5 results on '"Brichard, Benoit"'
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2. High level gamma and neutron irradiation of silica optical fibers in CEA OSIRIS nuclear reactor
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Cheymol, Guy, Long, Herve, Villard, Jean Francois, and Brichard, Benoit
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Nuclear reactors -- Analysis ,Gamma rays -- Analysis ,Business ,Electronics ,Electronics and electrical industries - Abstract
In the final objective of elaborating an optical sensor of dimensional change in a nuclear testing reactor, we present extreme high level irradiation tests, up to 1.3 1020 [n.sub.fast]/[cm.sup.2] and 16GGy, conducted on high purity silica and hollow core photonic bandgap (PBG) fibers. These tests are performed in the OSIRIS reactor at CEA Saclay. We measure continuously Radiation Induced Absorption (RIA), at 3 optical wavelengths: 980 nm, 1064 nm and 1310 nm. The evolution with the time of the spectral dependency over larger wavelength range is also reported. As well as reporting RIA up to higher dose than presented before, we demonstrate here the excellent superiority of hollow core PBG fibers over their conventional counterparts in term of radiation resistance up to over [10.sup.20] [n.sub.fast]/[cm.sup.2] and 10GGy. We also report some Optical Time Domain Reflectometry (OTDR) measurements that probe the irradiated parts of the fibers and show a back scattering peak which appears, widens spatially then duplicates. We provide an interpretation based on the change of silica when it turns to metamict phase. Index Terms--Fiber, irradiation, optical sensor, photonics fiber, pure silica.
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- 2008
3. Comparison between point defect generation by [gamma]-rays in bulk and fibre samples of high purity amorphous Si[O.sub.2]
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Brichard, Benoit, Agnello, Simonpietro, Nuccio, Laura, and Dusseau, Laurent
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Gamma rays -- Analysis ,Silicon -- Analysis ,Business ,Electronics ,Electronics and electrical industries - Abstract
We compare the E', H(I) and Si-ODC(II) contents in a low-OH high-purity a-Si[O.sub.2] both in bulk and fibre forms. The investigation includes the effects of hydrogen loading of the fibre. We found that the H(I) centre appears during irradiation and that its concentration tends to increase with the dose in fibers impregnated with molecular hydrogen. For the hydrogen-treated fibers, no experimental repeatability could be found in the measurements of E' and Si-ODC(II) although an acceptable agreement was still found in non-hydrogenated samples. This result suggests a possible complex reaction mechanisms under gamma radiation when the glass has a hydrogen excess. Index Terms--Fibre, gamma, hydrogen, point defects, silica.
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- 2008
4. Dependence of the POR and NBOHC defects as function of the dose in hydrogen-treated and untreated KU1 glass fibers
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Brichard, Benoit, Fernandez, Alberto Fernandez, Ooms, Hans, Borgermans, P., and Berghmans, F.
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Nuclear research -- Research ,Business ,Electronics ,Electronics and electrical industries - Abstract
We evaluated the performances of the hydrogen-loading technique to reduce the radiation-induced absorption in optical fibers in the visible part of the spectrum. A reduction factor as large as one order of magnitude can be obtained in high dose-rate regime. Based on a spectral deconvolution method, we showed that hydrogen preferentially interacts with NBOHC defects while the number of POR defects is not affected. Index Terms--Attenuation, hardening, hydrogen, optical absorption, fiber, radiation.
