TESTIS: A Case-control Study to Assess the Association Between Environmental, Domestic and Occupational Exposures and the Risk of Testicular Germ Cell Tumor
Study Details
Study Description
Brief Summary
The incidence of testicular germ cell tumors, the most common cancer in men aged 15 to 45 years, has doubled in France in 30 years. Reasons remain unclear but a role of environmental factors, especially during critical periods of development, is strongly suspected. Reliable data on environmental exposure during this critical period are sparse.The discordant findings and the limitations of available studies underline the importance to conduct studies with sufficient statistical power to detect risk due to exposures during critical windows of vulnerability.
We conduct a multicentric case-control study to assess this association. Cases and controls will be enrolled during a 18-month period. They will be interviewed by professional telephone interviewers about their occupational and residential history and about their domestic exposure to pesticides and other nuisances.
An optional biological study to assess genetic polymorphisms known to be associated with testicular cancer will be proposed to every cases and controls.
Mothers (or close relative) of cases and controls will also be contacted (with son's agreement). If they agree to participate, they will also be interviewed about antenatal and early life exposure of their sons to pesticides and other nuisances.
Cases will be matched up with 2 controls (one of each group) both on age (+/- 2 years) and on recruiting center.
Condition or Disease | Intervention/Treatment | Phase |
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Detailed Description
Environmental exposure to pesticides will be assessed from subject's residential history, using a Geographic Information System.
Occupational exposure to pesticides and other nuisances will be assessed by an industrial hygienist who will be in charge to encode all subjects and mothers' occupations.
Domestic exposure to pesticides will be assessed from type, target and frequency of domestic pesticide use.
Based on these 3 sources of exposure, a score of exposition will be calculated for each case and each control.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
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Cases: testicular cancer patients
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Other: Phone interview and blood test
Subjects will be interviewed about environmental, domestic and occupational exposures during several periods of life Two blood samples will be collected at enrollment to study genetic polymorphisms
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Group A controls Sperm donors and husbands of women with fertility disorders All controls must have a normal spermogram |
Other: Phone interview and blood test
Subjects will be interviewed about environmental, domestic and occupational exposures during several periods of life Two blood samples will be collected at enrollment to study genetic polymorphisms
|
Group B controls Husbands of women with a pathological pregnancy |
Other: Phone interview and blood test
Subjects will be interviewed about environmental, domestic and occupational exposures during several periods of life Two blood samples will be collected at enrollment to study genetic polymorphisms
|
Outcome Measures
Primary Outcome Measures
- Assess the association between pesticide exposure during Antenatal and Early Postnatal Periods and the risk of testicular cancer during adulthood [at the end of enrollment (18 months)]
Occupational, environmental and domestic exposures to pesticides and other nuisances will be assessed.
Secondary Outcome Measures
- Assess the association between a combined exposure to pesticides and the risk of testicular cancer during adulthood [at the end of enrollment (18 months)]
The association will be assessed during antenatal, postnatal early life and later life (adolescence and adulthood). Occupational, environmental and domestic exposures to pesticides and other nuisances will be assessed.
- Analyse polymorphisms known to be associated with testicular cancer risk to explore gene-environment interactions [one year after the end of enrollment]
Polymorphisms involved in organochlorine metabolism pathways will also be assessed. Biological study
Eligibility Criteria
Criteria
Inclusion Criteria:
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Men aged between 18 and 44 years old
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Born in metropolitan France
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Able to understand, read and write French
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Without any psychiatric and severe cognitive disorder
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Willingness to participate to the study
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Who has signed and dated an inform consent form
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Affiliated to a health care system
Exclusion Criteria:
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Who has a legal guardian
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History of testicular germ cell tumor or cryptorchidism (only for controls)
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
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1 | CHRU Jean Minjoz | Besançon | France | 25030 | |
2 | CHU Jean Verdier | Bondy | France | 93140 | |
3 | Maternité CHU Pellegrin | Bordeaux | France | 33076 | |
4 | Hôpital Femme Mère Enfant | Bron | France | 69677 | |
5 | CHU de Caen | Caen | France | 14033 | |
6 | CHU Estaing | Clermont-Ferrand | France | 63003 | |
7 | CHU Dijon | Dijon | France | 21079 | |
8 | CHU de Grenoble - Hôpital Couple Enfants | Grenoble | France | 38043 | |
9 | CHRU Lille - Hôpital Calmette | Lille | France | 59037 | |
10 | Centre Léon Bérard | Lyon | France | 69008 | |
11 | CHU La Conception | Marseille | France | 13385 | |
12 | Hôpital Arnaud de Villeneuve | Montpellier | France | 34295 | |
13 | Maternité Université Régionale | Nancy | France | 74213 | |
14 | CHU de Nice - Hôpital l'Archet | Nice | France | 06202 | |
15 | Hôpital Cochin | Paris | France | 75014 | |
16 | Hôpital Tenon | Paris | France | 75020 | |
17 | Hôpital Maison Blanche | Reims | France | 51092 | |
18 | CHU de Rennes - Hôpital Sud | Rennes | France | 35200 | |
19 | CHU Charles Nicolle | Rouen | France | 76031 | |
20 | Centre Médico-Chirurgical Obstétrique | Schiltigheim | France | 67303 | |
21 | Hôpital Paule de Viguier | Toulouse | France | 31059 | |
22 | CHU Bretonneau | Tours | France | 37000 |
Sponsors and Collaborators
- Centre Leon Berard
- National Cancer Institute, France
- Institut National de la Santé Et de la Recherche Médicale, France
Investigators
- Principal Investigator: Béatrice FERVERS, MD, Centre Leon Berard
- Study Director: Joachim SCHÜZ, PhD, International Agency for Research on Cancer
Study Documents (Full-Text)
None provided.More Information
Publications
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- TESTIS
- ET14-004
- 140184B-12