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Study to Establish the Diagnostic Performance of 18F Fluciclovine PET in Detecting Recurrent Brain Metastases

An Open-label, Single-arm, Single-dose, Prospective, Multicenter Phase 3 Study to Establish the Diagnostic Performance of 18F-Fluciclovine Positron Emission Tomography (PET) in Detecting Recurrent Brain Metastases After Radiation Therapy

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04410133
Acronym
REVELATE
Enrollment
151
Registered
2020-06-01
Start date
2020-10-26
Completion date
2023-06-05
Last updated
2025-08-28

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

Conditions

Brain Metastases

Keywords

Recurrent Brain Metastases, Diagnostic, Positron Emission Tomography (PET) Scan

Brief summary

An open-label, single dose, single arm, prospective, multicenter Phase 3 study to establish the diagnostic performance of 18F fluciclovine positron emission tomography (PET) in detecting recurrent brain metastases after radiation therapy

Interventions

18F fluciclovine injection, 185 MBq (5 mCi) ± 20%, delivered as an intravenous bolus

Sponsors

Precision For Medicine
CollaboratorINDUSTRY
Blue Earth Diagnostics
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Intervention model description

Positron Emission Tomography (PET) Imaging study

Eligibility

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

Inclusion criteria

1. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1, or 2 if this is an acute deterioration 2. Previous history of solid tumor brain metastasis of any origin 3. Histopathological confirmation of the primary solid tumor or a metastatic site within 4 years 4. Previous radiation therapy of brain metastatic lesion(s) 5. A reference lesion considered by the site investigator to be equivocal for recurrent brain metastasis 6. Patient requires further confirmatory diagnostic procedures to confirm brain MRI findings and is planned for biopsy/neurosurgical intervention as standard of care (SoC) or clinical follow-up as SoC

Exclusion criteria

1\. Patients with a history of active hematological malignancy

Design outcomes

Primary

MeasureTime frameDescription
Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA) Subject LevelMRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.Subject-level PPA and NPA (equivalent to sensitivity and specificity, respectively) of 18F-fluciclovinePET in detecting recurrent brain metastases.

Secondary

MeasureTime frameDescription
Subject Level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.Subject-level PPV and NPV of 18F-fluciclovine PET for detecting recurrent brain metastases
Lesion-level Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA)MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.To assess lesion-level PPA & NPA diagnostic performance of 18F-fluciclovine PET in detecting recurrent brain metastases.
Lesion-level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.To assess lesion-level PPV & NPV diagnostic performance of 18F-fluciclovine PET in detecting recurrent brain metastases.
Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.Sub-group analyses of subject-level PPA & NPA of fluciclovine (18F) PET, according to primary tumor type.
Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.Sub-group analyses of subject-level PPV & NPV of fluciclovine (18F) PET, according to primary tumor type.
Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyMRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.Sub-group analyses of subject-level PPA & NPA of fluciclovine (18F) PET, according to concurrent immunotherapy.
Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyMRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.Sub-group analyses of subject-level PPV & NPV of fluciclovine (18F) PET, according to Concurrent Immunotherapy.
Clinical UsefulnessFollow up through 6 months after PET scan.Number of days taken by the site to establish presence/absence of metastasis by clinical follow-up.
Inter-reader ReproducibilityPET Scan Day 1Pairwise comparisons of the central reads for the 3 readers (i.e. Reader 1 vs Reader 2, Reader 1 vs Reader 3, and Reader 2 vs Reader 3) at the subject-level. The percentage of results in agreement (i.e. Positive \[1st reader\] / Positive \[2nd reader\], Negative/Negative) is presented.
Intra-reader ReproducibilityPET Scan Day 1Pairwise comparisons of the initial read vs re-read of a subset of PET scans for each reader at the subject-level. The percentage of results in agreement (i.e. Positive \[initial read\] / Positive \[re-read\], Negative/Negative) is presented.
Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Blood PressureThe vital signs collected between 5 to 60 minutes before and after the PET scan.Treatment-emergent adverse events (TEAEs) following 18F-fluciclovine injection in the subject population.
Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Heart RateThe vital signs collected between 5 to 60 minutes before and after the PET scan.Treatment-emergent adverse events (TEAEs) following 18F-fluciclovine injection in the subject population.
Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Respiratory RateThe vital signs collected between 5 to 60 minutes before and after the PET scan.Treatment-emergent adverse events (TEAEs) following 18F-fluciclovine injection in the subject population.
Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Body TemperatureThe vital signs collected between 5 to 60 minutes before and after the PET scan.Treatment-emergent adverse events (TEAEs) following 18F-fluciclovine injection in the subject population.

