- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03136328
Diagnosis and Staging of Neuroendocrine Tumors (NETs) Utilizing 68Ga-DOTATOC PET/CT Scan
Study Overview
Detailed Description
This is a prospective, Phase 2, single center study of participants with Neuroendocrine Tumors (NETs). Study participants will receive 68Ga-DOTATOC. DOTATOC is a somatostatin analogue that localizes on the somatostatin receptors expressed by NETs and is attached to a radioactive material called Gallium 68. Participants will undergo a PET/CT imaging study to investigate 68Ga-DOTATOC's suitability as a positron emission tomography (PET) imaging agent for NETs. The radiation (imaging) dose will be 111-185 megabecquerel (MBq) (3 - 5 mCi) ± 25%. All doses after labeling will be presented in buffered solution for intravenous injection. Imaging will start 90 ±30 minutes after injection.
Sensitivity and specificity of this imaging technique will be compared with those of conventional imaging modality including CT, MRI and In-111 Octreoscan performed within 6-12 months before or after PET/CT.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Signed informed consent.
- Patients of either gender, aged ≥18 years.
- Karnofsky status ≥60.
- Life expectancy of at least 12 weeks.
- Histologically and/or clinically confirmed and/or suspicious of NET.
- A diagnostic CT or MRI of the tumour region or suspected area within the previous 12 weeks prior to dosing day is available.
- Somatostatin-analogue scintigraphy scan with result (positive or negative) within the last 12 weeks.
Recent Blood test results up to 4-6 weeks as follows:
- White Blood Cell (WBC): >2*109/L
- Haemoglobin: >8.0g/Dl
- Platelets: >50x109/L
- Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), and Alkaline phosphatase (AP) each less than, or equal to, 5 times its Upper Limit of Normal (ULN)
- Bilirubin less than, or equal to, three times its ULN
- Serum creatinine: within normal range or <120μmol/L for patients aged 60 years or older.
- Negative pregnancy test in women capable of child-bearing.
Exclusion Criteria:
- Known hypersensitivity to Gallium 68, DOTATOC or to any of the excipients of 68Ga-DOTATOC.
- Therapeutic use of any somatostatin analogue, including Sandostatin® LAR (Long Acting Release) (within 28 days) and Sandostatin® (within 2 days) prior to study imaging. If a patient is on Sandostatin® LAR a wash-out phase of 28 days is required before the injection of the study drug.
- Pregnant or breast-feeding women.
- Current somatic or psychiatric disease/condition that may interfere with the objectives and assessments of the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 68Ga-DOTATOC PET/CT
Study participants will receive 68Ga-DOTATOC and undergo a PET/CT imaging study.
|
The intervention is to administer 68Ga-DOTATOC PET/CT for detecting NET.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sensitivity to Correctly Diagnose NET
Time Frame: During imaging process ( approximately 120 minutes)
|
Sensitivity to detect NET will be assessed and compared with conventional imaging modality.
Sensitivity is the ability of an agent to indicate the presence and location of NET.
The ability of 68Ga-DOTATOC to localize more effectively to somatostatin receptors and the exquisite spatial resolution of PET/CT should make easier detection of primary and metastatic neuroendocrine tumors and allow better measurement of tumor burden.
Sensitivity is the percentage of accurately diagnosed NET cases.
All participants underwent conventional imaging with either Computerized Tomography (CT) or Magnetic Resonance Imaging (MRI) as standard care prior to 68Ga-DOTATOC imaging.
|
During imaging process ( approximately 120 minutes)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Specificity to Detect True Negative
Time Frame: During imaging process ( approximately 120 minutes)
|
A tumor is an abnormal growth of cells which can be malignant or not.
NET tumors secrete hormones that will disrupt the normal ecology of the body.
68Ga-DOTATOC is extremely sensitive and specific to the receptors expressed by NET.
These attributes are unique to 68Ga-DOTATOC and makes it the only imagining technique that can determine whether or not lesions detected by conventional imaging is due to NET involvement.
68Ga-DOTATOC is able to exclude disease involvement in lesions detected on CT/MRI; this ability to exclude disease involvement is called Specificity.
The reported values indicate the specificity of 68Ga-DOTATOC, which is the percentage of tumors detected by conventional imagining that 68Ga-DOTATOC correctly determined were not due to NET involvement (i.e.
identifying true negative for NET).
|
During imaging process ( approximately 120 minutes)
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Charito Love, MD, Montefiore Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 15-06-274
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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