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IP4-CHRONOS is launched




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IP4- CHRONOS is open! CHRONOS is a phase II randomised control trial, that will review the outcomes (including oncological, functional, quality of life and cost-effectiveness) of focal therapy against those from radical therapy, in men with newly diagnosed localised clinically significant prostate cancer.

 

 

All men newly diagnosed with low-intermediate risk prostate cancer, confined to the prostate, with a life expectancy of at least 10 years will be screened for eligibility. Men must be well enough to undergo the interventions outlined in the trial prior to being enrolled.

Men will then have a choice of enrolling into CHRONOS A or CHRONOS B. CHRONOS A will randomise men to having radical whole gland treatment (radiotherapy, brachytherapy or prostatectomy), or focal therapy (HIFU or cryotherapy). CHRONOS A will answer the question, ‘is focal therapy equivalent in cancer control as radical therapy?’ CHRONOS B will randomise men to having focal therapy with or without additional neoadjuvant treatment and will answer the question: ‘can the success of focal therapy be improved by using neoadjuvant treatment?’ Randomisation will be stratified by disease characteristics.

All men will undergo intervention as they would within the NHS, however by doing so in a trial setting, we can directly compare the results of such treatments against each other. As the follow up mimics that of standard of care, the extra burden of treatment within the trial is minimal.

60 men will be recruited into both CHRONOS A and CHRONOS B (total 120) over a 1-year period, during the pilot, and if recruitment is successful the aim is to continue to a larger study assessing 2450 patients over 5 years, with a minimum follow up of 3 years. The primary outcome measures will be progression free survival in CHRONOS A, and failure free survival in CHRONOS B. The CHRONOS pilot will open in 12 UK hospital sites, aiming to open across the UK and Europe within the larger study.

CHRONOS is entirely funded by the Prostate Cancer UK charity, and available on the NIHR CRN portfolio. If you would like to join the main phase of CHRONOS as a site, please contact Miss Deepika Reddy ([email protected]) or visit our website for further information www.imperialprostate.org.uk/CHRONOS

Prof Hashim U. Ahmed (CHRONOS PI&CI)

Mr Taimur T. Shah (CHRONOS sub-investigator, Urology SpR & Research Fellow)

Miss Deepika Reddy (CHRONOS Clinical Research Fellow)

 

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