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Pharmacy Practice (Internet)

versión On-line ISSN 1886-3655

Pharmacy Practice (Internet) vol.8 no.2  abr./jun. 2010

 

INTERNATIONAL SERIES: ADHERENCE

 

Medication adherence and community pharmacy: a review of education, policy and research in England

Cumplimiento de medicación y farmacia comunitaria: revisión de la educación, política e investigación en Inglaterra

 

 

Sarah Clifford1, Sara Garfield2, Lina Eliasson3, Nick Barber4

1. PhD. Lecturer in Medicines in Health. Department of Practice and Policy. The School of Pharmacy, University of London. London (United Kingdom).
2. PhD. Post-doctoral Research Fellow. Department of Practice and Policy. The School of Pharmacy, University of London. London (United Kingdom).
3. BSc(Hons). Research Fellow. Department of Practice and Policy. The School of Pharmacy, University of London. London (United Kingdom).
4. PhD. Professor of the Practice of Pharmacy. Department of Practice and Policy. The School of Pharmacy, University of London. London (United Kingdom).

Series editors:
Marie P. SCHNEIDER. PhD. Researcher and lecturer in Pharmacy Practice. Community Pharmacy, Dpt of ambulatory care and community medicine, University Hospital, Lausanne (Switzerland).
Parisa ASLANI. PhD. Senior Lecturer in Pharmacy Practice. Faculty of Pharmacy, University of Sydney (Australia).

 

 


SUMMARY

Objective: The objective of this narrative review was to identify and describe the current policy, education and research related to community pharmacy and medication adherence in England.
Methods: Medline, Embase, International Pharmaceutical Abstracts and Pharmline were used to search for relevant research articles. Current policy documents were identified via the websites of the Department of Health in England, the Royal Pharmaceutical Society of Great Britain, the National Pharmacy Association, the Pharmaceutical Services Negotiating Committee and NHS Employers. All pharmacy schools in England were contacted to obtain information about the adherence-related courses they provide to undergraduate and postgraduate pharmacy students.
Results: National policies and guidelines in England are conducive to an increasing role for community pharmacists to support patients with medication adherence. Many pharmacy schools cover the issue of adherence in their undergraduate and postgraduate courses. Research in this area has tested the effectiveness of pharmacists providing adherence support in the form of compliance aids, education, involvement in discharge planning, and tailored interventions.
Conclusion: In community pharmacy in England, current policy and funding arrangements suggest there is great scope for pharmacists to support patients with medication adherence. Further research is necessary to identify the most useful, cost-effective and sustainable approach in practice.

Key words: Medication Adherence. Pharmacists. Education, Pharmacy. United Kingdom.


RESUMEN

Objetivo: El objetivo de esta revisión narrativa fue identificar y describir la política, educación e investigación actuales relacionadas con la farmacia comunitaria y el cumplimiento de la medicación en Inglaterra.
Métodos: Se utilizaron Medline, Embase, International Pharmaceutical Abstracts y Pharmline para buscar artículos de investigación relevantes. Se identificaron los documentos políticos actuales a través de la página web del Departamento de Salud de Inglaterra, de la Royal Pharmaceutical Society de Gran Bretaña, de la Asociación Nacional de Farmacia, del Pharmaceutical Services Negotiating Committee y del NHS Employers. Se contactó con todas las facultades de farmacia en Inglaterra para obtener información sobre los cursos relacionados con el cumplimiento que proporcionaban a estudiantes de pre- y post-grado.
Resultados: Las políticas nacionales y las guías en Inglaterra son conducentes a un mayor papel de los farmacéuticos comunitarios en el apoyo al cumplimiento de la medicación en pacientes. Muchas facultades de farmacia cubren la materia de cumplimiento de la medicación en sus cursos de pre- y post-grado. La investigación en esta área ha probado la efectividad de los farmacéuticos proporcionando apoyo al cumplimiento de la medicación a través de dispositivos de ayuda al cumplimiento, educación, participación en los planes al alta, y en intervenciones específicas.
Conclusión: En la farmacia comunitaria en Inglaterra, la política y las condiciones de financiación actuales sugieren que hay un gran interés por los farmacéuticos en apoyar a los pacientes en su cumplimiento con la medicación. Se necesita más investigación para identificar los abordajes más útiles, costo-efectivos y sostenibles en la práctica.