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- 2003
5. The effects of aminosalicylates or thiopurines on the risk of colorectal cancer in inflammatory bowel disease
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STEPHANE NANCEY, Francois MION, Nathalie Ganne-Carrié, ANTOINE CORTOT, Laurent Siproudhis, Bernard FLOURIE, ROBERT BENAMOUZIG, Isabelle Rosa, Jean-Ariel BRONSTEIN, Matthieu Allez, Frederic Gottrand, Guillaume Savoye, Gerard Thiefin, Xavier Roblin, Fabrice Carrat, Jean-Pierre Hugot, Bertrand Napoleon, Pierre DESREUMAUX, Laurent Peyrin-biroulet, Laurent Michaud, Christos CHRISTIDIS, Stéphane Nahon, CHU Saint-Antoine [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Institut Pierre Louis d'Epidémiologie et de Santé Publique (iPLESP), Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), Université Pierre et Marie Curie - Paris 6 (UPMC), Icahn School of Medicine at Mount Sinai [New York] (MSSM), Service d'Hépato-gastro-entérologie [CHRU Nancy], Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Nutrition-Génétique et Exposition aux Risques Environnementaux (NGERE), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL), CESAME Study Group: Jean-Frédéric Colombel, Jacques Cosnes, Jean-Pierre Gendre, Marc Lémann, Xavier Hébuterne, Antoine Cortot, Yoram Bouhnik, David Laharie, Jean Louis Dupas, Bernard Flourié, Eric Lerebours, Laurent Beaugerie, Laurent Peyrin-Biroulet, Matthieu Allez, Bernard Messing, Guillaume Cadiot, Philippe Marteau, Jean-Claude Soulé, Jean-Marc Gornet, Michel Veyrac, Bernard Duclos, Philippe Beau, Arnaud Bourreille, Philippe Baumer, Franck Carbonnel, Denis Heresbach, Etienne-Henry Metman, Christian Florent, Antoine Blain, Jean-Luc Faucheron, Bruno Bonaz, Xavier Roblin, Pascal Potier, Christian Boehm, Thierry Kurtz, Hervé Lamouliatte, Isabelle Nion-Larmurier, Jean-Charles Delchier, Stanislas Chaussade, Anne Marie Weiss, Jean Pierre Cézard, Laurent Siproudhis, Stéphane Nahon, Daniel Sondag, Raymond Jian, Jean-Christophe Souquet, Pierre Bord, Benoit Coffin, Hélène D'almagne, Patrick Delasalle, Régis Fournier, Maryan Cavicchi, Marc-Henry Souffran, Luc Vandromme, Claire Guedon, Philippe Seksik, Christophe Michiels, Pascal Renard, Patrice Rogier, Sylvie Gouilloud, André Rotenberg, Guillaume Savoye, Alain Thevenin, Laurent Mallet, Franck Brazier, Francois Jean, Anne-Marie Justum, Jean-Paul Latrive, Jean-Luc Gerbal, Robert Pierrugues, Gérard Chardonnal, Laurence Picon, Nicole Reix, Nicolas Drouët D'aubigny, Hervé Uettwiller, Anne Courillon Mallet, Alain Palacci, Raoul-Jacques Bensaude, Pierre Bonniaud, Olivier Empinet, Andrée Nisard, Alain Rudelli, Bernard Tubiana, Philippe Capelle, Alain Dabadie, Daniel Evard, Pierre-Emile Julien, Magali Picon-Coste, Stéphane Schneider, Denis Goldfain, Jérôme Bellanger, Jean-Pierre Blondelot, Philippe Lamy, Sébastien Lemière, Jean Francois Mockly, Benoit Pellat, Gilles Gatineau-Sailliant, Bernard Nalet, Stéphane Nancey, Daniel Kusielewicz, Patrick Loison, Jean-Michel Popot, François Merite, Jean-Pol Roux, Pauline Afchain, Alain Blanquart, Laurent Heyries, Marc Reville, Dominique Viron, Frank Zerbib, Christophe Claviere, Didier Léostic, Philippe Pouderoux, Alain Moitry, Hervé Hagège, Jean-Pierre Hugot, Benoit Humeau, Jean-Marc Sabate, Emmanuel Lederman, Dominique Lescut, Fabrice Luneau, Bruno Mesnard, Lionel