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Table 2 Pre-workshop attribute reference levels and basis of selection

From: Multiple criteria decision analysis in the context of health technology assessment: a simulation exercise on metastatic colorectal cancer with multiple stakeholders in the English setting

Cluster

Attribute

Metric

Lower level

Basis

Higher level

Basis

Therapeutic Impact

Overall survival

months

0

Minimum limit of the scale

6.2

BSC

HRQoL

utility score (EQ-5D)

0.6

Lower score used for progressive state in TA307 [22]

0.75

BSC

Progression free survival

months

0

Minimum limit of the scale

1.9

BSC

Objective response rate

% of patients

0

Minimum limit of the scale

11

FOLFIRI + Placebo (VELOUR trial) [32]

Safety Profile

Grade 3 AEs

% of patients

68

10% higher than the worst performing option

32

Median of BSC (AMGEN trial) [65] and FOLFIRI + Placebo (VELOUR trial)

Grade 4 AEs

% of patients

24

10% higher than the worst performing option

10

Median of BSC (AMGEN trial) and FOLFIRI + Placebo (VELOUR trial)

Contra-indications

types of contra-

indications

Lower expected benefit and higher expected risk

Minimum limit of the scale

Lower expected benefit

Median of options

Innovation

Level

ATC Level 1

relative market entrance

5th

Minimum limit of the scale

4th

Median of options

ATC Level 2

relative market entrance

5th

Minimum limit of the scale

4th

Median of options

ATC Level 3

relative market entrance

5th

Minimum limit of the scale

3rd

Median of options

ATC Level 4

relative market entrance

5th

Minimum limit of the scale

1st

Median of options

ATC Level 5

relative market entrance

5th

Minimum limit of the scale

1st

Median of options

Phase 1

number of new indications

0

Minimum limit of the scale

17

Median of options

Phase 2

number of new indications

0

Minimum limit of the scale

55

Median of options

Phase 3

number of new indications

0

Minimum limit of the scale

18

Median of options

Marketing authorisation

number of new indications

0

Minimum limit of the scale

2

Median of options

Posology

duration of administration & frequency of doses

Many hours, every 2 weeks

Minimum limit of the scale (worst performing option)

Up to an hour, every 2 weeks

Maximum limit of the scale (best performing option)

Socio-economic Impact

Medical costs impact

GBP (£)

7,086

10% higher than the worst performing option

4,589

Median of options