23 research outputs found
Female patients with follicular lymphoma have a better prognosis if primary remission lasts over 24 months
Findings regarding the role of sex in follicular lymphoma (FL) are contradictory and the prognostic value of sex among patients with early progression of disease (POD) remains unclear. We collected real-life data from nine hospitals in Finland and Spain including 1020 FL patients to study the influence of sex on disease outcome. The median follow-up duration was 67 months (range 0-226 months). Female patients showed better progression-free survival (PFS) (hazard ratio [HR], 0.720; 95% confidence interval [CI], 0.588-0.881), disease-specific survival (DSS) (HR, 0.653; 95% CI, 0.448-0.951), and overall survival (OS) (HR, 0.653; 95% CI, 0.501-0.853) than male patients. However, there were no significant sex differences in prognosis in patients with early POD. This study strengthens the understanding that male sex is an adverse prognostic factor for FL. However, this difference does not apply to patients with early POD.Peer reviewe
Analysis of data collected in the European Society for Blood and Marrow Transplantation (EBMT) Registry on a cohort of lymphoma patients receiving plerixafor
Plerixaforâ+âgranulocyte-colony stimulating factor (G-CSF) is administered to patients with lymphoma who are poor mobilizers of hematopoietic stem cells (HSCs) in Europe. This international, multicenter, non-interventional registry study (NCT01362972) evaluated long-term follow-up of patients with lymphoma who received plerixafor for HSC mobilization versus other mobilization methods. Propensity score matching was conducted to balance baseline characteristics between comparison groups. The following mobilization regimens were compared: G-CSFâ+âplerixafor (Gâ+âP) versus G-CSF alone; Gâ+âP versus G-CSFâ+âchemotherapy (Gâ+âC); and G-CSFâ+âplerixaforâ+âchemotherapy (Gâ+âPâ+âC) versus Gâ+âC. The primary outcomes were progression-free survival (PFS), overall survival (OS), and cumulative incidence of relapse (CIR). Overall, 313/3749 (8.3%) eligible patients were mobilized with plerixafor-containing regimens. After propensity score matching, 70 versus 36 patients were matched in the Gâ+âP versus G-CSF alone cohort, 124 versus 124 in the Gâ+âP versus Gâ+âC cohort, and 130 versus 130 in the Gâ+âPâ+âC versus Gâ+âC cohort. For both PFS and OS, the upper bound of confidence interval for the hazard ratio was >1.3 for all comparisons, implying that non-inferiority was not demonstrated. No major differences in PFS, OS, and CIR were observed between the plerixafor and comparison groups
Treatment of diffuse large Bâcell lymphoma in elderly patients:replacing doxorubicin with either epirubicin or etoposide (VPâ16)
Abstract
Diffuse large Bâcell lymphoma (DLBCL) is the most common type of lymphoma. The standard therapy for DLBCL is RâCHOP. The current 5âyear overall survival is 60% to 70% using standard frontline therapy. However, the use of doxorubicin and its cardiotoxicity is a major clinical problem and preexisting cardiac disease may prevent the use of doxorubicin. Age greater than 65 years is a significant risk factor for anthracyclineâinduced cardiotoxicity, and therefore, the use of RâCHOP is often withheld from elderly patients. The feasibility of replacing doxorubicin with either epirubicin or etoposide in patients who have risk factors for heart complications is analyzed here. Clinical data of 223 DLBCL patients were retrospectively collected from hospital records. Fiftyâfive patients were treated with RâCHOP, 105 with RâCIOP (epirubicin instead of doxorubicin), 17 with RâCEOP (etoposide instead of doxorubicin), and 31 with RâCHOEP. Matchedâpair analysis was carried out between 30 patients treated with RâCEOP and