Smadja, Michel Steinberg, Marc Brun, Gilles Macaigne, Jean Luc Marchal, Stéphane Ollivier, Dominique Ouvry, Jean Paul Perche, Serge Rambaud, Robert Benamouzig, Jean Louis Cazenave, Jean-Charles Coffin, Martine Blazquez, Marion Lagneau, Bruno Person, Christian Wittersheim, Bertrand Napoleon, Israël Cemachovic, Franck Iglicki, Mehran Howaizi, Eric Leprince, Bruno Leurent, Thierry Morin, Riad Darsouni, Alain Attar, Philippe Baron, Anne Breton, Jean Marie Gillion, Jean-Marc Guemene, Claude Jouffre, Xavier Moreau, Pierre Claude, André Quinton, Vered Abitbol, Jean Michel Brichard, Benoit Desaint, Martin Bouygues, Philippe Chatrenet, Marcelo Salmeron, Jean Silvie, Bruno Waldner, Yves Emery, Armand Moraillon, Daniel Kunkel, Philippe Dubois, Patrick Faure, Christian L'Hirondel, Jean-Eric Labérenne, Pierre Moreau, Adelino Pereira, Genevieve Plihon, Thierry Wolff, Yann Ngo, Arnaud Boruchowicz, Béatrice Jost, Jean Pierre Gotlib, Odile Danne, Philippe Raoux, Marie-José Ramond-Bouhali, Andre Baetz, Bruno Veyres, Christian Chapoutot, Gérard Le Dréau, Jérôme Filippi, Jean Mudry, Philippe Kalt, Sophie Minault, Pierre-André Bounin, Tony Andréani, Jacky Charneau, Didier Reijasse, Jean-Louis Bolze, Jean Luc Thaunat, Christian Le Couteulx, Chantal Maurage, Robert Bader, Philippe Codjovi, Jean-Luc Migairou, Alain Morali, Philippe Rey, Bruno Richard Molard, Richard Petit, Stéphane Koch, Philippe Cassan, Jean-Paul Deschamps, Christine Meicler Caby, Jean-Jacques Meurisse, Philippe Prades, James Boulant, Michel Diacono, Jean-Marie Monsch, J-François Dupuy, Guy Bellaiche, Martine Guegan, Jean-Marc Comte, Jean-Michel Cayla, Francois Le Tallec, Franck Meurisse, Philippe Desurmont, Laurent Roget, Philippe Bouyssou, Bruno Le Gall, Francis Bloch, Loic Larvol, Monique Jullien, Jacques Moreau, Laurent Rebouissoux, Bruno Decroix, Nina Dib, Paul Dieterling, Frédéric Lenormand, Emmanuel Lagier, Philippe Fallourd, Serge Charpin, Hugues Bertrand, Gilles Bommelaer, Daniel Battistelli, Bernard Delon, Lionel Dentant, Etienne Dorval, Jérôme Dumortier, Eric Gaye-Bareyt, Yves Gerosa, Chantal Guez, Martine Mornet, Paul Benfredj, René Piperaud, Noel Stremsdoerfer, Eric Verdier, Alain Grinholtz, Georges Barjonet, Antoine See, Ramuntxo Arotçarena, Anne Baudet, Joel Broyer, Antoine Charachon, Hugues Blondon, Pascal Mouton, Hubert Claudez, Jacques Labat-Labourdette, Jacques Haëm, Patrick Estable, Patrick Levy, Alain Rosenbaum, Yvon Balavoine, Alain Blanchi, Pierre Coutarel, Nadege Delaperriere, Michel Dervichian, Francis Marois, Jacques Seroka, Laurent Michaud, Olivier Leroy, Emmanuel Meyran, Bernard Poilroux, Abdallah Tensaouti, Thierry Paupard, Dominique Agard, Sandrine Beaulieu, Kader Benfiguig, Patrice Capony, Jean Cottereau, Pierre Desreumaux, Jean-Michel Dramard, Mathieu Duché, Patrick Mamou, Isabelle Etienney, Gilles D'Abrigeon, Béatrice Godeberge, Gilbert Tucat, Jean Puech, Jean Roger, Marie-George Lapalus, Paul Bauret, Philippe Houcke, Béatrice Pornin, Bruno Champigneulle, Laurent Cuissard, Xavier-Richard David, Frédéric Lombard, Antoine Granveau, Jean-François Hamon, Olivier Ink, Fabienne Blondel, Alain Namias, Didier Pillon, Antoine Reignier, Gilles Tordjman, Christos Christidis, Simon Zirabe, Michel Audebert, Eric Bion, Claude Bourgeaux, Cécile Poupardin, Philippe Deplaix, Gérard Fratini, Thierry Garnier, Gerard Desseaux, Hervé