findmyKOL
Clinical trialNCT07546695RecruitingObservational

Role of Axillary Lymph Node Dissection for Residual MACROMETASTASES After NEOADJUVANT Chemotherapy in Patients With HER2+ and Triple Negative Breast Cancer: The OPBC-11/MACRONAC Study

SponsorUniversity Hospital, Basel, SwitzerlandEnrollment600Breast Cancer
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

  • Giacomo Montagna, MD MPH

    Breast Service, Department of Surgery; Memorial Sloan Kettering Cancer Center

    Study Director
  • Walter P. Weber, Prof. Dr. med.

    Department Breast, Abdomen, Pelvis

    Principal Investigator

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Switzerland
  • Department Breast, Abdomen, Pelvis; Universitätsspital Basel

    Basel, Switzerland

    Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
1 Feb 2026
Primary completion
31 Dec 2027
Completion
31 Dec 2027
Last update posted
19 May 2026
Registered enrollment
600
Registry id
NCT07546695

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.