Palabras clave: Adherencia a la medicación. Farmacéuticos. Educación farmacéutica. Reino Unido.


 

Introduction

The World Health Organisation (WHO) referred to non-adherence as "a worldwide problem of striking magnitude" and improving adherence to medication has become a priority for health care researchers and policy makers.1 Researchers suggest that 30-50% of patients do not take their medication for chronic conditions as prescribed.2,3

The cost of non-adherence to patients is a missed opportunity for treatment gain and, if their condition worsens, a possible decline in their quality of life. Costs also arise from the perspective of the health care system; the cost of unused or unwanted medications exceeds GBP100 million annually.4 Furthermore, the increased likelihood of hospitalisations and complications as a result of non-adherence can also increase costs.5,6

In England, the community pharmacist has an increasingly important role to play in improving adherence and this is supported by current health policy. A recent White Paper (government policy document) from the Department of Health (DH) in England, called "Pharmacy in England - building on strengths, delivering the future", sets out an innovative agenda for improving patient care by building on the existing strengths of community pharmacy to deliver further improvements in pharmacy services, such as support with medication adherence.4

A recent survey, commissioned by the DH, found that 75% of people report to have visited a community pharmacy for health-related reasons within the last 6 months7 so pharmacists are well placed in the community to support patients with their medication use. According to an analysis of the Royal Pharmaceutical Society of Great Britain register in 2009, there were 38,051 registered pharmacists in England.8 Other figures show there are 10,475 community pharmacy premises in England.9 Community pharmacists work independently or as part of a multiple pharmacy group but all are independent contractors to the publicly funded National Health Service (NHS).

The aim of this narrative review is to describe the policy, education and research related to community pharmacy and medication adherence in England. The objectives are: 1) To report on the undergraduate and postgraduate education about medication adherence in pharmacy schools in England; 2) To describe national policies and guidelines in England related to medication non-adherence and the role of the community pharmacist; and 3) To identify and evaluate research related to the development and evaluation of community pharmacy adherence services in England.

 

Methods

To identify relevant policy documents, hand searches were performed of the websites of the Department of Health (England), the Royal Pharmaceutical Society of Great Britain (RPSGB), the National Pharmacy Association (NPA), the Pharmaceutical Services Negotiating Committee (PSNC) and NHS Employers (NHSE).

All pharmacy schools in England were contacted via email to obtain information about the adherence related education they provide to their undergraduate and postgraduate pharmacy students. Respondents were asked whether or not they provided adherence-related courses or lectures and, if so, to give details in an open-ended section.

Research articles related to community pharmacy adherence services in England published in the last 10 years were identified using the following databases: Medline, Embase; International Pharmaceutical Abstracts and Pharmline. We used the keywords [compliance or adherence], and [pharmacy or pharmacist] and [England or UK]. We also searched the reference lists of relevant papers in order to identify any additional studies.

 

Results

Education

Thirteen of the 21 pharmacy-teaching institutions in England responded. All pharmacy educational institutions in England offer a 4 year undergraduate Master of Pharmacy (MPharm) degree which is currently accredited by the Royal Pharmaceutical Society of Great Britain (RPSGB). On successful completion of the MPharm degree, students have to undertake a year of pre-registration training in an approved hospital or community pharmacy (or a split placement with six months spent in industry and six months in a hospital) before they can register as a pharmacist with the RPSGB. Some institutions also offer postgraduate pharmacy courses (Diploma and MSc) and short courses/modules for pharmacy technicians.

Table 1 provides an overview of the current undergraduate and postgraduate education regarding medication adherence at each of these institutions. All institutions reported that they cover the concept of medication adherence in their undergraduate curriculum. Teaching and learning methods include lectures, practicals and workshops. The postgraduate and pharmacy technician courses also cover the topic of medication adherence.

Policy

National guidelines on medication adherence:

In January 2009, the National Institute for Health and Clinical Excellence (NICE) published a clinical guideline called "Medicines adherence: involving patients in decisions about prescribed medicines and supporting adherence".10 NICE is an independent organisation responsible for making recommendations about the treatment and care of people with specific diseases and conditions in the NHS in England and Wales.

The NICE medicines adherence guidelines are based on a review of the relevant evidence and recommendations are provided on how health care professionals (HCPs) can help patients make informed decisions about their medicines and how they can support patients to adhere to their prescribed treatment. NICE recommends three key ways in which this can be achieved: involving patients in decisions about their treatment, supporting adherence and reviewing medicines.

