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The clinical significance of an abnormal free light chain (FLC) test, performed due to unspecific complains in the absence of a known plasma cell dyscrasia (PCD) or lymphoproliferative disease (LPD), is not fully elucidated. We investigated the importance of an abnormal FLC ratio (FLC-R) in this setting. Patients registered in the Maccabi Healthcare Services database, tested for FLC during 2007-2023 without previously documented PCD/LPD or increased total protein (TP) level, were reviewed. Demographics, co-morbidities, and laboratory tests were recorded. FLC-R was defined as normal (0.26-1.65) or slightly (slAb 0.1-0.26/1.65-4), moderately (mAbn 0.1-0.05/4-8) and significantly abnormal (sigAb- < 0.05 or > 8). Factors associated with PCD/LPD and overall survival were identified. In total, 8,661 patients, 2,215 (25.6%) with abnormal FLC-R [2,090 (24.1%)-slAb, 65 (0.75%)-mAbn and 60 (0.7%)-sigAb], were analyzed. Almost none had anemia nor acute renal failure. 14% had concomitant increased immunoglobulins. Within a median follow-up of 52 months, 943 were diagnosed with PCD (816-MGUS, 127-MM/Amyloidosis/plasmacytoma) and 48 with LPD. Median time to PCD and LPD were 19 and 28 months. Multivariate analysis found slAb (HR = 1.8, CI95%:1.53-2.12, p < 0.001), mAbn (HR = 6.3, CI95%:4.16-9.53, p < 0.001), and sigAb FLC (HR = 10.4, CI95%:7.0-15.35, p < 0.001), to be associated with PCD/LPD diagnosis. Decreased IgG, increased IgA, and concomitant comorbidities predicted PCD, whereas increased IgM predicted LPD. Older age, male gender, anemia, decreased albumin, increased IgG and concomitant comorbidities, predicted shorter survival. Our large study emphasizes the independent clinical significance of abnormal FLC-R as a predictor of PCD/LPD diagnosis even in patients with normal TP level, promoting early detection of PCD/LPD.
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Cadeias Leves de Imunoglobulina , Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Cadeias Leves de Imunoglobulina/sangue , Adulto , Paraproteinemias/sangue , Paraproteinemias/diagnóstico , Estudos Retrospectivos , Análise de Sobrevida , Transtornos Linfoproliferativos/diagnóstico , Transtornos Linfoproliferativos/sangue , Transtornos Linfoproliferativos/mortalidade , Doenças Hematológicas/sangue , Relevância ClínicaRESUMO
In hemato-oncological patients, COVID-19 can present as a persistent infection with ongoing symptoms and viral replication over a prolonged period of time. Data are scarce on the preferred treatment options for these patients. We describe our experience with a five-day course of dual anti-viral treatment with remdesivir and nirmatrelvir/ritonavir for hemato-oncological immunocompromised patients with persistent COVID-19. Fifteen patients with a history of lymphoma, CLL, and MM were included. Eight were male, median age was 74. All patients had an immediate clinical and virological response. In 73 % of patients, PCR for SARS-CoV-2 became negative at the end of treatment and the rest had an increase in PCR cycle threshold (CT) values, with a median increase of 6 cycles. After a follow-up of three months, 60 % of patients remained in full clinical and virological remission. None required invasive mechanical ventilation or died. The side effects we observed, neutropenia, lactatemia and elevated transaminases, were mild and almost all transient in nature. We conclude that dual anti-viral treatment appears to be a valid treatment option for persistent COVID-19.
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COVID-19 , Humanos , Masculino , Idoso , Feminino , COVID-19/complicações , SARS-CoV-2 , Prognóstico , Fatores de Tempo , Antivirais/efeitos adversosRESUMO
Chimeric Antigen Receptor T-cell (CAR T) therapy has become the preferable treatment in relapsed/refractory diffuse large B-cell lymphomas (DLBCL) patients. Detection of CAR Ts in peripheral blood smear (PBS) is challenging due to insufficient data regarding their morphology and low sensitivity. The morphological evolution of CAR Ts along their production process, and in patients, was established by Full-Field Morphology (FFM), a novel digital microscopy approach that provides highly sensitive PBS analysis. At day 8 of production, 42.7 ± 10.8% of the CAR T transduced cells exhibited activated morphology compared with 9.3 ± 3.8% in untransduced cells. Moreover, engagement of transduced CAR Ts with target cells resulted in further morphological transformation into activated morphology (83 ± 5.6% of the cells). In patients, the average number of day 5 CAR Ts, and their sustained presence, were significantly higher in patients obtaining complete response. A high number of activated morphology CAR Ts at day 14 was associated with prolonged cytokine release storm. Overall, CAR Ts exhibited heterogeneous morphology, with the activated morphology attributed predominantly to transduced cells following engagement with target cells. Post-transfusion CAR T detection was associated with increased complete responses. FFM CAR T surveillance in PBS may serve as a simple inexpensive method to provide clinically relevant insights into this treatment modality.
