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Imaging of Patients With Known or Suspected Somatostatin Receptor Positive Neuroendocrine Tumors Using Cu64-DOTATATE

An Open-label, Single-dose, Single Arm, Single-center Clinical Trial of 64Cu(Copper)-DOTATATE (NETMedix™) PET-CT Scan for Imaging Patients With Known or Suspected Somatostatin Receptor-positive Neuroendocrine Tumors (NETs)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03673943
Enrollment
63
Registered
2018-09-17
Start date
2018-08-23
Completion date
2019-08-07
Last updated
2022-12-22

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

Conditions

Neuroendocrine Tumors

Brief summary

This is an open-label, single-dose, single-arm, single-center imaging study using DOTATATE peptide, labelled with the 64Cu tracer.

Detailed description

In total, 59 subjects will be recruited in the study. The study will recruit both healthy volunteers as well as patients with confirmed or suspicious NET disease by histology or conventional anatomical and functional imaging modalities including but not limited to magnetic resonance imaging (MRI), and/or computed tomography (CT), and/or, F-18 FDG fluorodeoxyglucose PET (positron emission tomography)/CT and /or F-18 NaF sodium fluoride bone PET/CT and/or bone scintigraphy, and/or Octreoscan.

Interventions

Detection of somatostatin positive lesions in NET

Sponsors

Radiomedix, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

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

Inclusion criteria

* Confirmed or suspicion of NET based on histology/ biopsy report. * Confirmed or suspicion of NET based on conventional imaging scans of affected area such as MRI and/or contrast enhanced CT and/or an FDG PET * CT scan and/or NaF PET-CT scan and/or OctreoScan® performed within 8 weeks prior to study date.

Exclusion criteria

* Pregnant, planning to be pregnant within the next two weeks * Inability to provide written consent. * Therapeutic use of any somatostatin analogue, including Sandostatin® long-acting and Lanreotide (within 28 days) and Sandostatin® (within 2 days) prior to study imaging. If a subject is on Sandostatin® long-acting or Lanreotide, a wash-out period of 28 days is required before the injection of the study drug.

Design outcomes

Primary

MeasureTime frameDescription
Sensitivity of 64Cu-DOTATATE PET-CT Imaging for Detection of Somatostatin Receptor Positive SSTR (+) Tumor12 monthsThe number of patients with NETs disease that was confirmed by SSTR(+) imaging using 64Cu-DOTATATE PET/CT and In111-Octreoscan (considered as the standard of truth imaging) A total of 63 subjects have been enrolled in the studies; among them 42 patients with known or suspected NET based on histology, or conventional imaging, or clinical evaluations and 21 healthy volunteers.
Specificity of 64Cu- DOTATATE PET/CT Imaging for Detection of Neuroendocrine Tumor12 monthsThe number of subjects who have no SSTR (+) NETs as determined by 64Cu-DOTATATE PET/CT as well using the standard of truth imaging (In111-Octrescan SPECT/CT).

Secondary

MeasureTime frameDescription
Detection of Localized or Metastatic SSTR Positive NETs Lesions Using Both 64Cu-DOTATATE PET/CT and Standard of Truth Imaging12 monthsThe number of patients with localized NETs or metastatic SSTR(+) neuroendocrine tumors that were detected by both 64Cu-DOTATATE and SOT

Countries

United States

Participant flow

Recruitment details

Number of Subjects (planned and analyzed): 63 Analyzed: In total, 63 subjects (59 from the Phase 3 study and 4 from the Phase 1 study) were injected with study drug at an intended dose of 4.0 mCi and met the criteria to be analyzed for safety and efficacy.