Magois, Sylvain Lochum, Jean-Francois Vergier, Patrick Texereau, Christel Rat, Francoise Uzzan, Alain Vidal, Nadia Vinante, Bernard Watrin, Cécile Wurtz-Huckert, Bruno Barre, Dominique Chaslin Ferbus, Jean-François Contou, Dominique Coupier, Benoit David, Dany Gargot, Denis Huc, Remy Barraya, Roger Faroux, Jean-Luc Fourgeaud, Hubert Grimprel, Jean Auroux, Jean-François Rey, Jean Pierre Arnoux, Franck Lentini, Ludovic Tardy, Olivier Mouterde, Claire Spyckerelle, Bruno Vacherot, Alain Weissman, Michel Alpérine, Anne Le Sidaner, Pierre-Olivier Bonnet-Eymard, Jean Louis Colson, Daniel Pellet, Bernard Deltombe, André Edouard, Henri Maechel, Jean-Claude Jaillet, Julien Genes, Anne-Marie Leveque, Damien Lucidarme, Philippe Maignan, Nathalie Mallier Gehrke, Jérôme Sanchez, Frank Tusseau, Alban Casteur, Jacques Bottlaender, Denis Constantini, Thierry Coton, Philippe Even, Francois Druart, François Riot, Jean-Michel Gauchet, Geneviève Hecquet, Gerard Henry, Patrick Hochain, Jean Pierre Arpurt, Abdelkrim Medini, Michele Dartois-Hoguin, Henri Moindrot, Philippe Emery, Pierre Periac, Annie Prunier, Pascal Renkes, Christine Tawil-Longreen, Edmond Vincent, René-Louis Vitte, Christian Loeb, Alain Carwana, Didier Barbereau, Philippe Bohon, Céline Corrieri-Baizeau, Daniel Sahy, Philippe Derreveaux, Dominique David, François Desbazeille, Patrick Fontenelle, Jean Luc Slama, Yvon Le Mercier, Michel Certin, Jean Jacques Reig, Isabelle Rosa, Thierry Helbert, Patrick Tounian, Luc Turner, Valéry Perot, Luc Aillet, Arnaud Pauwels, Philippe Barré, Bernard Nury, Claude Cazalbou, Franck Devulder, Alain Durget, Jeanne Dubroca, Daniele Gaudy, Michel Greff, Christian Jacques, Jocelyne Lafarge, Gilles Kezachian, Ronan Le Gall, Alex Pariente, Tiphaine Pinault, Michaël Bismuth, Nathalie Boyer-Darrigrand, Philippe Bretagnolle, Stephane Carpentier, Franck Cholet, Christian Theodore, Rémi Combes, Francois Combet, Christophe Delanoe, Stéphanie De Montigny, Denis Soudan, Olivier Fourdan, Gilles Minier, Jeanne Languepin, Jean Roche, Jean-Louis Ginies, Olivier Nouel, Philippe Petitgars, Edith Robin, Romain Hamm, Jean François Roques, Sylvie Roussin-Bretagne, Agnès Sénéjoux, Sophie Muron, Nicolas Bardoux, Philippe Berthelemy, Patrick Madonia, Bertrand Carles, Catherine Reynier, Emmanuel Cuillerier, Innocenti Dadamessi, Jacques Danis, Bernard Debenes, Nathalie Dubuc-Rey, Gilles Lesur, Pauline Jouet, Catherine Lenaerts, Marc Garret, Alexandra Mineur, Bernard Chabry, Francois Pigot, Valérie Rossi, Ruth Tennenbaum, Julien Salloum, Maurice Hakim Slaoui, Stéphane Mathieu, Valérie Papapietro, Sheila Viola, Alexis Bezet, Claude Altman, Alain Audan, Jean Calabet, Claude Masliah, Laurent Fayemendy, Marc Duruy, Benoit Gauffeny, Ludovic Helie, Kamran Imani, Raoul Janin-Manificat, Jean-Paul Galmiche, Anne Kerlirzin, Laurent Bedenne, Christophe Locher, Gilles Michaudel, Gilles Missonnier, Michel Rinaldi-Dovio, Jean-Michel Rouillon, Stéphane Ecuer, Arnaud Patenotte, Jean Ariel Bronstein, Vincent Baty, Michel Bougnol, Pierre Bourbon, Philippe Cerbelaud, Annick Chavaillon, Franck Boiffin, Béatrice Dubern, Isabelle Duval De Laguierce, Fernand Greco, Florence Bouhot, Philippe Godeberge, Brigitte Grandmaison, Pascal Gros, Guy Targues, Jacques Corallo, Jean Boutin, Jacques Guillan, Jean Pierre Barbieux, Isabelle Loury Lariviere, Henri