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Deep learning applications are emerging as promising new tools that can support the diagnosis and classification of different cancer types. While such solutions hold great potential for hematological malignancies, there have been limited studies describing the use of such applications in this field. The rapid diagnosis of double/triple-hit lymphomas (DHLs/THLs) involving MYC, BCL2 and/or BCL6 rearrangements is obligatory for optimal patient care. Here, we present a novel deep learning tool for diagnosing DHLs/THLs directly from scanned images of biopsy slides. A total of 57 biopsies, including 32 in a training set (including five DH lymphoma cases) and 25 in a validation set (including 10 DH/TH cases), were included. The DHL-classifier demonstrated a sensitivity of 100%, a specificity of 87% and an AUC of 0.95, with only two false positive cases, compared to FISH. The DHL-classifier showed a 92% predictive value as a screening tool for performing conventional FISH analysis, over-performing currently used criteria. The work presented here provides the proof of concept for the potential use of an AI tool for the identification of DH/TH events. However, more extensive follow-up studies are required to assess the robustness of this tool and achieve high performances in a diverse population.
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Chimeric antigen receptor T-cells (CAR-T) are widely used for the treatment of relapsed/refractory diffuse large B cell lymphoma (DLBCL). The data for CAR-T cell therapy in patients with extra-nodal (EN) lymphoma is restricted. We included 126 consecutive patients with DLBCL treated with commercially available CAR-T cells (tisagenlecleucel, n = 100, 79.4% and axicabtagene ciloleucel, n = 26, 20.6%). At lymphodepletion, 72 of 126 (57%) patients had EN disease, 42 of 126 (33%) patients had nodal disease (ND)-only and 12 of 126 (10%) showed no disease assessed by PET-CT. There were no significant differences in CAR-T related toxicities and in the median Progression free survival (PFS) between EN patients and ND (10.76 [95% CI: 7.8-13.6] vs. 14.1 [95% CI: 10-18.1] months, p = .126). Similarly, median overall survival (OS) was not significantly different (15.36 [95% CI 12.5-18.2] vs. 18.4 [95% CI 14.8-22.1] months, p = .100). Subgroup analysis according to the number of EN involved sites showed that median PFS and OS were significantly higher in patients with <3 EN sites (12.3 months [95% CI 9-15.5] vs. 4.28 months [95% CI 0.6-7.9], p = .010) compared to patients with >2 EN sites, respectively (16.5 months [95% CI 13.4-19.6] vs. 8.7 months [95% CI 4.6-12.8], p = .05). In multivariate cox regression analysis, increased number sites of EN disease and high lactate dehydrogenase (LDH) at lymphodepletion negatively impacted PFS (p = .021 and <.001, respectively), while sex, type of product administered, age and performance status did not predict PFS and OS. Of note, all the patients with involvement of gastrointestinal tract (n = 9), urinary tract (n = 9), or pharynx (n = 3) at lymphodepletion, progressed or had an early relapse. In conclusions, patients with >2 EN sites at lymphodepletion have significantly worse clinical outcomes compared to patients with <3 EN sites. Patients with specific sites of EN disease may demonstrate grim prognosis.
