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Clinical Trial Summary

A transgender man is someone with a male identity who were born with a vulva and vagina. The acquisition of masculine characters can come from surgery or from the use of testosterone. Despite the benefit of using this hormone in relation to hair development, muscle mass gain and changes in voice timbre, its use can cause an increase in the hematocrit (Ht) level. When erythrocytosis occurs (Ht ≥ 50%), the currently proposed conduct is the suspension of cross-hormonization for 3 months, which has negative effects on the affirmation process. This project aims to assess whether reducing the dose of testosterone cypionate by half (100mg/15d) can mitigate the negative outcomes caused by the suspension with the benefit of reducing the hematocrit level in trans patients who developed erythrocytosis using testosterone. This is a pilot study that will compare the intervention (testosterone cypionate 100 mg, fortnightly) to the suspension of the drug, both for 3 months, with the main outcome being the hematocrit level. Hormonal and biochemical levels and the Hospital Anxiety and Depression scale (HAD) will also be evaluated in patients treated at the Gender Incongruence Outpatient Clinic of the Hospital das Clínicas of the Faculty of Medicine of Ribeirão Preto.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05487794
Study type Interventional
Source University of Sao Paulo
Contact SERGIO HENRIQUE PIRES OKANO, MSC
Phone 16996136856
Email SERGIO.OKANO@USP.BR
Status Recruiting
Phase N/A
Start date September 1, 2022
Completion date July 31, 2025

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