Publications by authors named "Vicki A Morrison"

Introduction: Rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone (R-CHOP) therapy is the standard of care for patients with newly diagnosed diffuse large B-cell lymphoma (DLBCL). However, detailed delineation of toxicity data is limited and has not been examined by age. We sought to examine adverse event data in patients receiving R-CHOP from the Cancer and Leukemia Group B (CALGB) 50303 trial to determine if there were differences in grade 3+ toxicities by age cohort or ECOG performance status (PS), and if outcome was impacted by age cohort or toxicity occurrence.

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The treatment landscape for acute myeloid leukemia (AML) is rapidly changing. Many new agents and lower-intensity regimens have been approved and can be safely used by hematologists and oncologists in both academic and community settings. The US Food and Drug Administration (FDA) held a virtual symposium on AML treatment in the community in November 2022.

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Purpose: Treatment goals for patients with metastatic cancer include prolongation and maintenance of quality of life. Patients and oncologists have questioned the current paradigm of initial dose selection for systemic therapy; however, data on oncologists' dose selection strategies and beliefs are lacking.

Methods: We conducted an electronic international survey of medical oncologists who treat patients with breast and/or gastrointestinal cancers.

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Non-Hodgkin lymphoma (NHL) is a disease of older adults, with a median age at diagnosis of 67 years. Treatment in older adults with NHL is challenging. The aging process is associated with a decline in functional reserve that varies among individuals, and results in an increasing risk of treatment-related toxicity and mortality.

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Evidence-based US guidelines provide recommendations for the use of granulocyte colony-stimulating factor (G-CSF) as supportive therapy in patients with cancer receiving chemotherapy. Pegfilgrastim is recommended for FN prophylaxis in patients with non-myeloid malignancies receiving a high-risk chemotherapy regimen, or an intermediate-risk regimen if one or more risk factors are present. The guidelines highlight the patient characteristics and chemotherapy regimens for solid tumors and hematologic malignancies that may influence a patient's overall risk of FN and may benefit from pegfilgrastim support.

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Article Synopsis
  • A systematic review analyzed 60 studies to assess the safety and efficacy of dosing strategies for obese cancer patients, concluding that they can tolerate full doses just like non-obese patients.
  • The recommendations include using full weight-based doses for chemotherapy, immunotherapy, and targeted therapies in obese patients while suggesting that dose adjustments for side effects should be similar to those for non-obese patients; further research on body composition effects is also encouraged.
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Introduction: Although treatment approaches to younger fit patients with mantle cell lymphoma (MCL) are well-described, the optimal treatment of older or less fit patients with varying comorbidities is less clear. The objectives of this study were to examine first-line treatment patterns, and the impact of comorbidities and age on treatment choices and overall survival (OS) in a large, predominantly older, Medicare population.

Patients And Methods: In Medicare data from 1/1/2007-8/31/2015, 3,008 patients with MCL were identified.

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A major evolution in the treatment of patients with diffuse large B-cell lymphoma (DLBCL) occurred almost two decades ago, with clinical trials demonstrating that the addition of rituximab (R) to cyclophosphamide, doxorubicin, vincristine, prednisone (CHOP), which had been the "gold standard" of therapy since 1976, significantly improved outcome, including response rate and disease-free survival, of these patients. Since the adoption of R-CHOP, subsequent clinical trials have attempted to improve upon outcomes achieved with R-CHOP, with a variety of approaches examined. These have included dose intensification, which may be applicable in younger patients, but not in the many older or frailer patients with a disease with median age at diagnosis in the 60's.

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Background: In phase 3 trials, inactivated varicella zoster virus (VZV) vaccine (ZV) was well tolerated and efficacious against herpes zoster (HZ) in autologous hematopoietic stem cell transplant (auto-HSCT) recipients and patients with solid tumor malignancies receiving chemotherapy (STMc) but did not reduce HZ incidence in patients with hematologic malignancies (HMs). Here, we describe ZV immunogenicity from these studies.

Methods: Patients were randomized to ZV or placebo (4 doses).

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Introduction: We characterized real-world treatment patterns in older (65-74 years) and oldest (75-85 years) patients with diffuse large B-cell lymphoma (DLBCL) receiving initial therapy (R-CHOP, non-R-CHOP regimens). Impact of comorbidities on treatment choice, and overall and progression-free survival (OS, PFS) were assessed by age.

Patients And Methods: Using the Humedica database, we identified 1436 newly diagnosed patients with DLBCL who received frontline therapy from 1/07-9/15.

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Background: Patients who are immunocompromised because of malignancy have an increased risk of herpes zoster and herpes zoster-related complications. We aimed to investigate the efficacy and safety of an inactivated varicella zoster virus (VZV) vaccine for herpes zoster prevention in patients with solid tumour or haematological malignancies.

