Publications by authors named "Zonder J"

Article Synopsis
  • - MEDI2228 is an antibody drug conjugate designed to target B-cell maturation antigen (BCMA) and was tested in a phase 1 trial for patients with relapsed/refractory multiple myeloma after prior treatments with standard medications.
  • - The trial involved 107 patients, identifying a maximum tolerated dose of 0.14 mg/kg every three weeks, with common side effects including photophobia, rash, and thrombocytopenia; two patients experienced serious dose-limiting toxicities.
  • - Although MEDI2228 showed promising efficacy with a 56.1% objective response rate in one treatment group, ocular toxicity issues led to the decision not to pursue further development of the drug.
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Purpose: We present a phase I/II first-in-human trial evaluating the safety and efficacy of 50 mg and 200 mg doses of linvoseltamab, a B-cell maturation antigen × CD3 bispecific antibody in relapsed/refractory multiple myeloma (RRMM).

Methods: Phase II eligible patients had RRMM that either progressed on/after ≥three lines of therapy including a proteasome inhibitor (PI), an immunomodulatory drug (IMiD), and an anti-CD38 antibody or was triple-class (PI/IMiD/anti-CD38) refractory. Phase II treatment was once a week through week 14 and then once every 2 weeks.

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We pooled data from three observational studies (INSIGHT MM, UVEA-IXA and REMIX) to investigate the real-world effectiveness of ixazomib-lenalidomide-dexamethasone (IRd) in relapsed/refractory myeloma. INSIGHT MM was a prospective study conducted in countries across Europe, Asia and North/Latin America while UVEA-IXA and REMIX were multicenter, retrospective/prospective studies conducted in Europe. Patients who had received IRd as ≥2nd line of therapy were analyzed.

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Examination of the impact of race and ethnicity on multiple myeloma (MM) outcomes has yielded inconsistent results. This retrospective, real-world (RW) study describes patient, disease, and treatment characteristics (and associations with survival outcomes) among newly diagnosed MM patients of non-Hispanic (NH) Black/African American (AA) and NH White race/ethnicity in the US. We included patients from the nationwide Flatiron Health electronic health record-derived de-identified database who initiated first line of therapy (LOT) for MM between January 1, 2016 and March 31, 2022.

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A man in his 60 s with a history of actinic keratosis (AK) and relapsed IgG kappa multiple myeloma (MM) recently received VD-PACE (bortezomib, dexamethasone, cisplatin, doxorubicin, cyclophosphamide, etoposide) chemotherapy and presented with numerous haemorrhagic, scaly lesions on his scalp and face. He also had sepsis from methicillin-sensitive (MSSA) bacteraemia. Since the lesions were only present in the areas of pre-existing AK, a diagnosis of inflammation of AK secondary to chemotherapy was made.

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Article Synopsis
  • AL amyloidosis is a serious disease caused by the buildup of misfolded immune proteins, and birtamimab is an experimental antibody aimed at treating it by targeting toxic protein aggregates.
  • The VITAL clinical trial tested birtamimab in 260 newly diagnosed patients compared to a placebo, focusing on survival and hospitalization rates, but was halted early due to lack of significant overall benefits.
  • However, a post hoc analysis showed promising survival improvements for a subset of high-risk patients (Mayo stage IV), leading to further investigation in a new trial (AFFIRM-AL).
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We conducted a phase 1/2 study of carfilzomib, pomalidomide, and dexamethasone (KPd) and KPd with daratumumab (Dara-KPd) in relapsed/refractory multiple myeloma. The primary end points were identification of a maximum tolerated dose (MTD) of KPd for phase 1, and rates of overall response (ORR) and near complete response (nCR) after 4 cycles of KPd and Dara-KPd, respectively, for phase 2. The MTD for KPd was carfilzomib 20/27 mg/m2 on days 1, 2, 8, 9, 15, and 16 (cycles 1-8) and days 1, 2, 15, and 16 for cycles 9 and beyond; oral pomalidomide 4 mg on days 1 to 21; and oral dexamethasone 40 mg weekly in 28-day cycles.

