TARGeted Intraoperative radioTherapy With INTRABEAM as a Boost for Breast Cancer - A Quality Control Registry
TARGIT_BQR
1 other identifier
observational
1,133
1 country
1
Brief Summary
Quality Control Registry for IORT used as an anticipiated boost with 20 Gy at the applicator surface followed by EBRT
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Sep 2011
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2011
CompletedFirst Submitted
Initial submission to the registry
September 22, 2011
CompletedFirst Posted
Study publicly available on registry
September 23, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2020
CompletedResults Posted
Study results publicly available
December 12, 2025
CompletedDecember 12, 2025
December 1, 2025
9.3 years
September 22, 2011
October 22, 2024
December 10, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Patients With Local Recurrence
The follow-up was carried out every six months for the first two years, and then once a year. The follow-up always included a mammography in addition to a clinical examination. Kaplan-Meier-estimates were done to calculate the local recurrence rate
5 years
Secondary Outcomes (1)
Percentage of Patients With Chronic Higher Grade Fibrosis After IORT Boost
84 months
Study Arms (1)
IORT with 50 kV x-rays, 20 Gy
Boost with 20 Gy during BCS, EBRT with 46-50 Gy
Interventions
Intraoperative radiotherapy with the INTRABEAM System with 20 Gy
Eligibility Criteria
All patients with breast cancer and a tumor diameter \< 3,5 cm plannend for breast conserving surgery. Intraoperative radiotherapy (IORT) is applied as an advanced boost with 20 Gy at the applicator surface during surgery. Its feasibility was already shown. IORT as a boost is considered as one of several boost techniques in the S3-Leitlinie (national guideline) for breast cancer.
You may qualify if:
- Tumor diameter \< 3,5 cm
- Informed consent
You may not qualify if:
- No informed consent
- Tumor size \> 3,5 cm
- No indication for a boost
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University Medical Center Mannheim
Mannheim, 68167, Germany
Related Publications (25)
Andersen KG, Gartner R, Kroman N, Flyger H, Kehlet H. Persistent pain after targeted intraoperative radiotherapy (TARGIT) or external breast radiotherapy for breast cancer: a randomized trial. Breast. 2012 Feb;21(1):46-9. doi: 10.1016/j.breast.2011.07.011. Epub 2011 Aug 23.
PMID: 21865044BACKGROUNDSautter-Bihl ML, Sedlmayer F, Budach W, Dunst J, Engenhart-Cabillic R, Fietkau R, Feyer P, Haase W, Harms W, Rodel C, Souchon R, Wenz F, Sauer R. Intraoperative radiotherapy as accelerated partial breast irradiation for early breast cancer : beware of one-stop shops? Strahlenther Onkol. 2010 Dec;186(12):651-7. doi: 10.1007/s00066-010-8001-2.
PMID: 21127826BACKGROUNDVaidya JS, Baum M, Tobias JS, Wenz F, Massarut S, Keshtgar M, Hilaris B, Saunders C, Williams NR, Brew-Graves C, Corica T, Roncadin M, Kraus-Tiefenbacher U, Sutterlin M, Bulsara M, Joseph D. Long-term results of targeted intraoperative radiotherapy (Targit) boost during breast-conserving surgery. Int J Radiat Oncol Biol Phys. 2011 Nov 15;81(4):1091-7. doi: 10.1016/j.ijrobp.2010.07.1996. Epub 2010 Oct 15.
PMID: 20951505BACKGROUNDKeshtgar MR, Vaidya JS, Tobias JS, Wenz F, Joseph D, Stacey C, Metaxas MG, Keller A, Corica T, Williams NR, Baum M. Targeted intraoperative radiotherapy for breast cancer in patients in whom external beam radiation is not possible. Int J Radiat Oncol Biol Phys. 2011 May 1;80(1):31-8. doi: 10.1016/j.ijrobp.2010.01.045. Epub 2010 Jun 18.
PMID: 20646864BACKGROUNDVaidya JS, Joseph DJ, Tobias JS, Bulsara M, Wenz F, Saunders C, Alvarado M, Flyger HL, Massarut S, Eiermann W, Keshtgar M, Dewar J, Kraus-Tiefenbacher U, Sutterlin M, Esserman L, Holtveg HM, Roncadin M, Pigorsch S, Metaxas M, Falzon M, Matthews A, Corica T, Williams NR, Baum M. Targeted intraoperative radiotherapy versus whole breast radiotherapy for breast cancer (TARGIT-A trial): an international, prospective, randomised, non-inferiority phase 3 trial. Lancet. 2010 Jul 10;376(9735):91-102. doi: 10.1016/S0140-6736(10)60837-9.
PMID: 20570343BACKGROUNDHerskind C, Griebel J, Kraus-Tiefenbacher U, Wenz F. Sphere of equivalence--a novel target volume concept for intraoperative radiotherapy using low-energy X rays. Int J Radiat Oncol Biol Phys. 2008 Dec 1;72(5):1575-81. doi: 10.1016/j.ijrobp.2008.08.009.
