Policy approaches to improve availability and affordability of medicines in Mexico - an example of a middle income country

Medicines policy, access and use in Mexico: a systematic literature review 2000-2022

Background

Research on medicines access and use is heterogeneous and can be challenging for decision-makers to interpret. Pharmaceutical policy is an additional component for study and is the foundation for the promotion of access and use of medicines. This systematic review summarizes findings from the literature on medicines policy, access and use over the past two decades in Mexico and identifies research gaps that should be addressed.

Methods

A systematic review of the literature published between 2000 and 2022 was conducted to identify publications on medicines policy, access and use in Mexico. The study followed PRISMA Statement guidelines 2020. A narrative review including content analysis was conducted.

Results

A total of 5057 articles were reviewed, of which 77 fit the inclusion criteria. Studies described the lack of an explicit national policy, a misalignment between the legal framework and reinforcement incentives, deficient policy documentation at the national level, and the absence of necessary medicines regulation and transparency. In terms of access to medicines, challenges related to supply, selection, acquisition, distribution and expenditure were noted. Regarding medicine use, key study findings included a lack of adherence to standard treatment guidelines, dispensing, lack of reliable information on medicines, lack of treatment adherence and harmful self-medication.

Conclusion

The appropriate use of medicines and adequate access to them are priority topics for the formulation of Mexican pharmaceutical policy. It is critical that further research includes longitudinal studies of medicine access and use, and the consideration of studying the private sector as well as new methodological approaches. Many reported challenges related to access to and use of medicines have persisted across decades, suggesting a lack of effective research-to-practice knowledge transfer and policy implementation.This article is part of the Hospital pharmacy, rational use of medicines and patient safety in Latin America Special Issue: https://www.drugsincontext.com/special_issues/hospital-pharmacy-rational-use-of-medicines-and-patient-safety-in-latin-america/.

How National Health Insurance Coverage Policy Affected the Use of Trastuzumab and Rituximab in China: A Bicentric Retrospective Study

Background

Cancer is a significant health concern and is China's leading cause of mortality. Targeted therapies, such as trastuzumab and rituximab, have enhanced clinical treatment efficacy. However, their high costs burden patients and healthcare systems considerably. Patient demographic factors further influence the utilization of these expensive drugs. On September 1, 2017, China implemented the National Health Insurance Coverage (NHIC) policy, necessitating additional real-world evidence to assess its impact on patients.

Methods

Data on human epidermal growth factor receptor 2-positive breast cancer and CD20-positive non-Hodgkin B-cell lymphoma patients were gathered in Jiangsu Cancer Hospital and Fujian Cancer Hospital from September 2015 to August 2019, including demographic and clinical information. All eligible patients were divided into two groups. Univariate analysis and multivariable logistic regression were used to investigate the differences between subgroups. An interrupted time-series regression was used to examine the change in trastuzumab and rituximab utilization percentages.

Results

Before and after the NHIC policy, utilization of trastuzumab increased from 61.13% to 75.10%, and the increase was statistically significant. Rituximab therapy increased statistically significantly from 64.79% to 74.88%. The key factor influencing trastuzumab and rituximab use was the NHIC policy. With policy implementation, medical insurance status, occupations, and cancer disease stage affected trastuzumab and rituximab use.

Conclusion

The NHIC policy is essential to the utilization of trastuzumab and rituximab, and the patient's income level and repayment abilities continue to impact the use of innovative anti-cancer drugs. Appropriate steps, such as reducing the urban-rural gap and broadening medical insurance coverage, would enable more people to access novel anti-cancer drugs.

The impact of government reimbursement negotiation on targeted anticancer medicines use and cost in China: A cohort study based on national health insurance data

Background

High prices of targeted anticancer medicines (TAMs) result in financial toxicity for patients and the health insurance system. How national price negotiation and reimbursement policy affect the accessibility of TAMs for cancer patients remains unknown.

Methods

In this population-based cohort study, we used national health insurance claims data in 2017 and identified adult patients with cancer diagnoses for which price-negotiated TAMs were indicated. We estimated the half-month prevalence of price-negotiated TAMs use before and after the policy implementation in September 2017. We calculated direct medical costs, out-of-pocket (OOP) costs, and the proportion of OOP cost for each cancer patient to measure their financial burden attributable to TAMs use. We performed segmented linear and multivariable logistic regression to analyse the policy impact.

