- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02466737
Comparison of Axillary Sentinel Lymph Node Biopsy Versus no Axillary Surgery (INSEMA)
Comparison of Axillary Sentinel Lymph Node Biopsy Versus no Axillary Surgery in Patients With Early-stage Invasive Breast Cancer and Breast-conserving Surgery: a Randomized Prospective Surgical Trial. Intergroup-Sentinel-Mamma (INSEMA)-Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Currently, axillary surgery for breast cancer is considered as staging procedure that does not seem to influence breast cancer mortality, since the risk of developing metastasis depends mainly on the biological behaviour of the primary (seed-and-soil model). Based on this, the postsurgical therapy should be considered on the basis of biologic tumor characteristics rather than nodal involvement.
The goal of the present study is to show that early-stage breast cancer patients with reduced extent of axillary surgery are not inferior regarding disease-free survival outcome compared with the standard arm. All patients will be first randomized to either no axillary surgical intervention or axillary sentinel lymph node biopsy (SLNB). Patients with SLNB and pN+(sn) status will be secondly randomized to either SLNB alone or completion axillary lymph node dissection (ALND) in cases with less than four involved nodes (1-3 macrometastases). Patients with four or more metastatic sentinel lymph nodes should undergo completion ALND.
Postoperative systemic treatment should be based on local multidisciplinary tumor board recommendation according to the current German AGO and S3 guidelines. For women who are treated with breast-conserving surgery, the most common site of local recurrence is the conserved ipsilateral breast itself. Thus, whole-breast radiation therapy after breast-conserving surgery is mandatory and should be performed according to the current guidelines (S3, AGO, DEGRO).
During follow-up, patients will be assessed for disease recurrence according to standard clinical practice. History and physical examination will be performed every 6 months for the first 36 months and yearly thereafter. Annual mammography and sonography will be required; other testing will be based on symptoms and investigator preference. The total number of patients to be randomized into the trial will be approximately 7,095. An event-driven final efficacy analysis will be performed per-protocol for two primary objectives.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
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Dornbirn, Austria, 6850
- BGZ Dornbirn, Gynäkologie
-
Graz, Austria, 8036
- LKH Uni-Klinikum Graz, Gynäkologie
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Linz, Austria, 4020
- Kepler Universitätsklinikum
-
Linz, Austria, 4010
- Ordensklinikum-BHS
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Salzburg, Austria, 5020
- Universitätsfrauenklinik Salzburg
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St. Veit/Glan, Austria, 9300
- KH der Barmherzigen Brüder
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Wien, Austria, 1140
- Hanusch-Krankenhaus, Brustzentrum
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Wolfsberg, Austria, 9400
- Landes-Krankenhaus Wolfsberg, Chirurgie
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-
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BB
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Brandenburg, BB, Germany, 14770
- Städtisches Klinikum Brandenburg
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Cottbus, BB, Germany, 03046
- Carl-Thiem-Klinikum
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Ludwigsfelde, BB, Germany, 14974
- Ev. Krankenhaus, Frauenklinik
-
Potsdam, BB, Germany, 14467
- Klinikum Ernst von Bergmann
-
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BE
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Berlin, BE, Germany, 10117
- Charité Campus Mitte
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Berlin, BE, Germany, 10365
- Sana Klinikum Berlin-Lichtenberg
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Berlin, BE, Germany, 10713
- St. Gertrauden Krankenhaus
-
Berlin, BE, Germany, 12559
- DRK Kliniken Köpenick
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Berlin, BE, Germany, 13086
- Park-Klinik Weißensee
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Berlin, BE, Germany, 13589
- Evang. Waldkrankenhaus Spandau
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Berlin, BE, Germany, 14050
- DRK-Kliniken Westend
