Current clinical care for women with complete androgen insensitivity syndrome across the European reference network on rare endocrine conditions
34 affiliations
- 1Department of Clinical Sciences and Community Health, University of Milan, Dipartimento Di Eccellenza, 2023-2027 Milan, Italy
- 2Endocrinology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- 3Department of Surgery, Dentistry, Pediatrics and Gynecology, Pediatric Clinic C, University of Verona, Verona, Italy
- 4Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
- 5Unit of Endocrinology and Metabolic Diseases, Department of Advanced Medical and Surgical Sciences, University of Campania Luigi Vanvitelli, Naples, Italy
- 6Department of Pediatrics, Klinikum Wels, Wels, Austria
- 7Department of Internal Medicine and Paediatrics, Ghent University and Department of Paediatric Endocrinology, Ghent University Hospital, Ghent, Belgium
- 8Pediatric Endocrinology and Diabetology, Reference Center for Rare Diseases of Thyroid and Hormone Receptors, Angers Universital Hospital, Angers, France
- 9Department of Public Health and Pediatric Sciences, University of Torino, Torino, Italy
- 10Department of Pediatrics and Pediatric Endocrinology, Faculty of Medical Sciences, Medical University of Silesia, Katowice, Poland
- 11Department of Woman, Child, General and Specialized Surgery, Università Degli Studi Della Campania Luigi Vanvitelli, Naples, Italy
- 12Dept. of Paediatric Endocrinology, Amsterdam UMC Location Vrije Universiteit, Amsterdam, The Netherlands
- 13Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, Netherlands
- 14Amsterdam Reproduction and Development, Amsterdam, Netherlands
- 15University Hospital Schleswig-Holstein, Campus Luebeck, Germany
- 16University Hospital Schleswig-Holstein, Campus, Kiel, Germany
- 17Department of Paediatrics, Second Faculty of Medicine of Charles University and University Hospital Motol, Prague, Czech Republic
- 18Endocrinology, Diabetes and Metabolism, Department of Medical Sciences, University of Turin, Turin, Italy
- 19Dept of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
- 20Department of Endocrine and Metabolic Diseases, RCCS Istituto Auxologico Italiano, Milan, Italy
- 21Department of Molecular Genetics, Function & Therapy, The Cyprus Institute of Neurology & Genetics, Nicosia, Cyprus
- 22Department of Experimental and Clinical Biomedical Science, University of Florence, Careggi Universital Hospital, Florence, Italy
- 23Division of Pediatric Pulmonology, Allergology and Endocrinology, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
- 24Division of Pediatric Endocrinology, St Anna Children´S Hospital, Medical University of Vienna, Vienna, Austria
- 25Unit of Endocrinology Azienda Ospedaliero, Uiversitaria of Modena, Modena, Italy
- 26Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
- 27Reference Center for Rare Diseases of Thyroid and Hormone Receptors, Angers University Hospital, Angers, France
- 28Department of Pediatrics, Endocrine Unit, IRCCS San Raffaele Hospital, Milan, Italy
- 29Pediatric Endocrinology Section, Vall d’Hebron University Hospital and Autonomous University of Barcelona, Barcelona, Spain
- 30CIBER Enfermedades Raras, Instituto Carlos III, Madrid, Spain
- 31German Center for Child and Adolescents Health (DZKJ), Partner Site Ulm and Center for Rare Endocrine Diseases, Division of Paediatric Endocrinology and Diabetes, University Medical Center Ulm, Ulm, Germany
- 32Department of Endocrinology, Aarhus University Hospital, Aarhus, Denmark
- 33Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- 34Department of Pediatrics, Radboud University Medical Center, Nijmegen, Netherlands
Abstract
Background: Complete androgen insensitivity syndrome (CAIS) is a rare condition affecting sex development. Due to limited literature, especially for providing care in adulthood, clinical management remains challenging, and several issues remain inadequately addressed.
Methods: We conducted an international survey to examine current clinical practices in the management of CAIS across the Referral Centres (RC) of Main Thematic Group 7 (MTG7) of the European Reference Network on Rare Endocrine Conditions (Endo-ERN), with the aim of identifying needs for standardization and potential gaps in care. We collected responses from 24 RC in 11 countries for a total of 256 individuals with CAIS. The majority of respondents were paediatric centres (62.5%), highlighting the challenges in obtaining comprehensive data on adults with CAIS. The survey addressed various aspects of care, including diagnosis, genetic testing, gonadectomy, hormone replacement therapy (HRT), bone health, management of vaginal hypoplasia, and sexual outcomes.
