-fluorouracil (5-FU), 10) prior to surgery. XELOX was associated with higher response rates to chemotherapy (CR,+,PR: XELOX 68% vs. 5-FU 0%, P,=,0.001), and responding patients had a better overall (OS, P,<,0.001) and recurrence free survival (RFS, P,<,0.001) compared to others. Response to neoadjuvant chemotherapy was the only factor on multivariate analysis predicting longer OS and RFS (P,=,0.01 and P,=,0.001). Conclusion Neoadjuvant chemotherapy can be administered safely in patients older than 70 years and appears to be effective in prolonging long-term outcome. Patients responding to neoadjuvant treatment have a significantly better prognosis after liver resection. J. Surg. Oncol. 2009;100:364,371. © 2009 Wiley-Liss, Inc. [source]


A Phase II study of 153Sm-EDTMP and high-dose melphalan as a peripheral blood stem cell conditioning regimen in patients with multiple myeloma,

AMERICAN JOURNAL OF HEMATOLOGY, Issue 6 2010
Angela Dispenzieri
Multiple myeloma (MM) remains an incurable illness affecting nearly 20,000 individuals in the United States per year. High-dose melphalan (HDM) with autologous hematopoietic stem cell support (ASCT) is one of the mainstays of therapy for younger patients, but little advancement has been made with regards to conditioning regimens. We opted to combine 153Samarium ethylenediaminetetramethylenephosphonate (153Sm-EDTMP), a radiopharmaceutical approved for the palliation of pain caused by metastatic bone lesions, with HDM and ASCT in a Phase II study. Individualized doses of 153Sm were based on dosimetry and were calculated to deliver 40 Gy to the bone marrow. The therapeutic dose of 153Sm-EDTMP was followed by HDM and ASCT. Forty-six patients with newly diagnosed or relapsed disease were treated. Study patients were compared to 102 patients contemporaneously treated with HDM and ASCT. Fifty-nine percent of study patients achieved a very good partial response (VGPR) or better. With a median follow-up of 7.1 years, the median overall survival and progression free survival (PFS) from study registration was 6.2 years (95% CI 4.6,7.5 years) and 1.5 years (1.1,2.2 years), respectively, which compared favorably to contemporaneously treated non-study patients. Addition of high-dose 153Sm-EDTMP to melphalan conditioning appears to be safe, well tolerated, and worthy of further study in the context of novel agents and in the Phase III setting. Am. J. Hematol. 2010. © 2010 Wiley-Liss, Inc. [source]


Synovial sarcoma in children and adolescents: Thirty three years of experience with multimodal therapy,

PEDIATRIC BLOOD & CANCER, Issue 2 2001
M. Fatih Okcu MD
Abstract Background Synovial sarcoma (SS) is the most common type of non-rhabdomyosarcoma soft tissue sarcoma in childhood, with controversies about its prognosis and treatment. Procedure We reviewed medical records of 42 children and adolescents with SS treated at our institution between 1966 and 1999 to determine treatment results and assess prognostic factors. Results With a median follow-up duration of 7.8 years (range 0.2,22.4 years), 5-year progression free survival (PFS) and overall survival (OS) rates were 75.6% (95% Confidence Interval [CI] 62,89.2%) and 87.7% (95% CI 77.3,98.1%) respectively. Eleven patients were dead and four others had progressed but were alive without evidence of disease after further therapy. IRS grouping and tumor invasiveness were found to be significant prognostic indicators (P,<,0.01 and =,0.02, respectively). Patients with initial gross total resection (IRS I and II) and non-invasive tumors (T1) were most likely to have prolonged PFS and OS. Patients with small tumors (<,5 cm) (P,=,0.09) or with monophasic histology (P,=,0.14) had better PFS and OS. Conclusions Achieving a complete resection or gross total resection with microscopic residual disease is vital for survival of patients with localized SS. Patients with localized disease who received radiotherapy had improved local control. Chemotherapy did not seem to impact PFS or OS. Future large multi-institutional trials are needed to address whether post-operative chemotherapy is necessary for patients with localized, surgically removed tumors, whether radiotherapy is necessary for patients with completely resected tumors, and to ascertain the order of importance of all the candidate prognostic markers. Med Pediatr Oncol 2001;37:90,96. © 2001 Wiley-Liss, Inc. [source]