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Linfoma Folicular , Linfoma Difuso de Grandes Células B , Linfoma não Hodgkin , Receptores de Antígenos Quiméricos , Humanos , Tomografia por Emissão de Pósitrons combinada à Tomografia Computadorizada , Linfoma Difuso de Grandes Células B/terapia , Linfoma Difuso de Grandes Células B/tratamento farmacológico , Linfoma não Hodgkin/tratamento farmacológico , Imunoterapia Adotiva/efeitos adversos , Linfoma Folicular/tratamento farmacológico , Linfócitos T , Estudos Retrospectivos , Antígenos CD19RESUMO
OBJECTIVES: To evaluate the role of additional chemotherapy before autologous hematopoietic cell transplantation (HCT) in patients with relapse/refractory diffuse large B-cell lymphoma (DLBCL) who achieve partial remission following first salvage therapy. METHODS: We conducted a multicenter retrospective study of all adult patients with DLBCL who underwent HCT between 2008 and 2020 and achieved partial response (PR) after the first salvage and were either referred directly to HCT (n = 47) or received additional salvage therapy before HCT (n = 22). RESULTS: Post-HCT CR rate and progression-free survival were comparable between the two groups (66% vs. 68%, p = .86 and median not reached vs. 10.2 months [95% confidence interval, CI 7.1-12.3], p = .27, respectively). Median overall survival (OS) and estimated 3-year OS favored patients who were directly referred to HCT (105.8 [95% CI 63-148] months vs. 14.5 [95% CI 0-44] months, p = .035, and 65% [95% CI 51%-75%] vs. 40% [95% CI 21%-53%], p = .035, respectively). In Cox regression model, while International Prognostic Index and primary refractory versus relapse disease did not impact OS, allocation to a second salvage regimen and older age were both associated with inferior survival (hazard ratio [HR] = 2.57 95% CI 1.1-5.8, p = .023 and HR = 1.04 95% CI 0.99-1.2, p = .064, respectively). CONCLUSIONS: Referring patients with chemotherapy-sensitive disease in PR directly to HCT is associated with better OS compared to those receiving additional lines of treatment.
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Transplante de Células-Tronco Hematopoéticas , Linfoma Difuso de Grandes Células B , Linfoma não Hodgkin , Recidiva Local de Neoplasia , Adulto , Humanos , Linfoma Difuso de Grandes Células B/tratamento farmacológico , Linfoma não Hodgkin/tratamento farmacológico , Recidiva Local de Neoplasia/tratamento farmacológico , Estudos Retrospectivos , Transplante AutólogoRESUMO
OBJECTIVE: To determine the rate of lymphoproliferative disease (LPD) in women undergoing routine breast cancer screening (BCS). BCS can reveal pathologies other than carcinoma that involve the breast and lymph tissue. The few studies that have described cases in which BCS led to the diagnosis of LPD were based on small series and focused on imaging rather than clinical characteristics. SETTING AND METHODS: A multi-center retrospective study in Israel, investigating LPD rate and characteristics among women diagnosed with LPD via BCS. RESULTS: Thirty-four patients out of 14,400 consecutive women undergoing BCS at Tel Aviv Sourasky Medical Center during the study period were diagnosed with LPD, suggesting a diagnosis rate of 0.24%. The enlarged cohort (n = 45), including 11 patients that were retrieved from the databases of three other centers, demonstrates a predominant histological diagnosis of non-aggressive LPD (n = 33). Thirty-four (76%) had a suspicious axillary lymph node, and 11 had a breast lesion. The median maximal lesion size was 1.95â cm (range 0.8-6.5). Disease was localized in 60% of patients (stage 1 and 1E). Univariate analysis revealed that lymphocyte count was inversely associated with aggressive histology. At median follow-up of 39 months, all but three patients were alive. These three had been diagnosed with non-aggressive LPD which had never been treated and died from unrelated causes. CONCLUSIONS: The LPD detection rate via BCS was 2.36 per 1000 screens. The majority of LPDs were non-aggressive. Nearly a third were aggressive, most detected at an early stage, and the clinical outcome was generally favorable.
