Age matters: study hopes to boost fertility options for men with klinefelter syndrome
NCT ID NCT01918280
First seen Dec 26, 2025 · Last updated May 24, 2026 · Updated 17 times
Summary
This study looked at 141 men with Klinefelter syndrome (47,XXY) to see if younger men (ages 15–22) have a better chance of finding sperm through testicular biopsy compared to older men (ages 23–55). Participants provided two semen samples, and if no sperm were found, they had a biopsy. The goal is to improve fertility preservation by identifying the best age for sperm retrieval.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Groupe de Médecine de la Reproduction - CECOS Midi-Pyrénées - Hôpital Paule de Viguier)
Toulouse, 31059, France
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Service d'Endocrinologie Moléculaire et Maladies Rares, Centre de Biologie Est, Hospices Civils de Lyon
Bron, 69677, France
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Service de Biologie de la Reproduction - CECOS - Groupe Hospitalier Pellegrin
Bordeaux, 33076, France
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Service de Biologie de la Reproduction - Hôpital de la Conception
Marseille, 13385, France
Conditions
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