NCT03736564

Brief Summary

The researchers are trying to evaluate a newer imaging technique (Ga-DOTATATE PET/CT) to see if it is more sensitive to localize the source of the hormone, which has caused the low phosphate levels.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
18

participants targeted

Target at P25-P50 for phase_1

Timeline
Completed

Started Jan 2019

Longer than P75 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 30, 2018

Completed
10 days until next milestone

First Posted

Study publicly available on registry

November 9, 2018

Completed
3 months until next milestone

Study Start

First participant enrolled

January 31, 2019

Completed
4.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 31, 2023

Completed
1.5 years until next milestone

Results Posted

Study results publicly available

April 30, 2025

Completed
Last Updated

April 30, 2025

Status Verified

April 1, 2025

Enrollment Period

4.8 years

First QC Date

October 30, 2018

Results QC Date

March 24, 2025

Last Update Submit

April 15, 2025

Conditions

Keywords

FGF 23oncogenictumor induced

Outcome Measures

Primary Outcomes (1)

  • Number of Participants With Positive Localization of Phosphaturic Mesenchymal Tumors (PMTs)

    68Ga-DOTATATE PET maximum intensity projection images will be analyzed to evaluate for the localization of phosphaturic mesenchymal tumors (PMTs).

    One year

Study Arms (1)

68Ga-DOTATATE PET/CT

EXPERIMENTAL

Subjects will undergo imaging by 68Ga-DOTATATE PET/CT

Combination Product: 68Ga-DOTATATE PET/CT

Interventions

68Ga-DOTATATE PET/CTCOMBINATION_PRODUCT

Gallium-68 Dotatate, a radioactive imaging agent, is injected into a vein. Subjects will rest for approximately 50 minutes, after which approximately a 30 minute image of subjects body will be completed via PET/CT scan.

68Ga-DOTATATE PET/CT

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adults (18 years of age or older) seen at Mayo Clinic, Rochester for FGF23 mediated osteomalacia between 1/1/2000 and 1/30/2018 who provide informed consent to participate in the study.

You may not qualify if:

  • Pregnant
  • Prisoners
  • Subjects diagnosed with heritable hypophosphatemic rickets/osteomalacia
  • Subjects who do not consent for the study or withdraw consent during the duration of the study.
  • Subjects in whom tumor localization and successful resection has already occurred.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Mayo Clinic

Rochester, Minnesota, 55905, United States

Location

Related Links

MeSH Terms

Conditions

Osteomalacia

Condition Hierarchy (Ancestors)

RicketsBone Diseases, MetabolicBone DiseasesMusculoskeletal DiseasesMetabolic DiseasesNutritional and Metabolic DiseasesCalcium Metabolism DisordersVitamin D DeficiencyAvitaminosisDeficiency DiseasesMalnutritionNutrition Disorders

Results Point of Contact

Title
Dr. Stephen Broski
Organization
Mayo Clinic

Study Officials

  • Matthew Drake, MD

    Mayo Clinic

    PRINCIPAL INVESTIGATOR
  • Stephen M Broski, MD

    Mayo Clinic

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 30, 2018

First Posted

November 9, 2018

Study Start

January 31, 2019

Primary Completion

October 31, 2023

Study Completion

October 31, 2023

Last Updated

April 30, 2025

Results First Posted

April 30, 2025

Record last verified: 2025-04

Data Sharing

IPD Sharing
Will not share

Locations