Comparison of Intra-operative Radiotherapy With Post-operative Radiotherapy for Women With Early Breast Cancer (TARGIT)
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ClinicalTrials.gov Identifier: NCT00983684 |
Recruitment Status :
Completed
First Posted : September 24, 2009
Last Update Posted : December 5, 2014
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Condition or disease | Intervention/treatment | Phase |
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Invasive Breast Cancer Breast Cancer | Device: Intrabeam Radiation: Post-operative radiotherapy | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 3451 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | TARGIT: A Randomised Controlled Trial to Compare Targeted Intra-operative Radiotherapy With Conventional Post-operative Radiotherapy After Conservative Breast Surgery for Women With Early Stage Breast Cancer |
Study Start Date : | March 2000 |
Actual Primary Completion Date : | June 2012 |
Actual Study Completion Date : | June 2012 |
Arm | Intervention/treatment |
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Experimental: Intra-operative radiotherapy
A single fraction of radiotherapy given intra-operatively and targeted to the tissues at the highest risk of local recurrence.
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Device: Intrabeam
A dose of 20 Gy at the surface of the applicator or 6 Gy at 1cm (in water) is prescribed by the radiation oncologist and delivered to the breast tissue. This takes approximately 30 minutes, depending on the size of the applicator.
Other Name: IORT, targeted intra-operative radiotherapy, TARGIT |
Active Comparator: Post-operative radiotherapy
Standard post-operative radiotherapy.
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Radiation: Post-operative radiotherapy
All patients randomised to receive conventional radiotherapy within this trial should be treated in accordance with a pre-specified policy. Dosage should only be applied to the breast; axillary, supra-clavicular and internal mammary nodes should not generally be irradiated by discrete fields.
Other Name: EBRT |
- Local relapse within the treated breast. [ Time Frame: 3, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 72, 84, 96, 108, 120 months ]
- Site of relapse within the breast [ Time Frame: 3, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 72, 84, 96, 108, 120 months ]
- Relapse-free survival and overall survival [ Time Frame: 3, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 72, 84, 96, 108, 120 months ]
- Local toxicity/morbidity [ Time Frame: 3, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 72, 84, 96, 108, 120 months ]
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Ages Eligible for Study: | 45 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Inclusion criteria
- Age 45 years or older
- Operable invasive breast cancer (T1 and small T2, N0-1, M0) confirmed by cytological or histological examination
- Suitable for breast conserving surgery
- Previously diagnosed and treated contralateral breast cancer may be entered but will be randomised to a separate stratum.
- Available for regular follow-up for at least ten years.
Note: Individual centres may wish to restrict entry to a more exactly defined subset of patients, in which case, only patients with these characteristics may be entered by that particular centre. For example, centres may decide at outset to recruit only women over 50 or even over 65 years of age. Such policies must be pre-defined in writing and approved by the International Steering Committee.
Exclusion criteria
- More than one obvious cancer in the same breast as diagnosed by clinical examination, mammography or ultrasonography.
- Bilateral breast cancer at the time of diagnosis.
- Ipsilateral breast had a previous cancer and/or irradiation.
- Patients known to have BRCA2 gene mutations, but testing for gene mutations is not required
- Lobular cancer or Extensive intraductal Component (EIC =>25% of the tumour is intraductal) on core biopsy or initial pathology (if performed)
- Patients undergoing primary medical treatment (hormones or chemotherapy) as initial treatment with neoadjuvant intent of reducing tumour size should be excluded; those given short duration (up to 4 weeks) systemic therapy can be included.
- Patients presenting with gross nodal disease, considered to be clinically malignant or proven cytologically or by scanning. In general, 4 or more positive nodes or extranodal spread are not suitable for Targit alone and should receive EBRT as well. However, individual centres may decide that anything more than micrometastasis should receive EBRT.
- Patients with any severe concomitant disease that may limit their life expectancy.
- Previous history of malignant disease does not preclude entry if the expectation of relapse-free survival at 10 years is 90% or greater.
- Any factor included as exclusion criterion in the local centre's Treatment Policy. This is particularly relevant to patients entered into the post pathology stratum.
- No more than 30 days can have elapsed between last breast cancer surgery (not axillary) and entry into the trial for patients in the post-pathology stratification.
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00983684
United Kingdom | |
Clinical Trials Group | |
London, United Kingdom, N19 5LW |
Principal Investigator: | Jeffrey S Tobias, MD FRCP FRCR | University College London Hospitals |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | University College, London |
ClinicalTrials.gov Identifier: | NCT00983684 |
Other Study ID Numbers: |
ISRCTN 34086741 ISRCTN 34086741 MREC No. 99/0307 UKCRN ID 7265 |
First Posted: | September 24, 2009 Key Record Dates |
Last Update Posted: | December 5, 2014 |
Last Verified: | December 2014 |
Neoplasms by Site Breast Neoplasms Breast Diseases Breast Cancer |
Cancer of Breast Cancer of the Breast Carcinoma |
Breast Neoplasms Neoplasms by Site Neoplasms Breast Diseases Skin Diseases |