Kamakshi V. Rao

Antiemetics: American Society of Clinical Oncology Clinical Practice Guideline Update

PURPOSE To update the American Society of Clinical Oncology (ASCO) guideline for antiemetics in oncology. METHODS A systematic review of the medical literature was completed to inform this update. MEDLINE, the Cochrane Collaboration Library, and meeting materials from ASCO and the Multinational Association for Supportive Care in Cancer were all searched. Primary outcomes of interest were complete response and rates of any vomiting or nausea. RESULTS Thirty-seven trials met prespecified inclusion and exclusion criteria for this systematic review. Two systematic reviews from the Cochrane Collaboration were identified; one surveyed the pediatric literature. The other compared the relative efficacy of the 5-hydroxytryptamine-3 (5-HT(3)) receptor antagonists. RECOMMENDATIONS Combined anthracycline and cyclophosphamide regimens were reclassified as highly emetic. Patients who receive this combination or any highly emetic agents should receive a 5-HT(3) receptor antagonist, dexamethasone, and a neurokinin 1 (NK(1)) receptor antagonist. A large trial validated the equivalency of fosaprepitant, a single-day intravenous formulation, with aprepitant; either therapy is appropriate. Preferential use of palonosetron is recommended for moderate emetic risk regimens, combined with dexamethasone. For low-risk agents, patients can be offered dexamethasone before the first dose of chemotherapy. Patients undergoing high emetic risk radiation therapy should receive a 5-HT(3) receptor antagonist before each fraction and for 24 hours after treatment and may receive a 5-day course of dexamethasone during fractions 1 to 5. The Update Committee noted the importance of continued symptom monitoring throughout therapy. Clinicians underestimate the incidence of nausea, which is not as well controlled as emesis.

Chemomobilization with Etoposide is Highly Effective in Patients with Multiple Myeloma and Overcomes the Effects of Age and Prior Therapy

The optimal mobilization strategy prior to autologous stem cell transplantation for patients with multiple myeloma remains unclear. Mobilization with cytokines alone appears to yield suboptimal results in older patients as well as patients who have received prior lenalidomide. To avoid the marked cytopenias and risks of hemorrhagic cystitis associated with the administration of cyclophosphamide, we investigated the efficacy and safety of chemomobilization with an intermediate dose etoposide (VP-16; 375 mg/m(2) on days +1 and +2) and granulocyte-colony stimulating factor (G-CSF) (5 μg/kg twice daily from day +3 through the final day of collection). We reviewed our institutional experience with 152 myeloma patients mobilized with this regimen. The addition of VP-16 to G-CSF resulted in successful mobilization in 100% of patients, including 143 (94%) who collected successfully in a single day. A total of 99% of patients, including those with prior XRT and/or prior lenalidomide or thalidomide therapy, collected at least 5 × 10(6) cells/kg in 1 or 2 days of apheresis, and the median total number of CD34(+) cells collected in the entire population was 12 × 10(6) cells/kg. Collection was predictable, with 61% of patients collecting on day +11, and the rest between days +7 and +13. There were no variables, including age, prior imid exposure, radiation therapy, or total amount of prior therapy that were associated with suboptimal mobilization. Adverse effects of the regimen included supportive transfusions required in 31 (20%) patients, and fevers requiring hospitalization or intravenous antibiotics in 26 (17%) patients. VP-16 and G-CSF appears to be a safe and effective mobilization regimen for patients with multiple myeloma undergoing autologous stem cell transplantation, producing excellent stem cell yield with the majority of patients requiring 1 day of apheresis.

Utilization of collaborative practice agreements between physicians and pharmacists as a mechanism to increase capacity to care for hematopoietic stem cell transplant recipients.

Survival after hematopoietic stem cell transplantation (HSCT) has improved and the number of allogeneic HSCTs performed annually in the United States is expected to reach 10,000 by 2015. The National Marrow Donor Program created the System Capacity Initiative to formulate mechanisms to care for the growing number of HSCT recipients. One proposed method to increase capacity is utilization of pharmacists to manage drug therapy via collaborative practice agreements (CPAs). Pharmacists have managed drug therapy in oncology patients with CPAs for decades; however, there are limited HSCT centers that employ this practice. Engaging in collaborative practice and billing agreements with credentialed pharmacists to manage therapeutic drug monitoring, chronic medical conditions, and supportive care in HSCT recipients may be cost-effective and enable physicians to spend more time on new or more complex patients. The goal of this paper is to provide a framework for implementation of a CPA and address how it may improve HSCT program capacity.

The oncology pharmacy in cancer care delivery in a resource-constrained setting in western Kenya

The movement to deliver cancer care in resource-limited settings is gaining momentum, with particular emphasis on the creation of cost-effective, rational algorithms utilizing affordable chemotherapeutics to treat curable disease. The delivery of cancer care in resource-replete settings is a concerted effort by a team of multidisciplinary care providers. The oncology pharmacy, which is now considered integral to cancer care in resourced medical practice, developed over the last several decades in an effort to limit healthcare provider exposure to workplace hazards and to limit risk to patients. In developing cancer care services in resource-constrained settings, creation of oncology pharmacies can help to both mitigate the risks to practitioners and patients, and also limit the costs of cancer care and the environmental impact of chemotherapeutics. This article describes the experience and lessons learned in establishing a chemotherapy pharmacy in western Kenya.