Countries

United States

Participant flow

Participants by arm

ArmCount
Subjects Receiving Single IV Administration of 18F Fluciclovine for PET Scan
Subjects with a history of brain metastases previously treated with primary, adjuvant or repeat (salvage) radiation therapy, with a recent (within no more than 42 days before the study PET scan) SoC brain MRI found to be equivocal for recurrent brain metastasis, and who met all the inclusion criteria and none of the exclusion criteria, were consented and enrolled into the study. Specifically, subjects had to be planned for further confirmatory diagnostic procedures to confirm the brain MRI findings: either biopsy/neurosurgical intervention, or clinical follow-up, as SoC.
151
Total151

Baseline characteristics

CharacteristicSubjects Receiving Single IV Administration of 18F Fluciclovine for PET Scan
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
70 Participants
Age, Categorical
Between 18 and 65 years
81 Participants
Age, Continuous61.8 years
STANDARD_DEVIATION 11.22
Body mass index (kg/m2)27.66 Kg/m2
STANDARD_DEVIATION 6.314
ECOG
0
40 Participants
ECOG
1
96 Participants
ECOG
2
15 Participants
ECOG
3
0 Participants
ECOG
4
0 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
18 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
131 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
2 Participants
Height (cm)168.25 cm
STANDARD_DEVIATION 10.002
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
Race (NIH/OMB)
Asian
5 Participants
Race (NIH/OMB)
Black or African American
7 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
4 Participants
Race (NIH/OMB)
White
134 Participants
Sex: Female, Male
Female
93 Participants
Sex: Female, Male
Male
58 Participants
Weight (kg)78.72 kg
STANDARD_DEVIATION 19.665

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 151
other
Total, other adverse events
15 / 151
serious
Total, serious adverse events
2 / 151

Outcome results

Primary

Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA) Subject Level

Subject-level PPA and NPA (equivalent to sensitivity and specificity, respectively) of 18F-fluciclovinePET in detecting recurrent brain metastases.

Time frame: MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.

ArmMeasureValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA) Subject Level23.8 percentage
Reader 2 - Positive Percent Agreement (PPA)Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA) Subject Level34.1 percentage
Reader 3 - Positive Percent Agreement (PPA)Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA) Subject Level36.6 percentage
Reader 1 - Negative Percent Agreement (NPA)Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA) Subject Level82.6 percentage
Reader 2 - Negative Percent Agreement (NPA)Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA) Subject Level70.9 percentage
Reader 3 - Negative Percent Agreement (NPA)Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA) Subject Level70.9 percentage
Secondary

Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Blood Pressure

Treatment-emergent adverse events (TEAEs) following 18F-fluciclovine injection in the subject population.

Time frame: The vital signs collected between 5 to 60 minutes before and after the PET scan.

Population: Collected and Reported

ArmMeasureGroupValue (MEAN)Dispersion
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Blood PressureSystolic Blood Pressure: Pre-IMP Injection128.7 mmHgStandard Deviation 17.25
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Blood PressureSystolic Blood Pressure: Post PET Scan132.4 mmHgStandard Deviation 15.25
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Blood PressureSystolic Blood Pressure: Change from Pre to Post3.5 mmHgStandard Deviation 12.81
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Blood PressureDiastolic Blood Pressure: Pre-IMP Injection75.4 mmHgStandard Deviation 10.69
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Blood PressureDiastolic Blood Pressure: Post PET Scan77.0 mmHgStandard Deviation 10.86
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Blood PressureDiastolic Blood Pressure: Change from Pre to Post1.5 mmHgStandard Deviation 7.45
Secondary

Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Body Temperature

Treatment-emergent adverse events (TEAEs) following 18F-fluciclovine injection in the subject population.

Time frame: The vital signs collected between 5 to 60 minutes before and after the PET scan.

Population: Collected and Reported

ArmMeasureGroupValue (MEAN)Dispersion
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Body TemperatureBody Temperature: Pre-IMP Injection36.53 degrees CelsiusStandard Deviation 0.419
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Body TemperatureBody Temperature: Post PET Scan36.53 degrees CelsiusStandard Deviation 0.455
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Body TemperatureBody Temperature: Change from Pre to Post-0.00 degrees CelsiusStandard Deviation 0.29
Secondary

Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Heart Rate

Treatment-emergent adverse events (TEAEs) following 18F-fluciclovine injection in the subject population.

Time frame: The vital signs collected between 5 to 60 minutes before and after the PET scan.

