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The effects of chronic ill health and treatment with sulphasalazine on fertility amongst men and women with inflammatory bowel disease in Leicestershire

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Abstract.

The aims of the study were to ascertain whether patients have similar a fertility rate to the background population in Leicestershire and whether they have a similar rate of congenital malformations compared to the background population in Leicestershire. Over 1400 patients were invided to participate with an overall response rate of 81% after three successive mailings. The response rate was similar for both sexes and between the disease groups. The crude infertility rate for the group was 21%. The mean number of children for the whole group was 1.7 ± 1.3 but both men and women with Crohn's disease had significantly less children than would be expected, (men with Crohn's disease 1.5, women with Crohn's disease 1.2). There were 39 children (2% of overall births) with congenital abnormalities reported by patients with inflammatory bowel disease and in 29 cases the parents reported taking sulphasalazine (Table 3). Although this figure compares well with the 1.8% reported congenital abnormality rate for Leicestershire within the patient group in this study congenital malformations were significantly related to sulphasalazine use, z = 4.3, P < 0.0001. In conclusion sulphasalazine not only as causes morphological abnormalities in spermatozoa but may increase the chances of having congenitally abnormal offspring amongst men with IBD. The effects of other 5-aminosalacylic acids have yet to be studied in detail.

Résumé.

Le but de cette étude est de déterminer si les patients ont un taux de fertilité identique à celui du reste de la population du Leicestershire et s'ils développent un taux de malformations congénitales identiques à celui du reste de la population. Mille quatre cents patients ont été invités à l'étude, ce qui a permis d'obtenir un taux global de réponse de 81% après 3 envois postaux successifs du questionnaire. Le taux de réponse est analogue pour les deux sexes et les différents groupes de patients. Le taux d'infertilité brute pour le groupe de patients était de 21%. Le nombre d'enfants moyen pour l'ensemble du groupe était de 1,7 + 1,3 mais à la fois les hommes et les femmes atteints de maladie de Crohn avaient un nombre d'enfants significativement moindre que celui attendu (chez les hommes porteurs de la maladie de Crohn 1,5 et chez les femmes atteintes de la maladie de Crohn 1,2). Dans le groupe de patients atteints de maladies inflammatoires, on relève 39 enfants (2% de l'ensemble des naissances) atteints d'anomalies congénitales; chez 29 de ces derniers, les parents avaient pris de la sulfate salazine (Table 3). Bien que ces données soient analogues au taux de 1,8% d'anomalies congénitales rapportées chez l'ensemble des patients du Leicestershire, le taux d'anomalies congénitales est significativement dépendant de la prise de sulfate salazine (z = 4,3, P < 0,0001). En conclusion, la sulfate salazine entraîne des anomalies morphologiques des spermatozoïdes mais peut également augmenter le risque d'anomalies congénitales chez les descendants de patients porteurs de maladies inflammatoires de l'intestin. Les effets d'autres dérivés d'acide 5-amino-salicylique doit faire l'objet d'études détaillées.

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Accepted: 22 March 1997

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Moody, G., Probert, C., Jayanthi, V. et al. The effects of chronic ill health and treatment with sulphasalazine on fertility amongst men and women with inflammatory bowel disease in Leicestershire. Int J Colorect Dis 12, 220–224 (1997). https://doi.org/10.1007/s003840050093

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  • DOI: https://doi.org/10.1007/s003840050093

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