A Study of ZN-c5 in Participants With Breast Cancer
Public ClinicalTrials.gov record NCT04176757. 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
A Phase 1 Open-Label, Multicenter Study to Evaluate Biomarkers for ZN-c5 in Subjects With Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative Breast Cancer
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a Phase 1 open-label, multicenter study to evaluate biomarkers for ZN-c5 in subjects with breast cancer
Study identification
- NCT ID
- NCT04176757
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 35 participants
Conditions and interventions
Conditions
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
- Jan 3, 2020 (Actual)
- Primary completion
- Apr 27, 2021 (Actual)
- Completion
- May 25, 2021 (Actual)
- Last update posted
- Aug 1, 2022
2020 – 2021
United States locations
- U.S. sites
- 5
- U.S. states
- 5
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Site 3 | Tucson | Arizona | 85719 | — |
| Site 2 | New York | New York | 10032 | — |
| Site 4 | Nashville | Tennessee | 37240 | — |
| Site 1 | Houston | Texas | 77030 | — |
| Site 5 | 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.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 5 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04176757, 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 Aug 1, 2022 · Synced Oct 26, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04176757 live on ClinicalTrials.gov.