3D conformal Radiation therapy for Accelerated Partial breast IrraDiation (RAPID) trial

ISRCTN ISRCTN62704822
DOI https://doi.org/10.1186/ISRCTN62704822
ClinicalTrials.gov number NCT00282035
Secondary identifying numbers MCT-78567
Submission date
24/06/2008
Registration date
24/06/2008
Last edited
08/06/2022
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Cancer
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English Summary

Not provided at time of registration

Contact information

Dr Timothy Joseph Whelan
Scientific

Juravinski Cancer Centre
Supportive Cancer Care Research Unit
699 Concession Street, Rm. 4-204
Hamilton, Ontario
L8V 5C2
Canada

Phone +1 905 387 9711 ext. 64501
Email tim.whelan@hrcc.on.ca

Study information

Study designMulticentre two-arm non-inferiority randomised parallel trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details to request a patient information sheet
Scientific title3D conformal Radiation therapy for Accelerated Partial breast IrraDiation (RAPID) trial
Study acronymRAPID
Study hypothesisAccelerated partial breast irradiation (APBI) is equivalent to whole breast irradiation.
Ethics approval(s)Research Ethics Board of McMaster University, 23/12/2005, ref: 05-440. McMaster REB approved protocol amendment 1 with a revised ICF on 20/05/2008.
ConditionBreast cancer therapy
Intervention1. Control arm: whole breast irradiation
2. Experimental arm: accelerated partial breast irradiation using 3D conformal therapy
Intervention typeProcedure/Surgery
Primary outcome measureTimepoints added 18/11/2008:
Ipsilateral breast or axillary recurrence, measured at any point throughout the trial.
Secondary outcome measuresTimepoints added 18/11/2008:
1. Cosmetic outcome, measured at 1, 3, 5 and 10 years
2. Radiation toxicity, acute at 2 weeks post radiation, late at 1, 3, 5, 10 years
3. Disease free survival, measured time from randomisation to time of documented recurrent disease
4. Event free survival, measured from time from randomisation to time of documented cancer or death
5. Overall survival, measured from time from randomisation to death
6. Quality of life, measured at 1, 3, 5, 10 years
7. Cost effectiveness, measured from a sample of 20% of trial population (treatment resources)
Overall study start date01/01/2006
Overall study end date31/01/2014

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexFemale
Target number of participants2128
Participant inclusion criteriaModifications as of 18/11/2008: point three of the inclusion criteria has been updated as follows:
3. Negative axillary node involvement including micrometastasis less than or equal to 0.2 mm or positive cells only identified by immunohistochemistry (IHC) as determined by:
3.1. Sentinel node biopsy
3.2. Axillary node dissection
3.3. Clinical exam for patients with DCIS only

Initial information at time of registration:
1. Female patients, 40 years and older, with a new histological diagnosis of ductal carcinoma in situ (DCIS) or invasive carcinoma of the breast with no evidence of metastatic disease
2. Treated by breast-conserving surgery (BCS) with microscopically clear resection margins (or no residual disease on re-excision) and considered a candidate for breast irradiation
3. Negative axillary node involvement determined by sentinel node biopsy, axillary node dissection or clinical exam in women greater than 70 years of age
Participant exclusion criteriaModifications as of 18/11/2008: the exclusion criteria have been updated as follows:
1. Aged less than 40 years
2. A known deleterious mutation in BRCA 1 and/or BRCA 2
3. Tumour size greater than 3 cm in greatest diameter on pathological examination (including both invasive and non-invasive components)
4. Tumour histology limited to lobular carcinoma only
5. Bilateral invasive or non-invasive malignancy of the breast (synchronous or metachronous)
6. More than one primary tumour in different quadrants of the same breast
7. Previous irradiation to the ipsilateral breast that would preclude WBI
8. Presence of an ipsilateral breast implant or pacemaker
9. Serious non-malignant disease (e.g. cardiovascular, pulmonary, systemic lupus erythematosus (SLE), scleroderma) which would preclude definitive radiation treatment
10. Oestrogen receptor status (ER) not known
11. For patients not treated with adjuvant chemotherapy: unable to commence radiation therapy within 12 weeks of the last surgical procedure on the breast
12. For patients treated with adjuvant chemotherapy: unable to commence within 8 weeks of the last dose of chemotherapy
13. History of cancer:
13.1. Patients with another active malignancy or malignancy treated less than 5 years prior to randomisation are excluded with the exception of prior non-invasive contralateral breast cancer
13.2. Patients with a prior diagnosis of invasive breast cancer in either breast are excluded regardless of disease free interval
13.3. Patients with prior or concurrent basal cell or squamous cell skin cancers are eligible for the trial
14. Currently pregnant or lactating
15. Psychiatric or addictive disorders which would preclude obtaining informed consent or adherence to protocol
16. Geographic inaccessibility for follow-up
17. Inability to localise surgical cavity on CT (i.e., no evidence of surgical clips or seroma)
18. Inability to adequately plan the patient for the experimental technique. The Dose Evaluation Volume (DEV) should be less than or equal to 25% of the total breast volume, or less than or equal to 35% whilst meeting other criteria mentioned in full in the protocol.

