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Implementation of medicines pricing policies in sub-Saharan Africa: systematic review



High medicine prices contribute to increasing cost of healthcare worldwide. Many patients with limited resources in sub-Saharan Africa (SSA) are confronted with out-of-pocket charges, constraining their access to medicines. Different medicine pricing policies are implemented to improve affordability and availability; however, evidence on the experiences of implementations of these policies in SSA settings appears limited. Therefore, to bridge this knowledge gap, we reviewed published evidence and answered the question: what are the key determinants of implementation of medicines pricing policies in SSA countries?


We identified policies and examined implementation processes, key actors involved, contextual influences on and impact of these policies. We searched five databases and grey literature; screening was done in two stages following clear inclusion criteria. A structured template guided the data extraction, and data analysis followed thematic narrative synthesis. The review followed best practices and reported using PRISMA guidelines.


Of the 5595 studies identified, 31 met the inclusion criteria. The results showed thirteen pricing policies were implemented across SSA between 2003 and 2020. These were in four domains: targeted public subsides, regulatory frameworks and direct price control, generic medicine policies and purchasing policies. Main actors involved were government, wholesalers, manufacturers, retailers, professional bodies, community members and private and public health facilities. Key contextual barriers to implementation were limited awareness about policies, lack of regulatory capacity and lack of price transparency in external reference pricing process. Key facilitators were favourable policy environment on essential medicines, strong political will and international support. Evidence on effectiveness of these policies on reducing prices of, and improving access to, medicines was mixed. Reductions in prices were reported occasionally, and implementation of medicine pricing policy sometimes led to improved availability and affordability to essential medicines.


Implementation of medicine pricing policies in SSA shows some mixed evidence of improved availability and affordability to essential medicines. It is important to understand country-specific experiences, diversity of policy actors and contextual barriers and facilitators to policy implementation. Our study suggests three policy implications, for SSA and potentially other low-resource settings: avoiding a ‘one-size-fits-all’ approach, engaging both private and public sector policy actors in policy implementation and continuously monitoring implementation and effects of policies.

Systematic review registration

PROSPERO CRD42020178166

Peer Review reports


Over the past decade, the cost of accessing safe and quality healthcare has increased rapidly globally, attributed largely to the high prices of medicines [1]. Additionally, there are concerns that most of the highly priced medicines do not necessarily translate into improved health outcomes [2]. In response to high and increasing medicine prices, medicine pricing policies have been implemented to regulate prices of medicine and improve financial access [3, 4] to safe, quality and affordable medicines, one of the sustainable development goals in attaining universal health coverage by 2030 [5,6,7]. A medicine pricing policy can be defined as a set of written principles or requirements for managing the prices of medicines agreed or adopted by a public institution, a group of purchasing organizations or individual health services [8].

Various medicine pricing policies exist to regulate supply of essential medicines [8]. These policies can be categorized into (a) regulatory framework and direct price control, e.g. reference pricing, mark-up regulation, voluntary license agreement and tiered pricing; (b) targeted public subsidies, e.g. affordable medicines schemes; (c) generic medicine policy, e.g. promoting generic prescribing and use; and (d) purchasing policies, e.g. pooled procurement. Reference pricing is the practice of benchmarking or referencing a medicine price to the price in one or several countries or purchasing authorities [8]. Reference pricing remains a key policy widely employed globally as a regulatory policy [9,10,11,12,13]. Mark-up regulation represents the additional charges and cost applied to the price of a medicine along the supply chain, and this includes setting a single exit price at the ex-factory level [8]. Generic medicine policies are widely recommended and applied in many contexts [14,15,16] to influence medicine prices through competitions [8]. Pooled procurement through a single entity on behalf of individual purchasing authorities promotes competitive prices from manufacturers and suppliers [16,17,18].

The implementation of medicine pricing policies is influenced by multiple contextual barriers or facilitators of implementation approaches and processes. The facilitators include increased competition, skilful negotiations, pragmatic supply management and bulk purchasing [19]. Medicine pricing policies are challenged by the prevailing market conditions in a particular context, including proximity to particular medicines, quantities purchased and functionality of regulatory framework [20, 21]. There is, however, limited published evidence summarizing influences on the implementation of medicines pricing policies across low- and middle-income countries (LMICs).

