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Michal Yackobovitch–Gavan, Ariel Tenenbaum, Moshe Phillip, Liora Lazar, Tal Oron, Aromatase-inhibitors Treatment Alone or with GH Increases Final Height in Short-Statured Pubertal Boys - Real-World Data, The Journal of Clinical Endocrinology & Metabolism, 2025;, dgaf224, https://doi.org/10.1210/clinem/dgaf224
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Abstract
Short-statured mid-pubertal boys with predicted adult height (PAHt) below the third percentile are a therapeutic challenge. Aromatase inhibitors (AI) delay estrogen-driven epiphyseal fusion and possibly enhance adult height (AHt).
To assess the efficacy of AI treatment on AHt in mid-pubertal boys with a short PAHt due to advanced bone age (BA) or idiopathic short stature (ISS).
Retrospective study.
Tertiary pediatric endocrine referral center.
Two groups of mid-pubertal boys treated with AI were studied: 27 boys with fast puberty compared to matched untreated controls and 16 boys with ISS treated with GH and AI compared to those treated with GH only. Anthropometric measurements, BA and PAHt, were tracked. AHt was compared across groups.
Achieved AHt in AI-treated boys versus controls and the PAHt.
The median duration of AI treatment was 2.8 years for the AI-only group and 2 years for the GH&AI group. Throughout treatment, AI-treated groups gained height similarly to controls, showed a decrease in BASDS (AI only: P=0.009; GH&AI: P=0.029), and an improvement in PAHt (AI only: P=0.003; GH&AI: P=0.037). Compared to controls, AI-treated children achieved greater AHt (AI only: 166.6±3.1 cm vs. 163.4±1.3 cm, P=0.003; GH&AI: 167.3±6.1 cm vs. 164.9±3.5 cm, P=0.194). The difference between AHt and PAHt at baseline was more pronounced in the AI-treated groups (AI only: 3.8±3.5 cm vs. -0.3±5.0 cm, P=0.001; GH&AI: 7.5±5.2 cm vs. 4.3±3.6 cm, P=0.050).
AI treatment extends the growth period, resulting in an AHt surpassing initial predictions. Our findings underscore the potential of AI treatment in mid-pubertal boys with a short PAHt due to advanced BA and in those treated with GH for ISS.