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The OPBC-07/microNAC Study
Sponsor: University Hospital, Basel, Switzerland
Summary
The aim of this multicenter retrospective cohort study is to determine the safety of omission of axillary lymph node dissection in patients with residual micrometastases after neoadjuvant chemotherapy.
Official title: Association of Axillary Lymph Node Dissection With Oncological Outcomes in Patients With Residual Micrometastases After Neoadjuvant Chemotherapy: The OPBC-07/microNAC Study
Key Details
Gender
All
Age Range
18 Years - 100 Years
Study Type
OBSERVATIONAL
Enrollment
2000
Start Date
2024-05-15
Completion Date
2025-06
Last Updated
2025-01-24
Healthy Volunteers
No
Conditions
Locations (84)
Valleywise Health Medical Center
Phoenix, Arizona, United States
Cedars-Sinai Medical Center
Los Angeles, California, United States
University of California
San Francisco, California, United States
Providence Saint John's Cancer Institute
Santa Monica, California, United States
University of Miami
Coral Gables, Florida, United States
Dana-Farber Cancer Institute
Boston, Massachusetts, United States
University of Michigan
Ann Arbor, Michigan, United States
Mayo Clinic
Rochester, Minnesota, United States
NYU Langone Health
New York, New York, United States
Memorial Sloan Kettering Cancer Center
New York, New York, United States
Montefiore Medical Center
New York, New York, United States
University of Rochester
Rochester, New York, United States
Duke University
Durham, North Carolina, United States
University of Pennsylvania
Philadelphia, Pennsylvania, United States
Fox Chase Cancer Center
Philadelphia, Pennsylvania, United States
University of Pittsburgh Medical Center
Pittsburgh, Pennsylvania, United States
MD Anderson Cancer Center
Houston, Texas, United States
Swedish Cancer Institute
Seattle, Washington, United States
University of Washington
Seattle, Washington, United States
Sanatorio Modelo Quilmes
Quilmes, Argentina
Chris O'Brien Lifehouse (COBL)
Sydney, Australia
Ordensklinikum Linz GmbH
Linz, Austria
Medical University of Vienna Chirurgie
Vienna, Austria
Hospital de Base do Distrito Federal
Brasília, Brazil
Sirio Libanes Hospital Brasilia
Brasília, Brazil
Hospital Nossa Senhora das Graças
Curitiba, Brazil
Hospital Geral de Fortaleza
Fortaleza, Brazil
Instituto do Cancer do Ceará
Fortaleza, Brazil
Instituto de Mastologia e Oncologia
Goiânia, Brazil
Hospital de Câncer Araújo Jorge
Goiânia, Brazil
Sirio Libanes Hospital
São Paulo, Brazil
Instituto D'OR de Pesquisa e Ensino
São Paulo, Brazil
Sir Mortimer B. Davis Jewish General Hospital
Montreal, Canada
Arturo Lopez Perez Foundation
Providencia, Chile
Institute of Radiation Medicine
Vitacura, Chile
Clinical Hospital Center Rijeka
Rijeka, Croatia
Mansoura oncology center
Al Mansurah, Egypt
University Hospital Augsburg
Augsburg, Germany
University Hospital Düsseldorf
Düsseldorf, Germany
KEM | Clinics Essen-Mitte
Essen, Germany
University Hospital Heidelberg
Heidelberg, Germany
University Hospital Lübeck
Lübeck, Germany
University General Hospital of Heraklion
Heraklion, Greece
Athens Medical Center
Marousi, Greece
Sheba Medical Center
Ramat Gan, Israel
Insituto Europeo di Oncologia
Milan, Italy
University Hospital Federico II
Naples, Italy
IOV Padua
Padova, Italy
Clinici Scientifici Maugeri IRCCS
Pavia, Italy
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Roma, Italy
Pauls Stradiņš Clinical University Hospital
Riga, Latvia
National Cancer Institute
Vilnius, Lithuania
The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital
Amsterdam, Netherlands
Oslo University Hospital
Oslo, Norway
Dow University of Health Sciences
Karachi, Pakistan
Hospital Nacional Guillermo Almenara Irigoyen
La Victoria, Peru
Instituto Nacional de Enfermedades Neoplasicas
Surquillo, Peru
University Hospital Zielona Gora
Zielona Góra, Poland
Champalimaud Foundation
Lisbon, Portugal
N.N. Petrov National Medical Research Center of Oncology
Saint Petersburg, Russia
AGEL Mammacentrum sv. Agáty
Banská Bystrica, Slovakia
Institute of Oncology Ljubljana
Ljubljana, Slovenia
ASAN Medical Center
Seoul, South Korea
Gangnam Severance Hospital
Seoul, South Korea
Samsung Medical Center
Seoul, South Korea
Seoul National University Hospital
Seoul, South Korea
Hospital del Mar d'Investigacions Mèdiques
Barcelona, Spain
Clinica Universidad de Navarra
Madrid, Spain
Hospital Universitario La Paz, ía Mamaria
Madrid, Spain
Capio Saint Göran's Hospital
Stockholm, Sweden
Cantonal Hospital Baden
Baden, Switzerland
University Hospital Basel
Basel, Switzerland
Campus SLB Sonnenhof AG
Bern, Switzerland
Cantonal Hospital Luzern
Lucerne, Switzerland
EOC Centro di Senologia della Svizzera Italiana
Lugano, Switzerland
Tumor und Brustzentrum Ostschweiz
Sankt Gallen, Switzerland
Cantonal Hospital Winterthur
Winterthur, Switzerland
Zürich Breast Center
Zurich, Switzerland
University Hospital Zürich
Zurich, Switzerland
Gülhane Training and Research Hospital
Ankara, Turkey (Türkiye)
Istanbul University Faculty of Medicine
Fatih, Turkey (Türkiye)
Marmara University
Istanbul, Turkey (Türkiye)
Zonguldak Bülent Ecevit University
Zonguldak, Turkey (Türkiye)
Cambridge University Hospitals
Cambridge, United Kingdom