Most medicine pricing policies have been implemented in high-income countries, but there is paucity of empirical data/evidence on implementation policies in LMICs, especially sub-Saharan Africa (SSA). Understanding medicine pricing policy implementation is particularly important as implementation of these policies can be a major challenge in LMICs where many patients with extremely limited resources need to provide out-of-pocket payments, thus impeding their access to medicines and putting them at further risk with increasing prices [11, 22]. Other studies focused only on the following: effects of reference pricing in organization for economic cooperation and development (OECD) countries [13], government initiatives to mandate drug pricing transparency [23], ensuring access to psychotropic medication [24], factors contributing to the increase in pharmaceutical expenditures [25] and generic drug policies in Brazil, Russia, India, China and South African (BRICS) countries [26].

With this backdrop, we conducted a systematic review on available medicine pricing policies in SSA, their implementation processes, contextual influences and impacts on prices and access to essential medicines. We addressed the main question: what are the key determinants of implementation of medicines pricing policies in sub-Saharan African countries? The review addressed four interrelated questions:

  1. (1)

    Which medicines pricing policies have been implemented in SSA and what are their key elements?

  2. (2)

    How have these policies been implemented (in relation to implementation approaches, processes, involvement of actors and their underpinning evidence)?

  3. (3)

    Which key facilitators and barriers affected implementation of medicines pricing policies and how?

  4. (4)

    What were the effects of medicines pricing policies with regard to reducing prices and improving access to medicines?

This review is aimed particularly at health policy analysts, healthcare professionals, implementation science scholars and decision-makers who are engaged in improving access to medicines in LMIC settings.


The review was conducted as part of a study on ‘Improving equitable access to essential medicines in Ghana through bridging the gaps in implementing medicines pricing policy, which involved collaboration between University of Ghana, Ghana Health Services and University of Leeds, with funding from the National Institute for Health Research (NIHR), UK’. The review follows the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Statement [27]. The review protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO, reference: CRD42020178166) and published [28].

Search strategy

The literature search was initially run in April 2020 to identify studies covering implementation of medicine pricing policies in SSA. We updated and re-ran the searches on 25th May 2021 in Ovid MEDLINE(R) ALL 1946 to May 24, 2021, Embase (Ovid) 1996 to 2021 week 20; Global Health (Ovid) 1973 to 2021 week 20, Web of Science Core Collection, Scopus (Elsevier B.V) and African Index Medicus (via World Health Organization (WHO) Global Health Index Medicus). We also searched for grey literature in the Institutional Repository for Information Sharing (WHO) [29] and the World Bank Open Knowledge Repository [30]. For additional French-speaking articles, we searched the Erudit (University of Montreal) [31] and Cairn International ( databases [32].

Search strategies were developed using the major concepts: sub-Saharan African countries, medicine pricing, medicine policy and implementation. Database subject headings and free text words to search titles and abstracts were identified by the information specialist and project team members. The search terms and strategy were peer reviewed by a senior information specialist using the PRESS Checklist [33]. The searches were not limited by language but were restricted to studies published since 2000. This date was chosen following the introduction of the Millennium Development Goals (MDG) in 2000, which included a global focus on improving access to medicines and services. However, we did not search thee Department for International Development (DFID) or contact experts for additional papers as envisaged in the original protocol. Full search strategies are available in Additional file (see Additional file 1).

The results of the database searches were stored and de-duplicated in an EndNote X9 library. Further relevant studies were added by citation searching of the included studies from the following reviews [13, 23,24,25,26].


A screening decision flowchart was agreed within the review team, which followed inclusion and exclusion criteria (see Additional file 2).

