Massive study aims to decode cancer genes for better family counseling
NCT ID NCT01689584
First seen Jun 27, 2026 · Last updated Sep 02, 2026 · Updated 2 times
Summary
This study looks at genetic changes in families to figure out which ones truly increase cancer risk. Researchers will analyze DNA from 11,000 people, including those with certain gene variants and their relatives. The goal is to improve genetic counseling and help doctors decide if preventive surgeries are needed.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
-
About 11,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Jul 2012
- Expected to finish
-
Jan 2038
An estimate. End dates often move.
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 years and older
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Index cases: * A person carrying a variant of interest in a gene analyzed in a diagnostic setting by one of the laboratories within the Genetics and Cancer Group (GGC)-Unicancer network, classified as class 3, 4 or hypomorphic class 5, and selected by the national expert group for the gene concerned. * Age ≥ 18 years. * Signed written inform consent "index case" Related parties: * Any relative of an index case with cancer * Any relative without cancer related to an index case, selected by the investigators, according to family structure and degree of related compared to the index case * For class 4 and hypomorphic class 5 variants; relatives currently undergoing analysis or having already obtained a test result for the variant of interest as part of clinical care. * Age ≥ 18 years * Information and signature of the informed consent "selected relatives" Exclusion Criteria: * Minors * Persons deprived of liberty or under guardianship (including curators). * Absence of signed written inform consent
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Gene mutation-related cancer are added.
Genom att skicka in godkänner du våra Användarvillkor
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
-
The places running it
61 sites in 5 countries. The list below names each one and where it is.
-
The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
-
A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
-
CH Simone VEIL
RECRUITINGTroyes, 10003, France
-
CHD Vendée
NOT_YET_RECRUITINGLa Roche-sur-Yon, 85925, France
-
CHRU Caremeau
RECRUITINGNîmes, 30029, France
-
CHU Amiens - Hôpital Nord
RECRUITINGAmiens, 80054, France
-
CHU Arnaud de Villeneuve
RECRUITINGMontpellier, 34295, France
-
CHU Besançon
RECRUITINGBesançon, 25030, France
-
CHU Bretonneau
RECRUITINGTours, 37044, France
-
CHU Dupuytren
RECRUITINGLimoges, 87042, France
-
CHU La Milétrie
RECRUITINGPoitiers, 86021, France
-
CHU La Timone
RECRUITINGMarseille, 13385, France
-
CHU Morvan de Brest
RECRUITINGBrest, 29200, France
-
CHU Nancy - Hôpital Brabois
RECRUITINGVandœuvre-lès-Nancy, 54511, France
-
CHU Rennes - Hôpital Sud
NOT_YET_RECRUITINGRennes, 35203, France
-
CHU Saint Etienne
RECRUITINGSaint-Etienne, 42055, France
-
CHU Sud Réunion Saint-Pierre
RECRUITINGSaint-Pierre, 97410, Reunion
-
CHU de Dijon
RECRUITINGDijon, 21079, France
-
CHU de Fort de France
RECRUITINGFort-de-France, 97261, Martinique
-
CHU de Grenoble
RECRUITINGGrenoble, 38043, France
-
CHU de Pointe à Pitre
RECRUITINGPointe-à-Pitre, 97110, Guadeloupe
-
CHU de Reims
RECRUITINGReims, 51092, France
-
CHU de Rouen
RECRUITINGRouen, 76031, France
-
CLCC Paul Strauss
RECRUITINGStrasbourg, 67033, France
-
Centre Alexis Vautrin
WITHDRAWNVandœuvre-lès-Nancy, 54511, France
-
Centre Antoine Lacassagne
RECRUITINGNice, 06189, France
-
Centre Catherine de Sienne
RECRUITINGNantes, 44202, France
-
Centre Eugène Marquis
RECRUITINGRennes, 35042, France
-
Centre François Baclesse
RECRUITINGCaen, 14076, France
-
Centre Hospitalier Georges Renon
RECRUITINGNiort, 79021, France
-
Centre Hospitalier Hôtel Dieu
RECRUITINGChambéry, 73011, France
-
Centre Hospitalier Intercommunal Poissy -Saint Germain-en-Laye
NOT_YET_RECRUITINGPoissy, 78303, France
-
Centre Hospitalier Jacques Coeur
RECRUITINGBourges, 18020, France
-
Centre Hospitalier Territorial Gaston Bourret
NOT_YET_RECRUITINGNoumea, 98849, New Caledonia
-
Centre Hospitalier d'Angoulème
RECRUITINGAngoulême, 16959, France
-
Centre Hospitalier de Bastia
NOT_YET_RECRUITINGBastia, Corsica, 20604, France
-
Centre Hospitalier de Valence
RECRUITINGValence, 26953, France
-
Centre Jean Perrin
RECRUITINGClermont-Ferrand, 63011, France
-
Centre Léon Bérard
RECRUITINGLyon, 69373, France
-
Centre Oscar Lambret
RECRUITINGLille, 59000, France
-
Chru Lille
RECRUITINGLille, 59037, France
-
Groupe Hospitalier La Rochelle-Ré-Aunis
RECRUITINGLa Rochelle, 17019, France
-
Groupe Hospitalier Pellegrin
RECRUITINGBordeaux, 33076, France
-
Groupe Hospitalier Pitié-Salpêtrière
RECRUITINGParis, 75013, France
-
Gustave Roussy
RECRUITINGVillejuif, 94805, France
-
HEGP
RECRUITINGParis, 75908, France
-
Hopital de Hautepierre - Hôpital Universitaire
RECRUITINGStrasbourg, 67200, France
-
Hospices Civils de Lyon
RECRUITINGLyon, 69229, France
-
Hôpital Civil de Colmar
NOT_YET_RECRUITINGColmar, 68024, France
-
Hôpital Flaubert
RECRUITINGLe Havre, 76083, France
-
Hôpital Saint-Antoine
RECRUITINGParis, 75012, France
-
Hôpital Saint-Louis
RECRUITINGParis, 75475, France
-
Hôpital Tenon
RECRUITINGParis, 75020, France
-
Hôpital de la Source
RECRUITINGOrléans, 45067, France
-
ICC Courlancy
RECRUITINGReims, 51100, France
-
ICO - Centre Paul Papin
RECRUITINGAngers, 49933, France
-
ICO - Centre René Gauducheau
RECRUITINGSaint-Herblain, 44804, France
-
Institut Bergonié
RECRUITINGBordeaux, 33076, France
-
Institut Claudius Regaud - IUCT - Oncopole
RECRUITINGToulouse, 31059, France
-
Institut Curie - Paris site
RECRUITINGParis, Île-de-France Region, 75005, France
-
Institut Curie - Saint-Cloud site
RECRUITINGSaint-Cloud, Haut de Seine, 92210, France
-
Institut Jean Godinot
RECRUITINGReims, 51100, France
-
Institut Paoli Calmettes
RECRUITINGMarseille, 13009, France
-
Institut Sainte-Catherine
RECRUITINGAvignon, 84918, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Could a phone app nudge people to exercise and slow Parkinson's before symptoms appear?
- Inherited genes may hold key to lung cancer risk
- Can a nudge in your chart unlock Life-Saving genetic clues?
- A Million-Person quest to predict disease before it begins
- Gene mutation may amplify cognitive risks of brain stimulation in Parkinson's
- Could your surroundings trigger a hidden genetic risk?