Results

We included 39 391 of a total 118 655 cancer beneficiaries. After September 2017, the prevalence of price-negotiated TAMs use increased from 1.4%-2.1% to 2.9%-3.1% (P = 0.005); TAMs users' daily medical costs increased from US$261.3 to US$292.5 (P < 0.001), while median daily OOP costs (US$68.2 vs US$65.7; P = 0.134) and OOP costs as a proportion of daily medical costs persisted (28.5% vs 28.5%; P = 0.995). Compared with resident beneficiaries, the relative probability of urban employee beneficiaries on TAMs uses decreased after the policy (adjusted odds ratio (aOR) = 2.4 vs aOR = 2.2).

Conclusions

The government price negotiation and reimbursement policy improved patient access to TAMs and narrowed disparities among insurance schemes. China's approach to promoting the affordability of expensive medicines provides valuable experience for health policy decision-makers.

Global, regional and national availability of essential medicines for children, 2009-2020: a systematic review and meta-analysis

BACKGROUND

Access to essential medicines is a vital component of universal health coverage. The low availability of essential medicines for children (EMC) has led the World Health Organization (WHO) to issue a number of resolutions calling on member states on its improvement. But its global progress has been unclear. We aimed to systematically evaluate the progress of availability of EMC over the past decade across economic regions and countries.

METHODS

We searched eight databases from inception to December 2021 and reference lists to identify included studies. Two reviewers independently conducted literature screening, data extraction and quality evaluation. This study was registered with PROSPERO, CRD42022314003.

RESULTS

Overall, 22 cross-sectional studies covering 17 countries, 4 income groups were included. Globally, the average availability rates of EMC were 39.0% (95%CI: 35.5-42.5%) in 2009-2015 and 43.1% (95%CI: 40.1-46.2%) in 2016-2020. Based on the World Bank classification of economic regions, income was not proportional to availability. Nationally, the availability rate of EMC was reasonable and high (> 50%) in only 4 countries, and low or very low for the rest 13 countries. The availability rates of EMC in primary healthcare centers had increased, while that for other levels of hospitals slightly declined. The availability of original medicines decreased while that of generic medicines was stable. All drug categories had not achieved the high availability rate.

CONCLUSION

The availability rate of EMC was low globally, with slight increase in the last decade. Continuous monitoring and timely reporting of the availability of EMC are also needed to facilitate targets setting and inform relevant policy making.

Using government data to understand the use and availability of medicines for hypertension and diabetes: lessons from Peru

Background

Regular measurement of the availability and use of key medicines for non-communicable diseases allows the tracking of progress to achieve equitable access to medicines. Using a country-level public sector monitoring system for medicine supply, we aim to evaluate the availability and use of losartan 50 mg tablets and metformin 850 mg tablets between 2015 and 2020 investigating the impact of different policy changes and the COVID-19 pandemic.

Methods

Data from the Peruvian National System of Medicine Supply were analyzed using an interrupted time series analysis with known and unknown structural breaks. The outcomes assessed were medicine use (monthly doses dispensed at facilities over time) and medicine availability (proportion of facilities that reported having the medicine available).

Results

The use of losartan and metformin at the primary level of care had a linear increasing trend over the period of analysis. In secondary and tertiary levels of care, there were no increases but some significant level and trend changes of doses dispensed at different times between 2017 to 2019, but none were related to the change of procurement procedures. At all levels of care, the COVID-19 onset in April 2020 caused an abrupt drop in doses dispensed especially at the primary level. Regarding availability, we found an increasing linear trend in the primary level of care for both medicines. In secondary and tertiary levels of care, the availability fluctuated between 40 and 95%. The onset of the COVID-19 pandemic did not significantly impact medicine availability, except for losartan in the tertiary level of care.

Conclusion

The availability and proper dispensing of first-line medicines for hypertension and diabetes is an essential factor for sustainable and equitable treatment. Health care systems need to be prepared for forecasting the increasing demand of medicines for chronic diseases, but also to maintain effective medicine supply chains during humanitarian crisis like pandemics.