RâCHOP. For all patients, the 2âyear progressionâfree survival (PFS) was 73.6%. In patients treated with RâCHOP, the 2âyear PFS was 84.2%, with RâCIOP 64.4%, with RâCEOP 87.7%, and with RâCHOEP 83.2%. In matchedâpair analysis, the 2âyear PFS was 92.3% with RâCHOP and 86.2% with RâCEOP. The 2âyear disease specific survival was 100% with RâCHOP and 86.2% with RâCEOP. In conclusion, RâCEOP offers reasonable PFS and disease specific survival in the treatment of DLBCL and good disease control can be achieved in elderly patients. Elderly patients with impaired cardiac function could benefit from the use of RâCEOP instead of RâCHOP. The results with RâCIOP were unsatisfactory, and we do not recommend using this protocol in elderly patients with cardiac disease
Drugâinduced pneumonitis risk in diffuse large Bâcell/follicular lymphoma patients treated with RâCHOPâlike regimen is associated with the use of granulocyte colonyâstimulating growth factors
Abstract Background Rituximabâbased combinations are the standard of care in diffuse large Bâcell lymphoma (DLBCL) and follicular lymphoma (FL). Despite being on market for over 20âyears, some of the adverse effects associated with the use of rituximab are not well known. Drugâinduced interstitial pneumonitis (DIP) is a potentially fatal complication of the treatment. Granulocyte colonyâstimulating factors (GâCSF) are supportive agents commonly used to prevent neutropenic infections. GâCSF are reported to have pulmonary toxicity, but the risk of DIP is greater when used in combination with other potentially pulmotoxic agents. Methods In this retrospective study, we reported the GâCSF use and risk of DIP in 234 DLBCL patients and 87 FL patients receiving RâCHOPâtype immunochemotherapy. Results In 72% of patients, the treatment included a GâCSF support. The overall incidence of treatmentâinduced pneumonitis was 6.9% in this patient group. All the DIP cases (nâ=â16) were among patients receiving GâCSF support (pâ=â0.03). Older age (over 60âyears) and higher disease stage (Ann Arbor 3â4) also increased the risk of DIP. Conclusions These findings suggest that the use of GâCSF increases the risk of DIP, when used in combination with rituximabâcontaining regimen
Nuclear factor erythroid 2-related factors 1 and 2 are able to define the worst prognosis group among high-risk diffuse large B cell lymphomas treated with R-CHOEP
Abstract
Aims: Oxidative stress markers and antioxidant enzymes have previously been shown to have prognostic value and associate with adverse outcome in patients with diffuse large B cell lymphoma (DLBCL). Nuclear factor erythroid 2-related factor 1 (Nrf1) and factor 2 (Nrf2) are among the principal inducers of antioxidant enzyme production. Kelch ECH associating protein 1 (Keap1) is a negative regulator of Nrf2, and BTB (BR-C, ttk and bab) domain and CNC homolog 1 (Bach1) represses the function of both factors. Their significance in DLBCL prognosis is unknown.
Methods: Diagnostic biopsy samples of 76 patients with high-risk DLBCL were retrospectively stained with immunohistochemistry for Nrf1, Nrf2, Keap1 and Bach1, and correlated with clinical data and outcome.
Results: Nuclear Nrf2 and nuclear Bach1 expression were associated with adverse clinical features (anaemia, advanced stage, high IPI, high risk of neutropaenic infections), whereas cytoplasmic Nrf1 and Nrf2 were associated with favourable clinical presentation (normal haemoglobin level, no B symptoms, limited stage). None of the evaluated factors could predict survival alone. However, when two of the following parameters were combined: high nuclear score of Nrf2, low nuclear score of Nrf1, high cytoplasmic score of Nrf1 and low cytoplasmic score of Keap1 were associated with significantly worse overall survival.