Effectiveness of etoposide chemomobilization in lymphoma patients undergoing auto-SCT

The effectiveness of stem cell mobilization with G-CSF in lymphoma patients is suboptimal. We reviewed our institutional experience using chemomobilization with etoposide (VP-16; 375 mg/m2 on days +1 and +2) and G-CSF (5 μg/kg twice daily from day +3 through the final day of collection) in 159 patients with lymphoma. This approach resulted in successful mobilization (>2 × 106 CD34+ cells collected) in 94% of patients (83% within 4 apheresis sessions). Fifty-seven percent of patients yielded at least 5 × 106 cells in ⩽2 days and were defined as good mobilizers. The regimen was safe with a low rate of rehospitalization. Average costs were

Impact of Pharmacy Residency Research Training on Residents’ Actual Versus Perceived Ability and Interest to Identify and Solve Practice-Related Problems

14 923 for good mobilizers and

A Study of layered learning in oncology

27 044 for poor mobilizers (P<0.05). Using our data, we performed a ‘break-even’ analysis that demonstrated that adding two doses of Plerixafor to predicted poor mobilizers at the time of first CD34+ cell count would achieve cost neutrality if the frequency of good mobilizers were to increase by 21%, while the frequency of good mobilizers would need to increase by 25% if three doses of Plerixafor were used. We conclude that chemomobilization with etoposide and G-CSF in patients with lymphoma is effective, with future opportunities for cost-neutral improvement using novel agents.

Effectiveness of an Algorithm-Based Approach to the Utilization of Plerixafor in Patients Undergoing Chemotherapy-Based Stem Cell Mobilization

Purpose: The American Society of Health-System Pharmacists (ASHP) requires that accredited residency programs provide pharmacy residents the opportunity to perform a practice-based project. The objective of this study was to evaluate the impact of pharmacy residency research training on residents’ actual versus perceived ability to solve practice-related problems in their professional careers. Methods: This cross-sectional study surveyed postgraduate year 1 (PGY1) pharmacy practice residents who completed training at a large academic medical center between 2007 and 2013. The survey consisted of 3 areas of assessment, that is, (1) general demographics, (2) perceived research abilities, and (3) self-reported research productivity. Results: A total of 39 residents were eligible; of those, 27 completed the survey (69.2% response rate). Participants reported low perceived ability for conductance of some research activities including study design development, implementation, and publication. No association between perceived research ability and self-reported research productivity was found. Research experience prior to residency training strongly predicted for subsequent publication after completion of PGY1 residency training (P < .0001). Conclusions: New training mechanisms may be needed to optimize research training that will provide residents with greater emphasis on areas of perceived deficiency.

Phase I/II Trial of Dose-Escalated Busulfan Delivered by Prolonged Continuous Infusion in Allogeneic Transplant Patients

Objective. To explore use of pharmacy learners as a means to expand pharmacy services in a layered learning practice model (LLPM), to examine whether an LLPM environment precludes achievement of knowledge-based learning objectives, and to explore learner perception of the experience. Design. An acute care oncology pharmacy practice experience was redesigned to support the LLPM. Specifically, the redesign focused on micro discussion, standardized feedback (eg, rubrics), and cooperative learning to enhance educational gain through performing clinical activities. Assessment. Posttest scores evaluating knowledge-based learning objectives increased in mean percentage compared to pretest values. Learners viewed the newly designed practice experience positively with respect to perceived knowledge attainment, improved clinical time management skills, contributions to patient care, and development of clinical and self-management skills. A fifth theme among students, comfort with learning, was also noted. Conclusion. Layered learning in an oncology practice experience was well-received by pharmacy learners. Data suggest a practice experience in the LLPM environment does not preclude achieving knowledge-based learning objectives and supports further studies of the LLPM.

Current and Future Clinical Strategies in the Management of Chronic Myeloid Leukemia

Autologous stem cell transplantation remains a mainstay of therapy for diseases such as multiple myeloma and relapsed lymphoma. The use of plerixafor has been shown to augment the ability to collect adequate stem cells, but the optimal use of this agent when used with chemotherapy is not yet clear. We utilized an algorithm-based approach with the addition of plerixafor to 54 patients undergoing chemomobilization with reduced-dose etoposide who had a less than optimal preapheresis CD34(+) cell count. We used a CD34(+) precount of 20 cells/μL as a threshold to initiate stem cell apheresis. Ninety-four percent of patients were successfully collected and proceeded to transplantation. Fourteen of 51 (28%) patients who successfully collected required plerixafor to augment stem cell yield. Of the patients who successfully collected, 94% (89% of the entire population) were able to collect in 2 or fewer days. Compared with previous data from our institution, the rate of patients collecting > 4 × 10(6) CD34(+) cells/kg in a single collection was increased from 39% to 69%. The safety profile of this approach was acceptable. The use of this algorithm-based method to determine when and whether to add plerixafor to chemomobilization was shown to be a successful and cost-effective approach to stem cell collection.