Firstly, the recommendation, "Involving patients in decisions about their treatment", is designed to help HCPs increase their understanding of the patients´ perspective regarding their treatment and to provide information about the condition and possible treatments.

The second recommendation, "Supporting adherence", calls on HCPs to support adherence by assessing patients´ adherence at appropriate times during the process of prescribing, dispensing and reviewing medicines. The aim is to identify when patients need additional information and support. HCPs should also consider whether further support or interventions are needed to help patients use their medicines most effectively. NICE guidelines emphasise how different approaches are needed depending on whether the non-adherence is intentional (related to beliefs, concerns, side effects etc) or unintentional (usually caused by practical problems). This is important because previous research has shown the underlying causes of these two types of non-adherence to be very different.11-13

The third recommendation, "Reviewing medicines", calls on HCPs to perform a regular review of a patient´s experience, needs and use of their medicines over time. The guidelines also highlight the need for improved communication between different health care professionals involved in a patient´s care, to maximise continuity of care and consistency of information provided.

National policy and programmes specific to community pharmacy:

The NICE guidelines are relevant for all HCPs involved in prescribing, dispensing and reviewing of medicines. To highlight the relevance for pharmacists, the Royal Pharmaceutical Society of Great Britain (RPSGB) published a reference sheet for pharmacists based on the NICE clinical guidelines.14 The pharmacy checklist that forms part of the two-page RPSGB reference sheet is shown in Table 2. The checklist highlights opportunities that pharmacists have to implement the guidelines at different steps of the prescribing, dispensing and reviewing process.

The recent government White Paper, "Pharmacy in England: building on strengths - delivering the future", discussed ways in which community pharmacists can provide services to support people´s adherence to medicines.4 Medicines Use Review (MURs) and Repeat Dispensing are cited as key opportunities for community pharmacists to intervene in supporting patients with the safe and effective use of their medicines. The community pharmacy contractual framework in England was revised in April 2005 to allow pharmacists to be reimbursed for these additional "advanced" and "enhanced" services.15 The new framework has three different levels of services:

- Essential services: these must be provided by all contractors, e.g. dispensing and medicines waste disposal.

- Advanced services: these can be provided by all pharmacy contractors who have the necessary accreditation requirements (related to either the pharmacist or the pharmacy premises), e.g. MURs.

- Enhanced services: these are commissioned by primary care trusts to meet specific local healthcare needs, e.g. disease-specific medicines management, smoking cessation services.

The Medicines Use Review service is a structured meeting between an accredited pharmacist and a patient, to identify any problems a patient may be experiencing with their medicines and, where necessary, to provide information and support to improve the patient´s knowledge, understanding and use of their prescribed medicines. Research has been done to assess the uptake of MURs by community pharmacists16 and pharmacists´ attitudes towards performing them17, but no studies have yet evaluated whether MURs improve adherence to medication. The Department of Health recognises that this is an important priority for further research.4

The repeat dispensing scheme allows patients to receive up to a 12 month supply of their prescribed medicines directly from their community pharmacy. Where this was previously done via the patient´s general practitioner (GP), this now gives pharmacists the opportunity to check on how a patient is experiencing their medicines and whether they need further support with adhering to their treatment recommendations.

The pharmacy White Paper also highlights the potential to provide additional adherence support when patients are starting a new prescription for a long term condition, such as hypertension or high cholesterol. Furthermore, Primary Care Trusts (PCTs), the local National Health Service organisations responsible for planning and funding primary care services, are also able to commission extra adherence services from community pharmacists to address issues specific to their local population.15 Information on the extent to which these services are actually commissioned in practice is hard to identify. However, a recently launched initiative, called "Motivation for Medicines adherence service (M4M)", from an organisation called NPC Plus is an example of how pharmacists can deliver and be reimbursed for these services in practice.18 M4M provides the resources that a Primary Care Trust needs to commission a pharmacy adherence service that is customised to their local area. The training in therapeutics and adherence support they provide is designed to prepare community pharmacists to deliver planned, structured M4M consultations with patients that will improve medication adherence. NPC Plus is a collaboration between the National Prescribing Centre and Keele University in England.