PMID: 19028280BACKGROUNDBelletti B, Vaidya JS, D'Andrea S, Entschladen F, Roncadin M, Lovat F, Berton S, Perin T, Candiani E, Reccanello S, Veronesi A, Canzonieri V, Trovo MG, Zaenker KS, Colombatti A, Baldassarre G, Massarut S. Targeted intraoperative radiotherapy impairs the stimulation of breast cancer cell proliferation and invasion caused by surgical wounding. Clin Cancer Res. 2008 Mar 1;14(5):1325-32. doi: 10.1158/1078-0432.CCR-07-4453.
PMID: 18316551BACKGROUNDWelzel G, Hofmann F, Blank E, Kraus-Tiefenbacher U, Hermann B, Sutterlin M, Wenz F. Health-related quality of life after breast-conserving surgery and intraoperative radiotherapy for breast cancer using low-kilovoltage X-rays. Ann Surg Oncol. 2010 Oct;17 Suppl 3:359-67. doi: 10.1245/s10434-010-1257-z. Epub 2010 Sep 19.
PMID: 20853059BACKGROUNDKraus-Tiefenbacher U, Blank E, Wenz F. Intraoperative radiotherapy during a second breast-conserving procedure for relapsed breast cancer after previous external beam radiotherapy. Int J Radiat Oncol Biol Phys. 2011 Jul 15;80(4):1279-80. doi: 10.1016/j.ijrobp.2011.02.038. No abstract available.
PMID: 21683889BACKGROUNDWasser K, Ruch M, Brade J, Schoeber C, Kraus-Tiefenbacher U, Schnitzer A, Engel D, Wenz F, Sutterlin M, Schoenberg SO, Buesing KA. Do structural changes in the tumour bed after intraoperative radiotherapy (IORT) of breast cancer complicate the evaluation of mammograms in a long-term follow-up? Eur J Radiol. 2012 Mar;81(3):e255-9. doi: 10.1016/j.ejrad.2011.02.016. Epub 2011 Mar 4.
PMID: 21376493BACKGROUNDBlank E, Kraus-Tiefenbacher U, Welzel G, Keller A, Bohrer M, Sutterlin M, Wenz F. Single-center long-term follow-up after intraoperative radiotherapy as a boost during breast-conserving surgery using low-kilovoltage x-rays. Ann Surg Oncol. 2010 Oct;17 Suppl 3:352-8. doi: 10.1245/s10434-010-1265-z. Epub 2010 Sep 19.
PMID: 20853058BACKGROUNDHerskind C, Wenz F. Radiobiological comparison of hypofractionated accelerated partial-breast irradiation (APBI) and single-dose intraoperative radiotherapy (IORT) with 50-kV X-rays. Strahlenther Onkol. 2010 Aug;186(8):444-51. doi: 10.1007/s00066-010-2147-9. Epub 2010 Jul 29.
PMID: 20803285BACKGROUNDWenz F, Welzel G, Blank E, Hermann B, Steil V, Sutterlin M, Kraus-Tiefenbacher U. Intraoperative radiotherapy as a boost during breast-conserving surgery using low-kilovoltage X-rays: the first 5 years of experience with a novel approach. Int J Radiat Oncol Biol Phys. 2010 Aug 1;77(5):1309-14. doi: 10.1016/j.ijrobp.2009.06.085. Epub 2010 Jan 25.
PMID: 20100643BACKGROUNDRuch M, Brade J, Schoeber C, Kraus-Tiefenbacher U, Schnitzer A, Engel D, Wenz F, Sutterlin M, Schoenberg SO, Wasser K. Long-term follow-up-findings in mammography and ultrasound after intraoperative radiotherapy (IORT) for breast cancer. Breast. 2009 Oct;18(5):327-34. doi: 10.1016/j.breast.2009.09.010.
PMID: 19909898BACKGROUNDKraus-Tiefenbacher U, Welzel G, Brade J, Hermann B, Siebenlist K, Wasser KS, Schneider FS, Sutterlin M, Wenz F. Postoperative seroma formation after intraoperative radiotherapy using low-kilovoltage X-rays given during breast-conserving surgery. Int J Radiat Oncol Biol Phys. 2010 Jul 15;77(4):1140-5. doi: 10.1016/j.ijrobp.2009.06.008. Epub 2009 Oct 14.
PMID: 19836152BACKGROUNDWenz F, Budach W, Dunst J, Feyer P, Haase W, Harms W, Sautter-Bihl ML, Sedlmayer F, Souchon R, Sauer R; DEGRO Expert Panel Breast Cancer. Accelerated partial-breast irradiation (APBI)--ready for prime time? Strahlenther Onkol. 2009 Oct;185(10):653-5. doi: 10.1007/s00066-009-8002-1. No abstract available.
