Trial Outcomes & Findings for Assessment of Functional Status of Estrogen Receptors in Breast Cancer by Positron Emission Tomography (NCT NCT02455453)

NCT ID: NCT02455453

Last Updated: 2020-01-14

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

47 participants

Primary outcome timeframe

Completion of second FFNP-PET/CT scan (up to 4 weeks)

Results posted on

2020-01-14

Participant Flow

Participant milestones

Participant milestones
Measure
Diagnostic FFNP-PET/CT Scan
* (2) 18F-FFNP-PET/CT scans * First one prior to estradiol challenge test * Second one immediately following one day of estradiol challenge test * (1) FDG-PET/CT scan at screening * The estradiol challenge test will consist of administering a total of 6 mg of estradiol dosed orally as three 2 mg tablets with each tablet being administered approximately 8 hours apart and within a 24 hour period. This estradiol medication will be provided to the patient by the study.
Overall Study
STARTED
47
Overall Study
COMPLETED
47
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Assessment of Functional Status of Estrogen Receptors in Breast Cancer by Positron Emission Tomography

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Diagnostic FFNP-PET/CT Scan
n=47 Participants
* (2) 18F-FFNP-PET/CT scans * First one prior to estradiol challenge test * Second one immediately following one day of estradiol challenge test * (1) FDG-PET/CT scan at screening * The estradiol challenge test will consist of administering a total of 6 mg of estradiol dosed orally as three 2 mg tablets with each tablet being administered approximately 8 hours apart and within a 24 hour period. This estradiol medication will be provided to the patient by the study.
Age, Continuous
60.0 years
n=5 Participants
Sex: Female, Male
Female
47 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
47 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
10 Participants
n=5 Participants
Race (NIH/OMB)
White
37 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Region of Enrollment
United States
47 participants
n=5 Participants

PRIMARY outcome

Timeframe: Completion of second FFNP-PET/CT scan (up to 4 weeks)

Population: 2 participants were not included in this outcome measure as the liver background was too high in both participants.

Outcome measures

Outcome measures
Measure
Diagnostic FFNP-PET/CT Scan
n=45 Participants
* (2) 18F-FFNP-PET/CT scans * First one prior to estradiol challenge test * Second one immediately following one day of estradiol challenge test * (1) FDG-PET/CT scan at screening * The estradiol challenge test will consist of administering a total of 6 mg of estradiol dosed orally as three 2 mg tablets with each tablet being administered approximately 8 hours apart and within a 24 hour period. This estradiol medication will be provided to the patient by the study.
Change in Primary Tumor FFNP Uptake Before and After Estradiol Challenge as Measured by Percent Change in Standardized Uptake Value (SUV)
11.0 percent change in SUV
Interval -46.0 to 306.0

PRIMARY outcome

Timeframe: Completion of second FFNP-PET/CT scan (up to 4 weeks)

Population: 12 participants were not included in this outcome measure as they did not have a secondary tumor location and 2 participants were not included in this outcome measure as the liver background was too high in both participants.

Outcome measures

Outcome measures
Measure
Diagnostic FFNP-PET/CT Scan
n=33 Participants
* (2) 18F-FFNP-PET/CT scans * First one prior to estradiol challenge test * Second one immediately following one day of estradiol challenge test * (1) FDG-PET/CT scan at screening * The estradiol challenge test will consist of administering a total of 6 mg of estradiol dosed orally as three 2 mg tablets with each tablet being administered approximately 8 hours apart and within a 24 hour period. This estradiol medication will be provided to the patient by the study.
Change in Secondary Tumor FFNP Uptake Before and After Estradiol Challenge as Measured by Percent Change in Standardized Uptake Value (SUV)
15.0 percent change in SUV
Interval -48.0 to 306.0

SECONDARY outcome

Timeframe: Completion of second FFNP-PET/CT scan (up to 4 weeks)

Population: 2 participants were not included in this outcome measure as the liver background was too high in both participants.

As measured visually in known lesion by recording presence or absence of uptake with note of any changes between scans

Outcome measures

Outcome measures
Measure
Diagnostic FFNP-PET/CT Scan
n=45 Participants
* (2) 18F-FFNP-PET/CT scans * First one prior to estradiol challenge test * Second one immediately following one day of estradiol challenge test * (1) FDG-PET/CT scan at screening * The estradiol challenge test will consist of administering a total of 6 mg of estradiol dosed orally as three 2 mg tablets with each tablet being administered approximately 8 hours apart and within a 24 hour period. This estradiol medication will be provided to the patient by the study.
Heterogeneity of Tumor FFNP Uptake as Measured by Number of Participants With Heterogenous Response
6 Participants

Adverse Events

Diagnostic FFNP-PET/CT Scan

Serious events: 0 serious events
Other events: 11 other events
Deaths: 5 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Diagnostic FFNP-PET/CT Scan
n=47 participants at risk
* (2) 18F-FFNP-PET/CT scans * First one prior to estradiol challenge test * Second one immediately following one day of estradiol challenge test * (1) FDG-PET/CT scan at screening * The estradiol challenge test will consist of administering a total of 6 mg of estradiol dosed orally as three 2 mg tablets with each tablet being administered approximately 8 hours apart and within a 24 hour period. This estradiol medication will be provided to the patient by the study.
Gastrointestinal disorders
Diarrhea
6.4%
3/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Gastrointestinal disorders
Nausea
6.4%
3/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Gastrointestinal disorders
Oral pain
2.1%
1/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Gastrointestinal disorders
Vomiting
4.3%
2/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Gastrointestinal disorders
Oral dysesthesia
2.1%
1/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Gastrointestinal disorders
Abdominal cramping
2.1%
1/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
General disorders
Fatigue
4.3%
2/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Nervous system disorders
Cognitive disturbance
2.1%
1/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Nervous system disorders
Headache
4.3%
2/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Musculoskeletal and connective tissue disorders
Back pain
2.1%
1/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Musculoskeletal and connective tissue disorders
Bone pain
4.3%
2/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Musculoskeletal and connective tissue disorders
Shoulder/joint pain
2.1%
1/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Nervous system disorders
Paresthesia
4.3%
2/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.
Skin and subcutaneous tissue disorders
Bug bite or welt
2.1%
1/47 • For FFNP-PET/CT imagings, participants were contacted by phone or in person approximately 24 +/- 6 hours after the injection of 18FFNP to assess for adverse events as related to 18F-FFNP injection, or PET/CT imaging. Any adverse events that occurred within 24 hours of administration of 18F-FFNP or within 24 hours of the first dose of estradiol which are graded related or possibly related were reported.

Additional Information

Farrokh Dehdashti, M.D.

Washington University School of Medicine

Phone: 314-747-1604

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place