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The content of patient counseling about interchangeable medicines and generic substitution in Finnish community pharmacies - a survey of dispensers

BMC Health Services Research volume 19, Article number: 956 (2019) Cite this article

Abstract

Background

Generic substitution aims to increase the use of more affordable generic preparations and restrain the growth of medicine expenditures. Pharmaceutical staff plays an important role in generic substitution by implementing substitution and counseling customers. The aim of this study was to explore how Finnish dispensers inform pharmacy customers about interchangeable medicines and generic substitution and what customers ask dispensers about generic substitution and the reference price system.

Methods

A questionnaire was sent to a random sample of dispensers (n = 1054) working in community pharmacies in spring 2018. The data was analyzed using frequencies, percentages and the Chi-square test and Fisher’s exact test. The open-ended questions were analyzed first using inductive content analysis and later with the quantitative methods mentioned above.

Results

The final study material consisted of 498 questionnaires (response rate 51%). The main topics dispensers always informed customers about were the physician’s record in the prescription not to substitute the medicine (69%) and that the prescribed or purchased interchangeable medicine did not belong in the reference price band (59%). Topics mentioned often by dispensers dealt with customer’s chance to choose their medicine from among several alternative products (68%) and the manufacturer of the interchangeable medicines (66%). Differences in appearance (33%) or in composition (28%) of interchangeable products were the most common topics mentioned only when the customer asked about them. Of the respondents 17.6% always and 51.4% often informed the customer about the least expensive interchangeable product at the point of dispensing. Customers’ questions about the generic substitution and reference price system most commonly (82.4%) concerned the similarity of interchangeable medicines.

Conclusions

Finnish dispensers provide customers with a wide range of information about different subjects when dispensing interchangeable medicines. Patient counseling generally meets the legislative requirements, except for price counseling. In future, information about generic substitution and interchangeable medicines should continuously be provided to customers both at pharmacies and elsewhere, e.g. through educational campaigns.

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Background

Escalating pharmaceutical expenditures and their reimbursement costs are a global concern in healthcare [1]. New, more expensive medicines and aging populations are two of the main reasons for this [2]. Generic substitution (GS) and reference price system (RPS) have been important in attempts to restrain the growth of pharmaceutical expenditures [2, 3]. They curb expenditures by promoting the use of more affordable generic preparations and stimulating price competition between interchangeable medicines. GS is already widely used around the globe including in 41 European countries, the United States, Canada and Australia [3,4,5,6], and substantial cost savings have been achieved.

According to several studies, pharmaceutical staff play a significant role in GS by implementing substitution and counseling customers [7,8,9,10,11,12,13]. Customers who have received information about substitution and interchangeable medicines have a more positive view about these matters [8, 12, 14,15,16,17]. Conversely, lack of information is associated with confusion, uncertainty and negative attitudes towards substitution [8, 12, 15, 18,19,20,21]. It may also reduce patient compliance [18, 20] and threaten medication safety, e.g. in cases where one interchangeable preparation gets confused with another [18, 22]. However, only a few studies have addressed the content of patient counseling about GS and interchangeable medicinal products [23,24,25].

In Finland, mandatory GS was adopted at the beginning of April 2003 [26, 27]. Since then pharmaceutical staff have been obliged to substitute a prescribed medicine with the cheapest or close-to-cheapest interchangeable medicine, unless either physician or customer prohibits this [28]. GS in pharmacies is based on the list of interchangeable medicines created by the Finnish Medicines Agency Fimea. Medicines are considered interchangeable when they contain the same quantity of the same active substance, are biologically equivalent and have the same pharmaceutical form [29]. There are certain exceptions to the list, e.g. tablets and capsules may be substituted for each other, and for pharmacological or clinical reasons some medicine groups are not included in the scope of GS.

At the beginning of April 2009, GS was supplemented with the RPS [27], in which interchangeable medicines are clustered into reference price groups and for each group a reference price is defined [30]. The reference price sets a limit on the price for which reimbursement is available and is computed by adding €0.50 to the retail price of the least expensive interchangeable product in the reference price group. This €0.50 price difference is also called the reference price band, and medicines belonging in the price band are reimbursed based on their retail price. If the medicine is priced higher than the reference price and the customer does not want to substitute the medicine for an interchangeable medicine within the same price band, he or she must pay the excess in addition to the co-payment. Reference price groups, products included in the groups and reference prices are determined every three months. However, pharmaceutical companies can change the pricing of their products every two weeks.