Impact of the National Reimbursement Drug List Negotiation Policy on Accessibility of Anticancer Drugs in China: An Interrupted Time Series Study

Objective

Since 2016, the Chinese government has been regularly implementing the National Reimbursement Drug List Negotiation (NRDLN) to improve the accessibility of drugs. In the second round of NRDLN in July 2017, 18 anticancer drugs were included. This study analyzed the impact of the NRDLN on the accessibility of these 18 anticancer drugs in China.

Methods

National hospital procurement data were collected from 2015 to 2019. As measurements of drug accessibility, monthly average of drug availability or defined daily dose cost (DDDc) was calculated. Interrupted time series (ITS) analysis was employed to evaluate the impact of NRDLN on drug accessibility. Multilevel growth curve models were estimated for different drug categories, regions or levels of hospitals.

Results

The overall availability of 18 anticancer drugs increased from about 10.5% in 2015 to slightly over 30% in 2019. The average DDDc dropped from 527.93 CNY in 2015 to 401.87 CNY in 2019, with a reduction of 23.88%. The implementation of NRDLN was associated with higher availability and lower costs for all 18 anticancer drugs. We found an increasing level in monthly drug availability (β2 = 2.1126), which ascended more sharply after the implementation of NRDLN (β3 = 0.3656). There was a decreasing level in DDDc before July 2017 (β2 = −108.7213), together with a significant decline in the slope associated with the implementation of NRDLN (β3 = −4.8332). Compared to Traditional Chinese Medicines, the availability of Western Medicines was higher and increased at a higher rate (β3 = 0.4165 vs. 0.1108). Drug availability experienced a larger instant and slope increase in western China compared to other regions, and in secondary hospitals than tertiary hospitals. Nevertheless, regional and hospital-level difference in the effect of NRDLN on DDDc were less evident.

Conclusion

The implementation of NRDLN improves the availability and reduces the cost of some anticancer drugs in China. It contributes to promoting accessibility of anticancer drugs, as well as relieving regional or hospital-level disparities. However, there are still challenges to benefit more patients sufficiently and equally. It requires more policy efforts and collaborative policy combination.

A systematic review of pooled procurement of medicines and vaccines: identifying elements of success

INTRODUCTION

Pooled procurement of health commodities has increasingly been promoted as a solution to reduce prices, increase availability, and achieve more efficient procurement processes. However, little is known about what is required to implement pooled procurement mechanisms successfully and how they function under specific circumstances. Therefore, the aim of this systematic review is to synthesize empirically grounded insights by identifying the elements that are essential for setting up and operating pooled procurement mechanisms of medicines and vaccines.

METHODS

Our review was based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We searched PubMed, Scopus and Web of Science for empirical studies on pooled procurement of medicines and vaccines using various search terms. Publications were assessed based on predetermined eligibility criteria.

RESULTS

Our initial search yielded 1596 publications, of which 44 were eventually included in our review. Most of the included articles focused on pooled procurement mechanisms that operated on a sub-national level (43%), procured a variety of products (38%), and were set up with the goal to contain costs (64%). The review identified several elements that are essential for pooled procurement mechanisms to function. We organized these elements around three key actors in the mechanism: buyers, the pooled procurement organization, and suppliers. To participate in pooled procurement, buyers need a sufficient level of technical capacity, financial capacity and compatible laws and regulations. To carry out pooled procurement, the pooled procurement organization needs sufficient financial capacity, technical capacity, and independent operations. To supply the mechanism with health commodities, suppliers need sufficient incentives, such as a sufficient market size and a prompt payment mechanism.

CONCLUSION

Pooled procurement mechanisms are very diverse. They differ in characteristics and organizational structures and are set up to achieve a variety of goals. While certain essential elements are more likely to increase successful implementation and functioning of pooled procurement mechanisms, the organizational structure must be aligned with the goals of the mechanism, and adapted to the local contextual environment.

Comparison of Prices and Affordability of Cancer Medicines in 16 Countries in Europe and Latin America

BACKGROUND

There are concerns that high prices of cancer medicines may limit patient access. Since information on prices for cancer medicines and their impact on affordability is lacking for several countries, particularly for lower income countries, this study surveys prices of originator cancer medicines in Europe and Latin America and assesses their affordability.

