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Active Not RecruitingNCT03745521

Study of Longitudinal Observation for Patient With X-linked Hypophosphatemic Rickets/Osteomalacia in Collaboration With Asian Partners

Through observation of patients with X-linked hypophosphatemic rickets/osteomalacia (XLH) for up to 10 years, the study intends to collect data that allow achievement of the following objectives: 1. ...

Lead sponsor: Kyowa Kirin Co., Ltd.•1 locations•View source on ClinicalTrials.gov

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Sponsors

Lead Sponsor

Kyowa Kirin Co., Ltd.

Age

All ages

Sex

ALL

Healthy Volunteers

No

Inclusion Criteria

•Patients must meet at least one of the following:
•1. Documented PHEX gene mutation
•2. Documented PHEX gene mutation in at least one family member with X-linked genetic relationship
•3. Documented FGF23 \>30 pg/mL
•Typical clinical findings of rickets/osteomalacia
•Written informed consent obtained from patients aged \>=18 years or from parents or legally acceptable representatives of patients aged \<18 years

Exclusion Criteria

•Participation in any clinical study (trial) at the time of informed consent
•Any patient whose participation in the study is considered inappropriate by the investigator or the subinvestigator

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Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: September 5, 2025Terms

Trial snapshot

StatusACTIVE_NOT_RECRUITING

Phase—

Enrollment226

Start dateMay 2018

Last updatedSep 5, 2025

Condition

X-Linked Hypophosphatemia

Locations shown

Osaka University Hospital

Osaka

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: September 5, 2025Data synced to Clareo: May 10, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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