Canada is currently the only developed country with a universal health care system that does not provide universal coverage for prescription medications.1 Implementation of a national drug insurance program would give Canadians universal access to necessary medicines, ensure fair distribution of prescription drug costs, encourage safe and appropriate prescribing, and provide maximum cost-effectiveness for drugs.
Definitions
The national pharmacare program that we envision is 2-tiered: a public plan would provide drug coverage for essential medications, and private plans would cover nonessential medications. According to the World Health Organization, universal access is defined as availability of affordable medications at facilities within 1 hour’s walk from home.2 Medications that satisfy priority health care needs and concerns are classified as essential medications.3
Universal Access and Equitability
Canada is well known for its universal public health program, as mandated by the Canada Health Act.4,5 This legislation dictates that 5 criteria be met in provincially administered public health care insurance plans: public administration, comprehensiveness, universality, portability, and accessibility.5,6 These criteria are currently met by required medical services.5 In contrast, Canadian coverage for outpatient drugs is a patchwork of public and private drug insurance plans providing coverage that is, unfortunately, neither universal nor comprehensive.7 Indeed, 10% of Canadians cannot afford their prescribed medications.8
Moreover, the current system lacks equitability. The criteria for drug coverage vary across provinces. For example, drugs are covered on the basis of income in British Columbia, whereas age is the major determinant in Ontario.9 The ability to afford medications should not be driven by age, income, or geographic location.
A national pharmacare program would ensure that all Canadians receive consistent, coast-to-coast coverage for essential medications and that the tenets of the Canada Health Act are upheld.
Safer Prescribing Practices and a National Database
Implementation of a national pharmacare program would promote safe, effective, and evidence-based drug prescribing. Currently, the innumerable private and public drug plans in Canada are not coordinated.1 Private plans often cover medications that lack evidence of favourable risk–benefit ratios.1 This situation poses a concern for prescribers, who may be forced to prescribe suboptimal therapies in an effort to ensure affordability through private plans. Prescribing should be dictated by the safety and efficacy of drugs, not by their cost. A 2006 study from a Canadian hospital showed that more appropriate prescribing could have prevented over 70% of admissions.10 Having a single, national, evidence-based formulary would guide prescribing habits and would be integral in ensuring safe and cost-effective medication use.
Furthermore, a pharmacare program would logically provide the basis for developing a national drug-related monitoring database.1 Currently, health care databases are controlled independently by governments, pharmacy retailers, and private insurance companies.1 Because of this fragmented system, Canada lacks quality surveillance of prescribing practices and related health outcomes.1 A national database would provide insight into medication safety and efficacy, and thereby aid in determining areas for improvement of prescribing practices.
Economic Benefits
A national pharmacare strategy would be both economically feasible and beneficial. In 2015, Morgan and others11 published an analysis modelling a national, publicly funded and administered health insurance system for Canada. These authors found that, although government costs could increase by about $1 billion, the projected combined cost savings from private and public sectors would be substantial, ranging from $4.2 billion to $9.4 billion in the worst-case and best-case scenarios, respectively.11 The analysis accounted for increased usage of medications with universal drug coverage, transfer of private sector costs to the public sector, cost-effective product selection with a national formulary, and consolidation of drug purchasing power.11
While the study by Morgan and others11 accounted only for direct cost savings, it is expected that a national pharmacare strategy would have indirect economic benefits as well. First, improved prescribing practices with guidance by a national formulary would reduce drug-related adverse reactions and hospital admissions, resulting in up to $5 billion in cost savings.1 Second, because each province currently manages its own health insurance plan, an estimated $1 billion to $2 billion would be saved in administration costs through consolidation to a single, national plan.1 Finally, improved adherence to previously unaffordable medications would produce $1 billion to $9 billion in financial savings through better management of preventable diseases,12 as well as cost savings related to decreased absenteeism and increased productivity at work.
Therefore, the additional costs to the government incurred by implementing a national pharmacare program would be offset by major direct and indirect financial savings. In addition to providing universal drug coverage to Canadians, the program would improve the economy on a national level.
Successes of Other Countries
Implementing national pharmacare in Canada may appear to be a challenging objective, but the successes of other developed countries with national drug coverage provide evidence that it would be both feasible and economically beneficial. Examples include the United Kingdom and New Zealand.
Financed primarily by general taxation, the UK health care plan grants universal coverage of select drugs as outlined in a national drug formulary.13 Using this system, the United Kingdom has lowered costs for prescription drugs through better pricing and reduced overprescribing, ultimately spending the same percentage of the world market share for prescription drugs as Canada, despite having twice the Canadian population.14
New Zealand also provides universal drug coverage to permanent residents, which is financed through general taxes.14 The Pharmaceutical Management Agency (PHARMAC) determines the national drug formulary and negotiates drug prices on behalf of the entire country.13,14 Through PHARMAC’s efforts, prescription costs have been kept low. One study found that for 4 large classes of prescription drugs, New Zealand paid 51% less than British Columbia.15
Conclusion
These comparisons of Canada with the United Kingdom and New Zealand make it clear that not only does Canada’s patchwork of drug insurance fail to provide equitable access to medications, but it also does the country no favours with regard to financial considerations. With a strict formulary in place and with an expected increase in buying power, implementation of a national pharmacare program would be economically advantageous and would allow Canada to join the ranks of developed countries that provide truly universal health care.
Footnotes
Competing interests: None declared.
References
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