Global XLH registry aims to map the disease's journey from childhood to adulthood
NCT ID NCT03193476
First seen Jul 09, 2026 · Last updated Jul 10, 2026 · Updated 1 time
Summary
This study is a worldwide registry that collects health information from people of all ages with X-Linked Hypophosphatemia (XLH), a rare genetic condition that affects bone growth and strength. Researchers will track how the disease progresses, what treatments patients receive, and what outcomes they experience over time. The goal is to better understand XLH and improve care for both children and adults living with the condition.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this registry could provide a clearer picture of how XLH progresses and responds to treatments over time, helping doctors improve care.
- What could go wrong
- This is an observational study, not a treatment trial. It collects data without testing any new therapy, so it cannot directly lead to a cure or new drug.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for X-LINKED HYPOPHOSPHATEMIA are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Show contact details
Enter your email to view the contact information for this study.
By submitting, you agree to our Terms of use
Study contacts
-
Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
-
"Hopital Pierre-Paul Riquet Centre de Rhumatologie"
ACTIVE_NOT_RECRUITINGToulouse, 31059, France
-
AO S. Pio G. Rumno
ACTIVE_NOT_RECRUITINGBenevento, 82100, Italy
-
Aalborg University Hospital
ACTIVE_NOT_RECRUITINGAalborg, 9100, Denmark
-
Addenbrooke's Hospital
ACTIVE_NOT_RECRUITINGCambridge, CB2 2QQ, United Kingdom
-
Alder Hey Children's Hospital
ACTIVE_NOT_RECRUITINGLiverpool, L12 2AP, United Kingdom
-
Azienda Ospedaliera Brotzu
ACTIVE_NOT_RECRUITINGCagliari, 09121, Italy
-
Azienda Ospedaliera Città della Salute e della Scienza di Torino (Presidio Sant'Anna)
ACTIVE_NOT_RECRUITINGTorino, 10126, Italy
-
Azienda Ospedaliera Universitaria Careggi
ACTIVE_NOT_RECRUITINGFlorence, 50134, Italy
-
Azienda Ospedaliera Universitaria Policlinico G. Martino
ACTIVE_NOT_RECRUITINGMessina, 98125, Italy
-
Azienda Ospedaliera Universitaria Policlinico Sant'Orsola Malpighi
ACTIVE_NOT_RECRUITINGBologna, 40138, Italy
-
Azienda Ospedaliera di Padova
ACTIVE_NOT_RECRUITINGPadova, 35128, Italy
-
Azienda Ospedaliera di Padova
ACTIVE_NOT_RECRUITINGPadua, 35100, Italy
-
Azienda Ospedaliero Universitaria Consorziale Policlinico di Bari
ACTIVE_NOT_RECRUITINGBari, 70124, Italy
-
Azienda Ospedaliero-Universitaria Città della Salute e della Scienza di Torino
ACTIVE_NOT_RECRUITINGTorino, 10126, Italy
-
Birmingham Children's Hospital
ACTIVE_NOT_RECRUITINGBirmingham, B4 6NH, United Kingdom
-
CHRU Lille
ACTIVE_NOT_RECRUITINGLille, 59037, France
-
CHU Paris Sud - Hopital Bicêtre
ACTIVE_NOT_RECRUITINGParis, 94270, France
-
CHU de Liège
ACTIVE_NOT_RECRUITINGLiège, 4000, Belgium
-
CHU de Lyon - Hôpital Femme Mere Enfant
ACTIVE_NOT_RECRUITINGBron, 69677, France
-
CHU de Nantes
ACTIVE_NOT_RECRUITINGNantes, 44000, France
-
Centre Hopitalier Universitaire Vaudois
RECRUITINGLausanne, 1011, Switzerland
-
Centre Hopitalier Universitaire Vaudois
RECRUITINGLausanne, 1011, Switzerland
Contact Email: •••••@•••••