Results: Key findings highlight significant variability in HRT protocols across centres, especially in adulthood, and reveal a lack of standardization in assessing potential long-term outcomes such as bone and sexual health.
Conclusions: Given the complexity and rarity of CAIS, a centralized approach referring patients to centres with expertise in the management of the condition and the development of a clinical practice expert opinion for the management of CAIS beyond the paediatric age could help address current gaps, particularly in the transition from paediatric to adult care. All participating experts emphasized the need to develop such document to optimize CAIS care.
Supplementary Information: The online version contains supplementary material available at https://doi.org/10.1007/s40618-026-02990-5.
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BibTeX
@article{profka2026current,
title = {{Current clinical care for women with complete androgen insensitivity syndrome across the European reference network on rare endocrine conditions}},
author = {Eriselda Profka and Alessandra Mangone and Franco Antoniazzi and Federico Baronio and Giuseppe Bellastella and Walter Bonfig and Martine Cools and Régis Coutant and Luisa De Sanctis and Aneta Gawlik-Starzyk and Anna Grandone and Sabine E. Hannema and Olaf Hiort and Paul-Martin Holterhus and Jana Krenek Malikova and Giovanna Motta and Luca Persani and Leonidas Phylactou and Giulia Rastrelli and Stefan Riedl and Vincenzo Rochira and Patrice Rodien and Gianni Russo and Diego Yeste and Martin Wabitsch and Claus H. Gravholt and Hedi Claahsen - van der Grinten and Giovanna Mantovani},
journal = {Journal of Endocrinological Investigation},
year = {2026},
month = jul,
doi = {10.1007/s40618-026-02990-5},
url = {https://doi.org/10.1007/s40618-026-02990-5},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Current clinical care for women with complete androgen insensitivity syndrome across the European reference network on rare endocrine conditions
AU - Eriselda Profka
AU - Alessandra Mangone
AU - Franco Antoniazzi
AU - Federico Baronio
AU - Giuseppe Bellastella
AU - Walter Bonfig
AU - Martine Cools
AU - Régis Coutant
AU - Luisa De Sanctis
AU - Aneta Gawlik-Starzyk
AU - Anna Grandone
AU - Sabine E. Hannema
AU - Olaf Hiort
AU - Paul-Martin Holterhus
AU - Jana Krenek Malikova
AU - Giovanna Motta
AU - Luca Persani
AU - Leonidas Phylactou
AU - Giulia Rastrelli
AU - Stefan Riedl
AU - Vincenzo Rochira
AU - Patrice Rodien
AU - Gianni Russo
AU - Diego Yeste
AU - Martin Wabitsch
AU - Claus H. Gravholt
AU - Hedi Claahsen - van der Grinten
AU - Giovanna Mantovani
PY - 2026
DA - 2026/07/20
JO - Journal of Endocrinological Investigation
DO - 10.1007/s40618-026-02990-5
UR - https://doi.org/10.1007/s40618-026-02990-5
AB - Background: Complete androgen insensitivity syndrome (CAIS) is a rare condition affecting sex development. Due to limited literature, especially for providing care in adulthood, clinical management remains challenging, and several issues remain inadequately addressed. Methods: We conducted an international survey to examine current clinical practices in the management of CAIS across the Referral Centres (RC) of Main Thematic Group 7 (MTG7) of the European Reference Network on Rare Endocrine Conditions (Endo-ERN), with the aim of identifying needs for standardization and potential gaps in care. We collected responses from 24 RC in 11 countries for a total of 256 individuals with CAIS. The majority of respondents were paediatric centres (62.5%), highlighting the challenges in obtaining comprehensive data on adults with CAIS. The survey addressed various aspects of care, including diagnosis, genetic testing, gonadectomy, hormone replacement therapy (HRT), bone health, management of vaginal hypoplasia, and sexual outcomes. Results: Key findings highlight significant variability in HRT protocols across centres, especially in adulthood, and reveal a lack of standardization in assessing potential long-term outcomes such as bone and sexual health. Conclusions: Given the complexity and rarity of CAIS, a centralized approach referring patients to centres with expertise in the management of the condition and the development of a clinical practice expert opinion for the management of CAIS beyond the paediatric age could help address current gaps, particularly in the transition from paediatric to adult care. All participating experts emphasized the need to develop such document to optimize CAIS care. Supplementary Information: The online version contains supplementary material available at https://doi.org/10.1007/s40618-026-02990-5.
SN - 0391-4097
SN - 1720-8386
ER -