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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02285049
Other study ID # Urticaria Control Test
Secondary ID
Status Completed
Phase N/A
First received October 17, 2014
Last updated February 28, 2016
Start date November 2014
Est. completion date January 2016

Study information

Verified date February 2016
Source Mahidol University
Contact n/a
Is FDA regulated No
Health authority Thailand: Institutional Review Board
Study type Observational

Clinical Trial Summary

Chronic urticaria symptoms commonly fluctuate from day by day. Consequently the clinical presentation of a patient in each visit is not representative of the current disease status. Dermatologists are trying to integrate an evaluation process of each treatment visit regarding both clinical condition and life quality concern. The Urticaria Control Test is the key for a better treatment outcome in a routine management. To translate this questionnaire into Thai is essential in our subject of interest for offering local patients a higher well-being standard. The Thai-version test will encourage enhanced as well as impactful therapeutic options for Thai chronic urticaria patients.


Description:

1. Independently adaption of the UCT questionnaire into Thai version by using forward-backward translation by two bilingual translators. The original German version is translated into Thai by two Thai native speakers, then the study team reviews the Thai-version UCT questionnaire for items comprehensibility and integrates the first consensus version which re-translated into German by German native speaker afterwards. The comparison between the backward German version UCT questionnaire and the original UCT is carried out to find out any misconception and mistranslation in the intermediary forward version of questionnaire. The second version will be tested on 15 chronic urticaria patients to detect any misunderstanding points. Finally, this Thai-version of UCT questionnaire will be used to investigate the validity, reliability, interpretability and minimal clinical important difference.

2. To investigate the validity, reliability and interpretability of Thai-version of Urticaria Control Test, the severity of urticaria symptoms will be assessed by investigators and patients using UAS28, Patient's global assessment of disease severity (PatGA-LS), Physician's global assessment of disease control (PhyGA-LS), the UCT and DLQI questionnaire


Recruitment information / eligibility

Status Completed
Enrollment 169
Est. completion date January 2016
Est. primary completion date February 2015
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Age 18 years old or above

- Diagnosed as chronic urticaria based on "The EAACI/GA(2) LEN/EDF/WAO Guideline: the 2013 revision and update" by dermatologists

- Literate in Thai language and can complete the questionnaire by themselves.

Exclusion Criteria:

- Have other active skin diseases

- Have a psychiatric problem

- Cannot understand the questionnaire by themselves.

Study Design

Observational Model: Case-Only, Time Perspective: Prospective


Related Conditions & MeSH terms


Intervention

Other:
Urticaria Control Test
The patients get the 1st UAS28 form and four-week appointment to follow up. Collect completed UAS28 assessment, Patient's global assessment of disease severity (PatGA-LS) and Physician's global assessment of disease control (PhyGA-LS) Then patients fill the 1st UCT and DLQI questionnaire by themselves. The patients get the 2nd UAS28 form and four-week appointment to follow up. At the 2nd visit, collect completed UAS28 assessment. Assessment the severity of chronic urticaria symptoms by Patient's global assessment of disease severity (PatGA-LS) and Physician's global assessment of disease control (PhyGA-LS). The patients fill the UCT and DLQI and questionnaire by themselves.

Locations

Country Name City State
Thailand Siriraj Hospital Mahidol University Bangkok

Sponsors (2)

Lead Sponsor Collaborator
Mahidol University Charite University, Berlin, Germany

Country where clinical trial is conducted

Thailand, 

Outcome

Type Measure Description Time frame Safety issue
Primary Convergent validity of Thai version of Urticaria Control Test Compare the relationship among Urticaria Activity Score (UAS28), Patient's global assessment of disease severity (PatGA-LS), Physician's global assessment of disease control (PhyGA-LS), Dermatology Life Quality Index (DLQI) and Thai-version UCT. 4 week No
Secondary Reliability of Thai version of Urticaria Control Test Investigate the internal consistency of Thai-version of UCT by using Cronbach's alpha coefficient.
Investigate the intraclass correlation coefficient of Thai-version of UCTscores in the patients who had no clinical change and obtained stable scores between 1st and 2nd visits.
4 week No
Secondary Interpretability of Thai version of Urticaria Control Test - Investigate the Thai-version of UCT cut-off scores between mild, moderate and severe levels of urticaria control 4 week No
Secondary Screening accuracy (Responsiveness to Change) of Thai version of Urticaria Control Test Investigate the correlation between UAS28 changes and Thai-version of UCT changes between the 1st and 2nd visits. 4 week No
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