Status:

RECRUITING

Perception of Pain During Gender Affirming Hormone Therapy

Lead Sponsor:

Medical University of Vienna

Conditions:

Transgender Persons

Pain Threshold

Eligibility:

All Genders

18+ years

Brief Summary

It is known from the literature that women and men differ in their perception of pain. Why this is the case has not been conclusively clarified. Sex hormones could have a significant influence on this...

Eligibility Criteria

Inclusion

  • ≥ 18 years of age
  • Assigned female at birth (AFAB)
  • Diagnosed gender identity disorder/gender dysphoria and planned therapy with testosterone OR
  • ≥ 18 years of age
  • Assigned male at birth (AMAB)
  • Diagnosed gender identity disorder/ gender dysphoria and planned therapy with estradiol

Exclusion

  • Any sex hormone intake during the last 6 months
  • Acute or chronic pain
  • Polyneuropathy
  • Diagnosis of alcohol or drug addiction
  • BMI under 18 or over 35
  • Pregnancy
  • Breastfeeding
  • Pharmacological analgesic therapy within the previous 7 days before each examination
  • History of significant trauma or surgery to the hands with residual neurological deficit or pain.

Key Trial Info

Start Date :

December 1 2024

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

March 1 2026

Estimated Enrollment :

40 Patients enrolled

Trial Details

Trial ID

NCT07148921

Start Date

December 1 2024

End Date

March 1 2026

Last Update

August 29 2025

Active Locations (1)

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Mecial University of Vienna

Vienna, Vienna, Austria, 1090