We included all empirical studies (randomized controlled trials (RCTs), quasi-experimental studies, cross-sectional and cohort studies) and reviews in English or French possessing the following criteria:

  • A focus on medicine pricing policies to improve the affordability of medicines in the country

  • A focus on how the policy processes were implemented

  • A SSA context, published since 2000 with relevant information available for analysis

We excluded studies that were as follows:

  • Opinion pieces, commentary or conceptual/theoretical publications

  • Policy analyses which focused solely on the agenda-setting and development stages

  • Conducted two plus years prior to 2000 but published after 2000 as this predates the MDG and Sustainable Development Goals (SDG) agenda

  • In languages where we were unable to resource translation or where full text was unavailable

French articles were screened, translated and data extracted by native French speakers on the research team. Screening was conducted in two stages using the review management software Rayyan [34]. The first stage screening focused on the titles and abstracts and the second on full texts. To ensure consistency across the team, the initial titles and abstracts of 50 records were independently screened by eight researchers, and the results were discussed to reach consensus and standardize approach and calibration. The remaining records were then randomly allocated (295 each) for independent screening. One researcher (T.M) screened the remaining records and co-screened 20% of the records from each reviewers’ subset for consistency. In the second stage, full-text articles were independently reviewed by two researchers (A. C, L. B) against the inclusion criteria. Discrepancies were resolved in discussion between these members and with involvement of two further reviewers (A. K. & T. M.).

Quality assessment

Quality assessment on the included studies was performed independently by two researchers (A. C., L. B.) using the relevant critical appraisal checklists from the Joanna Briggs Institute to assess the methodological quality of the eligible studies. Where discrepancies existed, two other reviewers were consulted (A. K., T. M.). Three quality assessment tools for cross-sectional analytical studies, cohort studies and qualitative studies from the Joanna Briggs Institute tools were used. For the analytical cross-sectional quality assessment, eight domains were assessed as ‘Yes (present), No (absent), Unclear (insufficient information) or Not Applicable’ [35]. The checklist for the qualitative studies has 10 domains assessed as ‘Yes (present), No (absent), Unclear (insufficient information) or Not Applicable’ [36]. Similarly, the checklist for the cohort studies has 11 items and is assessed as yes (present), no (absent), unclear (insufficient information) or not applicable [37]. The checklist criteria were not modified but interpreted flexibly to reflect our focus on the implementation of medicines pricing policies. As a result, the overall scores or results were presented narratively to reflect the presence (yes) or otherwise (no) of which of the domains.

Data extraction and coding

Two authors (A. C., L. B.) extracted the data from all the 31 studies using a Microsoft Word template. The forms were designed to include publication details (author, date, country, study design; date study conducted); medicines pricing policy (key elements, effects on prices, effects on healthcare access); the policy implementation approach (processes, actors, evidence use); and any facilitators and barriers to policy implementation and their effects. Extracted data were coded in identifying the main themes emerging as shown in Table 1.

Table 1 Themes and subthemes

Data analysis and synthesis

Due to the heterogeneous nature of medicines pricing policies, and the countries involved, we conducted a thematic narrative synthesis of the data [38], which followed the four review questions. The thematic summaries in Table 1 were developed drawing on the review questions to categorize the study findings into thematic groups [38]. The findings were synthesized, organized and reported around the main themes and subthemes.


The final searches identified 5505 records, and citation searches identified a further 90 records. Once duplicates were removed, there were 2528 records. Screening by titles and abstracts identified 134 records for full-text review, and 31 studies were eligible for inclusion, data extraction and analysis. Studies were excluded based on wrong outcome (n = 57) because the intervention of interest was not present, population (n = 5), study type (n = 28) such as commentary and theoretical publication, publication type (n = 4) and background article (4) or duplicate (2), not SSA (n = 3), and these are detailed in the PRISMA flow diagram (Fig. 1). The eligible studies were drawn from multiple study designs but mostly quantitative nature, cross-sectional in nature (e.g. [39,40,41,42,43,44] and retrospective studies (e.g. [45,46,47]). The characteristics of studies included in the review are listed in Table 2.