In Finland GS and RPS have resulted in significant cost savings. By the beginning of 2018 they had generated savings of over €1 billion, of which around €850 million were savings for medicine users and nearly €150 million were savings for the Health Insurance Scheme [31]. Even though GS and RPS mean cost savings, both the customer and the physician can prohibit substitution. In 2017 around 41.8 million reimbursable medicine prescriptions were purchased, of which around 31.1 million (74.4%) prescriptions were eligible for GS [32]. Of these, customers declined substitution in 4.9% of cases and physicians in 1.2%.

In Finland, only pharmacists (M.Sc. in Pharmacy) and dispensers (B.Sc. in Pharmacy) are allowed to dispense prescriptions and counsel customers about medicines [28]. Pharmacies are required to counsel customers about the correct and safe use of medicines. Customers must also be given information about medicine prices and other factors affecting their choice of product. Recently many legislative changes to GS and RPS have been introduced in order to reduce the prices of interchangeable medicines and promote their use and price competition [33, 34]. These changes have altered the principles of GS and set new requirements for patient counseling in pharmacies. Since 2016 price counseling in pharmacies about prescription medicines has had to include information about the least expensive interchangeable product at the point of dispensing [33, 35] In addition, at the beginning of 2017 the reference price band was narrowed from €1.50–€2.00 down to €0.50 [34, 36].

The aim of this study was to explore (1) what information Finnish dispensers provide to pharmacy customers about interchangeable medicinal products and GS, (2) whether counseling includes information about the least expensive interchangeable product, and (3) what kind of questions pharmacy customers ask dispensers about GS and the RPS.

Methods

Study setting

The cross-sectional postal survey was conducted in February and March 2018. The questionnaire was sent to a random sample (one–third) of dispensers (n = 1054) working in community pharmacies. Dispensers (B.Sc. in Pharmacy) were chosen as the target group because they are the biggest occupational group in pharmacies and are mainly responsible for dispensing prescriptions and patient counseling, whereas pharmacists (M.Sc. in Pharmacy) usually work as managers alongside the pharmacy owner (M.Sc. in Pharmacy) [37]. The sample was obtained from the register of the Finnish Pharmacists’ Association. A reminder was mailed twice to each recipient. The response period was approximately two weeks in all mailing rounds.

The four-page questionnaire consisted of 18 questions (Additional file 1). The questions were designed on the basis of the legislative requirements set for the content of pharmacy customer counseling about GS [28, 38] and some previous studies [7, 9, 11, 39, 40]. The face validity of the questionnaire was tested by all the authors and by five research colleagues familiar with questionnaires as a research method and the study concept. The questionnaire was piloted simultaneously in two pharmacies, where dispensers filled in the questionnaire and commented on the intelligibility of the questions. Minor modifications were made to the questionnaire on the basis of the pilot.

This paper examines the responses to the four questions concerning the content of dispenser-customer communication. The content of pharmacy customer counseling was investigated with the question: “What do you tell customers about medicines included in the RPS when dispensing prescriptions?”. The question offered 15 fixed responses. Respondents were instructed to answer the question using four response options to indicate how often they discussed the listed topics with customers: 1 = always, 2 = often, 3 = rarely, 4 = only when asked about it. The respondents also were able to list other commonly discussed topics with space for a freely worded answer. In order to investigate whether counseling includes information about the least expensive interchangeable product, the respondents were asked whether they provide this information at the point of dispensing RPS medicines. The question had the same four response options as the question mentioned earlier. If the respondents answered using options 2 = often, 3 = rarely or 4 = only when asked about it, they were also asked to clarify the situations in which they do not tell customers about the least expensive interchangeable product. In addition, dispensers were asked with open-ended question about the questions customers have about GS and the RPS.

Background information on the respondents was collected with an open-ended question about age and structured questions about gender, the location of the pharmacy and the number of prescriptions purchased per year in the pharmacy. At the beginning of the questionnaire the respondents were asked to state their current job at the pharmacy. Respondents not currently working in a pharmacy were asked to return the questionnaire blank.

