Trial Outcomes & Findings for A Randomized, Open, Parallel, Controlled, Multi-center, Interventional, Cross-sectional Study to Evaluate the Detection Rate of Psoriatic Arthritis in Korean Moderate-to-severe Psoriasis Patients, With or Without Active Screening for Arthritis in Psoriasis (ASAP Study) (NCT NCT05758402)

NCT ID: NCT05758402

Last Updated: 2025-05-16

Results Overview

After the completion of EARP questionnaire evaluation and the investigator's judgement as per routine practice in each group, all the participants were evaluated using Classification criteria for psoriatic arthritis (CASPAR). According to the CASPAR, participants having inflammatory articular disease with 3 or more points from the CASPAR were diagnosed as PsA, and the detection rate of PsA in each group was evaluated and compared. The detection rate of Psoriatic Arthritis (PsA) amongst moderate to severe Psoriasis (PsO) patients between the EARP group and the Routine practice groups was defined as the percentage of patients with true positive results divided by all patients in each EARP and Routine practice group. The true positive results were defined as patients with a classification criteria for psoriatic arthritis (CASPAR) score \>= 3 among EARP \>= 3 for the EARP group and among those suspected of PsA by investigator's judgement for the Routine Practice group.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

368 participants

Primary outcome timeframe

Visit 1 (Day 1)

Results posted on

2025-05-16

Participant Flow

This study was conducted at 15 centers in the Republic of Korea.

Participants who met all inclusion criteria and none of the exclusion criteria were centrally, randomly allocated with a 1:1 ratio to either the EARP group or the Routine practice group using an Interactive Web Response System (IWRS).

Participant milestones

Participant milestones
Measure
EARP Group
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Overall Study
STARTED
181
187
Overall Study
COMPLETED
181
187
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