Population: Collected and Reported

ArmMeasureGroupValue (MEAN)Dispersion
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Heart RateHeart Rate: Pre-IMP Injection76.2 beat/minStandard Deviation 13.53
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Heart RateHeart Rate: Post PET Scan74.5 beat/minStandard Deviation 12.93
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Heart RateHeart Rate: Change from Pre to Post-1.7 beat/minStandard Deviation 8.43
Secondary

Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Respiratory Rate

Treatment-emergent adverse events (TEAEs) following 18F-fluciclovine injection in the subject population.

Time frame: The vital signs collected between 5 to 60 minutes before and after the PET scan.

Population: Collected and Reported

ArmMeasureGroupValue (MEAN)Dispersion
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Respiratory RateRespiratory Rate: Pre-IMP Injection16.7 breaths/minStandard Deviation 2.76
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Respiratory RateRespiratory Rate: Post PET Scan16.5 breaths/minStandard Deviation 2.72
Reader 1 - Positive Percent Agreement (PPA)Assess the Safety of Fluciclovine (18F) Injection in the Subject Population, Respiratory RateRespiratory Rate: Change from Pre to Post-0.2 breaths/minStandard Deviation 1.85
Secondary

Clinical Usefulness

Proportion of subjects with additional metastases identified on fluciclovine (18F) PET in addition to SoC brain MRI

Time frame: Follow up through 6 months after PET scan.

Population: Subjects with Additional Metastases Identified on Fluciclovine (18F) PET vs SoC MRI

ArmMeasureValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Clinical Usefulness1.3 percentage
Secondary

Clinical Usefulness

Number of days taken by the site to establish presence/absence of metastasis by clinical follow-up.

Time frame: Follow up through 6 months after PET scan.

ArmMeasureValue (MEDIAN)
Reader 1 - Positive Percent Agreement (PPA)Clinical Usefulness112 Days
Secondary

Clinical Usefulness

Proportion of subjects whose prospective diagnostic management plan changed following fluciclovine (18F) PET.

Time frame: Follow up through 6 months after PET scan.

Population: Subjects with Changes to Diagnostic Plan on Reference Lesion Following Fluciclovine (18F) PET

ArmMeasureValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Clinical Usefulness26.5 percentage
Secondary

Inter-reader Reproducibility

Pairwise comparisons of the central reads for the 3 readers (i.e. Reader 1 vs Reader 2, Reader 1 vs Reader 3, and Reader 2 vs Reader 3) at the subject-level. The percentage of results in agreement (i.e. Positive \[1st reader\] / Positive \[2nd reader\], Negative/Negative) is presented.

Time frame: PET Scan Day 1

ArmMeasureGroupValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Inter-reader ReproducibilityReader 1 vs Reader 286.1 percentage
Reader 1 - Positive Percent Agreement (PPA)Inter-reader ReproducibilityReader 1 vs Reader 384.1 percentage
Reader 1 - Positive Percent Agreement (PPA)Inter-reader ReproducibilityReader 2 vs Reader 391.4 percentage
Secondary

Intra-reader Reproducibility

Pairwise comparisons of the initial read vs re-read of a subset of PET scans for each reader at the subject-level. The percentage of results in agreement (i.e. Positive \[initial read\] / Positive \[re-read\], Negative/Negative) is presented.

Time frame: PET Scan Day 1

ArmMeasureGroupValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Intra-reader ReproducibilityReader 1 initial read vs re-read93.5 percentage
Reader 1 - Positive Percent Agreement (PPA)Intra-reader ReproducibilityReader 2 initial read vs re-read93.5 percentage
Reader 1 - Positive Percent Agreement (PPA)Intra-reader ReproducibilityReader 3 initial read vs re-read100.0 percentage
Secondary

Lesion-level Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA)

To assess lesion-level PPA & NPA diagnostic performance of 18F-fluciclovine PET in detecting recurrent brain metastases.

Time frame: MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.

Population: Each participant may have more than one lesion (one reference lesion, and/or other equivocal lesions and/or additional PET lesions if applicable). At the participant level, if the reference lesion is indeterminate, then the worst case is used to impute the indeterminate finding into positive or negative. However, at the lesion level, lesions with indeterminate findings are excluded i.e. only lesions with positive or negative finding are included in the analysis.

ArmMeasureValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Lesion-level Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA)18.4 percentage
Reader 2 - Positive Percent Agreement (PPA)Lesion-level Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA)28.6 percentage
Reader 3 - Positive Percent Agreement (PPA)Lesion-level Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA)30.6 percentage
Reader 1 - Negative Percent Agreement (NPA)Lesion-level Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA)84.1 percentage
Reader 2 - Negative Percent Agreement (NPA)Lesion-level Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA)74.6 percentage
Reader 3 - Negative Percent Agreement (NPA)Lesion-level Positive Percent Agreement (PPA) and Negative Percent Agreement (NPA)73.2 percentage
Secondary

Lesion-level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)

To assess lesion-level PPV & NPV diagnostic performance of 18F-fluciclovine PET in detecting recurrent brain metastases.