METHODS

For 19 cancer medicines, public procurement and ex-factory prices, as of 2017, were surveyed in five Latin American (LATAM) countries (Brazil, Chile, Colombia, Mexico, and Peru) and 11 European countries (Austria, France, Germany, Greece, Hungary, the Netherlands, Poland, Romania, Spain, Sweden, and the UK). Price data (public procurement prices in LATAM and ex-factory prices in Europe) in US dollar purchasing power parities (PPP) were analyzed per defined daily dose. Affordability was measured by setting medicines prices in relation to national minimum wages.

RESULTS

The prices of cancer medicines varied considerably between countries. In European countries with higher levels of income, PPP-adjusted prices tended to be lower than in European countries of lower income and LATAM countries. Except for one medicine, all surveyed medicines were considered unaffordable in most countries. In European countries of lower income and LATAM countries, more than 15 days' worth of minimum wages would be required by a worker to purchase one defined daily dose of several of the studied medicines.

CONCLUSIONS

The high prices and large unaffordability of cancer medicines call for strengthening pricing policies with the aim of ensuring affordable treatment in cancer care.

The impacts of government reimbursement negotiation on targeted anticancer medication price, volume and spending in China

INTRODUCTION

New targeted therapies have changed cancer treatment in the past decades. However, high prices of targeted anticancer medications have increased economic burden for both patients and health insurance systems. In July 2017, China implemented combined medication price negotiation and mandatory reimbursement policies for 15 targeted anticancer medications. This study assesses effects of the policy on hospital procurement prices, volumes and spending.

METHODS

Using a quasi-experimental interrupted time series design, we analysed procurement data from the Chinese Medical Economic Information of 789 public hospitals in 30 provinces between January 2016 and September 2018. The intervention group consisted of 15 targeted anticancer medications with negotiated prices in 2017. The comparison group consisted of six targeted anticancer medications without negotiated prices by 2018. The effective date of the policy was September 2017.

RESULTS

After the implementation of the 2017 medication price negotiation and reimbursement policy, cost per defined daily dose (DDD) of the 15 targeted anticancer medications dropped US$71.21 on average from an average US$169.24/DDD before (p=0.000). Compared with what would have happened without the intervention, cost/DDD of price-negotiated medications decreased by 48.9% (p=0.000), procurement volumes increased by 143.0% (p=0.000) and hospital medication spending decreased by 6.9% (p=0.146).

CONCLUSIONS

The 2017 medication price negotiation and reimbursement policy decreased targeted medication procurement costs per DDD, increased volumes procured and at least temporarily contained spending. These changes should result in better access to and affordability of targeted anticancer medications in China.

Availability, pricing and affordability of essential medicines in Eastern Ethiopia: a comprehensive analysis using WHO/HAI methodology

Background

Access to essential medicines is a universal human right and availability and affordability are the preconditions for it. In line with the sustainable development goals, World Health Organization (WHO) has outlined a framework that assists the policy makers to improve access to essential medicines for universal health coverage by 2030. However, the availability and affordability of essential medicines remains suboptimal in several low-income countries. Therefore, this study was designed to investigate the availability, pricing and affordability of essential medicines in eastern Ethiopia.

Methods

A cross-sectional study design was employed to conduct this study. Public and private health facilities found in Eastern Ethiopia and which fulfilled criteria set forth by WHO/Health Action International (HAI) guideline and essential medicines listed on WHO/HAI guideline and essential medicine list of Ethiopia were included. Accordingly, 60 medicine outlets were selected based on the WHO/HAI standardized sampling methodology. A standardized data collection tools developed by WHO/HAI, with necessary modifications, was employed to collect the data. Median Price Ratio (MPR) was computed as a ratio of median local buyers’ price to international buyers’ reference price. The Mann–Whitney U test was employed to compare the median buyers’ price between public and private health facilities. Kruskal–Wallis test was also run to explore the median price difference among all facilities. Treatment affordability was calculated based on the number of days of wage of the lowest-paid government employee of Ethiopia required to purchase the prescribed regimen.