A Randomized, Open, Parallel, Controlled, Multi-center, Interventional, Cross-sectional Study to Evaluate the Detection Rate of Psoriatic Arthritis in Korean Moderate-to-severe Psoriasis Patients, With or Without Active Screening for Arthritis in Psoriasis (ASAP Study)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
EARP Group
n=181 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=187 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Total
n=368 Participants
Total of all reporting groups
Age, Continuous
45.22 Years
STANDARD_DEVIATION 15.00 • n=5 Participants
43.48 Years
STANDARD_DEVIATION 14.11 • n=7 Participants
44.33 Years
STANDARD_DEVIATION 14.56 • n=5 Participants
Sex: Female, Male
Female
64 Participants
n=5 Participants
35 Participants
n=7 Participants
99 Participants
n=5 Participants
Sex: Female, Male
Male
117 Participants
n=5 Participants
152 Participants
n=7 Participants
269 Participants
n=5 Participants
Race/Ethnicity, Customized
Asian
181 Participants
n=5 Participants
187 Participants
n=7 Participants
368 Participants
n=5 Participants
Height
169.07 cm
STANDARD_DEVIATION 8.87 • n=5 Participants
171.48 cm
STANDARD_DEVIATION 8.58 • n=7 Participants
170.29 cm
STANDARD_DEVIATION 8.80 • n=5 Participants
Weight
74.41 kg
STANDARD_DEVIATION 16.54 • n=5 Participants
75.53 kg
STANDARD_DEVIATION 15.66 • n=7 Participants
74.98 kg
STANDARD_DEVIATION 16.09 • n=5 Participants
Body Mass Index (BMI)
25.87 kg/m^2
STANDARD_DEVIATION 4.65 • n=5 Participants
25.54 kg/m^2
STANDARD_DEVIATION 4.38 • n=7 Participants
25.70 kg/m^2
STANDARD_DEVIATION 4.51 • n=5 Participants
Drinking history
Current
99 Participants
n=5 Participants
107 Participants
n=7 Participants
206 Participants
n=5 Participants
Drinking history
Past
47 Participants
n=5 Participants
46 Participants
n=7 Participants
93 Participants
n=5 Participants
Drinking history
Never
35 Participants
n=5 Participants
34 Participants
n=7 Participants
69 Participants
n=5 Participants
Smoking history
Current
80 Participants
n=5 Participants
91 Participants
n=7 Participants
171 Participants
n=5 Participants
Smoking history
Past
30 Participants
n=5 Participants
29 Participants
n=7 Participants
59 Participants
n=5 Participants
Smoking history
Never
71 Participants
n=5 Participants
67 Participants
n=7 Participants
138 Participants
n=5 Participants
Duration of Psoriasis (PsO)
124.33 months
STANDARD_DEVIATION 129.16 • n=5 Participants
114.20 months
STANDARD_DEVIATION 126.14 • n=7 Participants
119.19 months
STANDARD_DEVIATION 127.56 • n=5 Participants
Psoriasis Area and Severity Index (PASI) score
13.55 Unit on a scale
STANDARD_DEVIATION 4.78 • n=5 Participants
13.70 Unit on a scale
STANDARD_DEVIATION 4.98 • n=7 Participants
13.63 Unit on a scale
STANDARD_DEVIATION 4.88 • n=5 Participants
Psoriasis Area and Severity Index (PASI) category
10 to <12
93 Participants
n=5 Participants
98 Participants
n=7 Participants
191 Participants
n=5 Participants
Psoriasis Area and Severity Index (PASI) category
12 to <14
39 Participants
n=5 Participants
33 Participants
n=7 Participants
72 Participants
n=5 Participants
Psoriasis Area and Severity Index (PASI) category
14 to <16
13 Participants
n=5 Participants
21 Participants
n=7 Participants
34 Participants
n=5 Participants
Psoriasis Area and Severity Index (PASI) category
16 to <18
14 Participants
n=5 Participants
15 Participants
n=7 Participants
29 Participants
n=5 Participants
Psoriasis Area and Severity Index (PASI) category
18 to <20
5 Participants
n=5 Participants
2 Participants
n=7 Participants
7 Participants
n=5 Participants
Psoriasis Area and Severity Index (PASI) category
>= 20
17 Participants
n=5 Participants
18 Participants
n=7 Participants
35 Participants
n=5 Participants
Psoriasis (PsO) family history
Yes
26 Participants
n=5 Participants
28 Participants
n=7 Participants
54 Participants
n=5 Participants
Psoriasis (PsO) family history
No
155 Participants
n=5 Participants
159 Participants
n=7 Participants
314 Participants
n=5 Participants
Psoriatic Arthritis (PsA) family history
Yes
4 Participants
n=5 Participants
0 Participants
n=7 Participants
4 Participants
n=5 Participants
Psoriatic Arthritis (PsA) family history
No
177 Participants
n=5 Participants
187 Participants
n=7 Participants
364 Participants
n=5 Participants
Presence or absence of hard-to-treat area involvement (scalp, palmoplantar, nails)
Yes
117 Participants
n=5 Participants
121 Participants
n=7 Participants
238 Participants
n=5 Participants
Presence or absence of hard-to-treat area involvement (scalp, palmoplantar, nails)
No
64 Participants
n=5 Participants
66 Participants
n=7 Participants
130 Participants
n=5 Participants
Presence or absence of musculoskeletal symptoms
Yes
42 Participants
n=5 Participants
44 Participants
n=7 Participants
86 Participants
n=5 Participants
Presence or absence of musculoskeletal symptoms
No
139 Participants
n=5 Participants
143 Participants
n=7 Participants
282 Participants
n=5 Participants
Total Nail Psoriasis Severity Index (NAPSI) score
NAPSI score of left hand
4.71 Unit on a scale
STANDARD_DEVIATION 7.91 • n=5 Participants
5.56 Unit on a scale
STANDARD_DEVIATION 9.14 • n=7 Participants
5.14 Unit on a scale
STANDARD_DEVIATION 8.55 • n=5 Participants
Total Nail Psoriasis Severity Index (NAPSI) score
NAPSI score of right hand
4.61 Unit on a scale
STANDARD_DEVIATION 7.94 • n=5 Participants
5.85 Unit on a scale
STANDARD_DEVIATION 9.68 • n=7 Participants
5.24 Unit on a scale
STANDARD_DEVIATION 8.88 • n=5 Participants
Total Nail Psoriasis Severity Index (NAPSI) score
NAPSI score of left foot
3.71 Unit on a scale
STANDARD_DEVIATION 8.30 • n=5 Participants
5.71 Unit on a scale
STANDARD_DEVIATION 10.35 • n=7 Participants
4.73 Unit on a scale
STANDARD_DEVIATION 9.44 • n=5 Participants
Total Nail Psoriasis Severity Index (NAPSI) score
NAPSI score of right foot
4.01 Unit on a scale
STANDARD_DEVIATION 8.10 • n=5 Participants
5.95 Unit on a scale
STANDARD_DEVIATION 10.46 • n=7 Participants
4.99 Unit on a scale
STANDARD_DEVIATION 9.41 • n=5 Participants
Total Nail Psoriasis Severity Index (NAPSI) score
Total NAPSI score
17.04 Unit on a scale
STANDARD_DEVIATION 29.14 • n=5 Participants
23.06 Unit on a scale
STANDARD_DEVIATION 36.70 • n=7 Participants
20.10 Unit on a scale
STANDARD_DEVIATION 33.29 • n=5 Participants
SJC66/TJC68 total joint count
SJC66 joint count
1.00 Joint count
STANDARD_DEVIATION 4.89 • n=5 Participants
0.77 Joint count
STANDARD_DEVIATION 4.45 • n=7 Participants
0.88 Joint count
STANDARD_DEVIATION 4.67 • n=5 Participants
SJC66/TJC68 total joint count
TJC68 joint count
1.32 Joint count
STANDARD_DEVIATION 4.53 • n=5 Participants
1.12 Joint count
STANDARD_DEVIATION 4.55 • n=7 Participants
1.22 Joint count
STANDARD_DEVIATION 4.54 • n=5 Participants
SJC66/TJC68 total joint count
SJC66/TJC68 total joint count
2.32 Joint count
STANDARD_DEVIATION 8.97 • n=5 Participants
1.89 Joint count
STANDARD_DEVIATION 8.53 • n=7 Participants
2.10 Joint count
STANDARD_DEVIATION 8.74 • n=5 Participants

PRIMARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

After the completion of EARP questionnaire evaluation and the investigator's judgement as per routine practice in each group, all the participants were evaluated using Classification criteria for psoriatic arthritis (CASPAR). According to the CASPAR, participants having inflammatory articular disease with 3 or more points from the CASPAR were diagnosed as PsA, and the detection rate of PsA in each group was evaluated and compared. The detection rate of Psoriatic Arthritis (PsA) amongst moderate to severe Psoriasis (PsO) patients between the EARP group and the Routine practice groups was defined as the percentage of patients with true positive results divided by all patients in each EARP and Routine practice group. The true positive results were defined as patients with a classification criteria for psoriatic arthritis (CASPAR) score \>= 3 among EARP \>= 3 for the EARP group and among those suspected of PsA by investigator's judgement for the Routine Practice group.

Outcome measures

Outcome measures
Measure
EARP Group
n=181 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=187 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Detection Rate of Psoriatic Arthritis (PsA)
8 Participants
6 Participants

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

Sensitivity was summarized with the number and percentage of patients who have true positive (TP) among those who have true positive (TP) and false negative (FN). Specificity was summarized with the number and percentage of patients who have true negative (TN) among those who have true negative (TN) and false positive (FP). Positive predictive value (PPV) was summarized with the number and percentage of patients who have true positive (TP) among those who have true positive (TP) and false positive (FP). Negative predictive value (NPV) was summarized with the number and percentage of patients who have true negative (TN) among those who have true negative (TN) and false negative (FN).