Contact
Contact Email: •••••@•••••
Contact
-
Centro Hospitalar de Lisboa Central, E.P.E. - Hospital Dona Estefânia
ACTIVE_NOT_RECRUITINGLisbon, 1169-045, Portugal
-
Centro Hospitalar de Lisboa Norte, E.P.E. - Hospital de Santa Maria
ACTIVE_NOT_RECRUITINGLisbon, 1649-035, Portugal
-
Centro Hospitalar do Porto, E.P.E. - Hospital de Santo António
ACTIVE_NOT_RECRUITINGPorto, 4099-001, Portugal
-
Children Hospital
ACTIVE_NOT_RECRUITINGBrno, 625 00, Czechia
-
Children's Clinical University Hospital
ACTIVE_NOT_RECRUITINGRiga, LV-1002, Latvia
-
Cliniques Universitaires Saint-Luc
ACTIVE_NOT_RECRUITINGBrussels, 1200, Belgium
-
Complejo Hospitalario Universitario Insular Materno-Infantil
ACTIVE_NOT_RECRUITINGLas Palmas de Gran Canaria, 35016, Spain
-
Dana-Dwek Children's Hospital
WITHDRAWNTel Aviv, 64239, Israel
-
Evelina Childrens Hospital
ACTIVE_NOT_RECRUITINGLondon, SE1 7EH, United Kingdom
-
Fakultni nemocnice v Motole
ACTIVE_NOT_RECRUITINGPrague, 150 06, Czechia
-
Gartnavel General Hospital
ACTIVE_NOT_RECRUITINGGlasgow, G12 0XH, United Kingdom
-
Great Ormond Street Hospital for Children
ACTIVE_NOT_RECRUITINGLondon, WC1N 3JH, United Kingdom
-
Groupe Hospitalier Pellegrin - Hôpital des Enfants
ACTIVE_NOT_RECRUITINGBordeaux, 33000, France
-
Hopital Arnaud de Villeneuve
ACTIVE_NOT_RECRUITINGMontpellier, 34295, France
-
Hopital Purpan
ACTIVE_NOT_RECRUITINGToulouse, 31059, France
-
Hopital Roger Salengro - CHU Lille
ACTIVE_NOT_RECRUITINGLille, 59037, France
-
Hopital Universitaire des Enfants Reine Fabiola
ACTIVE_NOT_RECRUITINGBrussels, 1020, Belgium
-
Hopitaux Universitaires de Geneve (HUG)
RECRUITINGGeneva, 1205, Switzerland
Contact Email: •••••@•••••
-
Hormon and Stoffwechselzentrum
ACTIVE_NOT_RECRUITINGMainz, 55122, Germany
-
Hospital Central de Asturias
ACTIVE_NOT_RECRUITINGOviedo, 33011, Spain
-
Hospital Clinic de Barcelona
ACTIVE_NOT_RECRUITINGBarcelona, 08036, Spain
-
Hospital General Universitario Santa Lucía
ACTIVE_NOT_RECRUITINGCartagena, 30202, Spain
-
Hospital Infantil Universitario Niño Jesus
ACTIVE_NOT_RECRUITINGMadrid, 28009, Spain
-
Hospital Pediatrico de Coimbra
ACTIVE_NOT_RECRUITINGCoimbra, 3030, Portugal
-
Hospital Sant Joan de Deu
ACTIVE_NOT_RECRUITINGEsplugues de Llobregat, 08950, Spain
-
Hospital South West Jutland
COMPLETEDEsbjerg, 6700, Denmark
-
Hospital Universitari Vall d'Hebron
ACTIVE_NOT_RECRUITINGBarcelona, 08035, Spain
-
Hospital Universitario Central de Asturias
ACTIVE_NOT_RECRUITINGOviedo, 33006, Spain
-
Hospital Universitario Nuestra Señora de la Candelaria
ACTIVE_NOT_RECRUITINGSanta Cruz de Tenerife, 38010, Spain
-
Hospital Universitario Virgen de la Arrixaca
ACTIVE_NOT_RECRUITINGEl Palmar, 30120, Spain
-
Hospital de Cruces
ACTIVE_NOT_RECRUITINGBarakaldo, 48903, Spain
-
Hospital de Sao Joao
ACTIVE_NOT_RECRUITINGPorto, 4200-319, Portugal
-
Hôpital Bicêtre
ACTIVE_NOT_RECRUITINGParis, 94275, France
-
Hôpital Cochin
ACTIVE_NOT_RECRUITINGParis, 75679, France
-
I.R.C.C.S. Burlo Garofolo
ACTIVE_NOT_RECRUITINGTrieste, 34137, Italy
-
ICOT-Istituto Chirurgico Ortopedico Traumatologico
ACTIVE_NOT_RECRUITINGLatina, 04100, Italy
-
Inselspital Bern
RECRUITINGBern, 3010, Switzerland
Contact Email: •••••@•••••
-
Istituto Auxologico Italiano -I.R.C.C.S.