Initial information at time of registration:
1. Any patient with known breast cancer genes (BRCA 1 or 2)
2. Aged less than 40 years
3. Tumour greater than 3 cm in greatest diameter on pathological examination
4. Tumour histology involving lobular carcinoma
5. Inability to localise surgical cavity on computed tomography (CT) (i.e., no evidence of surgical clips or seroma)
6. Inability to adequately plan the patient for the experimental technique; seroma should be less than 25% of the total breast volume
7. Bilateral invasive malignancy of the breast (synchronous or metachronous)
8. More than one primary tumour in different quadrants of the same breast
9. Previous or concomitant malignancies except non-melanoma skin cancer, carcinoma in situ of the cervix, contralateral non-invasive breast cancer, and invasive carcinomas of cervix, endometrium, colon, and thyroid treated 5 years prior to study entry
10. Currently pregnant or lactating
11. Serious non-malignant disease (e.g. cardiovascular, pulmonary, systemic lupus erythematosus [SLE], scleroderma) which preclude definitive radiation treatment
12. Psychiatric or addictive disorders which would preclude obtaining informed consent or adherence to protocol
13. Geographic inaccessibility for follow-up
14. Status for adjuvant systemic therapy not determined
15. Unable to commence radiation within 12 weeks of the last surgical procedure on the breast where the patient is not treated with adjuvant chemotherapy, or unable to commence within 8 weeks of the last dose of chemotherapy where the patient is treated with adjuvant chemotherapy
Recruitment start date01/01/2006
Recruitment end date31/01/2014

Locations

Countries of recruitment

  • Canada

Study participating centre

Juravinski Cancer Centre
Hamilton, Ontario
L8V 5C2
Canada

Sponsor information

McMaster University (Canada)
University/education

1200 Main Street West
Hamilton, Ontario
L8N 3Z5
Canada

Website http://www.mcmaster.ca/
ROR logo "ROR" https://ror.org/02fa3aq29

Funders

Funder type

Research organisation

Canadian Institutes of Health Research (CIHR) (Canada) - http://www.cihr-irsc.gc.ca (ref: MCT-78567)
Government organisation / National government
Alternative name(s)
Instituts de Recherche en Santé du Canada, Canadian Institutes of Health Research (CIHR), CIHR_IRSC, Canadian Institutes of Health Research | Ottawa ON, CIHR, IRSC
Location
Canada

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing planNot provided at time of registration

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Interim results article interim results 10/11/2013 14/02/2019 Yes No
Results article 14/12/2019 08/06/2022 Yes No

Editorial Notes

08/06/2022: Publication reference added.
14/02/2019: Publication reference added.
18/11/2008: This record has been updated due to a protocol amendment that took place earlier in the year (19/03/2008). Details of all changes to the trial information can be found in the relevant section, under the update date of 17/11/2008.