Outcome measures

Outcome measures
Measure
EARP Group
n=181 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=187 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Sensitivity, Specificity, Positive Predictive Value (PPV) and Negative Predictive Value (NPV) Between EARP Questionnaire (EARP Group) and the Investigator's Judgement (Routine Practice Group)
Specificity
129 Participants
157 Participants
Sensitivity, Specificity, Positive Predictive Value (PPV) and Negative Predictive Value (NPV) Between EARP Questionnaire (EARP Group) and the Investigator's Judgement (Routine Practice Group)
Positive Predictive Value (PPV)
8 Participants
6 Participants
Sensitivity, Specificity, Positive Predictive Value (PPV) and Negative Predictive Value (NPV) Between EARP Questionnaire (EARP Group) and the Investigator's Judgement (Routine Practice Group)
Negative Predictive Value (NPV)
129 Participants
157 Participants
Sensitivity, Specificity, Positive Predictive Value (PPV) and Negative Predictive Value (NPV) Between EARP Questionnaire (EARP Group) and the Investigator's Judgement (Routine Practice Group)
Sensitivity
8 Participants
6 Participants

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

Age characteristics between patients with PsA and without PsA were analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Age Characteristics by Participants With or Without PsA
48.14 Years
Standard Deviation 12.13
44.02 Years
Standard Deviation 14.71

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

Gender characteristics between patients with PsA and without PsA were analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Gender Characteristics by Participants With or Without PsA
Male
20 Participants
249 Participants
Gender Characteristics by Participants With or Without PsA
Female
8 Participants
91 Participants

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

Body Mass Index (BMI) characteristics between patients with PsA and without PsA were analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=339 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Body Mass Index (BMI) Characteristics by Participants With or Without PsA
25.02 kg/m^2
Standard Deviation 3.38
25.76 kg/m^2
Standard Deviation 4.59

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

Drinking and smoking history characteristics between patients with PsA and without PsA were analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Drinking and Smoking History Characteristics by Participants With or Without PsA
Drinking history · Current
20 Participants
186 Participants
Drinking and Smoking History Characteristics by Participants With or Without PsA
Drinking history · Past
4 Participants
89 Participants
Drinking and Smoking History Characteristics by Participants With or Without PsA
Drinking history · Never
4 Participants
65 Participants
Drinking and Smoking History Characteristics by Participants With or Without PsA
Smoking history · Current
12 Participants
159 Participants
Drinking and Smoking History Characteristics by Participants With or Without PsA
Smoking history · Past
6 Participants
53 Participants
Drinking and Smoking History Characteristics by Participants With or Without PsA
Smoking history · Never
10 Participants
128 Participants

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

Duration of Psoriasis (PsO) characteristics between patients with PsA and without PsA were analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Duration of Psoriasis (PsO) Characteristics by Participants With or Without PsA
132.08 months
Standard Deviation 147.33
118.12 months
Standard Deviation 125.99

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

Family history of psoriasis (PsO) and psoriatic arthritis (PsA) characteristics between patients with PsA and without PsA were analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Family History of Psoriasis (PsO) and Psoriatic Arthritis (PsA) Characteristics by Participants With or Without PsA
Psoriasis (PsO) family history · Yes
6 Participants
48 Participants
Family History of Psoriasis (PsO) and Psoriatic Arthritis (PsA) Characteristics by Participants With or Without PsA
Psoriasis (PsO) family history · No
22 Participants
292 Participants
Family History of Psoriasis (PsO) and Psoriatic Arthritis (PsA) Characteristics by Participants With or Without PsA
Psoriatic Arthritis (PsA) family history · Yes
1 Participants
3 Participants
Family History of Psoriasis (PsO) and Psoriatic Arthritis (PsA) Characteristics by Participants With or Without PsA
Psoriatic Arthritis (PsA) family history · No
27 Participants
337 Participants

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

PASI combines the assessment of the severity of lesions and the area affected into a single score in the range 0 (no disease) to 72 (maximal disease). The body is divided into four sections (head (H) (10% of a person's skin); arms (A) (20%); trunk (T) (30%); legs (L) (40%)). Each of these areas is scored by itself, and then the four scores are combined into the final PASI. For each section, the percent of area of skin involved, is estimated and then transformed into a grade from 0 (0% of involved area) to 6 (90-100% of involved area). Within each area, the severity is estimated by three clinical signs: erythema (redness), induration (thickness) and desquamation (scaling). Severity parameters are measured on a scale of 0 (none) to 4 (maximum). The sum of all three severity parameters is then calculated for each section of skin, multiplied by the area score for that area and multiplied by weight of respective section (0.1 for head, 0.2 for arms, 0.3 for body and 0.4 for legs).

