Willingness To Pay and Time Trade-Off in Thai Patients with Port-wine Stains

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20201110003

Enrollment

Registered

2020-11-10

Start date

2021-07-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Port wine stains Port wine stains Willingness to pay Time trade off

Interventions

All facial port wine stains patients who visited Siriraj Skin Laser Center (SISL)

Health Services Research

Port wine stains

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: All facial port wine stains patients who visited Siriraj Skin Laser Center (SISL)

Exclusion criteria

Exclusion criteria: 1. Cannot read or understand the questionnaire 2. not willing to answer the questionnaire

Design outcomes

Primary

Measure	Time frame
Willingness to pay visit 0,6,11,16,21 Questionnaire	—

Secondary

Measure	Time frame
Time trade off visit 0,6,11,16,21 Questionnaire	—

Countries

Thailand

Contacts

Public ContactYanisorn Nanchaipruek

Faculty of Medicine Siriraj Hospital, Mahidol University

yanisorn.nan@gmail.com0946949454

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026