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We performed a phase I study of weekly selinexor, carfilzomib, and dexamethasone (wSKd) in patients with relapsed/refractory multiple myeloma (MM). The primary objective was to identify the maximum tolerated dose (MTD) of wSKd. Secondary endpoints included overall response rate (ORR), progression-free survival (PFS), and overall survival (OS).

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Background: Lenalidomide is a cornerstone of maintenance therapy in patients with newly diagnosed multiple myeloma after autologous stem-cell transplantation. We aimed to compare the efficacy and safety of maintenance therapy with carfilzomib, lenalidomide, and dexamethasone versus lenalidomide alone in this patient population.

Methods: This study is an interim analysis of ATLAS, which is an investigator-initiated, multicentre, open-label, randomised, phase 3 trial in 12 academic and clinical centres in the USA and Poland.

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Background: Infections are a common reason for hospitalization and death in multiple myeloma (MM). Although pneumococcal vaccination (PV) and influenza vaccination (FV) are recommended for MM patients, data on vaccination status and outcomes are limited in MM.

Materials And Methods: We utilized data from the global, prospective, observational INSIGHT MM study to analyze FV and PV rates and associated outcomes of patients with MM enrolled 2016-2019.

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Article Synopsis
  • Patients with smoldering multiple myeloma usually wait for their condition to get worse before starting treatment, but treating them early might help them live better.
  • A study tested a combination of three medicines (elotuzumab, lenalidomide, and dexamethasone) on patients with a more serious form of the disease and looked at their blood samples to see how their immune cells changed.
  • The results showed that early treatment was safe and might help, and how similar a patient’s immune system is to healthy people can help predict how well they will do with the treatment.
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Background: This study characterised real-world treatment patterns, clinical outcomes, and cost-of-illness in patients with light-chain (AL) amyloidosis.

Methods: Data were extracted from the US-based Optum® EHR and Clinformatics® Data Mart (claims) databases (2008-2019) for patients newly diagnosed with AL amyloidosis and who initiated anti-plasma cell therapies. Healthcare resource utilisation (HCRU) and related costs were compared across lines of therapy (LOT).

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Importance: Treatment of newly diagnosed multiple myeloma (NDMM) with a quadruplet regimen consisting of a monoclonal antibody, proteasome inhibitor, immunomodulatory imide, and corticosteroid has been associated with improved progression-free survival (PFS) compared with triplet regimens. The optimal quadruplet combination, and whether this obviates the need for frontline autologous stem cell transplant (ASCT), remains unknown. We evaluated elotuzumab and weekly carfilzomib, lenalidomide, and dexamethasone (Elo-KRd) without ASCT in NDMM.

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Article Synopsis
  • A phase 3 trial analyzed the impact of adding autologous stem-cell transplantation (ASCT) to a treatment regimen involving lenalidomide, bortezomib, and dexamethasone (known as RVD) in patients with newly diagnosed multiple myeloma.
  • Results showed that the group receiving RVD plus ASCT had a median progression-free survival of 67.5 months, compared to 46.2 months for those receiving just RVD, indicating a significantly lower risk of disease progression or death with ASCT.
  • Although progression-free survival improved with ASCT, there was no overall survival advantage, with 5-year survival rates being comparable between the two
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Introduction/background: This study aimed to describe patient and caregiver preferences for treatments of relapsed or refractory multiple myeloma (MM).

Materials And Methods: A survey including discrete-choice experiment (DCE) and best-worst scaling (BWS) exercises was conducted among US patients with relapsed or refractory MM and their caregivers. The DCE included six attributes with varying levels including progression-free survival (PFS), toxicity, and mode and frequency of administration.

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Diffuse large B-cell lymphoma (DLBCL), grade 3b follicular lymphoma (FL), and mantle cell lymphoma (MCL) are aggressive non-Hodgkin's lymphomas (NHL). Cure rates are suboptimal and novel treatment strategies are needed to improve outcomes. Here, we show that p21-activated kinase 4 (PAK4) and nicotinamide phosphoribosyl transferase (NAMPT) is critical for lymphoma subsistence.

