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Table 2 Summary of the study characteristics and key findings of the final sample of economic evaluations

From: Health economic evidence for adjuvant chemotherapy in stage II and III colon cancer: a systematic review

 

Stage

Publication

Country (currency)

Economic perspective

Evaluation type

Modelling technique

Time horizon

Discount rate (%)

Treatment strategies (experimental vs. control)

Health outcomes

Impact of experimental vs. control strategy on cost

Impact of experimental vs. control strategy on health outcomes

Authors’ cost-effectiveness judgement

WTP

AC vs. no AC

II

Ayaci, 2013 [18]

USA (USD)

Healthcare payer

CUA

Markov

5 years

3

5FU vs. no AC

QALY

Increase

Increase

Cost effective

50,000

FOLFOX vs. no AC

QALY

Increase

Increase

Not cost-effective

III

Smith, 1993 [19]

Australia (AUD)

Healthcare payer

CUA

Decision tree

20 years

5

5FU + LV vs. no AC

QALY

Increase

Increase

Author did not provide conclusion

Not reported

Brown, 1994 [20]

USA (USD)

Societal

CEA

Markov

30 years

6

5FU + Leva vs. no AC

LY

Increase

Increase

Cost-effective

50,000

Lairson, 2014 [21]

USA (USD)

Healthcare payer

CUA

Patient level data

Lifetime

3

5FU + LV vs. no AC

QALY

Increase

Increase

Cost-effective

100,000

FOLFOX vs. no AC

Increase

Increase

Cost-effective

II and III

Norum, 1997 [22]

Norway (BP)

Healthcare payer

CUA

Patient level data

Lifetime

5

5FU + Leva vs. no AC

QALY

Increase

Increase

Cost effective

20,000

Michel, 1999 [23]

France (USD)

Healthcare payer

CEA

Decision tree

5 years

No discount

AC in stage II and III vs. AC in stage III only

No. of surviving patients

Increase

Increase

Cost-effective

10,000

Oral vs. IV chemotherapy

III

Cassidy, 2006 [24]

UK (BP)

Societal

CEA, CUA

PSA

Lifetime

1.5 (cost); 6 (effect)

Capecitabine vs. 5FU

LM, QALM

Decrease

Increase

Capecitabine dominates 5FU

Not reported

Eggington, 2006 [25]

UK (BP)

Healthcare payer

CEA, CUA

Markov

50 years

6 (cost); 1.5 (effect)

Capecitabine vs. 5FU

LY, QALY

Decrease

Increase

Capecitabine dominates 5FU

20,000

Ho, 2006 [26]

Canada (CAD)

Societal

CMA

Decision tree

5 years

NR

XELOX vs. FOLFOX

N/A

Decrease

N/A

N/A

N/A

Douillard, 2007 [27]

France (Euro)

Healthcare payer

CC

Decision tree

3 years

No discount

Capecitabine vs. 5FU

Relapse-free survival

Decrease

Increase

Capecitabine dominates 5FU

Not reported

DiConstanzo, 2008 [28]

Italy (Euro)

Healthcare payer

CEA, CUA

PSA

10 years

3.5

Capecitabine vs. 5FU

LM, QALM

Decrease

Increase

Capecitabine dominates 5FU

Not reported

Goerner, 2009 [29]

Germany (Euro)

Healthcare payer

Costing analysis

Decision tree

6 months

NR

Capecitabine vs. 5FU

N/A

Decrease

N/A

N/A

N/A

Shiroiwa, 2009 [30]

Japan (Yen)

Healthcare payer

CUA

Markov

30 years

3

Capecitabine vs. 5FU

QALY

Decrease

Increase

Capecitabine dominates 5FU

0

Hsu, 2011 [31]

UK (BP)

Healthcare payer

CUA

PSA

10 years

3

Capecitabine vs. 5FU

QALM

Decrease

Increase

Capecitabine dominates 5FU

Not reported

Xie, 2013 [32]

China (USD)

