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Paying for costly pharmaceuticals: regulation of new drugs in Australia, England and New Zealand

James P Raftery
Med J Aust 2008; 188 (1): 26-28. || doi: 10.5694/j.1326-5377.2008.tb01500.x
Published online: 7 January 2008

The rising cost of pharmaceuticals has prompted concern globally, leading various countries to institute arrangements to control public coverage and costs generally.1 Among the longest established schemes are those in Australia, existing since 1987,2,3 and in New Zealand, since 1993. The United Kingdom established the National Institute for Health and Clinical Excellence (NICE) in 1999.

Although the processes used in these countries have been described,4-6 their decisions on whether to fund drugs with low cost-effectiveness have not been formally compared.

Pharmaceutical funding criteria in the UK, Australia and NZ

The UK, Australia and NZ are similar, not only in terms of economic development, but also in terms of health and spending on pharmaceuticals. All spend around 1% of gross domestic product on pharmaceuticals.1 Each appraises new drugs: through NICE in the UK, the Pharmaceutical Benefits Advisory Committee (PBAC) in Australia, and the Pharmaceutical Management Agency (PHARMAC) in NZ. Although all new drugs are appraised in Australia and NZ, NICE reviews only around 20 per year referred to it by the government. Appraisal criteria vary among the three countries, as shown in Box 1,7-9 but all include clinical effectiveness and cost-effectiveness. Each authority has broadly similar guidelines for economic assessment.4 Australia also includes the “rule of rescue” in its criteria.10

Given that cost-effectiveness is but one of several criteria, authorities have been reluctant to state any threshold level above which drugs are deemed to be unacceptable value for money. However, NICE has stated that when the cost per quality-adjusted life year (QALY) is above £20 000 (about A$50 000, NZ$55 000):

The threshold for cost-effectiveness, albeit with similar qualifications, appears to be lower in Australia (A$42 000, NZ$49 000, £18 000 per QALY).4,11 No threshold for NZ has been published.

Australia and NZ, unlike the UK, employ reference pricing.12,13 This means that proposals to fund new drugs are tested (“reference priced”) against the relevant therapeutic group of drugs already funded. Proponents of new drugs have to justify any higher price on the basis of superior cost-effectiveness. Otherwise, purchasers of these drugs are reimbursed at the price of the cheapest drug in that class. Consequently, price reductions are often negotiated. Discussion of price is explicitly outside NICE’s remit. The “budget impact” or total cost (of the drug in the whole population) is an explicit criterion in both Australia and NZ, but not for NICE in the UK, where cost is a matter for the Department of Health.

Some controversial decisions on funding of pharmaceuticals

A published review14 of the health technologies appraised by NICE in its first 6 years, 1999–2005, identified pharmaceutical products with the worst cost-effectiveness. The list of the top 10 of these drugs is shown in Box 2.

To check whether these drugs were funded by the public sector in Australia and NZ, respectively, I searched the PBAC and PHARMAC websites. These results were checked with key informants in each authority during a personal visit, and the draft results were confirmed via written comments by the key informants.

The most striking differences were to do with refusals (Box 2). Australia said “no” to four, while the UK said “no” to none. NZ (which funded five) was similar to Australia, except that companies whose drugs were refused funding in Australia tended not to apply for funding in NZ.

Positive decisions to reimburse often came with major restrictions, particularly in Australia and NZ. Almost all the “yes” recommendations in Australia and NZ involved major restrictions relative to licence conditions.14 Given NICE’s higher cost-effectiveness threshold, this finding was as expected. More surprising was the decision by each country to fund some drugs despite their poor cost-effectiveness.

Interferon beta and glatiramer acetate for multiple sclerosis had the worst cost-effectiveness of the 10 drugs, at £70 000 per QALY (A$160 000, NZ$191 000). All three regulators initially took a strongly negative position, but each country found a way to fund these drugs. In the UK, after NICE turned down funding of interferon beta, the government established a risk-sharing scheme under which prices were reduced, and patients prescribed the drugs were monitored.15 In NZ, after PHARMAC recommended against funding, an incoming Labour government honoured an election pledge to extend coverage to these drugs for a specified number of patients.16,17 In Australia, interferon beta was eventually recommended by the PBAC under the Section 100 Highly Specialised Drugs Program18 after several refusals.