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Filanesib is a first-in-class kinesin spindle protein inhibitor which demonstrated safety and encouraging activity in combination with bortezomib and dexamethasone in relapsed/refractory multiple myeloma in a preliminary analysis of dose-escalation phase results. This multicenter study included first a dose-escalation phase to determine maximum tolerated dose of two schedules of filanesib, bortezomib, and dexamethasone and a subsequent dose-expansion phase using the maximum tolerated doses. In the dose-expansion phase, 28 patients were evaluable for safety and efficacy.

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Although mechanistic studies clarifying the molecular underpinnings of AML have facilitated the development of several novel targeted therapeutics, most AML patients still relapse. Thus, overcoming the inherent and acquired resistance to current therapies remains an unsolved clinical problem. While current diagnostic modalities are primarily defined by gross morphology, cytogenetics, and to an extent, by deep targeted gene sequencing, there is an ongoing demand to identify newer diagnostic, therapeutic and prognostic biomarkers for AML.

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Article Synopsis
  • Systemic immunoglobulin light-chain (AL) amyloidosis involves amyloid fibrils from abnormal plasma cells, with daratumumab showing potential to enhance treatment outcomes.
  • In a study with 388 patients, those receiving daratumumab alongside standard therapy had significantly higher complete hematologic response rates (53.3% vs. 18.1%) and benefits in organ function.
  • Adverse effects were noted, with common severe events including lymphopenia and pneumonia, but overall, daratumumab improved survival metrics and organ responses without drastically increasing mortality from the disease.
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Multiple available combinations of proteasome inhibitors, immunomodulators (IMIDs), and monoclonal antibodies are shifting the relapsed/refractory multiple myeloma (RRMM) treatment landscape. Lack of head-to-head trials of triplet regimens highlights the need for real-world (RW) evidence. We conducted an RW comparative effectiveness analysis of bortezomib (V), carfilzomib (K), ixazomib (I), and daratumumab (D) combined with either lenalidomide or pomalidomide plus dexamethasone (Rd or Pd) in RRMM.

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Purpose: The nuclear exporter protein exportin-1 (XPO1) is overexpressed in non-Hodgkin lymphoma (NHL) and correlates with poor prognosis. We evaluated enhancing R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone) activity in NHL by targeted inhibition of XPO1 using the selective inhibitor of nuclear export (SINE) compounds.

Patients And Methods: We evaluated the antitumor activity of SINE compounds in combination with CHO chemotherapy and .

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To evaluate the effectiveness and safety of ixazomib-lenalidomide-dexamethasone (IRd) in relapsed/refractory multiple myeloma in routine clinical practice. Patient-level data from the global, observational INSIGHT MM and the Czech Registry of Monoclonal Gammopathies were integrated and analyzed. At data cut-off, 263 patients from 13 countries were included.

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Background: The introduction of immunomodulatory agents, proteasome inhibitors, and autologous haematopoietic stem-cell transplantation has improved outcomes for patients with multiple myeloma, but patients with high-risk multiple myeloma have a poor long-term prognosis. We aimed to address optimal treatment for these patients.

Methods: SWOG-1211 is a randomised phase 2 trial comparing eight cycles of lenalidomide (25 mg orally on days 1-14 every 21 days), bortezomib (1·3 mg/m subcutaneously on days 1, 4, 8, and 11 every 21 days), and dexamethasone (20 mg orally on days 1, 2, 4, 5, 8, 9, 11, and 12 every 21 days; RVd) induction followed by dose-attenuated RVd maintenance (bortezomib 1 mg/m subcutaneously on days 1, 8, and 15; lenalidomide 15 mg orally on days 1-21; dexamethasone 12 mg orally on days 1, 18, and 15 every 28 days) until disease progression with or without elotuzumab (10 mg/kg intravenously on days 1, 8, and 15 for cycles 1-2, on days 1 and 11 for cycles 3-8, and on days 1 and 15 during maintenance).

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The spectrum of immunoglobulin paraprotein-associated diseases requiring therapy extends beyond multiple myeloma and AL amyloidosis. Awareness of these is essential in ensuring timely accurate diagnosis and appropriate treatment. As most paraprotein-associated diseases are fairly uncommon, therapeutic decisions must often be made in the absence of data from randomized controlled trials.

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