Awareness on Cancer in Persons With Intellectual Disabilities (ONCODEFI)

January 30, 2017 updated by: Centre Hospitalier Universitaire de Nīmes

Context People with intellectual disability (PWIDs), nearly 1,300,000 adults and children in France, develop as many cancers as persons in the general population. However, their tumors are different by their particular organ distribution, the age of onset, the biological background (2,000 genetic conditions are associated with an intellectual disability) and above all the unusual clinical presentation. These cancers are not well known from physicians, carers and families, and often discovered late. A recent review of the literature shows many inequalities in the prevention, monitoring, screening, diagnosis and treatment of cancer in these patients. Currently, no population study on clinical features and stage at diagnosis of cancer in PWIDs is available. No interventional research study has been conducted on this subject.

Hypothesis Investigators hypothesize that inequalities in cancer care of PWIDs do not result from a direct link between intellectual disability and cancer, but are related to diagnosis difficulties of these tumors which are not well known, and to difficulties of communication with these patients who do not express easily their symptoms, particularly pain.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The study will first evaluate characteristics of all cancers diagnosed in PWIDs in the department of Hérault (20,000 PWIDs) during the four-year period preceding the intervention. Investigators will cross the data of social network of PWIDs (CREAI Languedoc Roussillon) which covers nearly 90% of PWIDs living in this area, and the Hérault Cancer Registry. Second, during a two-year information program, physicians, mainly general practitioners, carers in and outside institutions, associations and families will be informed on cancer frequency, on cancer particularities and on cancer detection in PWIDs by the mean of documents, mails and e-mails, meetings and a website providing all available useful information on cancer in PWIDs. Third, characteristics of tumors observed during the three years after the beginning of the intervention will be statistically compared to the corresponding tumors before the intervention. This will be done especially for colon cancer and breast cancer using the TNM stage and the used therapeutic means. On the basis of the first part of the study, if a significant difference on stage at diagnosis and treatment is observed compared to the general population, other tumors will also be included in the comparison, if relevant.

Study Type

Observational

Enrollment (Actual)

80

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • France
      • Montpellier Cedex 5, France, 34093
        • IURC - Laboratoire de Biostatistique d'Epidémiologie et de Recherche Clinique

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

The study population is all adults with intellectual disabilities residing in the Hérault department of France who have been diagnosed with cancer

Description

Inclusion Criteria:

  • Persons with intellectual disabilities according to the World Health Organization definition
  • Residing in the Hérault department of France
  • Diagnosis of a malign invasive or in-situ tumor

Exclusion Criteria:

  • Refusal of study participation following provision of information (refusal by the patient, or his/her guardian, or principal caregiver)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Ecologic or Community
  • Time Perspectives: Prospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Cancer incidence among persons with intellectual disabilities
Time Frame: Change from baseline (i.e. years -4 through -1) to years 1 through 3
Change from baseline (i.e. years -4 through -1) to years 1 through 3

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Centre Hospitalier Universitaire de Nīmes

Investigators

  • Study Director: Daniel Satgé, MD, PhD, IURC - Laboratoire de Biostatistique d'Epidémiologie et de Recherche Clinique

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2013

Primary Completion (Actual)

September 1, 2016

Study Completion (Actual)

September 1, 2016

Study Registration Dates

First Submitted

September 8, 2016

First Submitted That Met QC Criteria

September 12, 2016

First Posted (Estimate)

September 13, 2016

Study Record Updates

Last Update Posted (Estimate)

January 31, 2017

Last Update Submitted That Met QC Criteria

January 30, 2017

Last Verified

January 1, 2017

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • AO-INCA/2012/DS-01

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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