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Psoriasis Area and Severity Index (PASI) Score Characteristics by Participants With or Without PsA
13.76 Unit on a scale
Standard Deviation 4.68
13.62 Unit on a scale
Standard Deviation 4.90

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

The presence or absence of hard-to-treat area involvement (scalp, palmoplantar, nails) and presence or absence of musculoskeletal symptoms between patients with PsA and without PsA were analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
The Status of Hard-to-treat Area Involvement and Musculoskeletal Symptoms Characteristics by Participants With or Without PsA
Presence or absence of hard-to-treat area involvement (scalp, palmoplantar, nails) · Yes
27 Participants
211 Participants
The Status of Hard-to-treat Area Involvement and Musculoskeletal Symptoms Characteristics by Participants With or Without PsA
Presence or absence of hard-to-treat area involvement (scalp, palmoplantar, nails) · No
1 Participants
129 Participants
The Status of Hard-to-treat Area Involvement and Musculoskeletal Symptoms Characteristics by Participants With or Without PsA
Presence or absence of musculoskeletal symptoms · Yes
16 Participants
70 Participants
The Status of Hard-to-treat Area Involvement and Musculoskeletal Symptoms Characteristics by Participants With or Without PsA
Presence or absence of musculoskeletal symptoms · No
12 Participants
270 Participants

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

The Nail Psoriasis Severity Index (NAPSI) score is used to measure psoriasis of the nails. Each nail is divided into 4 equal and symmetrical quadrants to properly assess nail matrix and nail bed changes. Each nail is given a score for nail bed PsO and nail matrix PsO ranging from 0 (none) to 4 (present in 4/4 nail) depending on the presence of any of the features of nail PsO in that quadrant. A total score per nail is 0-8, and the range of the total scores from all nails is 0-160 (toenails are included).

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Nail Psoriasis Severity Index (NAPSI) Score Characteristics by Participants With or Without PsA
NAPSI score of left hand
10.43 Unit on a scale
Standard Deviation 11.21
4.71 Unit on a scale
Standard Deviation 8.17
Nail Psoriasis Severity Index (NAPSI) Score Characteristics by Participants With or Without PsA
NAPSI score of right hand
9.18 Unit on a scale
Standard Deviation 11.10
4.91 Unit on a scale
Standard Deviation 8.61
Nail Psoriasis Severity Index (NAPSI) Score Characteristics by Participants With or Without PsA
NAPSI score of left foot
9.29 Unit on a scale
Standard Deviation 13.06
4.35 Unit on a scale
Standard Deviation 9.00
Nail Psoriasis Severity Index (NAPSI) Score Characteristics by Participants With or Without PsA
NAPSI score of right foot
9.54 Unit on a scale
Standard Deviation 11.57
4.62 Unit on a scale
Standard Deviation 9.13
Nail Psoriasis Severity Index (NAPSI) Score Characteristics by Participants With or Without PsA
Total NAPSI score
38.43 Unit on a scale
Standard Deviation 43.45
18.59 Unit on a scale
Standard Deviation 31.93

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

66 swollen and 68 tender joints are assessed (the hips are not assessed for swelling). The joint count is scored as a sum of the tender joints and a sum of the swollen joints. SJC66: swollen joint count in 66 joints; TJC68: tender joint count in 66 joints.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=54 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
SJC66/TJC68 Total Joint Count Characteristics by Participants With or Without PsA
SJC66 joint count
5.36 Joint count
Standard Deviation 11.18
0.51 Joint count
Standard Deviation 3.44
SJC66/TJC68 Total Joint Count Characteristics by Participants With or Without PsA
TJC68 joint count
6.00 Joint count
Standard Deviation 9.88
0.83 Joint count
Standard Deviation 3.53
SJC66/TJC68 Total Joint Count Characteristics by Participants With or Without PsA
SJC66/TJC68 total joint count
11.36 Joint count
Standard Deviation 20.01
1.34 Joint count
Standard Deviation 6.57

