Prospective study evaluating the effect of impaired tamoxifen metabolisation on efficacy in breast cancer patients receiving tamoxifen in the neo-adjuvant or metastatic setting.

• Lintermans, Anneleen University Hospitals Leuven, Leuven, Belgium;
• Van Asten, Kathleen KU Leuven, Leuven, Belgium;
• Jongen, Lynn KU Leuven, Leuven, Belgium;
• Blomme, Chantal University Hospitals Leuven, Leuven, Belgium;
• Lambrechts, Diether VIB and KU Leuven, Leuven, Belgium;
• Van Calster, Ben KU Leuven, Leuven, Belgium;
• Poppe, An University Hospitals Leuven, Leuven, Belgium;
• Wildiers, Hans University Hospitals Leuven and KU Leuven, Leuven, Belgium;
• Dieudonné, Anne-Sophie KU Leuven, Leuven, Belgium;
• Decloedt, Jan Sint-Blasius Hospital, Dendermonde, Belgium;
• Berteloot, Patrick AZ Sint Maarten, Duffel, Belgium;
• Verhoeven, Didier Hospital Klina, Brasschaat, Belgium;
• Joerger, Markus Cantonal Hospital, St. Gallen, Switzerland;
• Vuylsteke, Peter Cmse, Namur, Belgium;
• Wynendaele, Wim Medische Oncologie, Imelda Ziekenhuis Bonheiden, Bonheiden, Belgium;
• Vergote, Ignace University Hospital Leuven, Leuven, Belgium;
• Guchelaar, Henk-jan Department of Clinical Pharmacy & Toxicology, Leiden University Medical Center, Leiden, Netherlands;
• Dezentje, Vincent O. Department of Clinical Oncology, Leiden University Medical Center, Leiden, Netherlands;
• Paridaens, Robert University Hospitals, Leuven, Belgium;
• Neven, Patrick University Hospitals Leuven, Leuven, Belgium;

Cancer Research

Oncology