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Berlin, BE, Germany, 14163
- Krankenhaus Waldfriede
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Berlin-Buch, BE, Germany, 13125
- Helios Klinikum, Klinik für Gynäkologie
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BW
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Aalen, BW, Germany, 73430
- Ostalb-Klinikum, Brustzentrum Aalen
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Bad Mergentheim, BW, Germany, 97980
- Caritas-Krankenhaus Brustzentrum Tauberfranken
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Baden-Baden, BW, Germany, 76532
- Klinikum Mittelbach Brustzentrum
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Biberach, BW, Germany, 88400
- Sana-Klinikum Biberach
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Bietigheim, BW, Germany, 74321
- Krankenhaus Bietigheim
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Bruchsal, BW, Germany, 76646
- Fürst-Stirum-Klinik
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Böblingen, BW, Germany, 71032
- Klinikum Böblingen
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Ehingen, BW, Germany, 89584
- Brustzentrum Donau-Riß
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Esslingen, BW, Germany, 73730
- Klinikum Esslingen
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Freiburg, BW, Germany, 79106
- Universitätsklinikum Freiburg
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Freudenstadt, BW, Germany, 72250
- Frauenklinik Freudenstadt
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Heidelberg, BW, Germany, 69120
- Universitätsklinikum Heidelberg
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Karlsruhe, BW, Germany, 76133
- Städtisches Klinikum Karlsruhe
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Karlsruhe, BW, Germany, 76199
- ViDia Christliche Kliniken, Diakonissenkrankenhaus Karlsruhe
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Ludwigsburg, BW, Germany, 71640
- Klinikum Ludwigsburg
-
Lörrach, BW, Germany, 79539
- St. Elisabethen Krankenhaus
-
Pforzheim, BW, Germany, 75175
- Helios Klinik Pforzheim
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Pforzheim, BW, Germany, 75179
- Siloah St. Trudpert Klinikum
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Reutlingen, BW, Germany, 72764
- Klinikum am Steinenberg
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Rottweil, BW, Germany, 78628
- Helios Klinik Rottweil
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Schorndorf, BW, Germany, 73614
- Rems-Murr Klinik
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Tuttlingen, BW, Germany, 78532
- Klinikum Tuttlingen
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Tübingen, BW, Germany, 72076
- Universitätsfrauenklinik
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Ulm, BW, Germany, 89075
- Universitätsfrauenklinik Ulm
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Villingen-Schwenningen, BW, Germany, 78050
- Schwarzwald-Baar Klinikum
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Winnenden, BW, Germany, 71364
- Rems-Murr Kliniken
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BY
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Amberg, BY, Germany, 92224
- Klinikum St. Marien
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Ansbach, BY, Germany, 91522
- AN regiomed Klinikum Ansbach
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Aschaffenburg, BY, Germany, 63739
- Klinikum Aschaffenburg
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Augsburg, BY, Germany, 86150
- Hämatologisch-Onkologische Praxis
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Bayreuth, BY, Germany, 95445
- Klinikum Bayreuth GmbH, Frauenklinik
-
Ebersberg, BY, Germany, 85560
- Kreisklinik Ebersberg
-
Eggenfelden, BY, Germany, 84307
- Gynäkologische Praxis
-
Fürth, BY, Germany, 90766
- Klinikum Fürth
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Kempten, BY, Germany, 87439
- Klinikum Kempten-Oberallgau
-
Landshut, BY, Germany, 84034
- Klinikum Landshut
-
Marktredwitz, BY, Germany, 95615
- Klinikum Fichtelgebirge gGmbH, Brustzentrum
-
Memmingen, BY, Germany, 87700
- Klinikum Memmingen
-
München, BY, Germany, 80337
- Klinikum der Universität München
-
München, BY, Germany, 81545
- Klinikum Harlaching, Frauenklinik
-
Passau, BY, Germany, 94032
- Klinikum Passau
-
Regensburg, BY, Germany, 93053
- Frauenklinik der Universität Regensburg, Caritas-Krankenhaus St. Josef
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Starnberg, BY, Germany, 82319
- Klinikum Starnberg
-
Traunstein, BY, Germany, 83278
