Intravenous iron therapy without rhEPO substantially reduced NT-proBNP and inflammatory status in anemic patients with CHF and moderate CRF. This situation was associated with an improvement in LVEF, NYHA functional class, exercise capacity, renal function, and better quality of life.

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PURPOSE Waldenstrom Macroglobulinemia (WM) is a rare lymphoma with distinct clinical features, and data from Latin American patients are lacking. Therefore, we aim to investigate the clinical, therapy, and outcome patterns of WM in Latin America. METHODS We retrospectively analyzed patients with WM diagnosed between 1991 and 2019 from 24 centers in seven Latin American countries. The study outcomes were overall survival (OS) and progression-free survival (PFS). RESULTS We identified 159 cases (median age 67 years, male 62%). Most patients (95%) were symptomatic at diagnosis. The International Prognostic Scoring System for WM (IPSSWM) at diagnosis was available in 141 (89%) patients (high-risk 40%, intermediate-risk 37%, and low-risk 23%). Twenty-seven (17%) patients were tested for MYD88L265P, with 89% (n = 24 of 27) carrying the mutation. First-line and second-line therapies were administered to 142 (89%) and 53 (33%) patients, respectively. Chemoimmunotherapy was the most commonly used first-line (66%) and second-line (45%) approach; only 18 (11%) patients received ibrutinib. With a median follow-up of 69 months, the 5-year OS rate was 81%. In treated patients, the 5-year OS and PFS rates were 78% and 59%, respectively. High-risk IPSSWM at treatment initiation was an independent risk factor for OS (adjusted hazard ratio: 4.73, 95% CI, 1.67 to 13.41, P = .003) and PFS (adjusted hazard ratio: 2.43, 95% CI, 1.31 to 4.50, P = .005). CONCLUSION In Latin America, the management of WM is heterogeneous, with limited access to molecular testing and novel agents. However, outcomes were similar to those reported internationally. We validated the IPSSWM score as a prognostic factor for OS and PFS. There is an unmet need to improve access to recommended diagnostic approaches and therapies in Latin America.

Background Multiple myeloma (MM) is a heterogeneous disease that is most frequently diagnosed in the elderly. Therefore, data on clinical characteristics and outcomes in the young population are scarce and it is recognized that it remains incurable even in this group of patients. We present here the outcomes of patients under 40 years old cohort in Latin-American countries. On behalf of GELAMM (Grupo de Estudio Latino-Americano de Mieloma Múltiple). Methods Retrospective international multicenter cohort study. We analyzed MM patients under 40 years old who received treatment in 6 Latin-American countries, between 2010 and 2018. Demographics and disease features were analyzed using descriptive statics. We examined treatment characteristics and response rates. The overall survival (OS) of the entire cohort was analyzed using Kaplan-Meier curves. Results Eighty-six patients of 6 countries were analyzed (Table1). The mean age was 35.4 years old, and 60% were male. The most frequent monoclonal component type was IgG followed by light chain MM. Risk determined by ISS was distributed in almost equal percentages. The most frequent cytogenetic alteration was the t (4;14) that was found in four patients out of 25 evaluated. The missing data were greater than 70%. Skeleton-related events were the most frequent clinical feature, followed by anemia and renal failure. Plasmacytomas and fractures were present in more than 20 percent of cases. With regard to treatment, VCD / CyBorD was the most used regimen, followed by VTD. The overall response rate (ORR) was 63%. Fifty-three patients received high dose therapy and autologous stem cell transplantation (62%). Only 8% received post-transplant consolidation, and 45% received maintenance therapy. The median OS of the entire cohort was 45 months, and a plateau in the survival curve was not observed, suggesting that patients continue relapsing over the time. Conclusion In this Latin American multicenter study, we found that the young population with MM has similar presentation characteristics to those of elderly patients. A significant amount of information is lost regarding the risk characterization, especially in regard with cytogenetics. With respect to treatment, less than half of the patients achieve very good partial response or better. It is striking that more than a third of this young patients did not access to high doses of chemotherapy and bone marrow transplantation. Maintenance therapy is offered to less than half patients. The median OS is lower than in other series of patients younger than 40 years, even than in the elderly cohorts. Prospective multicentric studies are required to elucidate the behavior of the disease in this group of patients. Disclosures Peña: Pfizer: Membership on an entity's Board of Directors or advisory committees; Janssen: Other: Congress inscription and flights; Biotoscana: Other: Congress inscription and flights; Novartis: Other: Congress inscription and flights; Tecnofarma: Other: Congress inscription and flights; Roche: Other: Congress inscription and flights. Rojas:Novartis: Membership on an entity's Board of Directors or advisory committees; Pfeizer: Membership on an entity's Board of Directors or advisory committees; Abbvie: Membership on an entity's Board of Directors or advisory committees; Roche: Membership on an entity's Board of Directors or advisory committees. Abello:Takeda: Other: Participation in advisory board meeting. Gomez-Almaguer:Takeda: Consultancy, Speakers Bureau; Celgene: Consultancy, Speakers Bureau; Amgen: Consultancy, Speakers Bureau; Janssen: Consultancy, Speakers Bureau; Teva: Consultancy, Speakers Bureau.

Biology of Blood and Marrow Transplantationjournal homepage : www.bbmt.org (day 100: 1.5% versus 2.4% versus 7.6% versus 17.6%) as well as long term (1 to 3 years; 1.8% to 2.3% versus 3.8% to 4.9% versus 11.7% to 14.5% versus 25.0% to 27.4%, respectively; P< .0001) and OS (1 to 5 years; 94% to 73% versus 89% to 75% versus 76% to 47% versus 65% to 52% respectively; P < .0001). The score was validated in an independent cohort (N = 2168) and was significantly associated with early and late events. In conclusion, we developed and validated a novel score predicting NRM and OS in 2 large cohorts of more than 2000 autologous transplant patients. This tool can be useful for tailoring conditioning regimens or defining risk for transplant program decision making.

Data about treatment outcomes and toxicity in Latin America are scarce. There are differences with central countries based on access to healthcare system and socioeconomic status. Argentinean Society of Hematology recommends bortezomib-based triplets for induction treatment of transplant eligible newly diagnosed multiple myeloma patients. Most common options are CyBorD (cyclophosphamide, bortezomib and dexamethasone) and VTD (bortezomib, thalidomide and dexamethasone). Main goal of our retrospective, multicentric study was to compare very good partial response rate (VGPR) or better after induction treatment in a real-world setting in Argentina. Secondary objectives included comparison of complete response (CR) post-induction and after bone marrow transplantation, grade 3-4 adverse events (AEs), progression-free survival (PFS) and overall survival (OS). Three hundred twenty-two patients were included (median age at diagnosis: 57 years; 52% male; 28% had ISS3; 14% with high-risk cytogenetics; median follow up: 34 months). CyBorD was indicated in 74% and 26% received VTD. In VTD arm, 72.62% of patients achieved at least VGPR vs 53.36% receiving CyBorD (odds ratio, OR: 1.96 [95% confidence interval, CI: 1.08-3.57; P = .026] after adjusting by age, ISS [International Staging System], lactate dehydrogenase levels (LDH) and cytogenetic risk. Difference in VGPR was 19.26% (95% CI: 15-24). CR rate were 35.92% (VTD) vs 22.55% (CyBorD)

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