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Positron Emission Tomography/Computed Tomography (PET/CT) for the Diagnosis of Recurrent Cancer: a Feasibility Study

Positron Emission Tomography/Computed Tomography (PET/CT) for the Diagnosis of Recurrent Cancer: a Feasibility Study. PET in Recurrent Cancer(PETREC)

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00686465
Acronym
PETREC
Enrollment
101
Registered
2008-05-29
Start date
2009-03-31
Completion date
2012-07-31
Last updated
2013-02-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer, Esophageal Cancer, Head and Neck Cancer, Lymphoma, Non-small Cell Lung Cancer, Ovarian Cancer

Keywords

recurrent cancer, PET/CT, FDG, planned management, actual treatment

Brief summary

Sometimes, cancer comes back after it has been successfully treated-a situation called recurrent cancer. When recurrent cancer is suspected, the standard approach to diagnosis is to perform a combination of imaging tests, such as x-rays, ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), and nuclear medicine scans. Sometimes, however, after performing these tests it still may not be clear whether or not the cancer has come back. Some studies have shown that a diagnostic imaging test called Positron Emission Tomography/Computed Tomography (PET/CT) may be helpful in the diagnosis of recurrent lung, breast, head and neck, ovarian or esophageal cancer or lymphoma. However, it is not clear if PET/CT can offer better results than standard approaches to diagnosis. This feasibility study is needed to determine how common it is for a diagnosis of recurrent cancer to be unclear even after standard diagnostic imaging tests have been completed. If the enrollment goal is reached (\ 60 patients enrolled in 18 months), a larger clinical trial is being planned to determine if PET/CT is helpful in making the diagnosis of recurrent cancer in situations where standard imaging tests have not been helpful. It is also expected that the results of this feasibility study will help to define exactly which patients should be enrolled in this larger clinical trial of PET/CT.

Interventions

OTHERPET/CT scan

Patients will undergo whole body FDG-PET/CT imaging

Sponsors

Ontario Ministry of Health and Long Term Care
CollaboratorOTHER_GOV
Ontario Clinical Oncology Group (OCOG)
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients with a previous history of non-small cell lung cancer, breast cancer, head and neck cancer (not thyroid cancer), ovarian cancer, esophageal cancer, or lymphoma (Hodgkin's or non-Hodgkin's) who have suspected recurrence on history and/or physical exam. * Conventional imaging (e.g., X-ray, ultrasound, CT, MRI, bone scan) is non-diagnostic.

Exclusion criteria

* Age less than 18 years. * Patient with established recurrence requiring staging of recurrent disease. * Patients who, at the time of the initial evaluation, have already undergone PET/CT within 6 months prior to registration. * Unable to lie supine for imaging with PET/CT. * Pregnant or lactating female. * Significant concurrent medical problems (e.g., uncontrolled diabetes, active cardiac disease, significant chronic obstructive pulmonary disease) making the patient unfit for further cancer therapy. * Unable to give informed consent.

Design outcomes

Primary

MeasureTime frame
The number of patients recruited in 18 months and the clinical characteristics of patients who are enrolled in the study21 months

Secondary

MeasureTime frame
The proportion of patients in whom the diagnosis of recurrent cancer is confirmed (as determined by either histology or clinical follow-up at the 3 month visit)21 months

Countries

Canada

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026