Graft rejection after hematopoietic cell transplantation with nonmyeloablative conditioning

AMERICAN JOURNAL OF HEMATOLOGY, Issue 7 2008
Tania N. Masmas
Graft rejection after hematopoietic cell transplantation (HCT) with nonmyeloablative conditioning is a rare but serious clinical problem. Graft rejection and salvage therapy in eight patients in a retrospective analysis of 124 consecutive patients is reported. The patients were conditioned with low-dose fludarabine and total body irradiation (TBI). The association of pretransplantation risk factors with rejection and the effect of chimerism and graft-versus-host disease on rejection were analyzed. Overall survival (OS) and progression free survival (PFS) were compared between patients with and without rejection. Retransplantation was performed with increased TBI conditioning for all patients, and with increased mycophenolate mofetil doses for recipients with HLA-identical sibling donors. No known pretransplantation risk factors were confirmed in this study. Rejection episodes were unevenly distributed over time. The storage temperature of the apheresis products was identified as a risk factor for rejection. Storage of the apheresis products at 5°C diminished the risk of rejection. Low donor T cell chimerism at Day +14 significantly increased the risk of rejection. Seven patients were retransplanted. All but one engrafted successfully, but with decreased OS and PFS. Two patients received pentostatin infusion prior to donor lymphocyte infusions in unsuccessful attempts at reversing rejection. Storage temperature and donor chimerism had a significant effect on rejection. Following rejection, patients are at greater risk of dying from infections and progression/relapse of their malignancy. Retransplantation is feasible and well tolerated after HCT with nonmyeloablative conditioning and should be performed without delay in patients with imminent and manifest graft rejection. Am. J. Hematol. 2008. © 2008 Wiley-Liss, Inc. [source]


Uterine papillary serous carcinoma: Patterns of failure and survival

AUSTRALIAN AND NEW ZEALAND JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Issue 4 2009
Wei WANG
Objective: To evaluate the outcome in patients with uterine papillary serous carcinoma (UPSC). Methods: A retrospective review of women treated for UPSC between 1995 and 2006 in Westmead Hospital, Sydney. The patients were treated with total abdominal hysterectomy, bilateral salpingo-oophorectomy and surgical staging. The majority of the patients had platinum-based adjuvant chemotherapy and radiotherapy. Sites of initial recurrence were documented. Overall survival (OS) and progression free survival (PFS) were estimated using Kaplan,Meier method. Univariate and multivariate analysis was performed using Cox regression analysis to test the effects of multiple prognostic factors on survival. Results: Two-year and five-year OS was 65% and 43%. The median OS was 39 months. Two-year and five-year PFS was 60% and 35%. Macroscopic residual disease at the completion of surgery was the only significant prognostic factor associated with worse OS on both univariate and multivariate analysis (P < 0.001). The median OS was only 11 months if patients had macroscopic residual disease, and all patients died within 18 months despite adjuvant therapies. Twenty-one patients relapsed. The site(s) of initial recurrence were: vagina (five patients), pelvic lymph nodes (four patients), abdomen (11 patients), para-aortic lymph nodes (six patients), inguinal lymph nodes (two patients) and distant metastases in seven patients. Only one of 16 patients who received vaginal brachytherapy failed in the vagina, but three of seven patients who received external beam pelvic radiotherapy failed in the vagina. Conclusion: We recommend optimal cytoreduction surgery with the aim of leaving no macroscopic disease at the end of the operation. Vaginal brachytherapy should be considered as a component of adjuvant radiotherapy. Abdominal failure was the commonest mode of failure in our cohort of patients. [source]