Trastuzumab (Herceptin [Roche]) for advanced breast cancer, with an unfavourable cost per QALY of £38 000 (A$87 000, NZ$104 000), also posed problems in each country. NICE recommended its use, suggesting that the effectiveness estimate was unduly pessimistic.19 In Australia, a separate new program was established in 2001 to provide this drug, after the PBAC rejected it.20,21 Similarly, NZ established a separate hospital program to fund cancer drugs, including trastuzumab, for advanced breast cancer.22

Imatinib (Glivec [Novartis]) for chronic myeloid leukaemia, priced at around £30 000 per year in the UK, was bound to have relatively poor cost-effectiveness. Despite a cost per QALY of £39 000 (A$90 000, NZ$107 000), NICE recommended it for the accelerated phase of the disease.23 In Australia, the PBAC recommended it under its Section 100 arrangements. In NZ, PHARMAC initially refused, but funded it after Novartis reduced the prices of a range of its drugs.7,24

Tumour necrosis factor-α inhibitors for adult rheumatoid arthritis were accepted in the UK and restricted in Australia and NZ (where only adalimumab was funded). NICE put the cost-effectiveness of each at £31 000 (A$71 000, NZ$85 000) per QALY, which, while close to the cost-effectiveness threshold in the UK, was well above that for Australia.

Insulin glargine for type 2 diabetes was funded, with major restrictions, in all three countries. Riluzole for motor neurone disease was funded in the UK and Australia, but no application for funding was made in NZ. Human growth hormone for growth-hormone deficiency in adults had major restrictions imposed in the UK and was not funded by the other countries.

What drives pharmaceutical funding decisions?

Some similarities between the three countries are striking, notably that all three health systems found ways to fund several controversial drugs despite their particularly poor cost-effectiveness. Departures from the normal appraisal process were required to enable funding in several instances, notably for interferon beta in the UK and NZ.

Overall, NICE was more lenient than either Australia or NZ, both of whom differ from the UK in their use of “reference pricing” and concern with the effect on budgets. NZ appears to have been slightly more restrictive than Australia.

Each country found it impossible not to fund several drugs whose cost-effectiveness was poor. Although these decisions may have been justified on the basis of the non-economic criteria used in each country, the normal processes had to be bypassed, notably for interferon beta. Some other drugs were funded under different programs. It is difficult to avoid the conclusion that an important factor in these decisions had to do with the nature of the diseases these drugs treat. When drugs offer the potential to save lives, such as in breast cancer or leukaemia, or alleviate particularly difficult diseases (multiple sclerosis, rheumatoid arthritis), it has proved politically difficult to refuse to fund them. However, the perception of “dread” diseases depends on social factors, such as patient lobbying and public perceptions. Decisions on which drugs to fund, in the final analysis, depend on their political and social acceptability.

2 Decisions on funding for selected drugs with poor cost-effectiveness, by country (with year of decision)

Estimate by NICE Cost/QALY (£) (range)

United Kingdom*


Australia


New Zealand


Drug and indication

Decision

Date

Decision

Date

Decision

Date


Interferon beta and glatiramer acetate for multiple sclerosis

70 000 (33 000–104 000)

Yes*

2002

Yes, after several refusals

1996

Yes§

2000

Antivirals (zanamivir, amantadine or oseltamivir) for influenza (seasonal prophylaxis in healthy adults)

54 000 (8 000–100 000)

Yes

2003

No

No

Insulin glargine for type 2 diabetes

53 000 (35 000–72 000)

Yes

2002

Yes

2006

Yes

2006

Imatinib for chronic myeloid leukaemia (accelerated phase)

39 000 (22 000–56 000)

Yes

2002

Yes

2003

Yes**

2002

Riluzole for motor neurone disease

39 000 (35 000–44 000)

Yes

2001

Yes

2003

No

Trastuzumab for advanced breast cancer

38 000

Yes

2002

Yes

2002

Yes

2001

Somatropin for adults with growth-hormone deficiency

35 000 (25 000–45 000)

Yes

2003

No

2001

No§§

Etanercept, infliximab or adalimumab for adult rheumatoid arthritis

31 000 (22 000–35 000)

Yes

2002

Yes

2003

Yes
(adalimumab only)

2004

Infliximab for Crohn’s disease (severe active)

28 000

Yes

2002

No

2007

No

Sibutramine for obesity

23 000 (15 000–30 000)

Yes

2001

No

2006

No

2007


NICE = National Institute for Health and Clinical Excellence. QALY = quality-adjusted life year.

* All decisions made by NICE except those for interferon beta and glatiramer acetate (which were made available by government risk-sharing scheme after “no” by NICE). All drugs covered by the Pharmaceutical Benefits Scheme in Australia and the Pharmaceutical Management Agency (PHARMAC) in NZ, except for trastuzumab. With major restrictions. § By government, after “no” by PHARMAC in 2000. No application.** With “confidential price reductions in a number of Novartis products”. Under “rule of rescue”.10 New hospital-drug program. §§ Recent application. “Yes” to a draft recommendation after “no” in 2000.

  • James P Raftery1

  • Wessex Institute for Health Research and Development, University of Southampton, Southampton, UK.


Correspondence: raftery@soton.ac.uk

Acknowledgements: 

Thanks to Andrew Mitchell, who provided information on the Pharmaceutical Benefits Advisory Committee and Rachel Grocott, who provided information on the Pharmaceutical Management Agency. Neither is responsible for the views expressed in this article, which are those of the author alone.

Competing interests:

None identified.

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