Time frame: MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.

ArmMeasureValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Lesion-level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)29.0 percentage
Reader 2 - Positive Percent Agreement (PPA)Lesion-level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)28.6 percentage
Reader 3 - Positive Percent Agreement (PPA)Lesion-level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)28.8 percentage
Reader 1 - Negative Percent Agreement (NPA)Lesion-level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)74.4 percentage
Reader 2 - Negative Percent Agreement (NPA)Lesion-level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)74.6 percentage
Reader 3 - Negative Percent Agreement (NPA)Lesion-level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)74.8 percentage
Secondary

Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent Immunotherapy

Sub-group analyses of subject-level PPA & NPA of fluciclovine (18F) PET, according to concurrent immunotherapy.

Time frame: MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.

Population: All subjects with a positive or negative Standard of Reference (SoR), with outcome measures categorized by concurrent Immunotherapy.

ArmMeasureGroupValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy0.0 percentage
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy27.8 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy16.7 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy37.1 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy16.7 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy40.0 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy100.0 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy75.9 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy86.7 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy65.0 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy90.0 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (NPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy63.8 percentage
Secondary

Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor Type

Sub-group analyses of subject-level PPA & NPA of fluciclovine (18F) PET, according to primary tumor type.

Time frame: MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.

Population: All subjects with a positive or negative Standard of Reference (SoR), with outcome measures categorized by tumor type.

ArmMeasureGroupValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma16.7 percentage
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma50.0 percentage
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer29.2 percentage
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast10.0 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast30.0 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma16.7 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma50.0 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer39.1 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma0.0 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast40.0 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer43.5 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma16.7 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma83.3 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer85.4 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast78.3 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma80.0 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma80.0 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer69.4 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma72.2 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast65.2 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer67.3 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast73.9 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma66.7 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Percent Agreement (PPA) & Negative Percent Agreement (NPA) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma80.0 percentage
Secondary

Subject Level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)

Subject-level PPV and NPV of 18F-fluciclovine PET for detecting recurrent brain metastases

Time frame: MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.

ArmMeasureValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Subject Level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)34.5 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject Level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)30.4 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject Level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)31.9 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject Level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)73.8 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject Level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)74.3 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject Level Positive Predictive Value (PPV) and Negative Predictive Value (NPV)75.0 percentage
Secondary

Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent Immunotherapy

Sub-group analyses of subject-level PPV & NPV of fluciclovine (18F) PET, according to Concurrent Immunotherapy.

Time frame: MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.

Population: All subjects with a positive or negative finding by BIE, with outcome measures categorized by concurrent Immunotherapy.

ArmMeasureGroupValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy34.5 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy20.0 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy31.7 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy25.0 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy32.6 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy83.3 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy69.8 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy83.9 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy70.3 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyReceived Concurrent Immunotherapy84.4 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Concurrent ImmunotherapyDid Not Receive Concurrent Immunotherapy70.8 percentage
Secondary

Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor Type

Sub-group analyses of subject-level PPV & NPV of fluciclovine (18F) PET, according to primary tumor type.

Time frame: MRI for anatomical correlation within 3 days of IMP and PET scan, followed by surgical intervention (if applicable) post-PET scan and follow up through 6 months after PET scan.

Population: All subjects with a positive or negative finding by BIE, with outcome measures categorized by tumor type.

ArmMeasureGroupValue (NUMBER)
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma25.0 percentage
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer50.0 percentage
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast16.7 percentage
Reader 1 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma20.0 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma16.7 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast27.3 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma20.0 percentage
Reader 2 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer37.5 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma20.0 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer38.5 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast40.0 percentage
Reader 3 - Positive Percent Agreement (PPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma0.0 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast66.7 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer70.7 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma76.2 percentage
Reader 1 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma93.8 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma92.9 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma76.2 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer70.8 percentage
Reader 2 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast68.2 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeBreast73.9 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeMelanoma85.7 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeLung Cancer71.7 percentage
Reader 3 - Negative Percent Agreement (NPA)Subject-level Positive Predictive Value (PPV) & Negative Predictive Value (NPV) Diagnostic Performance of Fluciclovine (18F) PET in Detecting Recurrent Brain Metastases in Different Clinical Settings - Tumor TypeNon Lung/Breast/Melanoma76.2 percentage

Source: ClinicalTrials.gov · Data processed: Feb 14, 2026