ACTIVE_NOT_RECRUITINGPiancavallo, 20145, Italy
-
Istituto Giannina Gaslini-Ospedale Pediatrico IRCCS
ACTIVE_NOT_RECRUITINGGenova, 16147, Italy
-
Kantonsspital St. Gallen
RECRUITINGSankt Gallen, 9007, Switzerland
Contact Email: •••••@•••••
-
Karolinska Institute
ACTIVE_NOT_RECRUITINGStockholm, 112 81, Sweden
-
Karolinska Institute (Pediatric)
ACTIVE_NOT_RECRUITINGStockholm, 171 77, Sweden
-
Klinik Hirslanden Zuerich
RECRUITINGZurich, 8032, Switzerland
Contact Email: •••••@•••••
-
Klinikum Ernst-von-Bergmann Potsdam und Bad Belzig
ACTIVE_NOT_RECRUITINGBad Belzig, Germany
-
Leeds General Infirmary
ACTIVE_NOT_RECRUITINGLeeds, LS1 3EX, United Kingdom
-
Lund University
COMPLETEDLund, 22185, Sweden
-
MVZ Dr. Eberhard & Partner
WITHDRAWNDortmund, 44137, Germany
-
Medizinische Hochschule Hannover
ACTIVE_NOT_RECRUITINGHanover, 30625, Germany
-
National Hospital for Neurology and Neurosurgery
ACTIVE_NOT_RECRUITINGLondon, NW1 2PG, United Kingdom
-
National Institute of Childrenś Health NUDCH
ACTIVE_NOT_RECRUITINGBratislava, 83340, Slovakia
-
OUH
ACTIVE_NOT_RECRUITINGOdense, 5000, Denmark
-
Oslo Universitetssykehus HF, Ulleval
ACTIVE_NOT_RECRUITINGOslo, 0450, Norway
-
Oslo University Hospital
ACTIVE_NOT_RECRUITINGOslo, 0424, Norway
-
Ospedale Pediatrico Bambino Gesù
ACTIVE_NOT_RECRUITINGRoma, 00165, Italy
-
Ospedale San Raffaele
ACTIVE_NOT_RECRUITINGMilan, 20132, Italy
-
Ospedale San Raffaele - Adult
ACTIVE_NOT_RECRUITINGMilan, 20132, Italy
-
Oxford University Hospital NHS Trust
ACTIVE_NOT_RECRUITINGOxford, OX3 7LD, United Kingdom
-
Presidio Ospedaliero Di Summa Antonio Perrino
ACTIVE_NOT_RECRUITINGBrindisi, 72100, Italy
-
Queen Elizabeth University Hospital
ACTIVE_NOT_RECRUITINGGlasgow, G12 0YN, United Kingdom
-
Queen Silvia Children's Hospital
ACTIVE_NOT_RECRUITINGGothenburg, 416 85, Sweden
-
Raigmore Hospital
ACTIVE_NOT_RECRUITINGInverness, IV2 3UJ, United Kingdom
-
Rambam Health Care Center
ACTIVE_NOT_RECRUITINGHaifa, 3109601, Israel
-
Rigshospitalet
COMPLETEDKøbenhavn Ø, 2100, Denmark
-
Rigshospitalet - Paediatric
ACTIVE_NOT_RECRUITINGKøbenhavn Ø, 2100, Denmark
-
Royal Belfast Hospital for Sick Children
ACTIVE_NOT_RECRUITINGBelfast, BT12 6BE, United Kingdom
-
Royal Hospital for Sick Children and Young People
ACTIVE_NOT_RECRUITINGEdinburgh, EH9 1LF, United Kingdom
-
Royal Liverpool University Hospital
ACTIVE_NOT_RECRUITINGLiverpool, L7 8XP, United Kingdom
-
Royal Manchester Children's Hospital
ACTIVE_NOT_RECRUITINGManchester, M13 9WL, United Kingdom
-
SHATPD "Prof Ivan Mitev" EAD