- Klinikum Traunstein
-
Weiden, BY, Germany, 92637
- Kliniken Nordoberpfalz AG, Brustzentrum Weiden
-
Würzburg, BY, Germany, 97070
- Rotkreuzklinik Würzburg
-
Würzburg, BY, Germany, 97074
- Klinikum Mitte, Missio Brustzentrum
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HB
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Bremen, HB, Germany, 28209
- St. Joseph Stift
-
Bremen, HB, Germany, 28239
- DIAKO Krankenhaus Bremen
-
-
HE
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Frankfurt, HE, Germany, 60431
- Agaplesion Markus Krankenhaus
-
Frankfurt, HE, Germany, 60590
- Universitätsklinikum Brustzentrum
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Frankfurt am Main, HE, Germany, 65929
- Klinikum Frankfurt Höchst
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Gelnhausen, HE, Germany, 63571
- Main-Kinzig-Kliniken Gelnhausen
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Hanau, HE, Germany, 63450
- Klinikum Hanau GmbH
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Heppenheim, HE, Germany, 64646
- Kreiskrankenhaus Bergstraße gGmbH
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Kassel, HE, Germany, 34117
- Elisabeth Krankenhaus Kassel
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Kassel, HE, Germany, 34125
- Klinikum Kassel
-
Offenbach, HE, Germany, 63069
- Sana Klinikum Offenbach
-
Wiesbaden, HE, Germany, 65189
- St. Josefs-Hospital, Frauenklinik
-
Wiesbaden, HE, Germany, 65197
- Asklepios Paulinenklinik
-
Wiesbaden, HE, Germany, 65199
- Helios Dr. Horst Schmidt Klinikum
-
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HH
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Hamburg, HH, Germany, 20246
- Universitätsklinikum Hamburg, Brustzentrum
-
Hamburg, HH, Germany, 20259
- Agaplesion Diakonieklinikum, Brustzentrum
-
Hamburg, HH, Germany, 21673
- Gynäkologische Praxisklinik Harburg
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Hamburg, HH, Germany, 22457
- Albertinen-Krankenhaus, Brustzentrum
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MV
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Greifswald, MV, Germany, 17475
- Universität Greifswald, Frauenklinik
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Neubrandenburg, MV, Germany, 17036
- Dietrich Bonhoeffer Klinikum, Brustzentrum
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Rostock, MV, Germany, 18059
- Universitäts-Frauenklinik
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Schwerin, MV, Germany, 19049
- HELIOS Kliniken Schwerin
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NI
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Celle, NI, Germany, 29223
- AKH Celle, Brustzentrum
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Georgsmarienhütte, NI, Germany, 49124
- Franziskus Hospital Harderberg
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Gifhorn, NI, Germany, 38518
- Helios Klinikum Gifhorn
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Hannover, NI, Germany, 30559
- Henriettenstiftung Frauenklinik
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Hannover, NI, Germany, 30559
- Vinzenzkrankenhaus Hannover
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Hannover, NI, Germany, 30625
- MHH Frauenklinik
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Hildesheim, NI, Germany, 31134
- St. Bernward Krankenhaus
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Lingen, NI, Germany, 49808
- Bonifatius-Hospital, Brustzentrum
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Nordhorn, NI, Germany, 48527
- Euregio-Klinik Brustzentrum Nordhorn
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Obernkirchen, NI, Germany, 31683
- Agaplesion Ev. Klinikum, Brustzentrum Schaumburg
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Osnabrück, NI, Germany, 49076
- Klinikum Osnabruck
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Rotenburg, NI, Germany, 27356
- Diakoniekrankenhaus, Frauenklinik
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Wolfsburg, NI, Germany, 38440
- Klinikum Wolfsburg, Frauenklinik
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Nordrhein
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Bochum, Nordrhein, Germany, 44791
- Augusta-Klinik
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Bonn, Nordrhein, Germany, 53105
- Universitätsfrauenklinik Bonn
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Bottrop, Nordrhein, Germany, 46236
- Marienhospital Bottrop
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Düsseldorf, Nordrhein, Germany, 40225
