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Clinical Review Report: Halobetasol Propionate and Tazarotene (Duobrii): (Bausch Health, Canada Inc.): Indication: Psoriasis, moderate-to-severe plaque [Internet]. Ottawa (ON): Canadian Agency for Drugs and Technologies in Health; 2020 Dec.

Appendix 3Detailed Outcome Data

Health-Related Quality of Life

Table 43Change From Baseline in DLQI Score (ITT Set)

Total NBaselineWeek 44 weeks following end of treatment (week 12)
Mean (SD)Mean (SD)Mean change from baseline (SD)Mean (SD)Mean change from baseline (SD)
DLQI
Study 301
HP/TAZ
Vehicle
Study 302
HP/TAZ
Vehicle

DLQI = Dermatology Life Quality Index; HP/TAZ = halobetasol propionate and tazarotene; ITT = intention to treat; SD = standard deviation.

Source: Clinical Study Reports for Study 30110 and Study 302.11

Skin Clearance

Table 44Change From Baseline of Affected BSA (ITT Set)

BSA affected by psoriasis
BaselineWeek 2Week 4Week 6Week 8Week 12
Study 301

HP/TAZ

N = 135

Mean (SD)
Change from baseline, mean (SD)

Vehicle

N = 68

Mean (SD)
Change from baseline, mean (SD)
Study 302

HP/TAZ

N = 141

Mean (SD)
Change from baseline, mean (SD)

Vehicle

N = 74

Mean (SD)
Change from baseline, mean (SD)

BSA = body surface area; HP/TAZ = halobetasol propionate and tazarotene; ITT = intention to treat; SD = standard deviation.

a

Assessment of BSA affected by psoriasis did not include areas of the face, scalp, palms, soles, axillae, and other intertriginous areas.

Source: Clinical Study Reports for Study 30110 and Study 302.11

Signs and Symptoms of Psoriasis

Table 45Summary of the Signs of Psoriasis (Scaling) by Visit for the Target Lesion (ITT Set)

% of patients
N at baselineBaselineWeek 2Week 4Week 6Week 8Week 12
Scaling (target lesion)
Study 301

HP/TAZ

N = 135

0 – None
1 – Minimum
2 – Mild
3 – Moderate
4 – Severe

Vehicle

N = 68

0 – None
1 – Minimum
2 – Mild
3 – Moderate
4 – Severe
Study 302

HP/TAZ

N = 141

0 – None
1 – Minimum
2 – Mild
3 – Moderate
4 – Severe
Vehicle N = 740 – None
1 – Minimum
2 – Mild
3 – Moderate
4 – Severe

HP/TAZ = halobetasol propionate and tazarotene; ITT = intention to treat.

Source: Clinical Study Reports for Study 30110 and Study 302.11

Table 46Summary of the Signs of Psoriasis (Plaque Elevation) by Visit for the Target Lesion (ITT Set)

% of patients
N at baselineBaselineWeek 2Week 4Week 6Week 8Week 12
Plaque Elevation (Target Lesion)
Study 301

HP/TAZ

N = 135

0 – None
1 – Minimum
2 – Mild
3 – Moderate
4 – Severe

Vehicle

N = 68

0 – None
1 – Minimum
2 – Mild
3 – Moderate
4 – Severe
Study 302

HP/TAZ

N = 141

0 – None
1 – Minimum
2 – Mild
3 – Moderate
4 – Severe

Vehicle

N = 74

0 – None
1 – Minimum
2 – Mild
3 – Moderate
4 – Severe

HP/TAZ = halobetasol propionate and tazarotene; ITT = intention to treat.

Source: Clinical Study Reports for Study 30110 and Study 302.11

Table 47Summary of the Signs of Psoriasis (Erythema) by Visit for the Target Lesion (ITT Set)

% of patients
N at baselineBaselineWeek 2Week 4Week 6Week 8Week 12
Erythema (target lesion)
Study 301

HP/TAZ

N = 135

0 – None0
1 – Minimum0
2 – Mild15
3 – Moderate109
4 – Severe11

Vehicle

N = 68

0 – None0
1 – Minimum0
2 – Mild5
3 – Moderate55
4 – Severe8
Study 302

HP/TAZ

N = 141

0 - None0
1 - Minimum0
2 – Mild10
3 – Moderate112
4 – Severe19

Vehicle

N = 74

0 – None0
1 – Minimum0
2 – Mild6
3 – Moderate55
4 – Severe13

HP/TAZ = halobetasol propionate and tazarotene; ITT = intention to treat.

Source: Clinical Study Reports for Study 30110 and Study 302.11

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