ACTIVE_NOT_RECRUITINGSofia, 1606, Bulgaria
-
Schneider Medical Center
ACTIVE_NOT_RECRUITINGPetah Tikva, 4920235, Israel
-
Semmelweis Egyetem
ACTIVE_NOT_RECRUITINGBudapest, 1083, Hungary
-
Semmelweis Egyetem
ACTIVE_NOT_RECRUITINGBudapest, 1085, Hungary
-
Sheba Medical Center
ACTIVE_NOT_RECRUITINGRamat Gan, 5265601, Israel
-
Sheffield Childrens Hospital
ACTIVE_NOT_RECRUITINGSheffield, S10 2RX, United Kingdom
-
Sheffield Teaching Hospitals
ACTIVE_NOT_RECRUITINGSheffield, S5 7AU, United Kingdom
-
Southampton General Hospital
ACTIVE_NOT_RECRUITINGSouthampton, SO16 6YD, United Kingdom
-
St. Olav's University Hospital
ACTIVE_NOT_RECRUITINGTrondheim, 7030, Norway
-
Stabilimento Ospedaliero Santa Chiara
ACTIVE_NOT_RECRUITINGPisa, 56100, Italy
-
Stanmore Royal Orthopaedic Hospital
ACTIVE_NOT_RECRUITINGStanmore, HA7 4LP, United Kingdom
-
The Children's University Hospital
ACTIVE_NOT_RECRUITINGDublin, DO1 XD99, Ireland
-
UMHAT "SofiaMed", OOD
ACTIVE_NOT_RECRUITINGSofia, 1797, Bulgaria
-
UZ Leuven
ACTIVE_NOT_RECRUITINGLeuven, 3000, Belgium
-
UZA
ACTIVE_NOT_RECRUITINGEdegem, 2650, Belgium
-
Uniklinikum Bochum
WITHDRAWNBochum, 44791, Germany
-
Uniklinikum Koeln
WITHDRAWNCologne, 50937, Germany
-
Universitaetsklinikum
ACTIVE_NOT_RECRUITINGLeipzig, 04103, Germany
-
Universitaetsklinikum Freiburg
WITHDRAWNFreiburg im Breisgau, 79106, Germany
-
Universitair Medisch Centrum Groningen
ACTIVE_NOT_RECRUITINGGroningen, 9713 GZ, Netherlands
-
Universitair Ziekenhuis Brussel
ACTIVE_NOT_RECRUITINGBrussels, 1090, Belgium
-
Universitair Ziekenhuis Gent
ACTIVE_NOT_RECRUITINGGhent, 9000, Belgium
-
University Clinical Centre Ljubljana
ACTIVE_NOT_RECRUITINGLjubljana, Slovenia
-
University Hospital of Wales
ACTIVE_NOT_RECRUITINGCardiff, CF14 4XW, United Kingdom
-
University Hospitals Bristol and Weston
ACTIVE_NOT_RECRUITINGBristol, BS2 8AE, United Kingdom
-
Western General Hospital
ACTIVE_NOT_RECRUITINGEdinburgh, EH4 2XU, United Kingdom
-
Århus Universitetshospital
ACTIVE_NOT_RECRUITINGAarhus, 8200, Denmark
-
Århus Universitetshospital - Aarhus sygehus
ACTIVE_NOT_RECRUITINGAarhus, 8200, Denmark
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a simple scan reveal why muscles tire in phosphate diabetes?
- What It's really like: teens with XLH share their journey as bones stop growing
- New hope for rare bone disease: first human trial of KK8123 begins
- XLH study: watching the disease, not curing it
- XLH patients observed for a decade to uncover disease secrets
- Can a vitamin d pill improve bone health in rare genetic disease?