Results

The overall percent availability of originator brand (OB) versions of essential medicines was found to be 3.6% (range: 0.0–31.7%), with the public and private sectors contributing 1.43% and 5.50%, respectively. The overall percent availability of lowest price generics (LPGs) was 46.97% (range: 1.7–93.3%) (Public: 42.5%; private: 50.8%). Only eight LPGs (16.0%) met the WHO target of 80%. The Mann–Whitney U test indicated that 64% drugs showed statistically significant median price difference between public and private settings (p < 0.05). The MPR value indicated that the median buyers’ price of drugs in private sector were more than four times the international reference price in 30% of drugs. The percentage of unaffordable medicine were 72.09 and 91.84% for public and private facilities, respectively, with 79.17% of the medicines were unaffordable when both settings were combined.

Conclusion

Only 16% of the surveyed medicines surpassed the WHO cut-off point of 80%. Nearly one-third of drugs in the private sector had a price of more than four times compared to the international reference prices. Moreover, four out of five drugs were found unaffordable when both settings were combined, demanded several days of wage of lowest paid government employee. This finding calls a prompt action from stakeholders to devise a strategy that help promote the access of essential medicines and rescue the struggling healthcare system of Ethiopia.

Availability, prices, and affordability of selected essential cancer medicines in a middle-income country - the case of Mexico

Background

More alternatives have become available for the diagnosis and treatment of cancer in low- and middle-income countries. Because of increasing demands, governments are now facing a problem of limited affordability and availability of essential cancer medicines. Yet, precise information about the access to these medicines is limited, and the methodology is not very well developed. We assessed the availability and affordability of essential cancer medicines in Mexico, and compared their prices against those in other countries of the region.

Methods

We surveyed 21 public hospitals and 19 private pharmacies in 8 states of Mexico. Data were collected on the availability and prices of 49 essential cancer medicines. Prices were compared against those in Chile, Peru, Brazil, Colombia and PAHO’s Strategic Fund.

Results

Of the various medicines, mean availability in public and private sector outlets was 61.2 and 67.5%, respectively. In the public sector, medicines covered by the public health insurance “People’s Health Insurance” were more available. Only seven (public sector) and five (private sector) out of the 49 medicines were considered affordable. Public sector procurement prices were 41% lower than in other countries of the region.

Conclusions

The availability of essential cancer medicines, in the public and private sector, falls below World Health Organization’s 80% target. The affordability remains suboptimal as well. A national health insurance scheme could serve as a mechanism to improve access to cancer medicines in the public sector. Comprehensive pricing policies are warranted to improve the affordability of cancer medicines in the private sector.

The Impact of Price Negotiations on Public Procurement Prices and Access to 8 Innovative Cancer Medicines in a Middle-Income Country: The Case of Mexico

BACKGROUND

To mitigate the effect of high prices, in 2008 Mexico established a commission that negotiates single procurement prices for patented medicines in the public sector.

OBJECTIVES

We assessed the possible effect of price negotiations on the prices of new essential cancer medicines in Mexico between 2010 and 2016 and on access to these new cancer medicines.

METHODS

We retrieved the public procurement prices and volume of 8 selected innovative cancer medicines in Mexico in addition to their maximum retail prices in the private sector. We calculated the median, interquartile (25%-75%) range, and maximum and minimum public procurement prices to analyze price changes and trends. We assessed changes between the maximum retail prices and the public procurement prices and changes in the volume procured from 2010 to 2016.

RESULTS

Between 2010 and 2016, the prices of selected patented cancer medicines in the public sector decreased by 40% to 85%, expressed in US dollars. When expressed in Mexican pesos, public prices for 5 medicines reduced and others remained stable, whereas prices increased in the private sector over the same period. Procurement prices were not uniform between and within public institutions. The volumes of selected cancer medicines supplied in the public sector increased over the years, suggesting better access.

CONCLUSION

Although direct causality is difficult to prove, the establishment of the negotiating commission seems to have led to reduced prices and possibly better access in the public sector. Medicine procurement by public hospitals should be monitored to ensure that negotiated prices benefit all institutions.

