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To observe the efficacy and safety of obinutuzumab in Chinese population with idiopathic membranous nephropathy and guide clinical management.
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This study is a multicenter, open-label, uncontrolled, phase II trial aimed to establish the safety and tolerability of venetoclax, atezolizumab and obinutuzumab combination in Richter Transformation of CLL.
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Estudio primario
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Two cases of disseminated enteroviral infection occurred in patients who received the CD20 monoclonal antibody obinutuzumab. Clinical features included hepatitis, edema, and a dermatomyositis-like syndrome. These manifestations may be unfamiliar to clinicians and are possibly responsive to intravenous immunoglobulin. Clinicians should remain vigilant for enteroviral infections in patients receiving obinutuzumab.
Estudio primario
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The primary objective of this study is to evaluate the effects of idelalisib with obinutuzumab versus the combination of chlorambucil and obinutuzumab on progression-free survival (PFS) in participants with previously untreated chronic lymphocytic leukemia (CLL).
An increased rate of deaths and serious adverse events (SAEs) among participants with front-line CLL and early-line indolent non-Hodgkin lymphoma (iNHL) treated with idelalisib in combination with standard therapies was observed by the independent data monitoring committee (DMC) during regular review of 3 Gilead Phase 3 studies. Gilead reviewed the unblinded data and terminated those studies in agreement with the DMC recommendation and in consultation with the US Food and Drug Administration (FDA). All front-line studies of idelalisib, including this study, were also terminated.
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This is phase 1/2 study for patients with CLL or (SLL) who have not been previously treated. This study will evaluate whether obinutuzumab and lenalidomide is safe and tolerable in this setting and induce complete clinical responses.
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Background: In an early‐phase study, the combination of zanubrutinib plus obinutuzumab (ZO) was well tolerated and associated with an early signal of efficacy in patients (pts) with follicular lymphoma (FL) (Tam et al. Blood Adv 2020). ROSEWOOD (NCT03332017) is a phase 2, randomized study designed to assess efficacy and safety of ZO vs obinutuzumab (O) in pts with relapsed/refractory (R/R) FL. Here, we present an updated analysis with a median follow‐up of 20.2 mo. Methods: Pts with R/R FL (grade 1‐3a) who received ≥2 lines of therapy including an anti‐CD20 antibody and alkylating agent were randomized 2:1 to receive ZO or O. Zanubrutinib was given at 160 mg twice daily until progression or unacceptable toxicity. The primary endpoint was overall response rate (ORR) by independent central review. Secondary endpoints included duration of response (DOR), progression‐free survival (PFS), time to next treatment (TTNT), overall survival (OS), and safety. Results: A total of 217 pts were randomized (145 for ZO; 72 for O). Median age was 64 years. Of the 217 pts, 114 (52.5%) had a high Follicular Lymphoma International Prognostic Index (FLIPI) score at screening and 123 (56.7%) pts had high tumor burden criteria according to Groupe d'Etude des Lymphomes Folliculaires (GELF) criteria. Median number of prior lines of therapy was 3 (range, 2‐11). A total of 114 (52.5%) pts were refractory to rituximab; 214 (98.6%) pts received prior immunochemotherapy. Prior exposure to anticancer drugs included anthracyclines (80.6%), cyclophosphamide (94.0%), and bendamustine (54.8%). ORR was 69.0% (ZO) vs 45.8%(O) (P = 0.0012). Complete response rate was 39.3% (ZO) vs 19.4% (O); 18‐mo DOR rate was 69.3% (ZO) vs 41.9% (O); median PFS was 28.0 mo (ZO) vs 10.4 mo (O) (hazard ratio [HR], 0.50 [95% CI.: 0.33, 0.75]; P = 0.0007). Median TTNT was not evaluable for ZO and 12.2 mo for O (HR, 0.34 [95% CI.: 0.22, 0.52]; P < 0.0001). Estimated OS rate at 24 mo was 77.3% (ZO) and 71.4% (O), with median OS not reached in either arm. Nonhematologic treatmentemergent adverse events of any grade that occurred more frequently for ZO vs O (>5%difference) were petechiae (6.3% vs 0%) and herpes zoster infection (6.3% vs 0%); in contrast, pyrexia (13.3% vs 19.7%) and infusion‐related reaction (2.8% vs 9.9%) occurred more frequently in pts on O. When adjusted for duration of treatment exposure, incidences of infection and cytopenia were similar, and incidence of all grades of hemorrhage was 2.4 (ZO) vs 1.3 (O) persons per 100 person‐months. Two pts in each treatment group reported major hemorrhage. Incidences of atrial fibrillation and hypertension were low and similar in both treatment arms. Conclusions: ZO demonstrated meaningful activity and a manageable safety profile in pts with heavily pretreated R/R FL, representing a potential novel therapy.
Estudio primario
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Estudio primario
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Early data on venetoclax-containing regimens for the treatment of chronic lymphocytic leukemia (CLL) show promising results with deep remissions, but are hampered by potential risk for tumor lysis syndrome (TLS). Whether optimal duration of venetoclax treatment can be guided by minimal residual disease (MRD) is currently unknown. To study whether TLS risk can be mitigated in an unfit population by introducing preinduction, and whether MRD-guided duration of venetoclax treatment is a feasible and efficacious approach, we performed the Dutch-Belgian Cooperative Trial Group for Hemato-oncology (HOVON) 139/GIVE trial. The study treatment consists of 4 treatment phases: preinduction (2 cycles obinutuzumab), induction I (6 cycles obinutuzumab and venetoclax), induction II (6 cycles venetoclax), and a randomization phase (group A: maintenance with 12 additional cycles of venetoclax irrespective of MRD; group B: MRD guided venetoclax maintenance with a maximum of 12 cycles). Here we report on a planned interim safety analysis as well as preliminary efficacy and MRD data of the first 30 patients enrolled. Downgrading of TLS risk after preinduction occurred in 25 patients: 3 from high to medium, 3 from high to low, and 19 from medium to low risk. No patient remained high risk. From these 30 patients, peripheral blood MRD data were obtained for 28 patients at the end of induction II (6 months after the last obinutuzumab dose), of whom 26 had undetectable MRD levels, and for 18 patients who reached the 3-month after-randomization point, of whom 16 had undetectable MRD levels. Obinutuzumab preinduction is tolerated well in these unfit patients and results in abrogating high TLS risk in all patients. Preliminary data indicate that efficacy is maintained with a high proportion of patients with undetectable MRD levels after combination treatment. © 2018 American Society of Hematology. All rights reserved.
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