ClinicalTrials.gg
CompletedNCT03324893Updated Dec 7, 2023

FCH PET/MRI Parathyroid Localization

An interventional study of [F-18]-FCH PET/MRI in 18F-fluorocholine, Positron-Emission Tomography and Hyperparathyroidism, Primary, sponsored by University Health Network, Toronto. Completed at 1 site in Canada. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2023-12-07.

Sponsored by University Health Network, Toronto · Not applicable, Interventional, and Diagnostic

Phase
Not applicable
Study type
Interventional
Enrollment
47
Allocation
Not applicable
Ages
18 Years and older
Sex
All
01

Study summary

A prospective trial comparing the accuracy of [F-18]-FCH PET/MRI to US and 99mTc-MIBI SPECT/CT for pre-operative parathyroid localization in patients with primary hyperparathyroidism

02

Conditions studied

  • 18F-fluorocholine
  • Positron-Emission Tomography
  • Hyperparathyroidism, Primary
03

In context

Hyperparathyroidism, Primary

104 studies on the registry are indexed under Hyperparathyroidism, Primary; 23 are open to participants now.

This study's enrollment of 47 is below the median of 68 across 60 interventional studies indexed under Hyperparathyroidism, Primary.

Browse Hyperparathyroidism, Primary studies →

Lead sponsor

University Health Network, Toronto is the lead sponsor of 1,438 studies on the registry; 297 are open to participants now.

Of its 17 completed or terminated interventional studies of FDA-regulated products, 3 (18%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Age ≥ 18 years
  • Biochemically proven primary hyperparathyroidism
  • Indication for parathyroidectomy as per institutional guidelines

Exclusion criteria

Exclusion Criteria:

  • for MRI as per current institutional guidelines.
  • Contraindication for Gadolinium injection as per current institutional guidelines.
  • Renal failure
  • Inability to lie supine for at least 45 minutes.
  • Any participant who is pregnant or breastfeeding.
  • Participants receiving erythropoietin (i.e. for hemochromatosis; might lead to false negative results due to stimulation of bone marrow metabolism)
  • Familial HPT syndromes
  • Participant currently being treated with any cytotoxic chemotherapy
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

05

Study design

Phase
Not applicable
Primary purpose
Diagnostic
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
47 participants (actual)

Study arms

  • Experimental
    [F18]-FCH PET/MRI

    Patients with primary hyperparathyroidism planned for parathyroidectomy

    Diagnostic Test: [F-18]-FCH PET/MRI

Interventions

  • Diagnostic test[F-18]-FCH PET/MRI

    Subjects will undergo the \[F-18\]-FCH PET/MRI within three months prior to scheduled parathyroidectomy.

    Also known as: FCH PET/MRI, Fluorine-18 fluorocholine PET/MRI

06

What researchers measure

Primary outcomes

  1. Accuracy of [F-18]-FCH PET/MRI in localization of diseased parathyroid gland

    Value of \[F-18\]-FCH PET/MRI next to Ultrasound of the Neck and 99mTc-MIBI SPECT/CT in determining which of the four parathyroid glands Reference standards: * Intra-operative location of the hyper functioning gland by inspection and post-operative pathological confirmation. * Determination of biochemical cure per usual standard of care: intraoperative PTH and calcium and PTH postoperatively.

    Time frame: 1 month postoperatively

07

Study locations

1 site
  • UHN
    Toronto, Ont m5g 2c4, Canada
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Apr 2018 to primary completion in Jun 2021, 38 months.

Of 20 interventional studies with no phase under Hyperparathyroidism, Primary, half reached primary completion within 35 months of starting (the median), counting those still running; a quarter within 26 and three quarters within 84. This study's 38 months is close to that.

How these figures are worked out, and which studies are left out of them.

Registered
Oct 17, 2017
First posted
Oct 30, 2017
StartActual
Apr 3, 2018
Primary completionActual
Jun 23, 2021
CompletionActual
Jun 23, 2021
Last update
Dec 7, 2023
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Dec 7, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT03324893
Responsible party
Sponsor
First posted
Oct 30, 2017
Start date
Apr 3, 2018
Primary completion
Jun 23, 2021
Completion
Jun 23, 2021
Last update
Dec 7, 2023

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Dec 2023. You cannot join it, but the record below documents what was studied.

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