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Study identifier: NCT06544473 Synced from ClinicalTrials.gov · July 28, 2026
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Determining Dose Equivalence Between Oral and Transdermal Estrogen Treatment in Women With Turner Syndrome

Condition: Turner Syndrome · Hypogonadism; Ovarian · Hormone Replacement Therapy  ·  Sponsor: Aarhus University Hospital

PhasePhase 4
Planned participants50
Who can joinFemale, 18 Years to 50 Years
Healthy volunteersNo

About this study

This 5-week, phase IV randomized crossover trial aims to compare the effects of oral versus transdermal estrogen replacement therapy (ERT) in women with Turner syndrome (TS). The objective is to establish the equipotency between the two estradiol regimens by evaluating various estradiol-dependent surrogate markers. The study involves 50 women with TS, aged 18-50 years, who are randomized to receive either oral or transdermal ERT for 14 days, followed by a crossover to the alternate treatment for another 14 days, with a one-week washout period in between. Blood tests are conducted at baseline, after the first 14 days of treatment, after the washout period, and after the final 14 days of treatment. The investigators anticipate that this study will provide clinicians with a better understanding of ERT in treating women with TS.

This description comes directly from the study's public registry record.

Talk to the study team

Camilla M Balle, Ph.d.-student  ·  40769623  ·  camibl@clin.au.dk

Claus H Gravholt, Professor  ·  78455470  ·  claus.gravholt@clin.au.dk

Always discuss trial participation with your own doctor first.

Locations (1)

Department of Endocrinology and Internal Medicine, Aarhus University HospitalAarhus, Aarhus N, DenmarkRecruiting

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Source record: clinicaltrials.gov/study/NCT06544473