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Neoplasias da Mama , Transtornos Linfoproliferativos , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/epidemiologia , Detecção Precoce de Câncer/efeitos adversos , Feminino , Humanos , Israel/epidemiologia , Transtornos Linfoproliferativos/diagnóstico , Transtornos Linfoproliferativos/epidemiologia , Transtornos Linfoproliferativos/etiologia , Estudos RetrospectivosRESUMO
Anti CD-19 chimeric antigen receptor T (CAR-T) cells demonstrate effective early anti-tumor response; however, impaired hematopoietic recovery is observed in about 30% of patients with prolonged cytopenia appearing as an unmet need for optimal treatment. All adult patients given commercially available anti CD-19 CAR-T for diffuse large B cell lymphoma (DLBCL) were screened at 21-28 days after CAR-T infusion for cytopenia. In case of severe persistent cytopenia, patients were given TPO receptor agonists. Initial dose of eltrombopag was 50 mg/day and gradually increased to a maximal dose of 150 mg/day. Romiplostim was given as subcutaneous injection once a week for 2 doses (125 mcg). Response was defined as transfusion independency along with resolution of severe neutropenia (ANC > 500 /microL) and/or platelets > 20,000/microL for three consecutive values on different days. TPO receptor agonists were tapered down when response was met. From May 2019 to December 2021, 93 patients were eligible (74%, tisagenlecleucel and 26%, axicabtagene ciloleucel). The median age was 69 (range, 19-85) years. Six patients (6.5%) (tisagenlecleucel, n = 4 or axicabtagene ciloleucel, n = 2) demonstrated prolonged severe cytopenia and were treated with TPO receptor agonists (eltrombopag, n = 4; romiplastim, n = 1, both drugs, n = 1). Median time from CAR-T infusion to initiation of TPO receptor agonist was 43 (range, 21-55) days. All patients were transfusion-dependent and were given daily GCSF prior to TPO receptor agonist administration. Response to TPO receptor agonists was seen in all 6 patients. Median time from TPO receptor agonist initiation to resolution of cytopenia was 22 (range, 8-124) days for Hb, 27 (range, 6-38) days for platelets, and 29 (range, 7-61) days for neutrophils. A complete resolution of all blood counts (ANC > 500 /microL and platelets > 20,000/microL and hemoglobin > 8 gr/dL) was seen in 5/6 patients. No toxicity was observed during the therapy course. This paper supports further investigation of TPO receptor agonists in the treatment of persistent cytopenia following CAR-T cell therapy.
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Anemia Aplástica , Fármacos Hematológicos , Linfoma Difuso de Grandes Células B , Receptores de Antígenos Quiméricos , Trombocitopenia , Adulto , Idoso , Anemia Aplástica/tratamento farmacológico , Antígenos CD19 , Medula Óssea/patologia , Fármacos Hematológicos/uso terapêutico , Humanos , Linfoma Difuso de Grandes Células B/patologia , Receptores de Trombopoetina/agonistas , Linfócitos T , Trombocitopenia/induzido quimicamente , Trombopoetina/efeitos adversosRESUMO
Patients with lymphoproliferative diseases are at high risk for SARS-CoV-2-related complications and mortality. The role of casirivimab and imdevimab (REGEN-COV), a neutralizing antibody cocktail, to treat immunocompromised hemato-oncological patients with SARS-CoV-2 disease 2019 (Covid-19) remains unknown. Here, we present our clinical experience on the outcome of 15 hematological patients treated with REGEN-COV for SARS-CoV-2 infection. Most patients failed to respond or achieved low antibody titer after 2-3 doses of BNT162b2 mRNA vaccine. All patients experienced clinical improvement with no mortality within a median follow-up of 70 days. In conclusion, early administration of REGEN-COV to high-risk hematological patients may prevent clinical deterioration and mortality from SARS-CoV-2 infection. The effectiveness of neutralizing antibodies may vary depending on the virus variants and in particular with the omicron variant (B.1.1.529).
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The role of 18F-fluorodeoxyglucose ([18F]FDG) positron emission tomography-computed tomography (PET-CT) in assessing mucosa-associated lymphoid tissue (MALT) lymphoma is debatable. We retrospectively explored the role of [18F]FDG PET-CT in staging and predicting progression-free-survival (PFS) of patients with newly-diagnosed MALT lymphoma. Sixty-six studies were included. The maximum standardized uptake value (SUVmax), metabolic tumor volume (MTV) and total lesion glycolysis (TLG) were documented in the "hottest" extranodal and nodal lesions. Extranodal lesions and accompanying nodal disease were detected on PET in 38/66 (57.6%) and 13/66 (19.7%) studies, respectively. Detection rate of extranodal lesions differed significantly between those located in tissues with high/heterogeneous (e.g., stomach) vs low/homogenous (e.g., subcutaneous-tissue, lung) physiologic [18F]FDG-uptake (40.4% vs. 100%, p < 0.01). Nodal lesions had significantly lower SUVmax, MTV and TLG compared with extrandodal lesions in the same patients. Detection and [18F]FDG-avidity of extranodal lesions were higher in patients with advanced, bulky disease and concomitant marrow/nodal involvement. Increased SUVmax of extranodal lesions predicted shorter PFS (HR 1.10, 95% CI 1.01-1.19, p = 0.02). Higher SUVmax and TLG showed trends towards shorter PFS in patients with localized disease. In conclusion, detection rate of extranodal MALT lymphoma lesions located in tissues with low/homogeneous physiologic [18F]FDG-uptake is excellent on [18F]FDG PET-CT. When detected, SUVmax of extranodal lesions may predict PFS.
