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| The PRIME Breast Cancer Trial: Postoperative Radiotherapy in Minimum-Risk Elderly |
| Source of record | UK Trials |
| ISRCTN | ISRCTN14817328 |
| Date ISRCTN assigned | 19/08/2002 |
| Local reference number(s) | HTA 96/03/01 |
| Public title | The PRIME Breast Cancer Trial: Postoperative Radiotherapy in Minimum-Risk Elderly |
| Scientific title | |
| Acronym | PRIME I |
| Disease/condition/study domain | Breast cancer |
| Study hypothesis | To assess whether the omission of post-operative radiotherapy in women with low risk axillary node negative breast cancer (T0-2) treated by breast conservation with wide local excision and endocrine therapy: 1. Improves quality of life 2. Is more cost-effective |
| Design/methodology | Randomised controlled trial |
| Research ethics review | Added as of 23/08/2007: Multicentre Research Ethics Committee (MREC) approval was granted by the Scotland Committee on 15 October 1998. |
| Countries of trial | United Kingdom |
| Participants - inclusion criteria | 1. Age of 65 years or more, receiving adjuvant endocrine therapy 2. Medically suitable to attend for all treatments and follow ups 3. Histologically confirmed unilateral breast cancer of Tumour, Metastasis, Node (TMN) stages T0-2 4. No axillary node involvement on histological assessment 5. Had breast conserving surgery with complete excision on histological assessment 6. Able and willing to give informed consent |
| Participants - exclusion criteria | 1. Past history of pure in situ carcinoma of either breast or previous or concurrent malignancy within the past five years other than non-melanomatous skin cancer or carcinoma in situ of cervix 2. Grade III cancer with lymphatic/vascular invasion (because of higher risk of local recurrence) |
| Patient information material | |
| Anticipated start date | 01/01/1999 |
| Anticipated end date | 30/11/2005 |
| Status of trial | Completed |
| Target number of participants | 255 randomised, additional 100 in parallel self-selected cohort |
| Interventions | Please note that, as of 10 January 2008, the anticipated start and end dates of this trial have been updated from 1 September 1999 and 31 December 2003 to 1 January 1999 and 30 November 2005, respectively. Interventions: Patients treated by conservation surgery and adjuvant endocrine therapy will be randomised to receive or not to receive breast irradiation See details of PRIME II trial on http://www.controlled-trials.com/ISRCTN95889329 |
| Primary outcome measure(s) | 1. Quality of life assessed by: i. EORTC QLQ-C30 and QLQ-BR23 ii. Philadelphia Geriatric Center Morale Scale iii. EuroQol 2. Anxiety and depression assessed by the Hospital Anxiety and Depression Scale 3. Cost-effectiveness |
| Secondary outcome measure(s) | 1. Loco-regional and distant recurrence rate 2. Functional status assessed by Clackmannan and Barthel scales 3. Acute and late morbidity assessed by the RTOG/EORTC SOMA scale 4. Cosmesis assessed by the Harris scale and the Van Limbergen scale |
| Trial website | http://homepages.ed.ac.uk/prime/prime.html |
| Publications | Results: http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=17669280 |
| Sources of funding | NIHR Health Technology Assessment Programme - HTA (UK) |
| Sponsor name | Department of Health (UK) |
| Sponsor details | Quarry House Quarry Hill Leeds United Kingdom LS2 7UE |
| Sponsor email | Sheila.Greener@doh.gsi.gov.uk |
| Sponsor website | http://www.dh.gov.uk/en/index.htm |
| Contact name | Dr Linda Williams |
| Contact details | PRIME Administrator Medical Statistics Unit Medical School Teviot Place Edinburgh United Kingdom EH8 9AG |
| Contact telephone | +44 (0)131 651 1631 |
| Contact fax | +44 (0)131 651 1631 |
| Contact email | linda.williams@ed.ac.uk |
| More information | For more up-to-date information please go to the ISRCTN link below. |
| Link to record in ISRCTN Register | ISRCTN14817328 |
| Date last extracted from ISRCTN register | 17/04/2008 |
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