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Trial + Data / Events	Status	Ph	N	Region	Interventions	Sponsor	Conditions	Primary compl	Study compl
Hahn, Markus
NCT03737266: Comparison of Conventional With Sonography Assisted Breast Surgery After Neoadjuvant Chemotherapy	Completed	N/A	137	Europe	Sonographically assisted breast surgery, Conventional breast surgery	University Hospital Tuebingen	Breast Cancer Surgery	01/23	01/23
NCT06020573: Evaluation of Safety and Performance of Intraoperative Detection of Light Signals During Electrosurgical Breast Cancer Resection	Completed	N/A	24	NA	Clip-on electrode with fiber optics	Erbe Elektromedizin GmbH	Breast Cancer, Resection Margin	07/24	07/24
NCT06346457: Breast Cancer & Antiestrogenic Therapy & Brain	Not yet recruiting	N/A	180	Europe	Tamoxifen, Letrozole, Letrozole + GnRH	International Research Training Group 2804, German Research Foundation, University Hospital Tuebingen, Uppsala University	Breast Cancer Female, Healthy Female, Menopause, Anti-estrogenic Therapy	12/25	04/26