Le Genissel, Henri Leroi, Marc Bellaiche, Marie-Claire Elie-Legrand, Michel Dapoigny, Philippe Denoyel, Patrice Pienkowski, Philippe Pouche, Marc Michel Saurfelt, Jean Marie Thorel, Thierry Piche, Bruno Travers, Patrick Tuvignon, Marc Zalcberg, Guy Boulay, Christophe Zamora, Joelle Samama, Etienne Ricotie, Patrice De Fleury, Francois Maille, Jean Louis Mougenel, Olivier Gonot, Jean Philippe Menat, Mehdi Kaassis, Francoise Lang, Laurent Abramowitz, Nathalie Ganne, Olivier Pecriaux, Jacques-Arnaud Seyrig, Iradj Sobhani, Thierry Parmentier, Antoine Van Nieuwenhuyse, Francois-Xavier Weber, André Glibert, Catherine Bineau, Bernard Canet, Catherine Collin, Frederic Cordet, David David Parlier, Dominique Carre, Annie Peytier, Francine Fein, Jerome Barouk, Jacques Dewannieux, Johannes Hartwig, Jean-Louis Jouve, Bertrand Laplane, Gilles Lascar, Christophe Legrand, Pierre Le Marchand, Marie Pierre Liebaert, Michele Terdiman-Pire, Naceur Abdelli, Dominique Neveu, Philippe De La Lande, Patrick De Saint Louvent, Cécile Pelatan, Agnès Petit, Martial Richecoeur, Frederic Texier, Jean Brice Cazals, Bertrand Tissot, Christian Mourrut, Marie Doubremelle, Marc Foltz, Florence Gautier-Jubé, Jacques Martin, Elie Khouri, Thierry Lons, Martine Carlier-Bandu, Jean-Luc Monnin, Hervé Roche, Bernard Willemin, Xavier Houard, Abdelaziz Fatisse, Michèle Algard, Kamel Arab, Isabelle Borel, Cécile Lagarrigue, Ariane Chryssostalis, Dominique Boutroux, Jean-Pierre Dupuychaffray, Saïd Khaddari, François Mion, Thierry Puy-Montbrun, Jean-Philippe Girardet, Bruno Gury, Alain Landau, Monique Le Bihan, Sandrine Nieuviarts, Jean Ollivry, Philippe Le Bourgeois, Marie-Astrid Piquet, Michel-Pierre Escartin, Remi Systchenko, Franck Venezia, Michel Wantiez, Xavier Lesage, Elie Zrihen, Philippe Aygalenq, Barbara Dieumegard, Bernard Savarieau, Philippe Bulois, Stéphane Cattan, Jean-Lucien Diez, Olivier Fauchot, Eric Durous, Valérie Gazut, Christian Guilleminet, Jean-Marc Bories, Isabelle Joly Le Floch, Jean-Paul Vove, Stéphane Lelouch, Philippe Lévy, François Lhopital, Norma Marcato, Marianne Mozer-Bernardeau, Jean-Baptiste Nousbaum, Philippe Cattan, Alain Plane, Jean-Michel Raymond, Gilles Roseau, Gerald Rozental, Christian Boustière, Corinne Bonny, Mariepierre Cordier-Collet, Laurent Courat, Bernard Croguennec, Karine Delaunay-Tardy, Damien Labarriere, Edmond Geagea, Frédéric Gottrand, Eve Gelsi, Gerard Thiefin, Eric Wohlschies, Mathieu Miguet, Philippe Ponsot, Jean Suzanne, Yves Teste, Anne-Claire Dupont Gossart, Jean-Luc Baroni, Benabdallah Benchaa, Georges Blanc, Bernard Maroy, Philippe Bonjean, Catherine Brézault, Laure Bridoux-Henno, Claude Chayette, Dominique Auby, Robert Fiorucci, Georges Galindo, Gilles Hubert, Gilles Bonneau, Evelyne Marinier, Michele Pouteau, Afchine Alamdari, Bruno Delbende, Patrick Chamouard, Pascale D'Abravanel, Hélène Dall'Osto, Sophie Hervé, Jean Lefebvre, Damien Levoir, Philippe Lillo, Michel Rouch, Muriel Mathonnet, Mercédes De Lustrac, François-Jean Ramond, Bernard Roupret, Alain Soupison, Djamila Ait-Ouadda, Yves Barbaza, Brice Bayart, Thomas Bottini, Franck Cochet, Isabelle Goderel, Orélien Maury, Léa Mbonyingo, Vanessa Pourtau, Elise Rasoanarivo, Laure Romain-Huttin, Anne-Violaine Sallé, Jonathan Trang, Hakeem Admane, Elodie Drouet, Service de santé publique [CHU Saint-Antoine], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Saint-Antoine [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU), Sorbonne Université (SU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Service de Gastroentérologie et nutrition [CHU Saint-Antoine], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), and Herrada, Anthony
