Clinical trial · Observational
A Case-control Study to Assess the Association Between Environmental, Domestic and Occupational Exposures and the Risk of Testicular Germ Cell Tumor
A Multicentric Case-control Study to Assess the Association Between Environmental, Domestic and Occupational Exposures During Antenatal and Early Postnatal Periods and the Risk to Develop a Testicular Germ Cell Tumor During Adulthood
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
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.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Testicular Germ Cell Tumor | Testicular Germ Cell Tumor | ONTOLOGY_EXACT | 0.90 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Phone interview and blood test | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (3)
- label
- Cases: testicular cancer patients
- interventionNames
- Other: Phone interview and blood test
- label
- Group A controls
- description
- Sperm donors and husbands of women with fertility disorders All controls must have a normal spermogram
- interventionNames
- Other: Phone interview and blood test
- label
- Group B controls
- description
- Husbands of women with a pathological pregnancy
- interventionNames
- Other: Phone interview and blood test
Primary outcomes (1)
- measure
Eligibility
Eligibility (as posted)
- Sex
- Male
- Minimum age
- 18 Years
- Maximum age
- 44 Years
Show eligibility criteria text
Inclusion Criteria: * Men aged between 18 and 44 years old * Born in metropolitan France * Able to understand, read and write French * Without any psychiatric and severe cognitive disorder * Willingness to participate to the study * Who has signed and dated an inform consent form * Affiliated to a health care system Exclusion Criteria: * Who has a legal guardian * History of testicular germ cell tumor or cryptorchidism (only for controls)
References
Publications (44)
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- BACKGROUNDBray F, Richiardi L, Ekbom A, Forman D, Pukkala E, Cuninkova M, Moller H. Do testicular seminoma and nonseminoma share the same etiology? Evidence from an age-period-cohort analysis of incidence trends in eight European countries. Cancer Epidemiol Biomarkers Prev. 2006 Apr;15(4):652-8. doi: 10.1158/1055-9965.EPI-05-0565. PMID 16614105
- BACKGROUNDDalgaard MD, Weinhold N, Edsgard D, Silver JD, Pers TH, Nielsen JE, Jorgensen N, Juul A, Gerds TA, Giwercman A, Giwercman YL, Cohn-Cedermark G, Virtanen HE, Toppari J, Daugaard G, Jensen TS, Brunak S, Rajpert-De Meyts E, Skakkebaek NE, Leffers H, Gupta R. A genome-wide association study of men with symptoms of testicular dysgenesis syndrome and its network biology interpretation. J Med Genet. 2012 Jan;49(1):58-65. doi: 10.1136/jmedgenet-2011-100174. Epub 2011 Dec 3. PMID 22140272
- BACKGROUNDKanetsky PA, Mitra N, Vardhanabhuti S, Li M, Vaughn DJ, Letrero R, Ciosek SL, Doody DR, Smith LM, Weaver J, Albano A, Chen C, Starr JR, Rader DJ, Godwin AK, Reilly MP, Hakonarson H, Schwartz SM, Nathanson KL. Common variation in KITLG and at 5q31.3 predisposes to testicular germ cell cancer. Nat Genet. 2009 Jul;41(7):811-5. doi: 10.1038/ng.393. Epub 2009 May 31. PMID 19483682
- BACKGROUNDKratz CP, Han SS, Rosenberg PS, Berndt SI, Burdett L, Yeager M, Korde LA, Mai PL, Pfeiffer R, Greene MH. Variants in or near KITLG, BAK1, DMRT1, and TERT-CLPTM1L predispose to familial testicular germ cell tumour. J Med Genet. 2011 Jul;48(7):473-6. doi: 10.1136/jmedgenet-2011-100001. Epub 2011 May 26.