Fig. 1
figure 1

PRISMA flow diagram to illustrate the screening process from the initial search until the final selected studies (Page et al., 2021)

Table 2 Characteristics of the studies included in the review sample size, study design and settings

Quality assessment

Results of the quality assessment are presented in Additional file (see Additional file 3). For cross-sectional analytical studies, a total of 22 out of the 23 studies reported a clearly defined inclusion criteria for the recruitment of participants and description of outcomes to be considered for the study. All the eligible studies provided sufficient information about the study participants and settings. However, only six studies provided information to indicate how potential confounding factors were identified or accounted for, and similarly, little information existed on how confounding factors were addressed. For the qualitative studies, only one study reported information on the philosophical perspective, making it difficult to establish congruity with the research objectives and methodological approaches adopted. However, congruity was established between the research methodology and the data collection methods, analysis and interpretation of the results. None of the studies also reported how the researcher could have potentially influenced the research process. Lastly, for the cohort studies, the nature of the studies did not permit quality appraisal of the three included studies due to limited information. For example, little or no information was provided on how potential confounding factors were identified and dealt with to minimize bias. There was information on the follow-up period in one out of the 3 studies reported. Follow-up was completed for only one study, and strategies to address incomplete follow-ups were not utilized. Measurement of exposures was not done uniformly across both exposed and unexposed populations; thus, the risk of bias was unclear. Statistical analyses adopted in the studies were relevant and reported results addressing the study objectives. Overall, on the cohort studies, there was limited information to sufficiently appraise the studies, thus further increasing ambiguity and risk of bias of the included studies.

Medicine pricing policies implemented in sub-Saharan Africa

In this section, we report results based on the four review questions.

Types of medicine pricing policies implemented in SSA

The 31 articles identified in the review revealed a total of 13 medicine pricing policies were implemented across SSA countries between 2003 and 2020. These policies represent four domains, shown in Table 3: (1) targeted public subsidies, (2) regulatory framework and direct price control, (3) generic medicine policies and (4) purchasing policies.

Table 3 Distribution of medicine pricing policies according to implementation countries

Medicine pricing policies were reported from 22/46 countries in SSA, with 11 of the 31 studies reported from South Africa [46, 50, 54, 57,58,59, 61,62,63,64, 66]. As shown in Fig. 2, most were single-country studies, but a few were based on a multicountry data [51, 55, 59].

Fig. 2
figure 2

Distribution of selected studies per countries in SSA

Some studies focused exclusively on evaluating effects of a medicine pricing policy on access to healthcare [48, 58, 60], the effect of the policy on prevailing prices of medicines [39, 50, 52,53,54,55, 59, 61, 62, 66]. Others, however, evaluated policy effects on medicine prices and access to medicines [40,41,42,43,44, 46, 47, 49, 51, 56, 64, 65, 67].

How medicine pricing policies were implemented?

Approaches to policy implementation

Approaches to policy implementation were described in 10/31 studies. Two main implementation approaches for medicine pricing policies were evident in the data: (a) use of private distribution outlets and networks and (b) use of government’s regulatory frameworks. Three studies [56, 58, 60] were described using private distribution outlets and networks to improve financial and geographical access of medicines through pooled procurement and subsided schemes. For example, in Tanzania, the government engaged private sector pharmaceutical supplier as the prime vendor to provide complementary medicines needed by public health facilities [60].

The second approach involved the use of regulatory frameworks to guide the sale and distribution of medicines [39, 52, 54, 57, 62, 65, 67]. Seven reported on the use of regulatory frameworks. Reduction in reference price was an approach used to set price ceilings for a particular group or category of medicines including generic medicines [62]. The implementation of the single exit price (a fixed ex-factory price) policy was also observed in different contexts [46, 50, 54, 57, 61].

Actors in policy implementation

A total of 22/31 studies highlighted seven groups of policy actors who were involved in policy implementation. These comprised the following: government [40, 42, 43, 46, 47, 49, 51, 56, 58, 60,61,62, 66, 68], wholesalers [39, 41, 46, 65], retailers [39, 41, 46, 47], manufacturers [39, 46, 50, 65, 68], donor agencies [40, 42, 44, 49, 51], professional bodies [47, 52], community members [56] and public and private health facilities [43, 52, 60, 65, 67]. Information reported in the studies covered largely actors’ roles in policy implementation, but did not report actors’ interests, agendas and relative powers.