The study setting and research process were in accordance with local and national ethical instructions for research [41,42,43]. This study required no ethical approval.

Data analysis

The data was analyzed using IBM SPSS Statistics for Windows, Version 25 using frequencies, percentages and the Chi-square test and Fisher’s exact test. The Chi-square test or Fisher’s exact test was used to compare the representativeness of the study population with respect to age and gender, and to examine whether either of these factors was associated with how they answered the question about informing customers about the least expensive interchangeable product. The open-ended questions were analyzed first using inductive content analysis and later with the quantitative methods mentioned above. The level of statistical significance was defined as p-values < 0.05.

Results

After two reminders a total of 572 questionnaires were returned. However, 74 questionnaires were excluded because the respondents stated they did not currently work in a community pharmacy (n = 66) or returned the questionnaire blank (n = 8). Consequently, the final study sample was 980 dispensers of whom 498 (51%) returned the completed questionnaire. The representativeness of the study population was analyzed with respect to age and gender, and was found to be largely representative of the target population. However, dispensers aged ≤29 years were overrepresented in the study sample compared to the target population (15.5% versus 11.4%, p-value = 0.009) (Table 1).

Table 1 Characteristics and representativenessa of the study population
Full size table

Dispenser-customer communication during the interchangeable medicine prescription purchase

Dispensers provided a wide range of information about different topics when dispensing interchangeable medicinal products included in the RPS. Most of the topics were discussed often or always (Fig. 1). Those that were always mentioned to customers were the physician’s record in the prescription not to substitute the medicine (69%), the notion that the prescribed or purchased interchangeable medicine did not belong in the reference price band (59%), and the customer’s option to substitute the medicine for an equivalent but cheaper medicinal product (55%). Often-mentioned topics dealt with the customer’s right to choose their medicine from among several alternative products (68%), the manufacturer of the interchangeable medicinal product (66%), and the availability of the interchangeable medicinal products (65%). Differences in appearance (33%) or in composition (28%) of interchangeable products were the most common pieces of information given only when customers asked about them. The same information, together with the medicine’s inclusion status in the reference price band for products within the price band, was mentioned least often (Fig. 1).

Fig. 1
figure 1

Information provided by dispensers to customers about the interchangeable medicines included in the reference price system. a e.g. information about reference price system, possible differences in storage conditions, the preparation the customer used last time, the interchangeable medicines contain the same active substance.

Full size image

Price counseling during the dispenser-customer communication

Of the respondents 17.6% (n = 86) always informed the customer about the least expensive interchangeable product at the point of dispensing. Over half (51.4%, n = 251) stated they often inform the customer about the least expensive product, whereas around one-third informed customer rarely (26.0%, n = 127) or only when the customer asks about it (4.9%, n = 24). Men were more likely than women to inform the customer about the least expensive interchangeable product only when the customer asks about it (14.8% n = 4 versus 4.4% n = 20, p-value = 0.038). There were no statistically significant differences with respect to respondent’s age.

Respondents who did not always inform the customer about the least expensive interchangeable product were asked to clarify the situations in which they do not do so. The three most frequently given reasons were the small price difference between the least expensive and other interchangeable products (68.3%), the unavailability of the least expensive product in the pharmacy or from the pharmaceutical wholesaler (51.9%), and the customer’s earlier or long-term use of a specific interchangeable product (26.7%) (Table 2).

Table 2 Reasons why the dispenser does not inform the customer about the least expensive interchangeable product at the point of dispensing (n = 397)
Full size table

Questions about GS and RPS

The most common questions customers ask dispensers about the GS and the RPS concerned the similarity of interchangeable medicinal products (Table 3). The other commonly asked questions dealt with the prices and differences between interchangeable medicinal products. Questions directly about the RPS were not common.

Table 3 Questions customers usually present about generic substitution and reference price system (n = 465)
Full size table

Discussion

According to this study, Finnish dispensers inform customers about many different topics when dispensing interchangeable medicinal products included in the RPS. Patient counseling about interchangeable medicines and GS generally meets the legislative requirements, except for price counseling. Even though price differences between interchangeable medicines are often discussed with customers, only one-fifth of the Finnish dispensers always inform customers about the price differences. In addition, information about the least expensive interchangeable product is not always included in the counseling.