Societal

Costing analysis

Patient level data

6 months

No discount

CAPOX vs. FOLFOX

N/A

Decrease

N/A

N/A

N/A

Soni, 2014 [33]

US (USD)

Healthcare payer

CUA

Markov

5 years

3

Capecitabine vs. 5FU

QALY

Increase

Decrease

5FU dominates Capecitabine

100,000

Chen, 2015 [34]

Taiwan (NT)

Societal

CUA

Patient level data

28 weeks

No discount

Capecitabine ± oxaliplatin vs. 5FU ± oxaliplatin

Health-related QOL scores

Decrease

No difference

Cost-effective

Not reported

Lerdkiattikorn, 2015 [35]

Thailand (Baht)

Societal

CUA

Markov

99 years

3

Capecitabine vs. 5FU

QALY

Increase

Increase

Not cost effective

300,000

Lin, 2015 [36]

Taiwan (NT)

Societal

Costing analysis

Patient level data

25 months

No discount

Capecitabine vs. 5FU

Health-related QOL scores

Decrease

No difference

Cost saving

N/A

vanGils, 2015 [37]

Netherlands (Euro)

Healthcare sector

Costing analysis

Patient level data

6 months

No discount

Capecitabine vs. 5FU

N/A

Decrease

N/A

N/A

N/A

II and III

Murad, 1997 [38]

Brazil & Argentina (Real)

Healthcare payer

CMA

Decision Tree

18 months

NR

UFT + LV vs. 5FU + LV

N/A

Decrease

N/A

N/A

N/A

Manidakis, 2009 [39]

Greece (Euro)

Societal

CMA

Patient level data

12 months

NR

CAPOX vs. FOLFOX

N/A

Decrease

N/A

N/A

N/A

Wen, 2014 [40]

China (USD)

Societal

CUA

Markov

6 months

NR

CAPOX vs. FOLFOX

QALY

Decrease

Decrease

Cost-effective

17,815 (3 × GDP)

Hsu, 2019 [41]

Taiwan (USD)

Healthcare payer

CMA

Decision Tree

6 months

NR

UFT + LV vs. 5FU + LV

N/A

Decrease

Increase

N/A

N/A

Oxaliplatin vs. no oxaliplatin

II

Ayaci,, 2013 [18]

USA (USD)

Healthcare payer

CUA

Markov

5 years

3

FOLFOX vs. 5FU + LV

QALY

Increase

Increase

Not cost effective

50,000

III

Pandor, 2006 [42]

UK (BP)

Healthcare payer

CEA, CUA

Markov

50 years

6 (cost); 1.5 (effect)

FOLFOX vs. 5FU + LV

QALY

Increase

Increase

Cost-effective

20,000

FOLFOX vs. 5FU + LV

Increase

Increase

Cost-effective

FOLFOX vs. Capecitabine

Increase

Increase

Cost-effective

Eggington, 2006 [25]

UK (BP)

Healthcare payer

CEA, CUA

Markov

50 years

6 (cost); 1.5 (effect)

FOLFOX vs. 5FU + LV

LY, QALY

Increase

Increase

Cost-effective

20,000

Aballea, 2007 [43]

UK (BP)

Healthcare payer

CUA

PSA

50 years

3.5

FOLFOX vs. 5FU + LV

QALY

Increase

Increase

Cost effective

30,000

Aballea, 2007 [44]

USA (USD)

Healthcare payer

CUA

PSA

50 years

3

FOLFOX vs. 5FU + LV

QALY

Increase

Increase

Cost effective

50 – 100,000

Goerner, 2009 [29]

Germany (Euro)

Healthcare payer

Costing analysis

Decision tree

6 months

No discount

FOLFOX vs. 5FU + LV

N/A

Increase

N/A

N/A

N/A

CAPOX vs. 5FU + LV

Increase

N/A

N/A

Attard, 2010 [45]

Canada (CAD)

Healthcare payer

CUA

PSA

50 years

5

FOLFOX vs. 5FU + LV

QALY

Increase

Increase

Cost-effective

Not reported

Shiroiwa, 2012 [46]

Japan (Yen)

