Submission date
06/04/2000
Registration date
06/04/2000
Last edited
25/10/2022
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Cancer
Retrospectively registered
Protocol added
? SAP not yet added
Results added
? Raw data not yet added
Study completed

Plain English Summary

Not provided at time of registration

Study website

Contact information

Type

Scientific

Contact name

Mr Matthew Sydes

ORCID ID

Contact details

MRC Clinical Trials Unit
Cancer Division
222 Euston Road
London
NW1 2DA
United Kingdom

Additional identifiers

EudraCT/CTIS number

IRAS number

ClinicalTrials.gov number

Protocol/serial number

RT01

Study information

Scientific title

High dose therapy in localised cancer of the prostate using conformal radiotherapy techniques

Acronym

Study hypothesis

To compare standard 64 Gy dose of conformal radiotherapy (CRT) with high dose 74 Gy CRT

Ethics approval(s)

Not provided at time of registration

Study design

Randomised controlled trial

Primary study design

Interventional

Secondary study design

Randomised controlled trial

Study setting(s)

Hospital

Study type

Treatment

Patient information sheet

Not available in web format, please use the contact details to request a patient information sheet

Condition

Cancer

Intervention

1. Standard 64 Gy dose of conformal radiotherapy (CRT)
2. The other group receives high dose 74 Gy CRT

Intervention type

Other

Primary outcome measure

Local tumour control, incidence of biochemical failure, metastases, survival, side effects of radiation, quality of life and health economic resources

Secondary outcome measures

Not provided at time of registration

Overall study start date

05/01/1998

Overall study end date

31/12/2001

Reason abandoned (if study stopped)

Eligibility

Participant inclusion criteria

1. Cancer of the prostate T1b-T3a, N0, M0
2. Prostate-Specific Antigen (PSA) less than 50 ng/ml
3. World Health Organisation (WHO) 0 or 1
4. No prior radiotherapy or prostatectomy
5. No previous androgen deprivation
6. No hip prosthesis or other condition precluding radiotherapy
7. Written informed consent

Participant type(s)

Patient

Age group

Other

Sex

Male

Target number of participants

843

Participant exclusion criteria

Does not meet inclusion criteria

Recruitment start date

05/01/1998

Recruitment end date

31/12/2001

Locations

Countries of recruitment

England, United Kingdom

Study participating centre

MRC Clinical Trials Unit
London
NW1 2DA
United Kingdom

Sponsor information

Organisation

Medical Research Council (MRC) (UK)

Sponsor details

20 Park Crescent
London
W1B 1AL
United Kingdom
+44 (0)20 7636 5422
clinical.trial@headoffice.mrc.ac.uk

Sponsor type

Research council

Website

http://www.mrc.ac.uk

Funders

Funder type

Research council

Funder name

Medical Research Council (MRC) (UK)

Alternative name(s)

UK Medical Research Council, MRC

Funding Body Type

government organisation

Funding Body Subtype

National government

Location

United Kingdom

Results and Publications

Publication and dissemination plan

Not provided at time of registration

Intention to publish date

Individual participant data (IPD) sharing plan

Not provided at time of registration

IPD sharing plan summary

Not provided at time of registration

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Plain English results No Yes
Protocol article protocol 01/08/2004 Yes No
Other publications questionnaire 01/11/2004 Yes No
Protocol article protocol 01/07/2006 Yes No
Results article results on erectile dysfunction and radiotherapy 01/09/2006 Yes No
Results article results on quality of life 01/02/2007 Yes No
Results article results on early toxicity of escalated Vs standard dose conformal radiotherapy 01/04/2007 Yes No
Results article results on escalated Vs standard dose conformal radiotherapy 01/06/2007 Yes No
Results article results on correlations between spatial distribution of the dose to the rectal wall and late rectal toxicity 07/11/2009 Yes No
Results article results on dose-volume constraints to reduce rectal side effects 01/03/2010 Yes No
Results article results 01/04/2010 Yes No
Results article modellin late rectal toxicities results 07/04/2011 Yes No
Results article results 01/11/2011 Yes No
Other publications prospective analysis study 01/01/2012 Yes No
Results article additional rectal toxicity endpoint results 01/03/2012 Yes No
Results article results 01/06/2012 Yes No
Results article long-term results 01/04/2014 Yes No
Other publications secondary data analysis 01/08/2017 Yes No
Results article two-years postradiotherapy biopsies results 01/06/2018 15/03/2019 Yes No

Additional files

Editorial Notes

25/10/2022: Internal review. 15/03/2019: Publication reference added. 26/10/2018: Cancer Research UK lay results summary link added to Results (plain English) 30/03/2017: Publication reference added.