The right to health as the basis for universal health coverage: A cross-national analysis of national medicines policies of 71 countries

Persistent barriers to universal access to medicines are limited social protection in the event of illness, inadequate financing for essential medicines, frequent stock-outs in the public sector, and high prices in the private sector. We argue that greater coherence between human rights law, national medicines policies, and universal health coverage schemes can address these barriers. We present a cross-national content analysis of national medicines policies from 71 countries published between 1990-2016. The World Health Organization's (WHO) 2001 guidelines for developing and implementing a national medicines policy and all 71 national medicines policies were assessed on 12 principles, linking a health systems approach to essential medicines with international human rights law for medicines affordability and financing for vulnerable groups. National medicines policies most frequently contain measures for medicines selection and efficient spending/cost-effectiveness. Four principles (legal right to health; government financing; efficient spending; and financial protection of vulnerable populations) are significantly stronger in national medicines policies published after 2004 than before. Six principles have remained weak or absent: pooling user contributions, international cooperation, and four principles for good governance. Overall, South Africa (1996), Indonesia and South Sudan (2006), Philippines (2011-2016), Malaysia (2012), Somalia (2013), Afghanistan (2014), and Uganda (2015) include the most relevant texts and can be used as models for other settings. We conclude that WHO's 2001 guidelines have guided the content and language of many subsequent national medicines policies. WHO and national policy makers can use these principles and the practical examples identified in our study to further align national medicines policies with human rights law and with Target 3.8 for universal access to essential medicines in the Sustainable Development Goals.

The implementation of the bioequivalence certification policy in Chile: An analysis of market authorization data

BACKGROUND

Affordability is a key barrier to access to medicines. Generic medicines policies can address this barrier and promote access. Successful uptake of generic medicines depends, in part, on ensuring that these products are interchangeable with reference products. Typically, bioequivalence certification is established in order to demonstrate such interchangeability.

OBJECTIVE

To study the implementation of the bioequivalence certification policy in Chile.

METHODS

We used Chilean Market Regulatory Authority data for analysis to study the number of products that obtained bioequivalence certification, the time until bioequivalence certification and associated factors to obtain bioequivalence.

RESULTS

As of January 2017, out of 2,336 products with a valid market authorization containing at least one of the 167 APIs that required BE certification, 1,026 products actually have BE certification (1,026/2,336, 43.9% compliance). Where data were available, the time between submission of the market authorization as a bioequivalent product to final authorization by the national medicine regulatory authority for most products varied between 4-6 months. The fraction of all BE products containing a given API out of the total marketed products containing that API varies considerably, e.g. for the API olmesartan there was only a single BE product marketed, the API diclofenac had none.

CONCLUSIONS

Although the implementation of Chile's bioequivalence policy increased the number of bioequivalent products, over 50% of generic products requiring bioequivalence that did not obtain this certification. Also for some of the API none or very few BE products are marketed which limits the success of a substitution policy. Further studies are required to identify the apparent lack of incentives to obtain bioequivalence certification. Studies of sales volumes and prices of the products are needed to identify whether generic products without bioequivalence certification either become bioequivalent or eventually exit the market.

Improving access to medicines via the Health Impact Fund in India: a stakeholder analysis

Background: In India, 50–65% of the population face difficulties in accessing medicines. The Health Impact Fund (HIF) is a novel proposal whereby pharmaceutical companies would be paid based on the measured global health impact of their drugs. We conducted a key stakeholder analysis to explore access to medicines in India, acceptability of the HIF and potential barriers and facilitators at policy level.

Objectives: To conduct a stakeholder analysis of the HIF in India: to determine key stakeholder views regarding access to medicines in India; to evaluate acceptability of the HIF; and to assess potential barriers and facilitators to the HIF as a policy.

Methods: In New Delhi, we conducted semi-structured interviews. There was purposive recruitment of participants with snowball sampling. Transcribed data were analysed using stakeholder analysis frameworks and directed content analysis.

Results: Participation rate was 29% (14/49). 14 semi-structured interviews were conducted among stakeholders in New Delhi. All participants highlighted access to medicines as a problem in India. There were mixed views about the HIF in terms of relevance and scaleability. Stakeholders felt it should focus on diseases with limited or no market and potentially incorporate direct investment in research.

Conclusions: First, access to medicines is perceived to be a major problem in India by all stakeholders, but affordability is just one factor. Second, stakeholders despite considerable support for the idea of the HIF, there are major concerns about scaleability, generalisability and impact on access to medicines. Third, the HIF and other novel drug-related health policies can afford to be more radical, e.g. working outside the existing intellectual property rights regime, targeting generic as well as branded drugs, or extending to research and development. Further innovations in access to medicines must involve country-specific key stakeholders in order to increase the likelihood of their success.