HHE Oncology 2019 | Page 12

banding for several intravenous anticancer agents, National Health Service (NHS) England has formed Medicines Optimisation and Chemotherapy Clinical Reference Groups with the aim to uniformise prescription practices across the entire region based on previously approved dose bands. The implementation efforts of these reference groups are being encouraged by NHS England via a Commissioning for Quality and Innovation initiative (CQUIN) scheme, which releases funding upon demonstration of improvements in quality from the participating trusts. 1 Currently, there are pre-determined dose bands for 54 chemotherapy agents in England. NHS England’s Medicines Optimisation Intelligence Group is responsible for collecting data to support this implementation, and specific measurement tools and recommendations have been developed by the Chemotherapy Dose Standardisation Steering Group to measure the impact of this initiative. NICE is closely collaborating with NHS England to widen the implementation of dose standardisation for chemotherapy drugs, providing specific guidance on drug sourcing and supply, as well as contracting and tendering. In addition, NICE provides recommendations for the identification of waste during the preparation process, and for the measurement of the impact of dose banding on the patients’ experience with their treatment, as well as on staff satisfaction and the financial impact on Trusts. 1 Benefits of dose banding and ready-to-use products The benefits of chemotherapy dose standardisation are obvious, most notably the time-saving and cost-reducing benefits. In England, the costs incurred by the NHS with chemotherapy amount to approximately £1.5 billion, of which 80% represent anticancer medicines. In addition, these costs seem to grow by approximately 8% every year, which significantly contributes to the financial burden of the health system. With the implementation of discrete dose bands, the administered doses of conventional chemotherapy agents are actually about 6% of the calculated dose for the patient; for biological agents, which are traditionally much more expensive, it is approximately 10%. 1 An analysis of costs and parenteral chemotherapy drug use following dose standardisation in a tertiary oncology centre in England showed a reduction in approximately £100,000 per month on 17 dose-banded drugs, despite an increase in the number of prescribed doses during the same period of time. These encouraging results were accompanied by a reduction of approximately 10% in the total workload associated with drug compounding, ultimately increasing the capacity and productivity of the centre’s aseptic compounding unit. 3 Dose banding can also reduce patients’ waiting times because the ready-to-use drugs can be administered on any day that fits their schedules. Moreover, this practice allows patients to receive their treatment at facilities closer to their residence, given that no special compounding units are required for drug preparation. From the perspective of health care providers, dose banding results in reductions in the time spent with drug preparation and minimises dose calculation errors. Dose banding also prevents time- consuming changes in prescriptions and allows for a rapid dispensation through the use of pre-prepared doses. Financial efficiency can be further improved by outsourcing standardised pre-filled bags of chemotherapy agents for infusion. For commissioners, the uniformisation of doses at the national or regional level contributes to reduced costs arising from the reuse of doses that are not used due to changes in doses during treatment or due to cancellation of the treatment, and from the reduction in incomplete vial usage during the preparation process. 1 In addition to these proven benefits, the available evidence suggests that the use of dose bands does not seem to have a negative impact on the toxicity associated with chemotherapy drugs or on clinical outcomes for patients. 1 A retrospective study conducted in France in 2012 to compare the pharmacokinetic profiles of chemotherapy drugs, administered at regular fixed doses and as dose bands, showed no differences in drug exposure between the two dosing approaches. 4 Another study in England showed the feasibility of the dose banding strategy for five anticancer drugs in paediatric patients with ages ranging from 1 month to 18 years, based on pharmacokinetic parameters. 5 The future of dose standardisation in oncology The standardisation of doses of intravenous cytotoxic chemotherapy agents was initially proposed to improve pharmacy capacity and reduce medication errors and wastage. However, further optimisation of the administration of anticancer drugs can potentially contribute to a more efficient oncology unit. In addition to dose bandings, the use of solvents, volume and labelling of chemotherapy agents can also be subject to uniformisation, which can potentially minimise the risks posed by these toxic drugs to both patients and staff. In the future, a partial or full automation of the drug preparation process may represent an advancement in terms of improvements in drug management since the number of patients diagnosed with cancer continues to increase every year. Formal evaluation of the feasibility, consistency, quality control and assurance of validated dose banding procedures in routine practice are also needed in order to demonstrate a reduction of the financial pressure placed on health systems due to non-standardised dosing. 12 HHE 2019 | hospitalhealthcare.com References 1 National Institute for Health and Care Excellence. Chemotherapy dose standardization. February 2018. www.nice.org.uk/advice/ktt22 (accessed February 2019). 2 British Oncology Pharmacy Association. Medicines Optimisation, Safety and Clinical Pharmacy Workforce Plan. January 2015. www. bopawebsite.org/sites/default/ files/publications/Clinical_ pharmacy_workforce_final2015. pdf (accessed February 2019). 3 Chatelut E et al. Dose banding as an alternative to body surface area-based dosing of chemotherapeutic agents. Br J Cancer 2012;107(7):1100–6. 4 Finch M, Masters N. Implications of parenteral chemotherapy dose standardisation in a tertiary oncology centre. J Oncol Pharm Pract 2018:1078155218812943. 5 White-Koning M. Investigating the potential impact of dose banding for systemic anti-cancer therapy in the paediatric setting based on pharmacokinetic evidence. Eur J Cancer 2018;91:56–67.