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Adult ,Male ,medicine.medical_specialty ,Colorectal cancer ,Inflammatory bowel disease ,Gastroenterology ,Primary sclerosing cholangitis ,03 medical and health sciences ,0302 clinical medicine ,Risk Factors ,Internal medicine ,medicine ,Humans ,Pharmacology (medical) ,Prospective Studies ,Prospective cohort study ,Mesalamine ,Aged ,Retrospective Studies ,Hepatology ,business.industry ,Anti-Inflammatory Agents, Non-Steroidal ,Case-control study ,Cancer ,Retrospective cohort study ,[SDV.MHEP.HEG]Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology ,Middle Aged ,medicine.disease ,Colitis ,Inflammatory Bowel Diseases ,[SDV.MHEP.HEG] Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology ,digestive system diseases ,3. Good health ,Aminosalicylic Acids ,Treatment Outcome ,[SDV.SP.PHARMA] Life Sciences [q-bio]/Pharmaceutical sciences/Pharmacology ,030220 oncology & carcinogenesis ,Case-Control Studies ,Cohort ,Multivariate Analysis ,[SDV.SP.PHARMA]Life Sciences [q-bio]/Pharmaceutical sciences/Pharmacology ,030211 gastroenterology & hepatology ,Female ,business ,Colorectal Neoplasms - Abstract
SummaryBackground Whether aminosalicylates or thiopurines reduce the risk of colorectal cancer (CRC) in inflammatory bowel (IBD) disease is controversial. Aim To assess simultaneously the chemopreventive effect of aminosalicylates or thiopurines in a case–control study nested in the CESAME observational cohort that enrolled consecutive patients with IBD between May 2004 and June 2005. Patients were followed up to December 2007. Methods Study population comprised 144 case patients who developed CRC from the diagnosis of IBD (65 and 79 cases diagnosed, respectively, before and from 2004, starting year of the prospective observational period of CESAME) and 286 controls matched for gender, age, IBD subtype and year of diagnosis, and cumulative extent of colitis. Exposure to aminosalicylates or thiopurines was defined by an exposure to the treatment during the year of the diagnosis of cancer. The propensity of receiving 5-ASA and thiopurines was quantified by a composite score taking into account patient and IBD characteristics. The role of aminosalicylates or thiopurines was assessed by multivariate analysis. Propensity scores and the history of primary sclerosing cholangitis were entered into the multivariate model for adjustment. Results By multivariate analysis adjusted for propensity, a significant protective effect of exposure to drugs during the year of cancer was found for aminosalicylates (OR = 0.587, 95% CI: 0.367–0.937, P = 0.0257), but not for thiopurines (OR = 0.762, 95% CI: 0.432–1.343, P = 0.3468). Conclusion In a case–control study nested in the CESAME cohort, a significant decrease in the risk of colorectal cancer in IBD was associated with exposure to aminosalicylates, not to thiopurines.
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- 2017
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