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Clinical Practice Guidelines - National Health and Medical Research ...

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Table 22.11 Summary of findings from reviews of cost-effectiveness of chemotherapy agents<br />

<strong>and</strong> regimes<br />

Study Country Study questions Conclusion<br />

Redaelli et al 47<br />

Scott <strong>and</strong><br />

Twelves 123<br />

United<br />

States<br />

United<br />

Kingdom<br />

Matasar et al 77 United<br />

States<br />

Review costeffectiveness<br />

evidence for<br />

alternative<br />

chemotherapy<br />

regimens<br />

Review costeffectiveness<br />

of<br />

new chemotherapy<br />

drugs vs FU<br />

(concentrating on<br />

drug costs)<br />

Review costeffectiveness<br />

of<br />

chemo regimens in<br />

elderly patients<br />

New treatments (particularly oral tegafur)<br />

appear to be more cost-effective than 5-<br />

FU-based therapies for advanced <strong>and</strong><br />

metastatic cancer. Depending on country,<br />

setting (1st-line, 2nd-line or rescue<br />

therapy) <strong>and</strong> comparative treatments,<br />

ICERs of irinotecan <strong>and</strong> raltitrexed are<br />

generally within the threshold of $US30–<br />

50,000 ($A44,323–73,872)/LYG. Both<br />

have significant <strong>and</strong> consistent economic<br />

advantage over 5-FU. There is a limited<br />

evidence for adjuvant therapy. It appears<br />

FU + levamisole or FA are cost-effective<br />

(if 5% improvement in 5yr survival rate),<br />

with possible ICERs of $US2094–6500<br />

($A3094–9,603)/LYG. More research is<br />

needed.<br />

Capecitabine, raltitrexed, irinotecan <strong>and</strong><br />

oxaliplatin alone, or in combination with 5-<br />

FU or FU/FA, are cost-effective compared<br />

to FU or FU/FA alone. Cost savings range<br />

from $US626–5000 ($A925–7387) per<br />

patient, ICERs/LYG range from<br />

$US21,591–59,403 ($A31,899–87,764)<br />

(1st-line treatment) <strong>and</strong> $US9344–10,137<br />

($A13,805–14,977) (2nd-line treatment).<br />

Comparisons between newer agents is<br />

difficult due to non st<strong>and</strong>ardised methods,<br />

<strong>and</strong> judgments may differ between<br />

countries, tumour type, available<br />

treatments, etc.<br />

ICER of fluorouracil-based regimens,<br />

depending on delivery strategy, use of<br />

model agents <strong>and</strong> stage of cancer, vary<br />

from $US2000–20,000 ($A2790–27,897)<br />

per QALY gained. Reported ICER of<br />

$US10,000 ($A13,949) per QALY gained<br />

for irinotecan is likely to be an<br />

underestimate <strong>and</strong> requires further<br />

research. Raltitrexed, capecitabine <strong>and</strong><br />

oxaliplatin also require further research.<br />

UFT appears to be potentially cost saving.<br />

HAL cannot be recommended for elderly<br />

patients<br />

Cost effectiveness<br />

279

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