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Headache and hormone use among transgender adults in Thailand

Studies how common headache and migraine are in transgender adults in Thailand.

Key facts

Who runs it
Chulalongkorn University
Where
Bangkok, ThailandSee the site
Trial code
Registry title
Headache and Hormone Use Among Transgender Population in Thailand: A Cross-Sectional Online Study
Status
Not yet recruiting
People taking part
500 people, planned
Started
1 Nov 2026
Expected to end
31 Dec 2027
Type of study
Observational
Treatments tested
  • gender-affirming hormone therapy
  • Gender-Affirming Surgery
  • HIV Pre-Exposure Prophylaxis
Record updated
14 September 2026

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for transgender adults who attend or used to attend the Tangerine Clinic in Bangkok, Thailand. It studies how common headache and migraine are.

Age
18 years or older
Sex
All

Main reasons for not taking part

  • Alcohol or drug use, or a medical condition that could get in the way of completing the study or giving consent
  • A medical condition known to cause a secondary headache disorder unrelated to migraine, such as head trauma, a structural brain lesion, or an infection

The registry criteria, word for word

Show all 7 criteriaShow less

Who can take part

  • Age 18 years or older
  • Self-identifies as transgender
  • Currently attends or has previously attended the Tangerine Clinic in Bangkok, Thailand
  • Able to understand the study information and provide electronic informed consent
  • Able to complete the online study questionnaire

Who cannot take part

  • Alcohol or drug use, or a medical condition that, in the investigator's judgment, could interfere with completion of the study procedures or the ability to provide informed consent
  • A medical condition known to cause a secondary headache disorder unrelated to migraine, such as head trauma, a structural brain lesion, or an infection

Where in Thailand

  • Location Back to Contacts and Locations On this page, enter a location where the study is taking place.Bangkok, ThailandContact: Jakkrapatara Boonruang, MDNo longer taking part

About the trial

What the trial wants to find out

The goal of this observational study is to learn how common headache and migraine are and to describe headache patterns among transgender adults in Thailand. The main questions it aims to answer are:

Read full original descriptionShow less

* How common are headache and migraine among transgender adults in Thailand? * What headache patterns and levels of headache-related disability do participants report? * Are gender-affirming hormone therapy, gender-affirming surgery, or HIV pre-exposure prophylaxis (PrEP) use related to headache or migraine?

About 500 transgender adults aged 18 years or older who currently attend or previously attended the Tangerine Clinic in Bangkok, Thailand, will take part.

Participants will:

* Provide consent online * Complete an online questionnaire about their general health and headache symptoms * Answer questions about gender-affirming hormone therapy, gender-affirming surgery, and PrEP use * Complete questionnaires that screen for migraine and measure how headaches affect daily activities

This study will not assign any treatment or change the participants' usual medical care.

The group in the trial

  • Transgender Adults

    Adults in Thailand who self-identify as transgender and currently attend or have previously attended the Tangerine Clinic in Bangkok. Participants will complete an online questionnaire about headache symptoms, migraine, gender-affirming care, and HIV pre-exposure prophylaxis use.

    Treatment: gender-affirming hormone therapy, Gender-Affirming Surgery, and HIV Pre-Exposure Prophylaxis

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Headache and Hormone Use Among Transgender Population in Thailand: A Cross-Sectional Online Study
Plain-language title
Headache and hormone use among transgender adults in ThailandGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 12 November 2026.
Record updated
14 September 2026