Serial FES PET/CT to Measure Hormone Expression in Patients Undergoing Endocrine Targeted Therapy
Public ClinicalTrials.gov record NCT04692103. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Serial [F-18] Fluoroestradiol (FES) PET Imaging to Evaluate Endocrine-targeted Therapy
Study identification
- NCT ID
- NCT04692103
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- University of Washington
- Other
- Enrollment
- 2 participants
Conditions and interventions
Conditions
Interventions
- Computed Tomography Procedure
- F-18 16 Alpha-Fluoroestradiol Drug
- Fludeoxyglucose F-18 Drug
- Laboratory Biomarker Analysis Other
- Positron Emission Tomography Procedure
Procedure · Drug · Other
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 9, 2021
- Primary completion
- Sep 30, 2021
- Completion
- Apr 29, 2041
- Last update posted
- Jan 21, 2026
2021 – 2041
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Fred Hutch/University of Washington Cancer Consortium | Seattle | Washington | 98109 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04692103, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jan 21, 2026 · Synced May 6, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04692103 live on ClinicalTrials.gov.