- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT02898870
Occupational Exposure to Pesticides in the Prognosis of Lymphomas (ProLyPhy)
Study of the Role of Occupational Exposure to Pesticides in the Prognosis of Lymphomas Diffuse Large B Cell in
Studieoversikt
Status
Forhold
Detaljert beskrivelse
The link between the products of synthetic chemistry and cancer is at the heart of much research. Recent work has identified the use of plant protection agents by farmers as a risk factor for developing non-Hodgkin lymphoma, including diffuse large B cell lymphoma (DLBCL) is the most common histology. Different biological models were used to understand the role of pesticides in lymphomagenesis. To summarize, most pesticides act at the cellular and molecular level, on different signaling pathways. After metabolized by cytochrome P450, these compounds generally become pro-oxidants. The increase in reactive oxygen species rate (SAR) causes the activation of signaling pathways involved in cell proliferation and survival. But deregulation of oxidative status does not in itself justify the specificity of the impact of pesticides on specific pathologies. Several agents have a genotoxic effect, others induce the activation of signaling pathways by binding to transcription factors and others have immunomodulating properties.
Among these four mechanisms by which pesticides are involved in lymphomagenesis, two are also associated with resistance to chemotherapy. Thus, genotoxic agents leads the implementation process of DNA repair, used to repair genotoxic lesions induced by chemotherapeutic agents and evade apoptosis. On the other hand, to survive a high level of ROS, the tumor cell raises the level of antioxidant defenses, maintaining redox homeostasis and preventing oxidative stress. However, a high production of antioxidants constitutes a barrier to the effectiveness of anti-tumor agents which are effective in the generation of oxidative stress.
Studietype
Registrering (Faktiske)
Kontakter og plasseringer
Studiesteder
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Montpellier, Frankrike, 34295
- LAMURE
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Prøvetakingsmetode
Studiepopulasjon
Beskrivelse
Inclusion Criteria:
Adults treated for diffuse large B-cell lymphoma:
- Diagnosed between 2010 and 2015
- Having received immuno-chemotherapy R-CHOP
- Supported in the health facilities of the Languedoc-Rousillon
Exclusion Criteria:
NA
Studieplan
Hvordan er studiet utformet?
Designdetaljer
Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
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pesticide exposure
Tidsramme: 1 day
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The exposure measurement will be carried out using a self-administered questionnaire sent to patients on their professional activities.
If farming a second questionnaire will further characterize the exposure to pesticides
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1 day
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Samarbeidspartnere og etterforskere
Sponsor
Etterforskere
- Hovedetterforsker: Sylvain LAMURE, University Hospital, Montpellier
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (Faktiske)
Studiet fullført (Forventet)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- 9668
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
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Grupo Español de Linfomas y Transplante Autólogo...Janssen-Cilag, S.A.FullførtDiffus, stor B-celle, lymfomSpania
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University of Southern CaliforniaFullførtDiffus, stor B-celle, lymfomForente stater
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Neumedicines Inc.UkjentLymfom, stor B-celle, diffus (DLBCL)
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Genor Biopharma Co., Ltd.RekrutteringCLL | B Cell NHLAustralia
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Fondazione Italiana Linfomi ONLUSAvsluttetDiffus, stor B-celle, lymfomItalia