Status:

ACTIVE_NOT_RECRUITING

Tumor-induced Osteomalacia Disease Monitoring Program

Lead Sponsor:

Ultragenyx Pharmaceutical Inc

Conditions:

Tumor-induced Osteomalacia (TIO)

Eligibility:

All Genders

Brief Summary

The objectives of this observational study are to assess the long-term safety and long-term effectiveness of burosumab in patients with TIO who are being treated with burosumab as prescribed by their ...

Detailed Description

Enrolled patients may or may not be treated with commercially available burosumab during the TIO DMP at the discretion of their treating physician. Given the observational nature of the TIO DMP, speci...

Eligibility Criteria

Inclusion

  • Have a clinical diagnosis of TIO based on the presence of an underlying PMT (confirmed by imaging) AND/OR historical documentation. Note: For adult patients with TIO in whom the causative PMT has never been located, and all pediatric patients, documented evidence of negative genetic testing for other hereditary hypophosphatemic disorders is necessary
  • For patient safety, all participating female patients of child-bearing potential must be willing to have pregnancy tests prior to certain assessments performed as part of the DMP
  • Be willing to provide access to prior medical records including tumor pathology reports and biopsy slides, imaging, biochemical, and diagnostic, medical, and surgical history data, if available
  • Be willing and able to provide informed consent after the nature of the study has been explained, and prior to any research-related procedures
  • Be willing and able to comply with the study visit schedule and study procedures

Exclusion

  • Have a clinical diagnosis of TIO deemed to be caused by a tumor other than a PMT
  • Serious medical or psychiatric comorbidity that, in the opinion of the Investigator, would present a concern for patient safety or compromise the ability to provide consent or comply with the study visit schedule and study procedures
  • Less than 1 year of life expectancy (for any cause) in the opinion of the Investigator
  • Concurrent enrollment in a clinical trial without prior approval from the TIO DMP Sponsor
  • Undergoing treatment with burosumab for an unapproved indication

Key Trial Info

Start Date :

January 31 2022

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

February 28 2032

Estimated Enrollment :

22 Patients enrolled

Trial Details

Trial ID

NCT04783428

Start Date

January 31 2022

End Date

February 28 2032

Last Update

September 19 2025

Active Locations (6)

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Page 1 of 2 (6 locations)

1

Yale University

New Haven, Connecticut, United States, 06520

2

Indiana University

Bloomington, Indiana, United States, 47405

3

Johns Hopkins University

Baltimore, Maryland, United States, 21218

4

Vanderbilt University Medical Center

Nashville, Tennessee, United States, 37235

Tumor-induced Osteomalacia Disease Monitoring Program | DecenTrialz