This page defines the modelling rules and description templates for Phase 1 only of the Canadian Medicines Terminology (CMT) project. Phase-specific content will be added as the project progresses.

Definition 

An abstract representation of a medicinal product, based on a description of only and exclusively the active ingredient(s) that it contains, regardless of any modifications of those ingredients that are not either clinically significant or (if relevant) part of a product’s basis of strength substance.

Attributes

The VMP uses the following defining attributes:

Attribute

Alias

Group

Card

G Card

D/O

Range

373873005 |Count of base of active ingredient|

BCount

NO

1..1

0..0

DATA

Integer >#0..

127489000 |Has active ingredient|

AI

YES (1)

0..*

0..1

OBJECT

< 105590001 |Substance|

762949000 |Has precise active ingredient

PAI

YES (1)

0..*

0..1

OBJECT

< 105590001 |Substance|

732943007 |Has basis of strength substance|

BOSS

YES (1)

0..*

0..1

OBJECT

< 105590001 |Substance|

Concepts

Up to two VMP concepts are created for each DPD drug product. These are listed below.

VMP-1 (mandatory)

The first VMP concept must always be created (unless it already exists) for every DPD drug product and is defined using the following attributes:

Attribute

Alias

Group

Card

G Card

D/O

Range

373873005 |Count of base of active ingredient|

BCount

NO

1..1

0..0

DATA

Integer >#0..

127489000 |Has active ingredient|

AI

YES (1)

0..*

0..1

OBJECT

< 105590001 |Substance|

VMP-2 (optional)

The second VMP concept will only be created (unless it already exists) for each DPD drug product when:

BCount = 1 AND [0..0] TCD.BMCount (i.e. does not exist) AND BOSS <> AI

(i.e. single ingredient and BOSS <> AI)

and is defined using the following attributes:

Attribute

Alias

Group

Card

G Card

D/O

Range

373873005 |Count of base of active ingredient|

BCount

NO

1..1

0..0

DATA

Integer >#0..

762949000 |Has precise active ingredient

PAI

YES (1)

0..*

0..1

OBJECT

< 105590001 |Substance|

732943007 |Has basis of strength substance|

BOSS

YES (1)

0..*

0..1

OBJECT

< 105590001 |Substance|

Descriptions generation

VMP generation of en-CA Fully Specified Name (FSN)

Format

VMP-1 (mandatory)

“Product containing only” [[ + @AI]]   “ (medicinal product)” 1

VMP-2 (optional)

“Product containing precisely ” [[ + @PAI 3 OR @BOSS 4]] [ “ (as ” [[ + @PAI ]] “)”] 4“ (medicinal product)” 1

VMP generation of en-CA Preferred Term (PT)

Format

VMP-1 (mandatory)

[[ + @AI]] 2

VMP-2 (optional)

[[ + @PAI 3 OR @BOSS 4]] [ “ (as ” [[ + @PAI ]] “)”] 2

Rules for EN descriptions

1: For all attribute values, use the en-CA FSN with no semantic tag

2: For all attribute values, use the en-CA PT

3: PAI is used here when:

  1. BOSS is a modification of AI (direct or transitive).
    1. Note: In these cases the PAI = TCD.BOSS

4: “BOSS (as PAI)” is used here when:

  1. BOSS is NOT a modification of AI (direct or transitive)

VMP generation of fr-CA Fully Specified Name (FSN)

Format

VMP-1 (mandatory)

“produit contenant seulement” [[ + @AI]] “ (produit médicinal)” 1

VMP-2 (optional)

“produit contenant précisément” [[ + @PAI 3 OR @BOSS 4]] [ “ (” [[ + @PAI ]] “)”] 4“ (produit médicinal)” 1

VMP generation of fr-CA Preferred Term (PT)

Format

VMP-1 (mandatory)

[[ + @AI]] 2

VMP-2 (optional)

[[ + @PAI 3 OR @BOSS 4]] [ “ (” [[ + @PAI ]] “)”] 2

Rules for French descriptions

1: For all attribute values, use the fr-CA FSN with no semantic tag

2: For all attribute values, use the fr-CA PT

3: PAI is used here when:

  1. BOSS is a modification of AI (direct or transitive).
    1. Note: In these cases the PAI = TCD.BOSS

4: “BOSS (as PAI)” is used here when:

  1. BOSS is NOT a modification of AI (direct or transitive)

Examples of VMPs

VMP-1

VMP-2