Participants by arm

ArmCount
PET/CT Imaging With 64Cu-DOTATATE
64Cu-DOTATATE is an investigational radioactive drug that binds to somatostatin receptors on NETs cancer cells. 64Cu-DOTATATE: Detection of somatostin positive lesions in NET
63
Total63

Baseline characteristics

CharacteristicPET/CT Imaging With 64Cu-DOTATATE
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
9 Participants
Age, Categorical
Between 18 and 65 years
54 Participants
Age, Continuous54.37 years
STANDARD_DEVIATION 15.65
Ethnicity (NIH/OMB)
Hispanic or Latino
11 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
52 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
2 Participants
Race (NIH/OMB)
Black or African American
6 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
White
54 Participants
Sex: Female, Male
Female
35 Participants
Sex: Female, Male
Male
28 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 63
other
Total, other adverse events
5 / 63
serious
Total, serious adverse events
0 / 63

Outcome results

Primary

Sensitivity of 64Cu-DOTATATE PET-CT Imaging for Detection of Somatostatin Receptor Positive SSTR (+) Tumor

The number of patients with NETs disease that was confirmed by SSTR(+) imaging using 64Cu-DOTATATE PET/CT and In111-Octreoscan (considered as the standard of truth imaging) A total of 63 subjects have been enrolled in the studies; among them 42 patients with known or suspected NET based on histology, or conventional imaging, or clinical evaluations and 21 healthy volunteers.

Time frame: 12 months

Population: The number of patients with SSTR(+) NETs identified using 64Cu-DOTATATE PET-CT imaging as well as by the standard of truth methods.~A total of 63 subjects have been enrolled in the studies, including 42 patients with known or suspected NET based on histology, conventional imaging, or clinical evaluations and 21 healthy volunteers.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PET/CT Imaging With 64Cu-DOTATATESensitivity of 64Cu-DOTATATE PET-CT Imaging for Detection of Somatostatin Receptor Positive SSTR (+) Tumortrue positive30 Participants
PET/CT Imaging With 64Cu-DOTATATESensitivity of 64Cu-DOTATATE PET-CT Imaging for Detection of Somatostatin Receptor Positive SSTR (+) Tumorfalse negative3 Participants
Primary

Specificity of 64Cu- DOTATATE PET/CT Imaging for Detection of Neuroendocrine Tumor

The number of subjects who have no SSTR (+) NETs as determined by 64Cu-DOTATATE PET/CT as well using the standard of truth imaging (In111-Octrescan SPECT/CT).

Time frame: 12 months

Population: The specificity of 64Cu-DOTATATE imaging has defined the ability of a radiotracer to correctly identify subjects who do not have a disease. It is defined by number of subjects who had no SSTR(+) NETs based on 64Cu-DOTATATE PET/CT imaging as well as SOT imaging using In111-Octreoscan.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
PET/CT Imaging With 64Cu-DOTATATESpecificity of 64Cu- DOTATATE PET/CT Imaging for Detection of Neuroendocrine Tumortrue negative28 Participants
PET/CT Imaging With 64Cu-DOTATATESpecificity of 64Cu- DOTATATE PET/CT Imaging for Detection of Neuroendocrine Tumorfalse positive1 Participants
Secondary

Detection of Localized or Metastatic SSTR Positive NETs Lesions Using Both 64Cu-DOTATATE PET/CT and Standard of Truth Imaging

The number of patients with localized NETs or metastatic SSTR(+) neuroendocrine tumors that were detected by both 64Cu-DOTATATE and SOT

Time frame: 12 months

Population: A number of subjects with localized SSTR(+) NETs or metastatic NETs detected by both Cu64-DOTATATE and SOT

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
PET/CT Imaging With 64Cu-DOTATATEDetection of Localized or Metastatic SSTR Positive NETs Lesions Using Both 64Cu-DOTATATE PET/CT and Standard of Truth Imaginglocalized NETs true positive2 Participants
PET/CT Imaging With 64Cu-DOTATATEDetection of Localized or Metastatic SSTR Positive NETs Lesions Using Both 64Cu-DOTATATE PET/CT and Standard of Truth Imaginglocalized NEts false negative0 Participants
PET/CT Imaging With 64Cu-DOTATATEDetection of Localized or Metastatic SSTR Positive NETs Lesions Using Both 64Cu-DOTATATE PET/CT and Standard of Truth Imagingmetastatic NETs false positive0 Participants
PET/CT Imaging With 64Cu-DOTATATEDetection of Localized or Metastatic SSTR Positive NETs Lesions Using Both 64Cu-DOTATATE PET/CT and Standard of Truth Imagingmetastatic NETs true negative28 Participants

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