This study shows that dispensers in Finland use their professional judgement when not informing customers about the least expensive interchangeable product. The most common reasons for not informing the customer were the small price difference between the least expensive and other interchangeable products, and the unavailability of the least expensive product in the pharmacy or from the pharmaceutical wholesaler. It might be inconvenient to inform the customer about the least expensive interchangeable product if the price difference is just a couple of cents, or if the product is not available and the customer needs to have the medicine at once. Similar reasons for not performing or recommending GS have been found in a Japanese study [44].

However, in this study the questions about price differences and changed prices were customers’ second most common questions to dispensers. This indicates that customers are interested in prices and they wish to be given information about them. In many previous studies cost savings have been reported as an important reason why customers and patients substitute their medicine [7, 9, 12, 21, 45,46,47] . Cost savings for customers and patients have also been recognized as a reason for pharmacists to recommend GS [23, 24, 48] . Hence, price difference can be seen as an important factor affecting the substitution process. Price difference, however, is a subjective matter. From the customer’s point of view, the dispenser is unable to evaluate the customer’s desire to substitute their medicine without asking. This highlights the importance of price counseling during GS.

Another reason for not offering the least expensive interchangeable product concerned the customers themselves, e.g. difficulty in understanding the substitution or the risk of confusion about the substituted preparations. This kind of concern about confused patients due to GS has been recognized among pharmacists in previous studies [23, 49,50,51]; in addition to our study its significance for substitution has been found in an Australian study [23]. From the customers’ and patients’ point of view, confusing factors have been associated with differences in the appearance or packaging of interchangeable medicines [8, 20, 52]. Hence, information about differences between interchangeable medicines might reduce such confusion. Finnish dispensers often informed customers about differences in the packaging of generic medicines. However, differences in appearance were seldom discussed or only when the customer asked about them. This may be due to the difficulty of properly comparing the properties of interchangeable medicines. Even though Finnish pharmacies have databases containing summaries of product characteristics (SPC), the information must be sought separately and the number of alternatives makes the comparison even harder. To prevent confusion dispensers should give customers more information about any changes in the appearance of the medicines they are purchasing. In addition, measures should be taken to facilitate comparison of the properties of interchangeable medicines in order to improve the quality of patient counseling.

The questions customers most commonly asked dispensers about GS and RPS mainly dealt with the similarity of interchangeable medicines. This may indicate customers’ lack of knowledge about interchangeability and substitution policies. The few questions about the practical implementation of GS and the physician’s role in GS support this observation. The findings are significant, because even though GS has been in use in Finland since 2003, it still seems that customers are not always aware of the system. On the other hand, this is to be expected since because of the ageing population there are new medicine users who may not yet be familiar with the system. The questions about similarity may also indicate customers’ mistrust in interchangeable medicines. In previous studies customers and patients have been reported to believe generics to be less effective [13, 14, 21, 47, 53], of inferior quality [15, 20, 53,54,55] or to cause more side effects [8, 13, 14, 18, 21, 22, 56]. Questions about similarity and side effects were mentioned in our study, too. Patients’ lack of knowledge about substitution and mistrust in generic medicines may function as a barrier to GS and thus undermine the potential cost savings of the system. Hence, it is important constantly to inform medicine users about GS and what interchangeability means and not simply to rely on the information given during the early years of GS. In future, educational campaigns or information material should be provided.

Strengths and limitations

This study has several strengths. It provides new information about the mandatory GS and RPS with an obligation to provide price counseling. In Finland, the GS and RPS have been in use since 2003 and 2009, respectively, hence dispensers are well experienced in answering the questions. The reasons given in the situation in which dispensers do not inform the customer about the least expensive interchangeable product were obtained through an open-ended question. This provided a broad view of the factors behind the scene.

The respondents were obtained from the register of the Finnish Pharmacists’ Association, which encompasses almost every dispenser in Finland. The response rate of 51% is good and similar to that obtained in the previous generic substitution postal survey for dispensers conducted in Finland in 2004 (54%) [39]. In postal surveys about generic substitution conducted elsewhere the response rate of pharmacists has varied between 15 and 58% [57]. In our study the respondents represented the target population quite well, except that dispensers aged ≤29 years were slightly over represented. Therefore, we suggest that the results can be generalized with caution to apply to all Finnish community dispensers.