The scope of pharmacy involvement in supporting medicines adherence is likely to widen as the pharmacy white paper stated "The Government considers further work is needed to strengthen the commissioning of services to support adherence to medicines and will therefore take forward, in partnership with interested parties, discussions on appropriate measures".4

Research

From the literature search, adherence research studies in community pharmacy in England were related to either: a) compliance aids, b) patient education, c) community pharmacy involvement in discharge planning or d) patient-tailored interventions. Table 3 provides a summary of the eight studies identified (reported in nine research articles).

Compliance aids:

Mulitcompartment compliance aids (MCA) are issued to patients to make it easier for them to take their medication and improve adherence. The aids are divided into 7 days and each day is divided into four or more sections representing dosing times. Medication is dispensed into the correct corresponding compartments. In the UK, the available compliance aids vary in size and structure; some being disposable and others being reusable.19 Some devices have multiple medicines in one compartment whereas others have only single medicines in each compartment.

Three studies have addressed the use of compliance aids in England, the first consisted of a pharmacist (n=123) and patient survey (n=61) assessing how MCA are used in primary care20, the second was a survey of the use of MCA in secondary care in the UK and their transfer to primary care19 and the third was an exploratory controlled matched study to assess the effects of introducing MCA in frail elderly patients in one area of England.21 The results below focus on the use of MCA in community pharmacy settings.

The primary care survey by Nunney and Raynor, conducted in one area of England, found that an average of 11 patients per pharmacy were receiving their medicines in MCAs.20 When these findings are extrapolated to the UK population this suggested that over 100,000 patients living in their own homes have medicines dispensed in MCAs. Processes for dispensing in MCA and the amount of patient contact varied between pharmacies.20 Pharmacists reported that general practitioners (GPs) and hospital staff were the most likely to initiate a request for an MCA, followed by carers and social service staff, with pharmacists being the least likely. Half the pharmacists reported that they would then visit the patient to assess the appropriateness of an MCA but the other half would not. Further to this, many patients had little contact with the GP or pharmacist with the majority of patients having their medication ordered by the pharmacist and nearly half having it delivered to their home by a person other than a healthcare professional.

The effectiveness of MCA in increasing adherence has been studied very little in England. None of the three MCA studies reviewed here included a direct measure of adherence. In the survey by Nunney and Raynor, the research pharmacist carried out a subjective assessment and suggested that 29 out of 61 patients would be able to cope well or reasonably well without an MCA. Twenty two percent of patients said they would be able to take their medication if it was dispensed in conventional containers and 18% said they had difficulty using the device. In the controlled matched study by Ryan-Woolley and Rees, medication wastage was reduced from 18.1% pre study to 1% 12 months after a change from conventional packaging to an MCA.21 However, data on wastage was not available for the control group. This may reflect the fact that it is easier to monitor medication in an MCA. A quarter of patients surveyed by Nunney and Raynor reported that the MCA allowed them to see if they had forgotten a dose.

However, despite a lack of evidence on effectiveness, GPs, pharmacists and patients have all expressed positive views of multicompartment compliance aids. In the study by Ryan-Woolley and Rees, half the GPs interviewed (n=4) attributed the MCA to improved communication with patients during consultations. The pharmacists (n=2) indicated an increased level of professional satisfaction as a direct consequence of supplying the MCA. All intervention group patients (n=31) stated that they found it easy to remember to take their prescribed medication at the correct time as a result of the MCA. In the survey by Nunney and Raynor over 90% (n=52) of patients said that the MCA was much better than ordinary bottles.20

Remuneration issues were raised in all three studies. Nunney and Raynor found the majority of pharmacists requested 7 day prescriptions in order to get remuneration for dispensing in MCA.20 Only one third of hospital pharmacists initiating MCA stated that they knew the local funding arrangements for MCAs once patients were living back in the community.19 The most commonly reported method of funding was the use of 7 day prescriptions, followed by dispensing fees for MCA, followed by the patients themselves. Pharmacists supplying MCA in the controlled trial expressed concerns about additional time and costs associated with supplying MCA.21

Education:

Little research in England has evaluated educational interventions alone by community pharmacists. A before and after study, in three areas of England, evaluated a community pharmacist intervention to increase adherence to effective use of emollients in children with eczema.22 Adherence was found to increase after the intervention but this result was not tested for statistical significance. There was a small statistical difference in one of the clinical outcomes measured (itch and irritability). However, convenience sampling was used in a very specific population group and the results are not generalisable.

