Colorectal Cancer Screening in Familiar-Risk Population: Immunochemical Fecal Occult Blood Testing Versus Colonoscopy

NCT ID: NCT01075633

Last Updated: 2014-01-08

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

1501 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-01-31

Study Completion Date

2013-06-30

Brief Summary

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This study is aimed: 1) to compare the accuracy of colonoscopy vs immunochemical faecal occult blood test (iFOBT) and colonoscopy when positive for colorectal cancer (CRC) screening in familiar-risk population and; 2) to determine the complications associated with both strategies.

Detailed Description

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This is an observational, controlled, randomized phase III study to evaluate the effectiveness of the iFOBT for detecting advanced neoplasia (polyps \> 1cm in size, high grade dysplasia or with villous component, or CRC) in first degree relatives of patients with CRC.

Index cases will be interviewed to obtain the family tree and their first-degree relatives will be contacted to invite them to participate in the study. Index-cases, will be randomized into one of the following two groups in order that their relatives receive the same screening strategy: A) colonoscopy; or B) annual iFOBT test (OC-Sensor®, cut off ≥50 ng/ml) and colonoscopy if positive. To determine the sensitivity and specificity of the iFOBT strategy, individuals randomized to group B will be invited to undergo a complete colonoscopy following two years follow-up. In addition, epidemiological data, personal history of disease, family history of neoplasm, characteristics of lesions at colonoscopy and histological diagnosis will be recorded.

To test the hypothesis of equivalence between the iFOBT test and colonoscopy for detecting advanced colorectal neoplasm, it was considered a probability of participation, detection capability and prevalence of advanced adenomas for iFOBT of 0.750, 0.565 and 0.077, respectively, being the product of them 0.033. In the case of colonoscopy, the likelihood of participation, detection capability and prevalence of advanced adenomas in this population at risk are 0,500, 0.965 and 0.077, respectively, and their product 0.037. Accordingly, for a Type I error (alpha) of 5%, a power of 80% and a maximum deviation between the probabilities of the two tests of 0.03 the number of subjects to be included per arm is 744

Conditions

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Colorectal Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Fecal occult blood testing

Immunochemical fecal occult blood test Annual (3 rounds), without diet restriction, 1 stool sample. Positive cut-off level: 50 ng/ml.

Group Type EXPERIMENTAL

Immunochemical fecal occult blood test And colonoscopy if test is positive

Intervention Type PROCEDURE

Annual (3 rounds), without diet restriction, 1 stool sample. Positive cut-off level: 50 ng/ml.

Colonoscopy

Colonoscopy with sedation.

Group Type ACTIVE_COMPARATOR

Colonoscopy with sedation

Intervention Type PROCEDURE

Colonoscopy with sedation

Interventions

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Immunochemical fecal occult blood test And colonoscopy if test is positive

Annual (3 rounds), without diet restriction, 1 stool sample. Positive cut-off level: 50 ng/ml.

Intervention Type PROCEDURE

Colonoscopy with sedation

Colonoscopy with sedation

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Men and women aged 40-75 years, first degree relatives of patients with non-syndromic CRC

Exclusion Criteria

* Personal history of CRC, colorectal adenoma, colorectal polyposis, or inflammatory bowel disease
Minimum Eligible Age

40 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Enrique Quintero

OTHER

Sponsor Role lead

Responsible Party

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Enrique Quintero

PhD

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Enrique Quintero, MD

Role: STUDY_DIRECTOR

Fundación Canaria para la Investigación Biomédica Rafael Clavijo

Locations

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Hospital Universitario de Canarias

Santa Cruz de Tenerife, Spain, Spain

Site Status

Countries

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Spain

References

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Gimeno-Garcia AZ, Quintero E, Nicolas-Perez D, Hernandez-Guerra M, Parra-Blanco A, Jimenez-Sosa A. Screening for familial colorectal cancer with a sensitive immunochemical fecal occult blood test: a pilot study. Eur J Gastroenterol Hepatol. 2009 Sep;21(9):1062-7. doi: 10.1097/MEG.0b013e3283293797.

Reference Type RESULT
PMID: 19307978 (View on PubMed)

Quintero E, Carrillo M, Gimeno-Garcia AZ, Hernandez-Guerra M, Nicolas-Perez D, Alonso-Abreu I, Diez-Fuentes ML, Abraira V. Equivalency of fecal immunochemical tests and colonoscopy in familial colorectal cancer screening. Gastroenterology. 2014 Nov;147(5):1021-30.e1; quiz e16-7. doi: 10.1053/j.gastro.2014.08.004. Epub 2014 Aug 13.

Reference Type DERIVED
PMID: 25127679 (View on PubMed)

Other Identifiers

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COLONFAM

Identifier Type: -

Identifier Source: org_study_id

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