Besides background questions, the questions examined in this article have not been used in any previous studies and thus the validity and reliability of these questions have not been tested. However, legislation and some previous studies were utilized when developing the questions. In addition, the face validity of the questionnaire was tested and the questionnaire was pilot tested in two pharmacies. Furthermore, the response rate for the questions posed in this paper was also high (93–99.6%) and thus it can be assumed that the questions were probably understandable. This makes the results more reliable.

It must be noted that the results of this paper are based on dispensers’ self-reports, and thus some aspects of the results may be over- or underemphasized. The results relating to customers’ most common questions about GS and RPS represent dispensers’ own subjective views. This means that the results may have differed if the question had been presented to customers. In future the same question should be put to customers in order to obtain a more comprehensive picture. In addition, the content of counseling was measured using four response options about how often they discussed the listed topics with customers: 1 = always, 2 = often, 3 = rarely, 4 = only when asked about it. Although this gives a broad view about generally discussed subjects, it does not reveal the details of the discussion. With a different research method like an interview or observation study, the content of counseling could be examined in more detail. Although the principles of GS and RPS vary between different countries, the findings of this paper can be utilized provided the differences between systems are taken into account.

Conclusions

Patient counseling about interchangeable medicines and GS in Finland is generally given according to the legislation. However, price counseling does not entirely fulfill its legislative requirements, because price counseling and information about the least expensive interchangeable medicines is not always given to customers. Finnish dispensers give customers wide-ranging information about different subjects when dispensing interchangeable medicines. According to Finnish dispensers, pharmacy customers’ questions about GS and RPS mainly concern the similarity of interchangeable medicines. This may indicate customers’ inadequate knowledge of the interchangeable medicines and substitution policies. In future, information about GS and interchangeable medicines should continuously be provided to customers both at pharmacies and elsewhere, e.g. through educational campaigns.

Abbreviations

GS:

Generic substitution

RPS:

Reference price system

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Acknowledgements

The authors would like to thank the Finnish Pharmacists’ Association for their help with the study sample.

Availability of data and material

The datasets generated and analysed during the current study are not publicly available because permission has not been sought from respondents to share material.

Funding

This study was funded by the Social Insurance Institution of Finland (Kela). Kela was not involved in the design of the study, data collection, data analysis, interpretation of the data and in writing the manuscript. The opinions expressed in this document are those of the authors and do not reflect the official position of Kela.

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Authors and Affiliations

  1. School of Pharmacy/ Social Pharmacy, Faculty of Health Sciences, Kuopio Campus, University of Eastern Finland, Box 1627, FI-70211, Kuopio, PO, Finland

    Riikka Rainio, Riitta Ahonen & Johanna Timonen

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  1. Riikka Rainio
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  2. Riitta Ahonen
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  3. Johanna Timonen
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Contributions

RR, RA, and JT participated in designing the study and collecting the data. RR conducted the data analysis and drafted the first version of the manuscript. All Authors participated in discussing the findings, contributed to the critical revision of the manuscript, and read and approved the final manuscript.

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Correspondence to Riikka Rainio.

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Ethics approval and consent to participate

The study setting and research process were executed in compliance with local and national ethical instructions for research [41, 42]. According to the guidelines drawn up by the National Advisory Board on Research Ethics (TENK), this study required no ethical approval, because an ethical review is not required for this type of human sciences research in Finland [42]. Participation in this study was voluntary and answering to the questionnaire and mailing it to the researchers was regarded as an informed consent to participate in the survey [42].

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Not applicable.

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The authors declare that they have no competing interests.

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Supplementary information

Additional file 1.

Questionnaire - Survey for dispensers regarding generic substitution and reference price system.

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Rainio, R., Ahonen, R. & Timonen, J. The content of patient counseling about interchangeable medicines and generic substitution in Finnish community pharmacies - a survey of dispensers. BMC Health Serv Res 19, 956 (2019). https://doi.org/10.1186/s12913-019-4798-2

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BMC Health Services Research

ISSN: 1472-6963

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