Early biopsychological changes during masculinizing gender-affirming hormone therapy in AFAB transgender individuals: a 4-month prospective study - Report - MDSpire

Early biopsychological changes during masculinizing gender-affirming hormone therapy in AFAB transgender individuals: a 4-month prospective study

  • By

  • Ludek Fiala

  • Daniela Kestlerova

  • Jakub Nespor

  • Jiri Lenz

  • June 17, 2026

  • 0 min

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Clinical Report: Initial Biopsychological Transformations in AFAB Transgender Individuals

Overview

This study investigates early biopsychological changes in transgender individuals assigned female at birth undergoing masculinizing hormone therapy (GAHT). Significant reductions in anxiety and trauma-related symptoms, along with improvements in quality of life, were observed over the first four months of treatment.

Background

Transgender individuals often face heightened psychological distress, including anxiety and trauma-related symptoms, which can impact their quality of life. Gender-affirming hormone therapy (GAHT) is known to alleviate some of this distress, yet the early biopsychological changes during the initial phase of masculinizing therapy remain poorly understood. Understanding these changes is crucial for optimizing treatment and support for this population.

Data Highlights

Assessment TimepointEstradiol LevelsTestosterone LevelsAnxiety (HAM-A)Trauma Symptoms (TSC-40)Quality of Life (MANSA)
BaselineHighLowHighHighLow
2 MonthsDecreasedIncreasedReducedReducedImproved
4 MonthsFurther DecreasedFurther IncreasedSignificantly ReducedSignificantly ReducedSignificantly Improved

Key Findings

  • Significant reductions in anxiety and trauma-related symptoms were observed after 4 months of GAHT.
  • Quality of life measures improved significantly over the treatment period.
  • Endocrine changes included decreased estradiol and increased testosterone levels.
  • Associations between hormonal changes and psychological improvements were more pronounced at 4 months compared to earlier assessments.
  • Psychological improvements were influenced by factors beyond hormonal changes alone.

Clinical Implications

Clinicians should monitor psychological outcomes alongside hormonal changes in transgender individuals undergoing GAHT. Early intervention and support may enhance psychological adaptation during the initial treatment phase, addressing both endocrine and psychosocial factors.

Conclusion

The study highlights the favorable early biopsychological changes associated with masculinizing GAHT in transgender individuals assigned female at birth. Further research is warranted to explore the complex interplay between hormonal and psychological factors during transition.

Related Resources & Content

  1. Frontiers in Endocrinology, 2026 -- Changes in Body Composition and Phase Angle Over One Year of Feminizing Gender-Affirming Hormone Therapy
  2. The Journal of Clinical Endocrinology & Metabolism, 2025 -- Influence of GnRH Analogues and Hormonal Treatments on Bone Structure in Transgender Populations
  3. The Journal of Clinical Endocrinology & Metabolism, 2025 -- Evaluating Cardiometabolic Risk in Transgender Populations: The Impact of Sex Hormones and Chromosomal Differences
  4. Standards of Care 8 - WPATH, 2022
  5. Frontiers in Endocrinology — Feminizing hormone therapy using GnRH agonists as antiandrogens is not associated with adverse metabolic and bone effects in adult transgender women
  6. Early Access to Testosterone Therapy in Transgender and Gender-Diverse Adults Seeking Masculinization: A Randomized Clinical Trial
  7. Mental Health Changes in US Transgender Adults Beginning Hormone Therapy Via Telehealth: Longitudinal Cohort Study
  8. Standards of Care 8 - WPATH

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