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OBJECTIVES: The recent surge in coronavirus disease 2019 cases led to the consideration of a booster vaccine in previously vaccinated immunosuppressed individuals. However, the immunogenic effect of a third-dose severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine in immunosuppressed patients is still unknown. METHODS: This was an observational cohort study of 279 previously vaccinated immunosuppressed patients followed at a single tertiary hospital in Israel. Patients were administered a third dose of the Pfizer-BioNTech mRNA vaccine (BNT162b2) between July 14 and July 21, 2021. Levels of IgG antibodies against the spike receptor-binding domain of SARS-CoV-2 were measured 3 to 4 weeks after vaccination. RESULTS: Of the cohort of 279 patients, 124 (44.4%) had haematologic malignancies, 57 (20.4%) had rheumatologic diseases, and 98 (35.1%) were solid organ-transplant recipients. Anti-SARS-CoV-2 antibody levels increased in 74.9% of cases. Across the entire cohort, the median absolute antibody levels (expressed in AU/mL) increased from 7 (interquartile range (IQR), 0.1-69) to 243 (IQR, 2-4749) after the booster dose. The response significantly varied across subgroups: The transplant cohort showed the greatest increase in absolute antibody levels (from 52 (IQR, 7.25-184.5) to 1824 (IQR, 161-9686)), followed by the rheumatology (from 22 (IQR, 1-106) to 1291 (IQR, 6-6231)) and haemato-oncology (from 1 (IQR, 0.1-7) to 7.5 (IQR, 0.1-407.5)) cohorts. The χ2 test was 8.30 for difference in fold change (p = 0.016). Of the 193 patients who were seronegative at baseline, 76 became seropositive after vaccination, corresponding to a 39.4% (95% CI, 32.8%-46.4%) seroconversion rate. Transplant patients had the highest seroconversion rate (58.3% (95% CI, 44.3%-71.2%)), followed by rheumatology (44.1% (95% CI, 28.9%-60.5%)) and haemato-oncology (29.7% (95% CI, 22%-38.8%); χ2 = 11.87; p = 0.003) patients. DISCUSSION: A third dose of BNT162b2 is immunogenic in most immunosuppressed individuals, although antibody response may differ based on the type of disease and immunosuppression. The antibody level that correlates with protection is still unknown; thus, future studies are needed to evaluate clinical outcomes.
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COVID-19 , SARS-CoV-2 , Anticorpos Antivirais , Vacina BNT162 , COVID-19/prevenção & controle , Vacinas contra COVID-19 , Humanos , Estudos Prospectivos , Vacinas Sintéticas , Vacinas de mRNARESUMO
This prospective study evaluated seroconversion rates in response to BNT162b2 (Pfizer-BioNTech) COVID-19 vaccine booster in 44 B-cell non-Hodgkin lymphoma (B-NHL) patients who failed to respond to two prior doses [42 previously exposed to anti-CD20 monoclonal antibodies (moAbs) including 13 under maintenance treatment]. Seroconversion was obtained in 29.5% of the patients. Longer time from last anti-CD20 moAb (>6 months) and diagnosis of aggressive lymphoma compared to other, incurable B-NHLs were associated with increased seroconversion rates (47.8% vs.10.5%, p = 0.019 and 50% vs. 17.9%, p = 0.025 respectively). Thus, seronegative patients with B-NHL that completed anti-CD20 therapy more than 6 months prior to the booster have greater chances to achieve seroconversion.
