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Anti-androgenic effects comparison between Cyproterone acetate and Spironolactone in Transgender women: A Randomized Controlled Trial

Anti-androgenic effects comparison between Cyproterone acetate and Spironolactone in Transgender women: A Randomized Controlled Trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20190404001
Enrollment
52
Registered
2019-04-04
Start date
2019-04-03
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

Total testosterone level Estradiol level Sex&#45

Interventions

Participants(Gender dysphoria patients) will be received Estradiol valerate(4 mg daily) combined with Cyproterone acetate(25 mg daily) for cross&#45
sex hormone treatment.,Participants(Gender dysphoria patients) will be received Estradiol valerate(4 mg daily) combined with Spironolactone(100 mg daily) for cross&#45
sex hormone treatment.
Active Comparator Drug,Experimental Drug
Cyproterone acetate,Spironolactone

Sponsors

Ratchadapiseksompotch Fund, Faculty of Medicine
Lead Sponsor
Ratchadapiseksompotch Fund&#44
Collaborator
Faculty of Medicine
Collaborator

Eligibility

Sex/Gender
Male
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Gender dysphoria patients (Diagnosed from DSM V) Male to female transgender Not underwent orchidectomy No psychological disease or mental retardation

Exclusion criteria

Exclusion criteria: Anti-androgen usage 3 months prior to inclusion date History of active liver or kidney disease Diabetes type I, II Abnormal liver function test, Kidney function High serum potassium High prolactin level

Design outcomes

Primary

MeasureTime frame
Testosterone level 3 months after intervention ECLIA of total testosterone level

Secondary

MeasureTime frame
Physical and Metabolic changes 3 months after intervention Physical examination, Metabolic profile parameters

Countries

Thailand

Contacts

Public ContactSupanut Burinkul

Chulalongkorn university

supanut_brk@hotmail.com0865616655

Outcome results

None listed

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