Healthcare payer

CUA

PSA

30 years

3

FOLFOX vs. 5FU + LV

QALY

Increase

Increase

Cost-effective

5 million

Soni, 2014 [33]

USA (USD)

Healthcare payer

CUA

Markov

5 years

3

FOLFOX vs. 5FU + LV

QALY

Increase

Increase

Cost-effective

100,000

CAPOX vs. 5FU + LV

QALY

Increase

Decrease

5FU dominates CAPOX

100,000

Lerdkiattikorn, 2015 [35]

Thailand (Baht)

Societal

CUA

Markov

99 years

3

FOLFOX vs. 5FU + LV

QALY

Increase

Increase

Not cost effective

300,000

vanGils, 2015 [37]

Netherlands (Euro)

Healthcare sector

Costing analysis

Patient level data

6 months

NR

FOLFOX vs. 5FU + LV

N/A

Increase

N/A

N/A

N/A

FOLFOX vx. Capecitabine

N/A

Increase

N/A

N/A

CAPOX vs. 5FU + LV

N/A

Increase

N/A

N/A

CAPOX vs. Capecitabine

N/A

Increase

N/A

N/A

3 M vs. 6 M

II

Jongeneel, 2020 [4]

Netherlands (Euro)

Societal

CUA

Markov

Lifetime

4 (cost); 1.5 (effect)

3 M vs. 6 M FOLFOX

QALY

Decrease

Decrease

Not cost-effective; negative NMB

50,000

3 M vs. 6 M CAPOX

Decrease

Increase

3 M CAPOX dominates 6 M

II and III

Robles-Zurita, 2018 [47]

UK (BP)

Healthcare sector

CUA

PSA

8 years

3.5

3 M vs. 6 M CAPOX

QALY

Decrease

Increase

3 M dominates 6 M

30,000

Iveson, 2019 [48]

UK (BP)

Healthcare sector

CUA

PSA

8 years

3.5

3 M vs. 6 M AC

QALY

Decrease

Increase

3 M dominates 6 M

30,000

Hanna, 2021 [6]

Multi-country (USD)

Healthcare sector

CUA, BIA

Patient level data

10 year

3.5

3 M vs. 6 M AC

QALY

Decrease

Increase

Cost effective

42,000

Biomarker

II

Hornberger, 2012 [49]

USA (USD)

Societal

CUA

Markov

Lifetime

3

Oncotype Dx vs. SOC

QALY

Decrease

Increase

Genomic assay dominates SOC

50,000

Alberts, 2014 [50]

USA (USD)

Healthcare payer

CUA

Markov

Lifetime

3

OncotypeDx vs.SOC

QALY

Decrease

Increase

Genomic assay dominates SOC

50,000

Jongeneel, 2021 [51]

Netherlands (Euros)

Societal

CUA

Markov

Lifetime

4 (cost); 1.5 (effect)

Biomarker (MSS + BRAF/KRAS) vs. SOC

QALY

Increase

Increase

Cost-effective

50,000

To, 2021 [5]

Australia (AUD)

Healthcare payer

CUA

Markov

Lifetime

5

ctDNA vs. SOC

QALY

Decrease

Increase

ctDNA dominate SOC

20,000

Alarid-Escuder, 2021 [52]

USA (USD)

Healthcare payer

CUA

Markov

Lifetime

3

Biomarker (CDX2) vs. no AC

QALY

Increase

Increase

Cost-effective

100,000

  1. 3 M 3 month duration of chemotherapy, 6 M 6 month duration of chemotherapy, 5FU 5-fluorouracil, AC adjuvant chemotherapy, AUD Australian Dollars, BIA Budget impact analysis, BP British Pound, CEA cost-effectiveness analysis, CMA cost-minimisation analysis, ctDNA circulating tumour DNA, CUA cost-utility analysis, IV intravenous, LV leucovorin, LY life-years, PSA partitioned survival analysis, NT Taiwan Dollar, NR not reported, QALY Quality-adjusted life years, SOC standard of care, USD United State Dollars