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COVID-19 , Linfoma não Hodgkin , Vacinas , Vacina BNT162 , COVID-19/prevenção & controle , Vacinas contra COVID-19 , Humanos , Imunização Secundária , Linfoma não Hodgkin/terapia , Estudos Prospectivos , RNA Mensageiro , SARS-CoV-2 , SoroconversãoRESUMO
Polatuzumab (Pola)-based regimens and chimeric antigen receptor T (CAR T) cells provide superior outcome compared to conventional chemoimmunotherapy in patients with relapsed/refractory diffuse large B cell lymphoma (R/R DLBCL). Choosing between these strategies remains controversial. The efficacy of CAR T versus Pola-rituximab(R) /Pola-bendamustine(B)-R in R/R DLBCL patients after failing ≥2 lines of treatment was compared in a retrospective, 'real-world' study. Propensity score matching, for age, lymphoma category (de-novo/transformed), number of prior lines, Eastern Cooperative Oncology Group performance status and lactate dehydrogenase level, was applied to control for differences in patients' characteristics. Response rate, progression-free survival (PFS) and overall survival (OS) were analyzed. A total of 82 patients, treated with CAR T (n=41) or Pola-based regimens (n=41), were included. No treatment-related deaths occurred with CAR T vs. 3 (7.3%) with Pola. The overall and complete response rates were 83% and 58% with CAR T vs. 66% and 44% with Pola-based-regimens (p=0.077 and p=0.18, respectively). At a median follow-up of 9 months (range 1-19.2) and 16 months (range 0.7-25.3) for the CAR T and Pola arm respectively, the median PFS has not been reached for CAR T vs. 5.6 months for Pola (95% CI 3.6-7.6, p=0.014). Median OS has not been reached for CAR T vs. 10.8 months (95% CI 2.2-19.4) for Pola (p=0.026). To conclude, in a real-world setting, treatment with CAR T achieved superior PFS and OS compared to Pola-based regimens in patients with R/R DLBCL.
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Imunoconjugados , Linfoma Difuso de Grandes Células B , Receptores de Antígenos Quiméricos , Anticorpos Monoclonais/uso terapêutico , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Estudos de Coortes , Humanos , Imunoconjugados/uso terapêutico , Linfoma Difuso de Grandes Células B/induzido quimicamente , Linfoma Difuso de Grandes Células B/tratamento farmacológico , Estudos Retrospectivos , Linfócitos TRESUMO
Data regarding efficacy and toxicity of chimeric antigen receptor T (CAR-T) cell therapy in the elderly, geriatric population are insufficient. In 2019, tisagenlecleucel and axicabtagene-ciloleucel were commercially approved for relapsed/refractory diffuse large B-cell lymphoma. From May 2019 onwards, 47 relapsed/refractory diffuse large Bcell lymphoma patients, ≥70 years underwent lymphopharesis in three Israeli centers. Elderly (n=41, mean age 76.2 years) and young (n=41, mean age 55.4 years) patients were matched based on ECOG performance status and lactose dehydrogenase levels. There were no differences in CD4/CD8 ratio (P=0.94), %CD4 naive (P=0.92), %CD8 naive (P=0.44) and exhaustion markers (both HLA-DR and PD-1) between CAR-T cell products in both cohorts. Forty-one elderly patients (87%) received CAR-T cell infusion. There were no differences in the incidence of grade ≥3 cytokine-release-syndrome (P=0.29), grade≥3 neurotoxicity (P=0.54), and duration of hospitalization (P=0.55) between elderly and younger patients. There was no difference in median D7-CAR-T cell expansion (P=0.145). Response rates were similar between the two groups (complete response 46% and partial response 17% in the elderly group, P=0.337). Non-relapse mortality at 1 and 3 months was 0 in both groups. With a median follow-up of 7 months (range, 1.3-17.2 months), 6- and 12-months progression-free and overall survival in elderly patients were 39% and 32%, and 74% and 69%, respectively. EORTC QLQ-C30 questionnaires, obtained at 1 month, showed worsening of disability and cancer-related-symptoms in elderly versus younger patients. We conclude that outcomes of CAR-T cell therapy are comparable between elderly, geriatric and younger patients, indicating that age as per se should not preclude CAR-T cell administration. Longer rehabilitation therapy is essential to improve disabilities and long-term symptoms.