PMID: 19806329BACKGROUNDWenz F, Welzel G, Keller A, Blank E, Vorodi F, Herskind C, Tome O, Sutterlin M, Kraus-Tiefenbacher U. Early initiation of external beam radiotherapy (EBRT) may increase the risk of long-term toxicity in patients undergoing intraoperative radiotherapy (IORT) as a boost for breast cancer. Breast. 2008 Dec;17(6):617-22. doi: 10.1016/j.breast.2008.05.009. Epub 2008 Jul 22.
PMID: 18650091BACKGROUNDKraus-Tiefenbacher U, Bauer L, Scheda A, Schoeber C, Schaefer J, Steil V, Wenz F. Intraoperative radiotherapy (IORT) is an option for patients with localized breast recurrences after previous external-beam radiotherapy. BMC Cancer. 2007 Sep 14;7:178. doi: 10.1186/1471-2407-7-178.
PMID: 17854511BACKGROUNDWasser K, Schoeber C, Kraus-Tiefenbacher U, Bauer L, Brade J, Teubner J, Wenz F, Neff W. Early mammographic and sonographic findings after intraoperative radiotherapy (IORT) as a boost in patients with breast cancer. Eur Radiol. 2007 Jul;17(7):1865-74. doi: 10.1007/s00330-006-0556-z. Epub 2007 Jan 20.
PMID: 17237946BACKGROUNDVaidya JS, Baum M, Tobias JS, Massarut S, Wenz F, Murphy O, Hilaris B, Houghton J, Saunders C, Corica T, Roncadin M, Kraus-Tiefenbacher U, Melchaert F, Keshtgar M, Sainsbury R, Douek M, Harrison E, Thompson A, Joseph D. Targeted intraoperative radiotherapy (TARGIT) yields very low recurrence rates when given as a boost. Int J Radiat Oncol Biol Phys. 2006 Dec 1;66(5):1335-8. doi: 10.1016/j.ijrobp.2006.07.1378. Epub 2006 Nov 2.
PMID: 17084562BACKGROUNDKraus-Tiefenbacher U, Bauer L, Scheda A, Fleckenstein K, Keller A, Herskind C, Steil V, Melchert F, Wenz F. Long-term toxicity of an intraoperative radiotherapy boost using low energy X-rays during breast-conserving surgery. Int J Radiat Oncol Biol Phys. 2006 Oct 1;66(2):377-81. doi: 10.1016/j.ijrobp.2006.05.042. Epub 2006 Aug 2.
PMID: 16887294BACKGROUNDKraus-Tiefenbacher U, Bauer L, Kehrer T, Hermann B, Melchert F, Wenz F. Intraoperative radiotherapy (IORT) as a boost in patients with early-stage breast cancer -- acute toxicity. Onkologie. 2006 Mar;29(3):77-82. doi: 10.1159/000091160. Epub 2006 Mar 3.
PMID: 16514267BACKGROUNDKraus-Tiefenbacher U, Scheda A, Steil V, Hermann B, Kehrer T, Bauer L, Melchert F, Wenz F. Intraoperative radiotherapy (IORT) for breast cancer using the Intrabeam system. Tumori. 2005 Jul-Aug;91(4):339-45. doi: 10.1177/030089160509100411.
PMID: 16277101BACKGROUNDPez M, Keller A, Welzel G, Abo-Madyan Y, Ehmann M, Tuschy B, Berlit S, Sutterlin M, Wenz F, Giordano FA, Sperk E. Long-term outcome after intraoperative radiotherapy as a boost in breast cancer. Strahlenther Onkol. 2020 Apr;196(4):349-355. doi: 10.1007/s00066-019-01525-7. Epub 2019 Oct 22.
PMID: 31641788BACKGROUNDGoerdt L, Poemsl J, Spaich S, Welzel G, Abo-Madyan Y, Ehmann M, Berlit S, Tuschy B, Sutterlin M, Wenz F, Sperk E. Longitudinal cosmetic outcome after planned IORT boost with low kV X-rays-monocentric results from the TARGIT BQR registry. Transl Cancer Res. 2023 Jul 31;12(7):1715-1726. doi: 10.21037/tcr-23-88. Epub 2023 Jun 27.
PMID: 37588731DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Limitations and Caveats
902 patients were available for any analysis. Be aware that 8 patients with both sided cancers were included. So there were 910 affected breasts in 902 patients.
Results Point of Contact
- Title
- PD Dr. med. Elena Sperk
- Organization
- Medical Faculty Mannheim, Heidelberg University
Study Officials
- PRINCIPAL INVESTIGATOR
Elena Sperk, MD
Universitätsmedizin Mannheim
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- observational
- Observational Model
- ECOLOGIC OR COMMUNITY
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Senior Consultant, Managing Director Clinical Trials Unit Mannheim Cancer Center
Study Record Dates
First Submitted
September 22, 2011
First Posted
September 23, 2011
Study Start
September 1, 2011
Primary Completion
December 31, 2020
Study Completion
December 31, 2020
Last Updated
December 12, 2025
Results First Posted
December 12, 2025
Record last verified: 2025-12