Evidence to inform policy implementation

None of the studies reported on the use of evidence to inform implementation as well as monitoring and evaluating implemented policies, although few studies (2/31) explicitly described evidence use in informing the design of medicine pricing policies. Where it was reported, evidence was sourced from review of pharmaceutical pricing policies [48] and a WHO report on medicine access and procurement of medical commodities [64].

Key facilitators and barriers to implementation of medicine pricing policies

Multiple contextual facilitators and barriers to the implementation of the medicine pricing policies in sub-Saharan Africa were identified in this review. These were across the micro (individual), meso (organizational) and macro (national) levels (Table 4). Five studies only reported facilitators [43, 46, 49, 54, 59], six reported only barriers [39, 44, 47, 53, 57, 62] and 14 reported both barriers and facilitators [40,41,42,43, 45, 48, 51, 55, 56, 58, 60, 64, 66,67,68].

Table 4 Key facilitators and barriers to implementation of medicines pricing policies

Micro level factors

Three studies cited education and awareness creation where prescribers and users were aware of the medicines and therapies under the new medicine pricing policy as facilitators of successful medicine pricing policies [43, 48, 56]. A key barrier to implementation of medicine pricing policies was the long distance travelled by individuals in order to access medicines [45, 51].

Meso level factors

Introduction of government subsidies and exemptions of generic medicines contributed to a decline in the prices of medicines at facility level in Mali [42]. Pooling resources and buying in bulk also reduced the prices of medicines in Ghana [67]. Shortage of trained personnel and resources to assess and scrutinize prices of medicines and lack of information about medicine prices by the pharmaceutical companies in Sudan [39], and limited access to medicines and frequent stockouts in multiple countries [40, 44, 51, 56], were the main barriers reported.

Macro level factors

The review showed that the use of national essential medicine lists by health facilities was a facilitator of the implementation of reimbursement schemes in Ghana [67]. Other facilitators were funding support from donor agencies [41, 49, 51], international policy interventions such as supporting domestic production of medicines [68] and existing national essential medicines list and medicine and related substance amendment Act [46, 67]. Challenges to implementation included lack of scrutiny on medicines pricing information by regulators with medicine prices of certain generics higher than their originators [39]. Additionally, unfavourable National Health Insurance Scheme reimbursement practices such as reimbursement delays and lack of price ‘mark-up’ standardization [67], and the lack of a coherent and well-functioning national medicine pricing policy, constrain efforts to regulate and ensure better prices for improved access [68].

Effectiveness of implementing medicine pricing policies

Medicine pricing policies sought to achieve two main aims: (a) control or reduce the prices of medicines and (b) improve access to essential medicines. Some studies reported separate effects on medicine prices [50, 53,54,55, 57, 59, 61, 62, 66] or improved access to essential medicines [45, 48, 58, 60]. However, as shown in Table 2, many studies reported on both effects [40,41,42,43,44, 46, 47, 49, 51, 56, 64, 65, 67].

Effect on prices of medicines

Overall, implementation of the different medicine pricing policies largely suggests a reduction in the prices of medicines. The results of the review showed that implementation of the tiered pricing (segmented pricing based on targeted markets), voluntary licensing (removing of regulatory barriers) and generic policy (promoting prescribing generic medicines) in seven different countries across Africa led to reductions in generic direct-acting antivirals (DAA) from US $1200 to between US $684 and US $750, i.e. the generic medicines were 40% cheaper than the originator prices [39]. However, some medicine pricing policies did not change much or appear to influence the prevailing medicine prices following implementation [50]. Although one of the goals of the Pharmacy and Poisons Act (2001) implemented in Sudan was to control prices of the medicines through regulating mark-ups along the supply chain, the evidence generated revealed that the policy did not appear to have an effect in the prevailing medicine prices [39].