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS)

The presence or absence of co-morbidities (heart diseases, stroke, diabetes, hyperlipidemia, hypertension and fatty liver)) between patients with PsA and without PsA were analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=28 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=340 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Solicited Medical History by Participants With or Without PsA
Heart diseases · Past
0 Participants
0 Participants
Solicited Medical History by Participants With or Without PsA
Heart diseases · Current
3 Participants
8 Participants
Solicited Medical History by Participants With or Without PsA
Heart diseases · Never
25 Participants
332 Participants
Solicited Medical History by Participants With or Without PsA
Stroke · Past
0 Participants
0 Participants
Solicited Medical History by Participants With or Without PsA
Stroke · Current
0 Participants
3 Participants
Solicited Medical History by Participants With or Without PsA
Stroke · Never
28 Participants
337 Participants
Solicited Medical History by Participants With or Without PsA
Diabetes · Past
0 Participants
0 Participants
Solicited Medical History by Participants With or Without PsA
Diabetes · Current
2 Participants
27 Participants
Solicited Medical History by Participants With or Without PsA
Diabetes · Never
26 Participants
313 Participants
Solicited Medical History by Participants With or Without PsA
Hyperlipidemia · Past
0 Participants
0 Participants
Solicited Medical History by Participants With or Without PsA
Hyperlipidemia · Current
8 Participants
40 Participants
Solicited Medical History by Participants With or Without PsA
Hyperlipidemia · Never
20 Participants
300 Participants
Solicited Medical History by Participants With or Without PsA
Hypertension · Past
0 Participants
0 Participants
Solicited Medical History by Participants With or Without PsA
Hypertension · Current
9 Participants
62 Participants
Solicited Medical History by Participants With or Without PsA
Hypertension · Never
19 Participants
278 Participants
Solicited Medical History by Participants With or Without PsA
Fatty liver · Past
0 Participants
0 Participants
Solicited Medical History by Participants With or Without PsA
Fatty liver · Current
2 Participants
15 Participants
Solicited Medical History by Participants With or Without PsA
Fatty liver · Never
26 Participants
325 Participants

SECONDARY outcome

Timeframe: Visit 1 (Day 1)

Population: Full Analysis Set (FAS). Only participants with PsO related treatment other than medications included.

The presence or absence of PsO related treatment other than medications (UV light therapy, Psoralen with ultraviolet A (PUVA), Phototherapy and Laser therapy and Naturopathy) between patients with PsA and without PsA was analyzed and compared.

Outcome measures

Outcome measures
Measure
EARP Group
n=3 Participants
For the EARP group, the investigator provided this questionnaire to participants, who filled out it based on their symptoms. Afterwards, the investigator calculated the total score of the questionnaire answered by the participant, and further evaluated the participants using the CASPAR.
Routine Practice Group
n=40 Participants
In the control group, PsA risk was assessed in moderate to severe PsO patients as per routine practice without using the EARP screening. After the completion of PsA risk assessment via routine practice according to the investigator's judgement, the participants were further evaluated using the CASPAR.
Percentage of Participants With PsO Related Treatment Other Than Medications by Participants With or Without PsA
UV light therapy
2 Participants
20 Participants
Percentage of Participants With PsO Related Treatment Other Than Medications by Participants With or Without PsA
Psoralen with ultraviolet A (PUVA)
1 Participants
11 Participants
Percentage of Participants With PsO Related Treatment Other Than Medications by Participants With or Without PsA
Phototherapy
0 Participants
7 Participants
Percentage of Participants With PsO Related Treatment Other Than Medications by Participants With or Without PsA
Laser therapy
0 Participants
2 Participants

Adverse Events

EARP Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Routine Practice Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Study Director

Novartis Pharmaceuticals

Phone: 1 862 778 8300

Results disclosure agreements

  • Principal investigator is a sponsor employee The terms and conditions of Novartis' agreements with its investigators may vary. However, Novartis does not prohibit any investigator from publishing. Any publications from a single-site are postponed until the publication of the pooled data (i.e., data from all sites) in the clinical trial.
  • Publication restrictions are in place

Restriction type: OTHER