Methods: This phase 3, two-arm, randomised, double-blind, placebo-controlled, multicentre trial with an adaptive design was done in 329 centres across 40 countries.

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Aim: To evaluate treatment patterns of diffuse large B-cell lymphoma (DLBCL).

Patients & Methods: First-line and relapsed/refractory treatment patterns and survival outcomes following first-line therapy in adult patients newly diagnosed with DLBCL were evaluated.

Results: A total of 1436 DLBCL patients initiated treatment and mainly received a combination regimen versus monotherapy (92.

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Objectives: We applied a claims-based definition of disability status as a proxy for performance status (PS) and examined associations between PS and mortality in a population-based cohort of older US adults with multiple myeloma (MM).

Materials And Methods: We identified older (≥66 years) Medicare beneficiaries diagnosed with MM January 1, 2008-December 31, 2011, who began first-line therapy in the study period (through December 31, 2012). We estimated predicted probability of poor PS for each patient at initiation of each line up to fourth-line therapy, classified as poor (predicted probability ≥0.

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Background: Few studies have evaluated real-world treatment patterns and survival in follicular lymphoma (FL). This study evaluated these outcomes among newly diagnosed patients with FL in routine clinical care.

Patients And Methods: A retrospective study was conducted in newly diagnosed patients with FL from Humedica, a large United States electronic medical record database, from January 1, 2008 to July 31, 2015.

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Aim: Evaluate healthcare costs and utilization of treated diffuse large B-cell lymphoma (DLBCL) and follicular lymphoma (FL) patients.

Materials & Methods: Adults with newly diagnosed DLBCL and FL between 1 January 2008 and 31 October 2015 were identified in the Optum™ claims database. Healthcare costs and utilization were assessed from diagnosis date until end of follow-up.

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Mantle cell lymphoma (MCL) predominantly affects older adults, with a median age at diagnosis of 70years. A frequently aggressive yet incurable lymphoma, the goal of therapy for MCL is to turn a potentially life-threatening illness into a chronic disease with prolonged periods of remission. Large randomized trial data supports the standard treatment in younger patients of cytarabine-based induction followed by autologous stem cell transplant.

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Objective: Actual weight-based (AWB) chemotherapy dosing is recommended for obese patients in the 2012 ASCO Clinical Practice Guideline. CALGB 49907, which utilized ABW-based adjuvant chemotherapy dosing, was a phase 3 trial in women age≥65years with early stage breast cancer, providing the opportunity to examine impact of such dosing on toxicities and outcome in older patients with breast cancer.

Materials And Methods: Adverse event data were available for 615 of 633 enrolled patients.

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Objectives: One-third of patients with multiple myeloma (MM) are diagnosed at age≥75years. Older patients have increased incidence of cardiovascular disease (CVD) and renal insufficiency (RI), hallmark complications of MM. We examined cumulative incidence of CVD and RI in relapsed/refractory MM (RRMM) and outcomes by age and RI/CVD.

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Exposure to Agent Orange (AO) has been associated with the development of chronic lymphocytic leukemia (CLL). We performed a retrospective study of 2052 Vietnam veterans identified in the National VA Tumor Registry to assess the impact of AO exposure on CLL prognosis, treatment and survival. Prognostic factors did not differ based on exposure.

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Background: Echocardiography is fundamental for diagnosing infective endocarditis (IE) in patients with bacteremia (SAB), but whether all such patients require transesophageal echocardiography (TEE) is controversial.

Methods: We identified SAB cases between February 2008 and April 2012. We compared sensitivity and specificity of transthoracic echocardiography (TTE) and TEE for evidence of IE, and we determined impacts of IE risk factors and TTE image quality on comparative sensitivities of TTE and TEE and their impact on clinical decision making.

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Patterns of myeloid growth factor (GF) usage and febrile neutropenia (FN) were examined in patients >60 years of age with diffuse large B-cell non-Hodgkin lymphoma (DLBCL) enrolled on CALGB 9793/ECOG-SWOG 4494, receiving initial therapy with cyclophosphamide, doxorubicin, vincristine, prednisone (CHOP) or rituximab + CHOP (R-CHOP). Myeloid GFs were administered to 256/520 (49%) patients. Indications for use were: prevent dose reduction/dose delay (81%, 207/256); treat FN or non-febrile neutropenia (NFN) (19%, 48/256).

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It is important to realize that guidelines cannot always account for individual variation among patients. They are not intended to supplant physician judgment with respect to particular patients or special clinical situations. IDSA considers adherence to these guidelines to be voluntary, with the ultimate determination regarding their application to be made by the physician in the light of each patient's individual circumstances.

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