Effects on improved access to medicines

Fifteen studies reported evidence of policy effect on improved availability and affordability to essential medicines [40,41,42,43,44,45,46,47,48,49, 51, 56, 60, 65, 69]. In Kenya, implementation of a revolving fund pharmacy model improved the availability of essential medicines from 30 to 40% to over 90% in 15 health facilities [45]. In South Africa, when generic reference pricing was implemented, the use of generic rosuvastatin increased from 24 to 63.9% in the subsequent year and to 76.4% a year later [47]. In their assessment of the use of artemisinin combination therapy for malaria across different households in Tanzania, the researchers found that artemisinin-based combination treatments increased availability within the retail sector from 31 to 49% and then to 61% [48].


This systematic review sought to identify medicines pricing policies implemented in SSA, how these were implemented, which contextual facilitators and barriers affected policy implementation and how effective were these policies. The review revealed 13 different medicine pricing policies reflecting four domains, targeted public subsidies, regulatory framework and direct price control, generic medicine policies and purchasing policies, were implemented across SSA between 2003 and 2020. The medicines pricing policies were implemented in less than half (22/46) of SSA countries. The main implementation approaches involved the use of regulatory frameworks and private distribution outlets and networks. The review showed key actors involved in policy implementation were government, wholesalers, manufacturers, retailers, professional bodies, community members and private and public health facilities. The use of evidence to inform policy implementation was not reported in any of the included studies. Key barriers to policy implementation identified included limited awareness about policies, frequent stock out, lack of capacity to regulate implementation and lack of price transparency in external reference pricing process, whereas key facilitators included existing national essential medicine policy environment, strong political will and support from development partners. Evidence on effectiveness of implemented policies on reducing prices and improving access to medicines was mixed. Reductions in prices were reported only in some studies. There was evidence that implementation of medicine pricing policy led to improved availability and affordability to essential medicines.

The categories of medicine pricing policies identified in this study are similar to what were previously reported, which also highlight predominant focus on regulatory measures or direct price control [70]. Although commonly reported in SSA, regulatory measure or direct control is considered highly contentious with no consensus in the literature. For example, opponents from the pharmaceutical sector advocate for a need for free and open market systems, arguing that government control undermines competition and innovation for developing new drugs and limits access in the market to address new medical conditions [71,72,73]. Weak systems for government direct price control may not lead to the required outcome. As revealed in Sudan [39] and the Philippines [74], regulation of medicine prices does not guarantee reduction in the prices of essential medicines and improved availability and affordability. It is therefore important to critically examine appropriateness of implementation approaches for achieving outcomes within specific contexts. Adequate capacity to monitor and evaluate policy implementation and understand contextual influences on the implementation is therefore critical.

The use of generic medicines as a strategy to reduce prices and ensure improved access was widely employed in SSA, and the effect on price and expenditure favours the use of quality-assured generic medicines [8]. A review of generic medicine pricing policies in Europe revealed that policies for implementing generic medicines used different implementation mechanisms such as reductions in reference prices and prescription status of medicines [75]. In our review, we found similar approaches for generic medicine policy and regulatory frameworks.

Although information on the role of actors was provided in the studies reviewed, the actors’ interests, agendas, relative powers and networking arrangements such as alliance building were missing. This information can be revealed through stakeholder analyses [76,77,78,79] and is often critical to form a comprehensive understanding of policy implementation [80,81,82,83]. This highlights one outstanding gap in the published knowledge on the implementation of medicine pricing policies, thus representing agenda for further research.

The review showed slightly more reported barriers than facilitators to implementation of medicine pricing policies. This may reflect researchers’ bias in revealing more constraints in their investigations [84, 85], though this may also reflect a greater number of contextual inhibitors to the implementation of medicines pricing policies in SSA contexts. The latter can be a particularly important contribution to the field of health policy analysis and transferability of theoretical and practical lessons learned to other health (and non-health) policies.

