68Ga-DOTATATE PET for Management of Neuroendocrine Tumors

  • STATUS
    Recruiting
  • End date
    Oct 1, 2024
  • participants needed
    2000
  • sponsor
    University Health Network, Toronto
Updated on 5 December 2021
positron emission tomography
conventional imaging
dotatate
pet/ct scan

Summary

This is a research study to collect information regarding usefulness of positron emission tomography (PET) scans using a special dye called 68Ga-DOTATATE for patients with neuroendocrine tumours by determining the number of of patients whose clinical management was changed as a result of the scans.

Description

When patients are suspected of having neuroendocrine tumours, they will usually undergo various imaging scans such as computed tomography (CT) scan and magnetic resonance imaging (MRI), and octreotide scintigraphy (octreoscan) to try to identify the primary tumour. During the patients' course of disease, they will continue to have various CT, MRI, and/or octreoscans. Sometimes, despite using scans, laboratory tests, and examination, it is still difficult to properly diagnose neuroendocrine tumours.

Doctors have found that most neuroendocrine tumours make too much of a hormone called somatostatin on their cell surface. Because of this doctors have been using positron emission tomography (PET) scans using a special contrast dye called 68Ga-DOTATATE in hopes of better diagnosing and managing neuroendocrine tumours. 68Ga-DOTATATE can label the cells that have somatostatin (such as neuroendocrine tumour cells) so that the PET scan can take better pictures and doctors can better diagnose and manage the disease.

However, despite 68Ga-DOTATATE PET scans showing promise, it is still not widely accessible. Because of this, researchers are creating a registry for patients who may need 68Ga-DOTATATE PET scans to:

  • Identify their primary tumour where the doctor suspects is a neuroendocrine tumour
  • Staging of the neuroendocrine tumour
  • Restage the tumour prior to surgery/radiotherapy or help to assess the tumour where standard scans such as CTs, MRIs, or octreoscans are not properly showing your tumours despite other clinical or laboratory tests showing that your disease has progressed
  • For other issues when confirmation of site of disease and/or disease extent may impact clinical management of the neuroendocrine tumour.

This registry help the participant's treating physician to obtain approval for the participant to undergo 68Ga-DOTATATE PET scans for their neuroendocrine tumour.

Details
Condition neuroendocrine tumors, neuroendocrine tumour, Neuroendocrine Tumor, Neuroectodermal Tumor, Neurectoderma
Treatment 68Ga -DOTATATE PET scans
Clinical Study IdentifierNCT03873870
SponsorUniversity Health Network, Toronto
Last Modified on5 December 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Able to undergo PET/CT without sedation
Any of the following indications
For the initial diagnosis of patients with clinical (e.g., signs, symptoms) and/or biochemical (e.g., tumor markers) suspicion of neuroendocrine tumours (NETs) but for whom conventional imaging is negative or equivocal or for whom biopsy is not easily obtained
For the staging of patients with localized primary NETs and/or limited metastasis where definitive surgery is planned
Restaging of patients with NET where surgery or peptide-receptor radiotherapy (PRRT) is being considered; OR, where conventional imaging is negative or equivocal at time of clinical and/or biochemical progression
As a problem-solving tool in patient with NET when confirmation of site of disease and/or disease extent may impact clinical management
Approved by a review panel

Exclusion Criteria

Inability to provide informed consent
Contraindication for PET examination as per institutional safety guidelines, including but not limited to pregnancy, or inability to lie still for PET examination
Need for full sedation to undergo PET/CT scan
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