Background Chemotherapy-induced thrombocytopenia (CIT) is a potentially serious complication that can lead to chemotherapy dose delays, dose reductions, or discontinuation, and increases the risk of serious bleeding events. The objectives of this study were to characterize the incidence, clinical consequences, and economic costs of CIT in current US clinical practice. Methods A retrospective cohort design and data from two US private healthcare claims repositories (01/2010–12/2016) were employed. Study population comprised adults who received selected myelosuppressive chemotherapy regimens for solid tumors or non-Hodgkin’s lymphoma. CIT was identified based on: diagnosis code for thrombocytopenia or bleeding; procedure code for platelet transfusion or bleeding control; or drug code for thrombopoietin-receptor agonist. Incidence of CIT was evaluated during the chemotherapy course (max. no. cycles = 8), and associated consequences and costs (2016US$) were evaluated during the cycle of the CIT episode. Results Among 215,508 cancer chemotherapy patients, CIT incidence during the course (mean no. cycles = 4.6) was 9.7% (95% CI: 9.6–9.8), and ranged from 6.1% (5.9–6.3) for regimens containing cyclophosphamide to 13.5% (12.7–14.3) for regimens containing gemcitabine; among all patients, incidence was 2.7% (2.6–2.8) in cycle 1, 2.7% (2.6–2.8) in cycle 2, and 2.9% (2.9–3.0) in cycles thereafter. One-third of CIT episodes were managed in hospital, and for the subset of patients hospitalized with a first-listed diagnosis of CIT, mean length of stay was 4.6 (4.4–5.0) days and mean cost of inpatient care was $36,448 (32,332-41,331). Across cycles with CIT, mean cost of CIT-related care was $2179 (2029-2329), comprising $1024 (881–1167) for inpatient care and $1153 (1119-1187) for outpatient care. Conclusions In this retrospective evaluation of cancer chemotherapy patients, CIT incidence was high, especially among patients receiving gemcitabine-based regimens, and the costs of CIT-related care were substantial. Accordingly, interventions aimed at identifying and targeting high-risk patients for preventative measures may yield substantial clinical and economic benefits. Electronic supplementary material The online version of this article (10.1186/s12885-019-5354-5) contains supplementary material, which is available to authorized users.

Objectives To evaluate the use of granulocyte colony-stimulating factor (G-CSF) prophylaxis in US patients with selected metastatic cancers and chemotherapy-induced febrile neutropenia (FN) incidence and associated outcomes among the subgroup who did not receive prophylaxis. Methods This retrospective cohort study was conducted at four US health systems and included adults with metastatic cancer (breast, colorectal, lung, non-Hodgkin lymphoma [NHL]) who received myelosuppressive chemotherapy (2009–2017). Patients were stratified by FN risk level based on risk factors and chemotherapy (low/unclassified risk, intermediate risk without any risk factors, intermediate risk with ≥ 1 risk factor [IR + 1], high risk [HR]). G-CSF use was evaluated among all patients stratified by FN risk, and FN/FN-related outcomes were evaluated among patients who did not receive first-cycle G-CSF prophylaxis. Results Among 1457 metastatic cancer patients, 20.5% and 28.1% were classified as HR and IR + 1, respectively. First-cycle G-CSF prophylaxis use was 48.5% among HR patients and 13.9% among IR + 1 patients. In the subgroup not receiving first-cycle G-CSF prophylaxis, FN incidence in cycle 1 was 7.8% for HR patients and 4.8% for IR + 1 patients; during the course, corresponding values were 16.9% and 15.9%. Most (> 90%) FN episodes required hospitalization, and mortality risk ranged from 7.1 to 26.9% across subgroups. Conclusion In this retrospective study, the majority of metastatic cancer chemotherapy patients for whom G-CSF prophylaxis is recommended did not receive it; FN incidence in this subgroup was notably high. Patients with elevated FN risk should be carefully identified and managed to ensure appropriate use of supportive care.

Introduction: Primary immune thrombocytopenia (ITP), an autoimmune disorder characterized by low platelet count, can lead to serious bleeding events. Little is known about the current epidemiology of ITP in the US, and even less is known about the current healthcare burden of ITP, especially in the 12-month period following ITP diagnosis. Method: We used a retrospective cohort design and data from two US private healthcare claims databases (2010)(2011)(2012)(2013)(2014)(2015)(2016) to identify persons with evidence of newly diagnosed ITP. We weighted estimates of the annual incidence of ITP by age and sex to reflect the US population, and summarized healthcare utilization and expenditures (2016 US$) during the first 12 months after ITP diagnosis ("followup period"). Results: Annual incidence of ITP in the US was 6.1 per 100,000 persons, higher among females versus males (6.7 vs. 5.5), and highest among children aged 0-4 years (8.1) and adults aged !65 years (13.7). Patients with ITP averaged 0.33 (95% CI: 0.32-0.35) hospitalizations and 15.3 (15.1-15.6) ambulatory encounters during the follow-up period; mean total healthcare expenditures during this period were $21,290 (20,502-22,031). Hospitalizations were more common during the first 3 months following diagnosis, and were twice as frequent among children versus adults; expenditures for ambulatory encounters were substantially higher for adults versus children aged 0-4 years. Conclusions: Our findings suggest that nearly 20,000 children and adults are newly diagnosed with ITP each year in the US, substantially higher than previously reported. Among patients requiring formal medical care, the economic burden during the first 12 months following diagnosis is high, with estimated US expenditures totaling over $400 million.

Purpose To examine the impact of computerized provider order entry (CPOE) implementation on average time spent on medication order entry and the number of order actions processed. Methods An observational time and motion study was conducted from March 1 to March 17, 2011. Two similar community hospital pharmacies were compared: one without CPOE implementation and the other with CPOE implementation. Pharmacists in the central pharmacy department of both hospitals were observed in blocks of 1 hour, with 24 hours of observation in each facility. Time spent by pharmacists on distributive, administrative, clinical, and miscellaneous activities associated with order entry were recorded using time and motion instrument documentation. Information on medication order actions and order entry/verifications was obtained using the pharmacy network system. Results The mean ± SD time spent by pharmacists per hour in the CPOE pharmacy was significantly less than the non-CPOE pharmacy for distributive activities (43.37 ± 7.75 vs 48.07 ± 8.61) and significantly greater than the non-CPOE pharmacy for administrative (8.58 ± 5.59 vs 5.72 ± 6.99) and clinical (7.38 ± 4.27 vs 4.22 ± 3.26) activities. The CPOE pharmacy was associated with a significantly higher number of order actions per hour (191.00 ± 82.52 vs 111.63 ± 25.66) and significantly less time spent (in minutes per hour) on order entry and order verification combined (28.30 ± 9.25 vs 36.56 ± 9.14) than the non-CPOE pharmacy. Conclusion The implementation of CPOE facilitated pharmacists to allocate more time to clinical and administrative functions and increased the number of order actions processed per hour, thus enhancing workflow efficiency and productivity of the pharmacy department.

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