The ultimate goal of medicine pricing policies is to ensure low and affordable medicine prices as revealed in our review. This finding is in line with another study from Asia which found similar price reductions following implementation of generic medicine pricing policy in Indonesia [86]. The authors reported that following the implementation of the policy, the prices of lowest price generic and innovator brands fell from 40 to 2200% between 2004 and 2010. A review of pharmaceutical pricing policies in developing countries also revealed a similar outcome of reduced medicine pricing policies [70].

Some policies, however, did not have any effect on the prices of medicine [39, 54, 58]. For example, the introduction of a free medicines policy in Cameroon to provide free ART for people living with HIV appeared not to have achieved the goal of improving access to medicines. It was reported that the policy resulted in shortages in supplies, and as result, few patients were able to get the second-line treatment. This was attributed to the fact that the policy did not ensure that adequate systems and infrastructure were in place to address increased demand and avert resultant challenges impeding access to ARTs [58]. This is not new as previous studies revealed that the implementation of generic medicine pricing policy in Europe resulted in higher prices, but higher prices also stimulated competition between generic medicines leading to prices reduction [75].

Implementation of medicine pricing policies can be mediated by different contextual facilitators or barriers. Our review has highlighted that key contextual barriers comprised weak enforcement or regulatory mechanisms, the absence of essential medicines list and the role of foreign exchange currency fluctuations. On the other hand, facilitators included raising awareness about implementation, existence of subsidies, use of essential medicine lists, establishing a fixed profit margin or percentage for manufacturers and the pivotal roles of supportive donor agencies and international policies and interventions. A study in China also revealed contextual barriers such as lack of enforcement of pricing regulations and policies, with authors encouraging strong governance structures and legal frameworks to ensure enforcement [87]. The monitoring and enforcement of medicines pricing frameworks need to be supported by well-trained and skilled personnel, which is often lacking in different SSA countries [39, 53].

This study also reported on the effectiveness of the medicine pricing policies in SSA. Our review showed that some medicine pricing policies have the potential to improve access to essential medicines [40,41,42,43,44,45,46,47,48,49, 56, 60, 65, 69, 88], control or reduce the prices of essential medicines [50, 53, 54, 57, 59, 61, 62, 66, 89] or have dual impact of improved access and controlled price effects [40,41,42,43,44, 46, 47, 49, 56, 64, 65, 67, 88]. However, evidence on the impact of the medicine pricing policies should be carefully interpreted as most of the studies were from nonexperimental or controlled studies, largely cross-sectional studies, e.g. [40,41,42,43,44]. Although a diversity of study designs was included in the review, which were primarily nonexperimental in design, the findings still provide developing and potential evidence of impact following the implementation of the different medicine pricing policies.

The findings from this review contribute to the field of policy analysis. Specifically, the taxonomies of the categories of policies (i.e. targeted public subsidies, regulatory framework and direct price control, generic medicine policy and purchasing policies) and actor groups (e.g. government, community members) involved in implementation and the distinction of micro, meso and macro levels context, which mirrors other policy studies [8, 9, 70, 90, 91].

Implications for policy and future research

This review suggests three implications for improving implementation of medicine pricing policies in SSA, which can also be applied to other health policies in LMICs more generally. First, four broad groups of policy options are available for reducing medicine pricing: targeted public subsidies, regulatory frameworks and direct price controls, generic medicine policies and purchasing policies. However, it is important to design and apply the country-specific implementation mechanisms to avoid a ‘one-size-fits-all’ approach. Second, different stakeholders from both the public and private sectors can play important roles in the design and implementation of medicine pricing policies. Inclusive policy processes which allow representation of multiple voices of policy actors are, therefore, imperative to ensure sustainability of policy implementation, pooling of resources and collective ownership and acceptance. This is particularly pertinent to medicines pricing, given that the private (for profit) sector plays a major role in pharmaceutical manufacturing and distribution, but it is also important to encourage participation of underrepresented not-for-profit groups such as civil society organizations, in health policy processes. Third, it is important to continuously monitor and evaluate the implementation approaches and emerging effects of these policies, something which our review observed was generally lacking. This can represent an opportunity for enhancing the culture of evidence-informed decision-making within government agencies, as well as closer partnerships between government agencies and research organizations.

