Axillary Radiotherapy or Axillary Lymph Node Dissection in Patients With Clinically Node- Positive Breast Cancer Undergoing Upfront Tailored Axillary Surgery
Public ClinicalTrials.gov record NCT07140172. 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
Axillary Radiotherapy or Axillary Lymph Node Dissection in Patients With Clinically Node- Positive Breast Cancer Undergoing Upfront Tailored Axillary Surgery: An International, Randomized Superiority Trial (OPBC-10/ NOAX)
Study identification
- NCT ID
- NCT07140172
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- University Hospital, Basel, Switzerland
- Other
- Enrollment
- 1,060 participants
Conditions and interventions
Conditions
Interventions
- Axillary lymph node dissection (ALND) Procedure
- Axillary radiotherapy (ART) Procedure
Procedure
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
- Dec 31, 2025
- Primary completion
- Dec 30, 2029
- Completion
- Nov 30, 2037
- Last update posted
- May 10, 2026
2026 – 2037
United States locations
- U.S. sites
- 4
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Walter Reed National Military Medical Center | Bethesda | Maryland | 20814 | Not yet recruiting |
| Duke University/Duke Cancer Center | Durham | North Carolina | 27710 | Not yet recruiting |
| Fox Chase Cancer Center | Philadelphia | Pennsylvania | 19111 | Not yet recruiting |
| Swedish Cancer Institute | Seattle | Washington | 98104 | Not yet recruiting |
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 50 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT07140172, 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 May 10, 2026 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT07140172 live on ClinicalTrials.gov.