Community pharmacy involvement in discharge:

Data regarding the effectiveness of community pharmacy involvement in discharge in England is also limited. One intervention included community pharmacy domiciliary visits as part of a pharmacy discharge plan.23 The intervention had no effect on any of the study outcomes including re-admission to hospital, number of deaths, attendance at appointments, general well being, satisfaction with the service and knowledge and adherence to prescribed medication. However, the community pharmacy service was only one part of the intervention and data were not captured on what pharmacists actually did at the visits.

Tailored interventions:

Three studies, reported in four papers, have evaluated the effect of patient tailored interventions on adherence and all have shown positive outcomes.24-27 In these studies, pharmacists assessed the patients´ adherence related problems and tailored the action they took according to the patient´s responses. Blenkinsopp et al carried out a randomised controlled trial for patients with hypertension.24 Following the patient tailored adherence intervention, there were statistically significant increases in blood pressure control, self reported adherence and prescription refill amongst the intervention group when compared to the control group. Raynor et al carried out a before and after study for elderly patients and found that after the tailored adherence intervention the number of patients with medication related problems and the number of patients who reported non-adherence significantly fell.25 The intervention was also found to result in projected savings in costs per patient per year. Clifford et al carried out a randomised controlled trial of a tailored adherence intervention for patients starting new medication for a chronic condition and found that both medication-related problems and self reported non-adherence were significantly lower in the intervention than the control group.26 An economic analysis was also included and the intervention was found to be cost effective compared to usual care.27

 

Discussion

The aim of this narrative review was to describe the policy, education and research related to community pharmacy and medication adherence in England. The results show that there are national policies which support the role of community pharmacists in activities that facilitate adherence to medication. Furthermore, reports from educational institutions show that this important topic is covered during the training of undergraduate pharmacy students. Research evidence shows that a range of community pharmacy-related interventions have been developed to improve medication adherence, but there is still limited evidence on the effectiveness and cost-effectiveness of these approaches.

Taken together, the NICE guidelines on medication adherence10 and the Department of Health White Paper on the future of pharmacy4, shows that the policy context is highly conducive to community pharmacists in England adopting roles to support patients with their medication use, for example, via Medicines Use Reviews (MURs) and repeat dispensing. Furthermore, there is an increasing opportunity for more effective working relationships between community pharmacists and other primary care services which could lead to an enhanced ability to influence medication adherence. In 2010, NHS Employers, the British Medical Association´s General Practitioners Committee (GPC) and the Pharmaceutical Services Negotiating Committee (PSNC) developed and published two guides to support general practitioners and community pharmacists in finding new ways of working together.28,29 Improved collaborative relationships are likely to increase the likelihood of delivering effective services to support patients with their medication adherence - e.g. better communication and consistency of information and advice about prescribed medicines.

In terms of educating pharmacists about adherence, all of the educational institutions who responded reported that they cover the topic of adherence/compliance in their undergraduate curriculum. A range of teaching methods were reported to be used, including lectures, workshops and practicals. Two institutions reported using a health psychologist to teach this component, which points to a growing multi-disciplinary nature of teaching and learning activities in pharmacy practice in England. As several institutions did not respond and this was only a brief self-report survey, further investigation is needed to examine whether pharmacy education is commensurate with the new roles that are available for community pharmacists to provide medication adherence-related support. For new services to be successful, it is crucial to ensure that pharmacists feel competent and skilled in delivering them. Pharmacy education needs to provide pharmacists with an understanding of the often complex issues underlying patients´ reasons for non-adherence.3

In England, research to evaluate the effectiveness of community pharmacists´ efforts to support patients with adherence is relatively limited. There is a specific lack of studies investigating the effectiveness of compliance aids on improving adherence, although this is a commonly used intervention in practice. Interventions that are grounded in theory and tailored to the patient have been shown to improve adherence and be cost-effective and they may be the way forward. However, further research is needed to evaluate these interventions on a larger scale and with a longer follow up period.

 

Conclusions

Non-adherence to medication is a substantial problem which has consequences for patients and the health care system. Services to improve medication adherence have the potential to improve patients´ health and quality of life and to reduce health care costs. In England, community pharmacy policy and funding arrangements show that there is great scope for pharmacists to support patients with medication adherence. Further research is necessary to identify which approach is the most successful, cost-effective and sustainable.

 

Conflict of interest

No conflicts of interest to report.

 

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Received: 30.04.10
Accepted: 28.05.10

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