- Frauenklinik der H.-Heine-Universität
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Essen, Nordrhein, Germany, 45122
- Universitätsklinikum Essen Frauenklinik
-
Essen, Nordrhein, Germany, 45136
- Kliniken Essen-Mitte
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Köln, Nordrhein, Germany, 50931
- Uniklinik Köln
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Köln, Nordrhein, Germany, 50935
- St. Elisabeth Krankenhaus, Brustzentrum
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Lüdenscheid, Nordrhein, Germany, 58515
- Klinikum Märkische Kliniken, Brustzentrum
-
Lünen, Nordrhein, Germany, 44534
- Klinikum Lünen, Brustzentrum
-
Münster, Nordrhein, Germany, 48145
- St. Franziskus-Hospital
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Münster, Nordrhein, Germany, 48149
- Universitatsklinikum Munster
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Schwerte, Nordrhein, Germany, 58239
- Marienkrankenhaus
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Siegen, Nordrhein, Germany, 57072
- St. Marienkrankenhaus, Frauenklinik
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Troisdorf, Nordrhein, Germany, 53840
- St. Josef-Hospital, BZ Rhein-Sieg
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Unna, Nordrhein, Germany, 59423
- Katharinen-Hospital, Brustzentrum
-
Wesel, Nordrhein, Germany, 46483
- Marien-Hospital
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RP
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Kaiserslautern, RP, Germany, 67655
- Westpfalz Klinikum
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Koblenz, RP, Germany, 56073
- BZ Mittelrhein Koblenz+Mayen
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Ludwigshafen, RP, Germany, 67063
- Klinikum Ludwigshafen
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Speyer, RP, Germany, 67346
- Diakonissen-Stiftungs-Krankenhaus Speyer
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Worms, RP, Germany, 67550
- Stadtkrankenhaus Worms
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SH
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Eutin, SH, Germany, 23701
- Sana-Klinik
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Flensburg, SH, Germany, 24939
- DIAKO Diakonissenkrankenhaus
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Kiel, SH, Germany, 24105
- Universitatsklinikum Schleswig-Hostein
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Lübeck, SH, Germany, 23538
- Universitätsklinikum Schleswig-Holstein, Campus Lübeck
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SN
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Borna, SN, Germany, 04552
- Brustzentrum Nordsachsen
-
Dresden, SN, Germany, 01099
- Diakonissenkrankenhaus
-
Dresden, SN, Germany, 01307
- Krankenhaus St. Joseph-Stift
-
Dresden, SN, Germany, 01307
- Universität Dresden, Frauenklinik
-
Görlitz, SN, Germany, 02828
- Städtisches Klinikum
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Leipzig, SN, Germany, 04103
- Universitätsklinikum Leipzig, Brustzentrum
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Leipzig, SN, Germany, 04277
- St. Elisabeth Krankenhaus
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Rodewisch, SN, Germany, 08228
- Klinikum Obergöltzsch Rodewisch
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Schkeuditz, SN, Germany, 04435
- Helios Klinik
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Saint
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Halle, Saint, Germany, 06110
- Krankenhaus St. Elisabeth und St. Barbara
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Halle/Saale, Saint, Germany, 06120
- Universität Halle/Saale, Frauenklinik
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Magdeburg, Saint, Germany, 39110
- Klinik St. Marienstift
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Salzwedel, Saint, Germany, 29410
- Altmark-Klinikum Brustzentrum
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Stendal, Saint, Germany, 39576
- Johanniter-Krankenhaus, Frauenklinik
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Wernigerode, Saint, Germany, 38855
- Harzklinikum, Brustzentrum Harz
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TH
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Bad Langensalza, TH, Germany, 99947
- Hufeland-Klinik Bad Langensalza
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Gera, TH, Germany, 07548
- SRH Waldklinikum
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Jena, TH, Germany, 07747
- Universitatsklinikum Jena
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Meiningen, TH, Germany, 98617