Conclusions: Nrf1 and Nrf2 are relevant in disease presentation and overall survival in high-risk DLBCL. Low nuclear expression of Nrf1, high cytoplasmic expression of Nrf1, high nuclear expression of Nrf2 and low cytoplasmic expression of Keap1 are associated with adverse outcome in this patient group
Capability assessment of inkjet printing for reliable RFID applications
Abstract
In this paper, inkjet-printed silver traces and interconnections produced with the print-on-slope technique were used in an radio-frequency identification (RFID) structure operating in the ultra-high-frequency range. Underfill material was used to attach silicon RFID chips onto flexible, 125-Îźm -thick polymer substrates. The cured underfill was also used as a sloped surface for printing interconnection traces from the chip to the plastic substrateâs radiators. Inkjet printing was performed in one phase, producing both the interconnections to the chip and the radiators. This enables the use of a single-phase continuous roll-to-roll compatible process instead of the commonly used two-phase stop-and-go process. To further investigate the behavior of the printed low-temperature nanoparticle ink and its compatibility with different substrate materials, basic conductive traces were printed onto the substrates. Thereafter, the structures were exposed to thermal/humidity tests at 85 °C temperature/85% relative humidity (â85/85â) for up to a 2000-h period. To gain an understanding of the response of the structures under stress, the samples were intermittently characterized by using a read range measurement device, followed by the removal of failed samples from the test. The samples were characterized also by optical imaging and field-emission scanning electron microscopy. The bulk conductive traces were characterized electrically by measuring their resistances during test breaks. The results point out that although some challenges are still to overcome, inkjet printing is a feasible way of producing conductive traces for RFID structures, and that the print-on-slope technique is utilizable also in practical applications as a cost-effective method with adequate reliability for producing interconnections between chip and substrate
Mortality among patients with low-grade follicular lymphoma : A binational retrospective analysis
Background: The life expectancy of patients with follicular lymphoma (FL) has improved considerably since the introduction of rituximab. This study examined the proportion of deaths from progressive lymphoma and the impact of FL on survival compared with that in the general population. Methods: Altogether, 749 patients with grades 1 and 2 FL in 9 institutions between 1997 and 2016 were enrolled. Competing risk models were used to estimate the cumulative incidences of deaths from progressive lymphoma and from other reasons. Excess mortality was analyzed with respect to the corresponding background populations standardized for age and sex using the excess mortality model based on the penalized spline approach. Results: The median follow-up duration was 69 months (range, 0-226 months). The estimated 10-year overall, disease-specific, and net survival rates were 72.4%, 86.6%, and 86.4%, respectively. The cumulative incidence of deaths from progressive lymphoma was slightly smaller than that of other causes in the study population (estimated 10-year cumulative incidences: 12.3% [95% CI, 9.6%-15.3%] and 15.4% [95% CI, 12.2%-18.8%], respectively). Excess mortality was observed for up to 10 years after diagnosis, and it slightly increased with time. Conclusions: Deaths from progressive lymphoma are nearly as common as deaths from other causes in FL patients during the rituximab era. Despite the improvements in survival, there was evidence of excess mortality resulting from FL for at least 10 years after diagnosis.publishedVersionPeer reviewe
Mortality among patients with low-grade follicular lymphoma : A binational retrospective analysis
Background: The life expectancy of patients with follicular lymphoma (FL) has improved considerably since the introduction of rituximab. This study examined the proportion of deaths from progressive lymphoma and the impact of FL on survival compared with that in the general population. Methods: Altogether, 749 patients with grades 1 and 2 FL in 9 institutions between 1997 and 2016 were enrolled. Competing risk models were used to estimate the cumulative incidences of deaths from progressive lymphoma and from other reasons. Excess mortality was analyzed with respect to the corresponding background populations standardized for age and sex using the excess mortality model based on the penalized spline approach. Results: The median follow-up duration was 69 months (range, 0-226 months). The estimated 10-year overall, disease-specific, and net survival rates were 72.4%, 86.6%, and 86.4%, respectively. The cumulative incidence of deaths from progressive lymphoma was slightly smaller than that of other causes in the study population (estimated 10-year cumulative incidences: 12.3% [95% CI, 9.6%-15.3%] and 15.4% [95% CI, 12.2%-18.8%], respectively). Excess mortality was observed for up to 10 years after diagnosis, and it slightly increased with time. Conclusions: Deaths from progressive lymphoma are nearly as common as deaths from other causes in FL patients during the rituximab era. Despite the improvements in survival, there was evidence of excess mortality resulting from FL for at least 10 years after diagnosi