Publications by authors named "Ira Zackon"

Objective: This study aimed to describe clinical characteristics-including blood counts and pharmacologic cytoreductive treatment patterns-and outcomes after 6 months of hydroxyurea (HU) treatment among patients with polycythemia vera (PV) in US community practices.

Methods: This retrospective observational study included adult patients with a PV diagnosis (1JAN2008-31JAN2020) and ≥2 postdiagnosis visits in the iKnowMed electronic health record database (US Oncology Network and non-Network clinics). Suboptimal HU response required ≥1 criterion after ≥3 months of treatment: white blood cell count (WBC) >10 × 10/L, platelet count >400 × 10/L, and/or hematocrit >45%.

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To help determine the unmet need for improved diagnostic tools to evaluate patients with nonspecific signs and/or symptoms (NSSS) and suspicion of cancer, we examined patient characteristics, diagnostic journey, and cancer incidence of patients with NSSS within The US Oncology Network (The Network), a secondary care community oncology setting. This retrospective, observational cohort study included patients aged ≥40 years with ≥1 NSSS in their problem list at their first visit within The Network (the index date) between 1 January 2016 and 31 December 2020. Patients were followed longitudinally with electronic health record data for initial cancer diagnosis, new noncancer diagnosis, death, end of study observation period, or 12 months, whichever occurred first.

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Patients who undergo chimeric antigen receptor T-cell therapy (CAR T-cell therapy) are immunosuppressed due to multiple factors. While adenovirus and BK virus are well-known pathogens in the context of hematopoietic stem cell transplant, there are no detailed reports of these infections in the setting of CAR T-cell therapy. We describe a 70-year-old male who recently underwent CAR T-cell therapy for diffuse large B-cell lymphoma.

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Purpose: The presence of hypoxia in the diseased bone marrow presents a new therapeutic target for multiple myeloma. Evofosfamide (formerly TH-302) is a 2-nitroimidazole prodrug of the DNA alkylator, bromo-isophosphoramide mustard, which is selectively activated under hypoxia. This trial was designed as a phase I/II study investigating evofosfamide in combination with dexamethasone, and in combination with bortezomib and dexamethasone in relapsed/refractory multiple myeloma.

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