- Helios Klinikum Meiningen, Brustzentrum
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Suhl, TH, Germany, 98527
- SRH Zentralklinikum Suhl
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Sömmerda, TH, Germany, 99610
- DRK Krankenhaus, Brustzentrum
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Written informed consent prior to beginning breast-conserving surgery, including expected cooperation of the patients for follow-up, must be obtained and documented according to the local regulatory requirements
- Histologically confirmed unilateral primary invasive carcinoma of the breast (core biopsy or open biopsy). Multifocal or multicentric tumors are allowed if breast-conserving surgery is planned
- Age at diagnosis at least 18 years
- Preoperative imaging techniques with estimated tumor size of <5 cm (iT1/iT2 irrespective of hormone sensitivity or HER2 status)
- Clinically and sonographically tumor-free axilla prior to core biopsy (cN0/iN0)
- In cases with cN0 and iN+, a negative core biopsy or fine needle aspiration (FNA) biopsy of the sonographically suspected lymph node is required before randomization
- No clinical evidence for distant metastasis (M0)
- Planned breast-conserving surgery (R0 resection) with postoperative external whole-breast irradiation (conventional fractionation or hypofractionation)
Exclusion Criteria:
- History of malignancy within last 5 years, except curatively treated basalioma of the skin and carcinoma in situ of the cervix
- Time since core biopsy >3 months (optimal <1 month)
- Previous and already (neoadjuvant) treated invasive breast carcinoma
- Histologically non-invasive breast carcinoma
- cT3/T4 or iT3/T4 tumors
- pregnant or lactating patients
- Planned total mastectomy (e.g. multicentric tumors )
- Planned intraoperative radiotherapy (e.g. Intrabeam) or postoperative partial breast irradiation (e.g. multicatheter technique) alone; both procedures are allowed as boost techniques
- Male patients
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: no axillary surgery
|
in cases with newly diagnosed breast cancer and clinically negative axillary status
|
Active Comparator: sentinel lymph node biopsy
standard arm in first randomization
|
in cases with newly diagnosed breast cancer and clinically negative axillary status
|
Experimental: sentinel lymph node biopsy alone
|
in cases with 1-3 macrometastases in sentinel lymph nodes
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Active Comparator: completion axillary lymph node dissection
standard arm in second randomization
|
in cases with 1-3 macrometastases in sentinel lymph nodes
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
invasive disease-free survival (IDFS) after breast-conserving surgery
Time Frame: 5 years
|
non-inferiority question
|
5 years
|
Collaborators and Investigators
Sponsor
Investigators
- Study Chair: Toralf Reimer, MD, PhD, University Medicine Rostock
Publications and helpful links
General Publications
- Reimer T, Stachs A, Nekljudova V, Loibl S, Hartmann S, Wolter K, Hildebrandt G, Gerber B. Restricted Axillary Staging in Clinically and Sonographically Node-Negative Early Invasive Breast Cancer (c/iT1-2) in the Context of Breast Conserving Therapy: First Results Following Commencement of the Intergroup-Sentinel-Mamma (INSEMA) Trial. Geburtshilfe Frauenheilkd. 2017 Feb;77(2):149-157. doi: 10.1055/s-0042-122853.
- Hildebrandt G, Stachs A, Gerber B, Potenberg J, Krug D, Wolter K, Kuhn T, Zierhut D, Sedlmayer F, Kaiser J, Reitsamer R, Heil J, Nekljudova V, Bekes I, Loibl S, Reimer T. Central Review of Radiation Therapy Planning Among Patients with Breast-Conserving Surgery: Results from a Quality Assurance Process Integrated into the INSEMA Trial. Int J Radiat Oncol Biol Phys. 2020 Jul 15;107(4):683-693. doi: 10.1016/j.ijrobp.2020.04.042. Epub 2020 May 11.
- Reimer T, Stachs A, Veselinovic K, Polata S, Muller T, Kuhn T, Heil J, Ataseven B, Reitsamer R, Hildebrandt G, Knauer M, Golatta M, Stefek A, Zahm DM, Thill M, Nekljudova V, Krug D, Loibl S, Gerber B; INSEMA investigators. Patient-reported outcomes for the Intergroup Sentinel Mamma study (INSEMA): A randomised trial with persistent impact of axillary surgery on arm and breast symptoms in patients with early breast cancer. EClinicalMedicine. 2022 Nov 25;55:101756. doi: 10.1016/j.eclinm.2022.101756. eCollection 2023 Jan.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- GBG 75 / ABCSG 43
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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