We call for more research on medicine pricing policy implementation, covering three areas. First, more studies need to examine the role of evidence in the design and implementation of medicines pricing policies. The increased interest and attention on evidence-informed policy and planning decisions [90, 92,93,94,95] can sustain the momentum, and it is important to strengthen capacity within mainstream information systems to generate robust evidence rather than continuously rely on one-off and ‘external’ assessments [90, 93, 96]. Second, future research on the role of policy actors involved in the policy design process is critical for improving policy implementation, particularly covering actors’ interests, agendas, powers and resultant influences [80,81,82,83]. Third, it is critical to generate robust evidence on key contextual influences on policy implementation and understand how individual factors can facilitate or constrain implementation in different settings [97,98,99,100].

Study limitations

We acknowledge the following limitations. First, the review focused on studies conducted in SSA, but we acknowledge variation in income status, socio-economic contexts and healthcare systems across countries. Different contexts inevitably affected how medicine pricing policies were implemented and their outcomes. As a result, we were guided by the generally limited contextual information included in the reviewed studies and resisted making too many assumptions and inferences based on our knowledge of the different countries. We also suggest that experimental studies could report more robust and less biased results, as compared to the reported studies in this review which were largely cross-sectional with limited follow-up. Second, we conducted comprehensive searches in a range of health science, global health and multidisciplinary databases to capture all SSA medicines pricing literature, and although we may have missed some potentially relevant studies by not including specific pharmaceutical databases such as International Pharmaceutical Abstracts, we believe that full articles of most of these abstracts would have been captured from at least one of the databases, and this omission is not expected to miss studies that could likely change the magnitude, direction or conclusions of this review. Third, given the different study designs employed, sample sizes and outcome measures, we faced a challenge to analytically compare the outcomes or effects of the policies on the prices and access to essential medicines. This notwithstanding, we feel our analysis provides a useful taxonomy of types of medicines pricing policies and highlights implementation approaches to inform future policy, practice and research.


The implementation of medicine pricing policies in SSA focused on four policy options: targeted public subsidies, regulatory framework and direct price control, generic medicine policies and purchasing policies. Implementation of these policies in SSA shows some mixed evidence of improved availability and affordability to essential medicines, and it is important to understand country-specific experiences, diversity of policy actors and contextual barriers and facilitators to policy implementation. Our study suggests three policy implications for improving implementation of medicines pricing policies in SSA: avoiding ‘one-size-fits-all’ approach, engaging both private and public sector policy actors in policy implementation and continuously monitoring implementation and effects of policies. Future studies can usefully examine interests, influences, relative powers and coalition formation of policy actors during implementation of medicine pricing policies.

Availability of data and materials

All data generated or analysed during this study are included in this published article.



Low- and middle-income countries


Sub-Saharan Africa


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We acknowledge Mrs. Judy Wright, Leeds Institute of Health Sciences, University of Leeds, for support with the design of the protocol in the early stages of the review.


This research was commissioned by the National Institute for Health Research (NIHR) Global Health Policy and Systems Research Programme using UK aid from the UK government (grant number 130219). The views expressed in this publication are those of the authors and not necessarily those of the NIHR or Department of Health and Social Care.

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AK and TM jointly conceived the study, undertook the systematic review, and drafted the manuscript; LB, AC, ADA, IAA, IAK, TE, and NK undertook the systematic review and revised the manuscript. AK, TM, LB, AC, ADA, IAA, IAK, TE, and NK read and approved the final version of the manuscript.

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Correspondence to Augustina Koduah.

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Supplementary Information

Additional file 1.

African Index Medicus (AIM).

Additional file 2.

Screening flowchart.

Additional file 3.

Quality assessment of included studies.

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Koduah, A., Baatiema, L., de Chavez, A.C. et al. Implementation of medicines pricing policies in sub-Saharan Africa: systematic review. Syst Rev 11, 257 (2022).

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