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Evaluation of the Potential Association Between 5α-reductase Inhibitors Prescription and Occurrence of High Grade Prostate Cancers (CANARI)

R

Rennes University Hospital

Status

Completed

Conditions

Benign Prostate Hyperplasia

Treatments

Other: Prostate biopsy, prostatectomy or prostate resection

Study type

Observational

Funder types

Other

Identifiers

NCT02873117
35RC13_8911_CANARI

Details and patient eligibility

About

This is a multicenter, cohort study based on medico-administrative data from pathology laboratory registries and drug reimbursement files (CNAM-TS).

Full description

Identification process will be retrospective and prospective using medico-administrative data from all pathology laboratory registries in Brittany and drug reimbursement files for patients living in Brittany, France.

An extraction from drug reimbursement files of French health reimbursement agency (CNAM-TS) for patients living in Brittany, France will be performed on the following request: reimbursement of any pharmacologic treatment patented for symptomatic benign hyperplasia between January 1st 2010 and December 31st 2011, and no diagnosis of prostate cancer before December 31st, 2011. This extraction has to be done in 2013 to catch data as far as 2010 and will encompass health reimbursement for prostate examination. A second extraction will be done in 2014 to complete data from the end of 2013.

Secondly, identification of patients will use pathology laboratory registries, based on code for prostate examination (prostate biopsy, prostatectomy or prostate resection); involvement of all pathology laboratories in Brittany ensures completeness of collection of prostate examination results for the study period (January 1st, 2012 to December 31st, 2013). A list of patients will be recorded at each pathology laboratory level with date of birth, date of prostate examination, type of exam, results with Gleason score along with a study number on electronic file.

By January 2014, link to reimbursement file (that is data on all reimbursement within 3 years: 2009 to 2011 previously extracted from the French health reimbursement agency) will be done thanks to three key variables (date of birth, date of prostate examination, identification of pathology laboratory) and all data from all centers will set up into one global file.

This design will allow evaluation of association between 5-ARI and either high grade prostate cancer or low grade prostate as opposite association could be observed. In addition this design focuses on the target population, i.e. patients with symptomatic benign prostate hyperplasia, identified through reimbursement of drugs patented for symptomatic benign prostate hyperplasia.

Enrollment

5,154 patients

Sex

Male

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Men with a reimbursement of any pharmacologic treatment patented for symptomatic benign prostate hyperplasia between January 1st 2010 and December 31st 2011, affiliated to French health system and living in Brittany, France.

Exclusion criteria

  • Prostate cancer with a date of diagnosis before December 31st, 2011, patients enrolled in surveillance program with scheduled prostate biopsy, patients not affiliated to French health system.

Trial design

5,154 participants in 2 patient groups

5 alpha reductase inhibitor
Treatment:
Other: Prostate biopsy, prostatectomy or prostate resection
Any other drug for benign prostate hyperplasia
Treatment:
Other: Prostate biopsy, prostatectomy or prostate resection

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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